Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 10 Nov 2012 21:03:49 +0000 (22:03 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 10 Nov 2012 21:03:49 +0000 (22:03 +0100)
Pull networking fixes from David Miller:
 "Bug fixes galore, mostly in drivers as is often the case:

  1) USB gadget and cdc_eem drivers need adjustments to their frame size
     lengths in order to handle VLANs correctly.  From Ian Coolidge.

  2) TIPC and several network drivers erroneously call tasklet_disable
     before tasklet_kill, fix from Xiaotian Feng.

  3) r8169 driver needs to apply the WOL suspend quirk to more chipsets,
     fix from Cyril Brulebois.

  4) Fix multicast filters on RTL_GIGA_MAC_VER_35 r8169 chips, from
     Nathan Walp.

  5) FDB netlink dumps should use RTM_NEWNEIGH as the message type, not
     zero.  From John Fastabend.

  6) Fix smsc95xx tx checksum offload on big-endian, from Steve
     Glendinning.

  7) __inet_diag_dump() needs to repsect and report the error value
     returned from inet_diag_lock_handler() rather than ignore it.
     Otherwise if an inet diag handler is not available for a particular
     protocol, we essentially report success instead of giving an error
     indication.  Fix from Cyrill Gorcunov.

  8) When the QFQ packet scheduler sees TSO/GSO packets it does not
     handle things properly, and in fact ends up corrupting it's
     datastructures as well as mis-schedule packets.  Fix from Paolo
     Valente.

  9) Fix oopser in skb_loop_sk(), from Eric Leblond.

  10) CXGB4 passes partially uninitialized datastructures in to FW
      commands, fix from Vipul Pandya.

  11) When we send unsolicited ipv6 neighbour advertisements, we should
      send them to the link-local allnodes multicast address, as per
      RFC4861.  Fix from Hannes Frederic Sowa.

  12) There is some kind of bug in the usbnet's kevent deferral
      mechanism, but more immediately when it triggers an uncontrolled
      stream of kernel messages spam the log.  Rate limit the error log
      message triggered when this problem occurs, as sending thousands
      of error messages into the kernel log doesn't help matters at all,
      and in fact makes further diagnosis more difficult.

      From Steve Glendinning.

  13) Fix gianfar restore from hibernation, from Wang Dongsheng.

  14) The netlink message attribute sizes are wrong in the ipv6 GRE
      driver, it was using the size of ipv4 addresses instead of ipv6
      ones :-) Fix from Nicolas Dichtel."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  gre6: fix rtnl dump messages
  gianfar: ethernet vanishes after restoring from hibernation
  usbnet: ratelimit kevent may have been dropped warnings
  ipv6: send unsolicited neighbour advertisements to all-nodes
  net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs
  usb: gadget: g_ether: fix frame size check for 802.1Q
  cxgb4: Fix initialization of SGE_CONTROL register
  isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES
  cxgb4: Initialize data structures before using.
  af-packet: fix oops when socket is not present
  pkt_sched: enable QFQ to support TSO/GSO
  net: inet_diag -- Return error code if protocol handler is missed
  net: bnx2x: Fix typo in bnx2x driver
  smsc95xx: fix tx checksum offload for big endian
  rtnetlink: Use nlmsg type RTM_NEWNEIGH from dflt fdb dump
  ptp: update adjfreq callback description
  r8169: allow multicast packets on sub-8168f chipset.
  r8169: Fix WoL on RTL8168d/8111d.
  drivers/net: use tasklet_kill in device remove/close process
  tipc: do not use tasklet_disable before tasklet_kill

212 files changed:
Documentation/arm64/memory.txt
MAINTAINERS
Makefile
arch/arm/include/asm/io.h
arch/arm/include/asm/sched_clock.h
arch/arm/include/asm/vfpmacros.h
arch/arm/include/uapi/asm/hwcap.h
arch/arm/kernel/sched_clock.c
arch/arm/mm/alignment.c
arch/arm/vfp/vfpmodule.c
arch/arm/xen/enlighten.c
arch/arm64/Kconfig
arch/arm64/include/asm/elf.h
arch/arm64/include/asm/fpsimd.h
arch/arm64/include/asm/io.h
arch/arm64/include/asm/processor.h
arch/arm64/include/asm/unistd.h
arch/arm64/kernel/perf_event.c
arch/arm64/kernel/process.c
arch/arm64/kernel/smp.c
arch/arm64/mm/init.c
arch/h8300/include/asm/cache.h
arch/s390/include/asm/cio.h
arch/s390/include/asm/pgtable.h
arch/s390/kernel/sclp.S
arch/s390/lib/uaccess_pt.c
arch/s390/mm/gup.c
arch/sparc/Kconfig
arch/sparc/crypto/Makefile
arch/sparc/crypto/aes_glue.c
arch/sparc/crypto/camellia_glue.c
arch/sparc/crypto/crc32c_glue.c
arch/sparc/crypto/des_glue.c
arch/sparc/crypto/md5_glue.c
arch/sparc/crypto/sha1_glue.c
arch/sparc/crypto/sha256_glue.c
arch/sparc/crypto/sha512_glue.c
arch/sparc/include/asm/atomic_64.h
arch/sparc/include/asm/backoff.h
arch/sparc/include/asm/compat.h
arch/sparc/include/asm/processor_64.h
arch/sparc/include/asm/prom.h
arch/sparc/include/asm/thread_info_64.h
arch/sparc/include/asm/ttable.h
arch/sparc/include/uapi/asm/unistd.h
arch/sparc/kernel/entry.h
arch/sparc/kernel/leon_kernel.c
arch/sparc/kernel/perf_event.c
arch/sparc/kernel/process_64.c
arch/sparc/kernel/ptrace_64.c
arch/sparc/kernel/setup_64.c
arch/sparc/kernel/sys_sparc_64.c
arch/sparc/kernel/systbls_32.S
arch/sparc/kernel/systbls_64.S
arch/sparc/kernel/unaligned_64.c
arch/sparc/kernel/visemul.c
arch/sparc/kernel/vmlinux.lds.S
arch/sparc/kernel/winfixup.S
arch/sparc/lib/atomic_64.S
arch/sparc/lib/ksyms.c
arch/sparc/math-emu/math_64.c
arch/x86/include/asm/xen/hypercall.h
crypto/cryptd.c
drivers/acpi/video.c
drivers/base/platform.c
drivers/gpio/Kconfig
drivers/gpu/drm/drm_fops.c
drivers/gpu/drm/exynos/Kconfig
drivers/gpu/drm/exynos/exynos_drm_connector.c
drivers/gpu/drm/exynos/exynos_drm_encoder.c
drivers/gpu/drm/exynos/exynos_mixer.c
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/intel_crt.c
drivers/gpu/drm/i915/intel_overlay.c
drivers/gpu/drm/i915/intel_panel.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/i915/intel_sdvo_regs.h
drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
drivers/gpu/drm/nouveau/nouveau_connector.c
drivers/gpu/drm/radeon/atombios_crtc.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/evergreen_cs.c
drivers/gpu/drm/radeon/evergreend.h
drivers/gpu/drm/radeon/radeon_atpx_handler.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
drivers/gpu/drm/radeon/si.c
drivers/gpu/drm/radeon/sid.h
drivers/gpu/drm/udl/udl_drv.h
drivers/gpu/drm/udl/udl_fb.c
drivers/gpu/drm/udl/udl_transfer.c
drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
drivers/hid/hidraw.c
drivers/hwmon/asb100.c
drivers/hwmon/w83627ehf.c
drivers/hwmon/w83627hf.c
drivers/hwmon/w83781d.c
drivers/hwmon/w83791d.c
drivers/hwmon/w83792d.c
drivers/hwmon/w83l786ng.c
drivers/i2c/busses/i2c-mxs.c
drivers/i2c/busses/i2c-nomadik.c
drivers/i2c/busses/i2c-tegra.c
drivers/mmc/host/dw_mmc-exynos.c
drivers/mmc/host/dw_mmc-pltfm.c
drivers/mmc/host/dw_mmc-pltfm.h
drivers/mmc/host/dw_mmc.c
drivers/mmc/host/mxcmmc.c
drivers/mmc/host/omap_hsmmc.c
drivers/mmc/host/sdhci-dove.c
drivers/mmc/host/sdhci-of-esdhc.c
drivers/mmc/host/sdhci-pci.c
drivers/mmc/host/sdhci-pltfm.c
drivers/mmc/host/sdhci-s3c.c
drivers/mmc/host/sdhci.c
drivers/mmc/host/sdhci.h
drivers/mmc/host/sh_mmcif.c
drivers/pci/bus.c
drivers/pci/pci-driver.c
drivers/pci/pci-sysfs.c
drivers/pci/pci.c
drivers/pci/pci.h
drivers/pci/pcie/aer/aerdrv_core.c
drivers/pci/pcie/portdrv_core.c
drivers/pci/proc.c
drivers/pinctrl/Kconfig
drivers/pinctrl/spear/pinctrl-spear.c
drivers/pinctrl/spear/pinctrl-spear1310.c
drivers/pinctrl/spear/pinctrl-spear1340.c
drivers/pinctrl/spear/pinctrl-spear320.c
drivers/pinctrl/spear/pinctrl-spear3xx.h
drivers/s390/cio/css.h
drivers/s390/cio/device.c
drivers/s390/cio/idset.c
drivers/scsi/qlogicpti.c
drivers/thermal/exynos_thermal.c
drivers/thermal/rcar_thermal.c
drivers/virtio/virtio.c
drivers/xen/Makefile
drivers/xen/events.c
drivers/xen/fallback.c [new file with mode: 0644]
fs/cifs/cifsacl.c
fs/cifs/dir.c
fs/eventpoll.c
fs/gfs2/file.c
fs/gfs2/lops.c
fs/gfs2/quota.c
fs/gfs2/rgrp.c
fs/gfs2/super.c
fs/gfs2/trans.c
fs/nfs/dns_resolve.c
fs/nfs/inode.c
fs/nfs/internal.h
fs/nfs/mount_clnt.c
fs/nfs/namespace.c
fs/nfs/nfs4namespace.c
fs/nfs/nfs4proc.c
fs/nfs/pnfs.c
fs/nfs/super.c
fs/nfs/unlink.c
fs/notify/fanotify/fanotify.c
fs/xfs/xfs_alloc.c
fs/xfs/xfs_alloc.h
fs/xfs/xfs_alloc_btree.c
fs/xfs/xfs_bmap.c
fs/xfs/xfs_bmap.h
fs/xfs/xfs_buf_item.c
fs/xfs/xfs_fsops.c
fs/xfs/xfs_ialloc.c
fs/xfs/xfs_inode.c
fs/xfs/xfs_ioctl.c
fs/xfs/xfs_iomap.c
fs/xfs/xfs_log.c
fs/xfs/xfs_log_recover.c
include/linux/mmc/dw_mmc.h
include/linux/mmc/sdhci.h
include/linux/of_address.h
include/uapi/linux/eventpoll.h
include/xen/hvm.h
kernel/module.c
mm/vmscan.c
net/sunrpc/backchannel_rqst.c
scripts/Makefile.modinst
scripts/checkpatch.pl
sound/core/oss/mixer_oss.c
sound/core/oss/pcm_oss.c
sound/core/pcm_native.c
sound/core/sound.c
sound/core/sound_oss.c
sound/i2c/other/ak4113.c
sound/i2c/other/ak4114.c
sound/i2c/other/ak4117.c
sound/pci/es1968.c
sound/pci/hda/hda_intel.c
sound/pci/hda/patch_analog.c
sound/pci/hda/patch_cirrus.c
sound/pci/hda/patch_realtek.c
sound/pci/hda/patch_via.c
sound/pci/rme9652/hdspm.c
sound/soc/codecs/cs42l52.c
sound/soc/codecs/wm8994.c
sound/usb/endpoint.c
sound/usb/endpoint.h
sound/usb/pcm.c
tools/testing/selftests/Makefile
tools/testing/selftests/epoll/Makefile [deleted file]
tools/testing/selftests/epoll/test_epoll.c [deleted file]

index dbbdcbb..4110cca 100644 (file)
@@ -27,17 +27,17 @@ Start                       End                     Size            Use
 -----------------------------------------------------------------------
 0000000000000000       0000007fffffffff         512GB          user
 
-ffffff8000000000       ffffffbbfffcffff        ~240GB          vmalloc
+ffffff8000000000       ffffffbbfffeffff        ~240GB          vmalloc
 
-ffffffbbfffd0000       ffffffbcfffdffff          64KB          [guard page]
+ffffffbbffff0000       ffffffbbffffffff          64KB          [guard page]
 
-ffffffbbfffe0000       ffffffbcfffeffff          64KB          PCI I/O space
+ffffffbc00000000       ffffffbdffffffff           8GB          vmemmap
 
-ffffffbbffff0000       ffffffbcffffffff          64KB          [guard page]
+ffffffbe00000000       ffffffbffbbfffff          ~8GB          [guard, future vmmemap]
 
-ffffffbc00000000       ffffffbdffffffff           8GB          vmemmap
+ffffffbffbe00000       ffffffbffbe0ffff          64KB          PCI I/O space
 
-ffffffbe00000000       ffffffbffbffffff          ~8GB          [guard, future vmmemap]
+ffffffbbffff0000       ffffffbcffffffff          ~2MB          [guard]
 
 ffffffbffc000000       ffffffbfffffffff          64MB          modules
 
index 28eeaec..59203e7 100644 (file)
@@ -2507,6 +2507,7 @@ M:        Joonyoung Shim <jy0922.shim@samsung.com>
 M:     Seung-Woo Kim <sw0312.kim@samsung.com>
 M:     Kyungmin Park <kyungmin.park@samsung.com>
 L:     dri-devel@lists.freedesktop.org
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git
 S:     Supported
 F:     drivers/gpu/drm/exynos
 F:     include/drm/exynos*
index 42d0e56..a1ccf22 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 7
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Terrified Chipmunk
 
 # *DOCUMENTATION*
index 35c1ed8..42f042e 100644 (file)
@@ -64,7 +64,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
 static inline void __raw_writew(u16 val, volatile void __iomem *addr)
 {
        asm volatile("strh %1, %0"
-                    : "+Qo" (*(volatile u16 __force *)addr)
+                    : "+Q" (*(volatile u16 __force *)addr)
                     : "r" (val));
 }
 
@@ -72,7 +72,7 @@ static inline u16 __raw_readw(const volatile void __iomem *addr)
 {
        u16 val;
        asm volatile("ldrh %1, %0"
-                    : "+Qo" (*(volatile u16 __force *)addr),
+                    : "+Q" (*(volatile u16 __force *)addr),
                       "=r" (val));
        return val;
 }
index 05b8e82..e3f7572 100644 (file)
@@ -10,7 +10,5 @@
 
 extern void sched_clock_postinit(void);
 extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
-extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
-               unsigned long rate);
 
 #endif
index 6a6f1e4..301c1db 100644 (file)
@@ -27,9 +27,9 @@
 #if __LINUX_ARM_ARCH__ <= 6
        ldr     \tmp, =elf_hwcap                    @ may not have MVFR regs
        ldr     \tmp, [\tmp, #0]
-       tst     \tmp, #HWCAP_VFPv3D16
-       ldceql  p11, cr0, [\base],#32*4             @ FLDMIAD \base!, {d16-d31}
-       addne   \base, \base, #32*4                 @ step over unused register space
+       tst     \tmp, #HWCAP_VFPD32
+       ldcnel  p11, cr0, [\base],#32*4             @ FLDMIAD \base!, {d16-d31}
+       addeq   \base, \base, #32*4                 @ step over unused register space
 #else
        VFPFMRX \tmp, MVFR0                         @ Media and VFP Feature Register 0
        and     \tmp, \tmp, #MVFR0_A_SIMD_MASK      @ A_SIMD field
@@ -51,9 +51,9 @@
 #if __LINUX_ARM_ARCH__ <= 6
        ldr     \tmp, =elf_hwcap                    @ may not have MVFR regs
        ldr     \tmp, [\tmp, #0]
-       tst     \tmp, #HWCAP_VFPv3D16
-       stceql  p11, cr0, [\base],#32*4             @ FSTMIAD \base!, {d16-d31}
-       addne   \base, \base, #32*4                 @ step over unused register space
+       tst     \tmp, #HWCAP_VFPD32
+       stcnel  p11, cr0, [\base],#32*4             @ FSTMIAD \base!, {d16-d31}
+       addeq   \base, \base, #32*4                 @ step over unused register space
 #else
        VFPFMRX \tmp, MVFR0                         @ Media and VFP Feature Register 0
        and     \tmp, \tmp, #MVFR0_A_SIMD_MASK      @ A_SIMD field
index f254f65..3688fd1 100644 (file)
 #define HWCAP_THUMBEE  (1 << 11)
 #define HWCAP_NEON     (1 << 12)
 #define HWCAP_VFPv3    (1 << 13)
-#define HWCAP_VFPv3D16 (1 << 14)
+#define HWCAP_VFPv3D16 (1 << 14)       /* also set for VFPv4-D16 */
 #define HWCAP_TLS      (1 << 15)
 #define HWCAP_VFPv4    (1 << 16)
 #define HWCAP_IDIVA    (1 << 17)
 #define HWCAP_IDIVT    (1 << 18)
+#define HWCAP_VFPD32   (1 << 19)       /* set if VFP has 32 regs (not 16) */
 #define HWCAP_IDIV     (HWCAP_IDIVA | HWCAP_IDIVT)
 
 
index e21bac2..fc6692e 100644 (file)
@@ -107,13 +107,6 @@ static void sched_clock_poll(unsigned long wrap_ticks)
        update_sched_clock();
 }
 
-void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
-               unsigned long rate)
-{
-       setup_sched_clock(read, bits, rate);
-       cd.needs_suspend = true;
-}
-
 void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
 {
        unsigned long r, w;
@@ -189,18 +182,15 @@ void __init sched_clock_postinit(void)
 static int sched_clock_suspend(void)
 {
        sched_clock_poll(sched_clock_timer.data);
-       if (cd.needs_suspend)
-               cd.suspended = true;
+       cd.suspended = true;
        return 0;
 }
 
 static void sched_clock_resume(void)
 {
-       if (cd.needs_suspend) {
-               cd.epoch_cyc = read_sched_clock();
-               cd.epoch_cyc_copy = cd.epoch_cyc;
-               cd.suspended = false;
-       }
+       cd.epoch_cyc = read_sched_clock();
+       cd.epoch_cyc_copy = cd.epoch_cyc;
+       cd.suspended = false;
 }
 
 static struct syscore_ops sched_clock_ops = {
index 023f443..b820eda 100644 (file)
@@ -745,7 +745,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
 static int
 do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
-       union offset_union offset;
+       union offset_union uninitialized_var(offset);
        unsigned long instr = 0, instrptr;
        int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
        unsigned int type;
index c834b32..3b44e0d 100644 (file)
@@ -701,11 +701,14 @@ static int __init vfp_init(void)
                        elf_hwcap |= HWCAP_VFPv3;
 
                        /*
-                        * Check for VFPv3 D16. CPUs in this configuration
-                        * only have 16 x 64bit registers.
+                        * Check for VFPv3 D16 and VFPv4 D16.  CPUs in
+                        * this configuration only have 16 x 64bit
+                        * registers.
                         */
                        if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
-                               elf_hwcap |= HWCAP_VFPv3D16;
+                               elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */
+                       else
+                               elf_hwcap |= HWCAP_VFPD32;
                }
 #endif
                /*
index 59bcb96..f576092 100644 (file)
@@ -166,3 +166,14 @@ void free_xenballooned_pages(int nr_pages, struct page **pages)
        *pages = NULL;
 }
 EXPORT_SYMBOL_GPL(free_xenballooned_pages);
+
+/* In the hypervisor.S file. */
+EXPORT_SYMBOL_GPL(HYPERVISOR_event_channel_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_grant_table_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_xen_version);
+EXPORT_SYMBOL_GPL(HYPERVISOR_console_io);
+EXPORT_SYMBOL_GPL(HYPERVISOR_sched_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_hvm_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_memory_op);
+EXPORT_SYMBOL_GPL(HYPERVISOR_physdev_op);
+EXPORT_SYMBOL_GPL(privcmd_call);
index ef54a59..15ac18a 100644 (file)
@@ -1,6 +1,7 @@
 config ARM64
        def_bool y
        select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+       select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
        select GENERIC_CLOCKEVENTS
        select GENERIC_HARDIRQS_NO_DEPRECATED
        select GENERIC_IOMAP
index cf28464..07fea29 100644 (file)
 #include <asm/user.h>
 
 typedef unsigned long elf_greg_t;
-typedef unsigned long elf_freg_t[3];
 
 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct user_fp elf_fpregset_t;
+typedef struct user_fpsimd_state elf_fpregset_t;
 
 #define EM_AARCH64             183
 
@@ -87,7 +85,6 @@ typedef struct user_fp elf_fpregset_t;
 #define R_AARCH64_MOVW_PREL_G2_NC      292
 #define R_AARCH64_MOVW_PREL_G3         293
 
-
 /*
  * These are used to set parameters in the core dumps.
  */
index b42fab9..c43b4ac 100644 (file)
@@ -25,9 +25,8 @@
  *  - FPSR and FPCR
  *  - 32 128-bit data registers
  *
- * Note that user_fp forms a prefix of this structure, which is relied
- * upon in the ptrace FP/SIMD accessors. struct user_fpsimd_state must
- * form a prefix of struct fpsimd_state.
+ * Note that user_fpsimd forms a prefix of this structure, which is
+ * relied upon in the ptrace FP/SIMD accessors.
  */
 struct fpsimd_state {
        union {
index 74a2a7d..54f6116 100644 (file)
@@ -114,7 +114,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
  *  I/O port access primitives.
  */
 #define IO_SPACE_LIMIT         0xffff
-#define PCI_IOBASE             ((void __iomem *)0xffffffbbfffe0000UL)
+#define PCI_IOBASE             ((void __iomem *)(MODULES_VADDR - SZ_2M))
 
 static inline u8 inb(unsigned long addr)
 {
@@ -225,9 +225,9 @@ extern void __iounmap(volatile void __iomem *addr);
 #define PROT_DEVICE_nGnRE      (PROT_DEFAULT | PTE_XN | PTE_ATTRINDX(MT_DEVICE_nGnRE))
 #define PROT_NORMAL_NC         (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC))
 
-#define ioremap(addr, size)            __ioremap((addr), (size), PROT_DEVICE_nGnRE)
-#define ioremap_nocache(addr, size)    __ioremap((addr), (size), PROT_DEVICE_nGnRE)
-#define ioremap_wc(addr, size)         __ioremap((addr), (size), PROT_NORMAL_NC)
+#define ioremap(addr, size)            __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
+#define ioremap_nocache(addr, size)    __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
+#define ioremap_wc(addr, size)         __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
 #define iounmap                                __iounmap
 
 #define ARCH_HAS_IOREMAP_WC
index 5d81004..77f696c 100644 (file)
@@ -43,6 +43,8 @@
 #else
 #define STACK_TOP              STACK_TOP_MAX
 #endif /* CONFIG_COMPAT */
+
+#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK
 #endif /* __KERNEL__ */
 
 struct debug_info {
index 63f853f..68aff28 100644 (file)
@@ -14,7 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifdef CONFIG_COMPAT
-#define __ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 #define __ARCH_WANT_COMPAT_STAT64
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
index ecbf2d8..c76c724 100644 (file)
@@ -613,17 +613,11 @@ enum armv8_pmuv3_perf_types {
        ARMV8_PMUV3_PERFCTR_BUS_ACCESS                          = 0x19,
        ARMV8_PMUV3_PERFCTR_MEM_ERROR                           = 0x1A,
        ARMV8_PMUV3_PERFCTR_BUS_CYCLES                          = 0x1D,
-
-       /*
-        * This isn't an architected event.
-        * We detect this event number and use the cycle counter instead.
-        */
-       ARMV8_PMUV3_PERFCTR_CPU_CYCLES                          = 0xFF,
 };
 
 /* PMUv3 HW events mapping. */
 static const unsigned armv8_pmuv3_perf_map[PERF_COUNT_HW_MAX] = {
-       [PERF_COUNT_HW_CPU_CYCLES]              = ARMV8_PMUV3_PERFCTR_CPU_CYCLES,
+       [PERF_COUNT_HW_CPU_CYCLES]              = ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES,
        [PERF_COUNT_HW_INSTRUCTIONS]            = ARMV8_PMUV3_PERFCTR_INSTR_EXECUTED,
        [PERF_COUNT_HW_CACHE_REFERENCES]        = ARMV8_PMUV3_PERFCTR_L1_DCACHE_ACCESS,
        [PERF_COUNT_HW_CACHE_MISSES]            = ARMV8_PMUV3_PERFCTR_L1_DCACHE_REFILL,
@@ -1106,7 +1100,7 @@ static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc,
        unsigned long evtype = event->config_base & ARMV8_EVTYPE_EVENT;
 
        /* Always place a cycle counter into the cycle counter. */
-       if (evtype == ARMV8_PMUV3_PERFCTR_CPU_CYCLES) {
+       if (evtype == ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES) {
                if (test_and_set_bit(ARMV8_IDX_CYCLE_COUNTER, cpuc->used_mask))
                        return -EAGAIN;
 
index f22965e..e04cebd 100644 (file)
@@ -310,24 +310,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
 }
 
 /*
- * Fill in the task's elfregs structure for a core dump.
- */
-int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs)
-{
-       elf_core_copy_regs(elfregs, task_pt_regs(t));
-       return 1;
-}
-
-/*
- * fill in the fpe structure for a core dump...
- */
-int dump_fpu (struct pt_regs *regs, struct user_fp *fp)
-{
-       return 0;
-}
-EXPORT_SYMBOL(dump_fpu);
-
-/*
  * Shuffle the argument into the correct register before calling the
  * thread function.  x1 is the thread argument, x2 is the pointer to
  * the thread function, and x3 points to the exit function.
index 226b6bf..538300f 100644 (file)
@@ -211,8 +211,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
         * before we continue.
         */
        set_cpu_online(cpu, true);
-       while (!cpu_active(cpu))
-               cpu_relax();
+       complete(&cpu_running);
 
        /*
         * OK, it's off to the idle thread for us
index efbf7df..4cd2893 100644 (file)
@@ -80,7 +80,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
 #ifdef CONFIG_ZONE_DMA32
        /* 4GB maximum for 32-bit only capable devices */
        max_dma32 = min(max, MAX_DMA32_PFN);
-       zone_size[ZONE_DMA32] = max_dma32 - min;
+       zone_size[ZONE_DMA32] = max(min, max_dma32) - min;
 #endif
        zone_size[ZONE_NORMAL] = max - max_dma32;
 
index c635028..05887a1 100644 (file)
@@ -2,7 +2,8 @@
 #define __ARCH_H8300_CACHE_H
 
 /* bytes per L1 cache line */
-#define        L1_CACHE_BYTES  4
+#define        L1_CACHE_SHIFT  2
+#define        L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
 
 /* m68k-elf-gcc  2.95.2 doesn't like these */
 
index 55bde60..ad2b924 100644 (file)
@@ -9,6 +9,8 @@
 
 #define LPM_ANYPATH 0xff
 #define __MAX_CSSID 0
+#define __MAX_SUBCHANNEL 65535
+#define __MAX_SSID 3
 
 #include <asm/scsw.h>
 
index dd647c9..2d3b7cb 100644 (file)
@@ -506,12 +506,15 @@ static inline int pud_bad(pud_t pud)
 
 static inline int pmd_present(pmd_t pmd)
 {
-       return (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) != 0UL;
+       unsigned long mask = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO;
+       return (pmd_val(pmd) & mask) == _HPAGE_TYPE_NONE ||
+              !(pmd_val(pmd) & _SEGMENT_ENTRY_INV);
 }
 
 static inline int pmd_none(pmd_t pmd)
 {
-       return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) != 0UL;
+       return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) &&
+              !(pmd_val(pmd) & _SEGMENT_ENTRY_RO);
 }
 
 static inline int pmd_large(pmd_t pmd)
@@ -1223,6 +1226,11 @@ static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
 }
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+
+#define SEGMENT_NONE   __pgprot(_HPAGE_TYPE_NONE)
+#define SEGMENT_RO     __pgprot(_HPAGE_TYPE_RO)
+#define SEGMENT_RW     __pgprot(_HPAGE_TYPE_RW)
+
 #define __HAVE_ARCH_PGTABLE_DEPOSIT
 extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
 
@@ -1242,16 +1250,15 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
 
 static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
 {
-       unsigned long pgprot_pmd = 0;
-
-       if (pgprot_val(pgprot) & _PAGE_INVALID) {
-               if (pgprot_val(pgprot) & _PAGE_SWT)
-                       pgprot_pmd |= _HPAGE_TYPE_NONE;
-               pgprot_pmd |= _SEGMENT_ENTRY_INV;
-       }
-       if (pgprot_val(pgprot) & _PAGE_RO)
-               pgprot_pmd |= _SEGMENT_ENTRY_RO;
-       return pgprot_pmd;
+       /*
+        * pgprot is PAGE_NONE, PAGE_RO, or PAGE_RW (see __Pxxx / __Sxxx)
+        * Convert to segment table entry format.
+        */
+       if (pgprot_val(pgprot) == pgprot_val(PAGE_NONE))
+               return pgprot_val(SEGMENT_NONE);
+       if (pgprot_val(pgprot) == pgprot_val(PAGE_RO))
+               return pgprot_val(SEGMENT_RO);
+       return pgprot_val(SEGMENT_RW);
 }
 
 static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
@@ -1269,7 +1276,9 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd)
 
 static inline pmd_t pmd_mkwrite(pmd_t pmd)
 {
-       pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
+       /* Do not clobber _HPAGE_TYPE_NONE pages! */
+       if (!(pmd_val(pmd) & _SEGMENT_ENTRY_INV))
+               pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
        return pmd;
 }
 
index bf05389..b6506ee 100644 (file)
@@ -44,6 +44,12 @@ _sclp_wait_int:
 #endif
        mvc     .LoldpswS1-.LbaseS1(16,%r13),0(%r8)
        mvc     0(16,%r8),0(%r9)
+#ifdef CONFIG_64BIT
+       epsw    %r6,%r7                         # set current addressing mode
+       nill    %r6,0x1                         # in new psw (31 or 64 bit mode)
+       nilh    %r7,0x8000
+       stm     %r6,%r7,0(%r8)
+#endif
        lhi     %r6,0x0200                      # cr mask for ext int (cr0.54)
        ltr     %r2,%r2
        jz      .LsetctS1
@@ -87,7 +93,7 @@ _sclp_wait_int:
        .long   0x00080000, 0x80000000+.LwaitS1 # PSW to handle ext int
 #ifdef CONFIG_64BIT
 .LextpswS1_64:
-       .quad   0x0000000180000000, .LwaitS1    # PSW to handle ext int, 64 bit
+       .quad   0, .LwaitS1                     # PSW to handle ext int, 64 bit
 #endif
 .LwaitpswS1:
        .long   0x010a0000, 0x00000000+.LloopS1 # PSW to wait for ext int
index 2d37bb8..9017a63 100644 (file)
@@ -39,7 +39,7 @@ static __always_inline unsigned long follow_table(struct mm_struct *mm,
        pmd = pmd_offset(pud, addr);
        if (pmd_none(*pmd))
                return -0x10UL;
-       if (pmd_huge(*pmd)) {
+       if (pmd_large(*pmd)) {
                if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
                        return -0x04UL;
                return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
index 60acb93..8b82853 100644 (file)
@@ -126,7 +126,7 @@ static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr,
                 */
                if (pmd_none(pmd) || pmd_trans_splitting(pmd))
                        return 0;
-               if (unlikely(pmd_huge(pmd))) {
+               if (unlikely(pmd_large(pmd))) {
                        if (!gup_huge_pmd(pmdp, pmd, addr, next,
                                          write, pages, nr))
                                return 0;
index b6b442b..9f2edb5 100644 (file)
@@ -20,6 +20,7 @@ config SPARC
        select HAVE_ARCH_TRACEHOOK
        select SYSCTL_EXCEPTION_TRACE
        select ARCH_WANT_OPTIONAL_GPIOLIB
+       select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
        select RTC_CLASS
        select RTC_DRV_M48T59
        select HAVE_IRQ_WORK
index 6ae1ad5..5d469d8 100644 (file)
@@ -13,13 +13,13 @@ obj-$(CONFIG_CRYPTO_DES_SPARC64) += camellia-sparc64.o
 
 obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o
 
-sha1-sparc64-y := sha1_asm.o sha1_glue.o crop_devid.o
-sha256-sparc64-y := sha256_asm.o sha256_glue.o crop_devid.o
-sha512-sparc64-y := sha512_asm.o sha512_glue.o crop_devid.o
-md5-sparc64-y := md5_asm.o md5_glue.o crop_devid.o
+sha1-sparc64-y := sha1_asm.o sha1_glue.o
+sha256-sparc64-y := sha256_asm.o sha256_glue.o
+sha512-sparc64-y := sha512_asm.o sha512_glue.o
+md5-sparc64-y := md5_asm.o md5_glue.o
 
-aes-sparc64-y := aes_asm.o aes_glue.o crop_devid.o
-des-sparc64-y := des_asm.o des_glue.o crop_devid.o
-camellia-sparc64-y := camellia_asm.o camellia_glue.o crop_devid.o
+aes-sparc64-y := aes_asm.o aes_glue.o
+des-sparc64-y := des_asm.o des_glue.o
+camellia-sparc64-y := camellia_asm.o camellia_glue.o
 
-crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o crop_devid.o
+crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o
index 8f1c998..3965d1d 100644 (file)
@@ -475,3 +475,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("AES Secure Hash Algorithm, sparc64 aes opcode accelerated");
 
 MODULE_ALIAS("aes");
+
+#include "crop_devid.c"
index 42905c0..62c89af 100644 (file)
@@ -320,3 +320,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Camellia Cipher Algorithm, sparc64 camellia opcode accelerated");
 
 MODULE_ALIAS("aes");
+
+#include "crop_devid.c"
index 0bd89ce..5162fad 100644 (file)
@@ -177,3 +177,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated");
 
 MODULE_ALIAS("crc32c");
+
+#include "crop_devid.c"
index c4940c2..41524ce 100644 (file)
@@ -527,3 +527,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms, sparc64 des opcode accelerated");
 
 MODULE_ALIAS("des");
+
+#include "crop_devid.c"
index 603d723..09a9ea1 100644 (file)
@@ -186,3 +186,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("MD5 Secure Hash Algorithm, sparc64 md5 opcode accelerated");
 
 MODULE_ALIAS("md5");
+
+#include "crop_devid.c"
index 2bbb20b..6cd5f29 100644 (file)
@@ -181,3 +181,5 @@ MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, sparc64 sha1 opcode accelerated");
 
 MODULE_ALIAS("sha1");
+
+#include "crop_devid.c"
index 591e656..04f555a 100644 (file)
@@ -239,3 +239,5 @@ MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm, sparc64 sha256 op
 
 MODULE_ALIAS("sha224");
 MODULE_ALIAS("sha256");
+
+#include "crop_devid.c"
index 486f0a2..f04d199 100644 (file)
@@ -224,3 +224,5 @@ MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 op
 
 MODULE_ALIAS("sha384");
 MODULE_ALIAS("sha512");
+
+#include "crop_devid.c"
index ce35a1c..be56a24 100644 (file)
@@ -1,7 +1,7 @@
 /* atomic.h: Thankfully the V9 is at least reasonable for this
  *           stuff.
  *
- * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com)
  */
 
 #ifndef __ARCH_SPARC64_ATOMIC__
@@ -106,6 +106,8 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
 
 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
+extern long atomic64_dec_if_positive(atomic64_t *v);
+
 /* Atomic operations are already serializing */
 #define smp_mb__before_atomic_dec()    barrier()
 #define smp_mb__after_atomic_dec()     barrier()
index db3af0d..4e02086 100644 (file)
@@ -1,6 +1,46 @@
 #ifndef _SPARC64_BACKOFF_H
 #define _SPARC64_BACKOFF_H
 
+/* The macros in this file implement an exponential backoff facility
+ * for atomic operations.
+ *
+ * When multiple threads compete on an atomic operation, it is
+ * possible for one thread to be continually denied a successful
+ * completion of the compare-and-swap instruction.  Heavily
+ * threaded cpu implementations like Niagara can compound this
+ * problem even further.
+ *
+ * When an atomic operation fails and needs to be retried, we spin a
+ * certain number of times.  At each subsequent failure of the same
+ * operation we double the spin count, realizing an exponential
+ * backoff.
+ *
+ * When we spin, we try to use an operation that will cause the
+ * current cpu strand to block, and therefore make the core fully
+ * available to any other other runnable strands.  There are two
+ * options, based upon cpu capabilities.
+ *
+ * On all cpus prior to SPARC-T4 we do three dummy reads of the
+ * condition code register.  Each read blocks the strand for something
+ * between 40 and 50 cpu cycles.
+ *
+ * For SPARC-T4 and later we have a special "pause" instruction
+ * available.  This is implemented using writes to register %asr27.
+ * The cpu will block the number of cycles written into the register,
+ * unless a disrupting trap happens first.  SPARC-T4 specifically
+ * implements pause with a granularity of 8 cycles.  Each strand has
+ * an internal pause counter which decrements every 8 cycles.  So the
+ * chip shifts the %asr27 value down by 3 bits, and writes the result
+ * into the pause counter.  If a value smaller than 8 is written, the
+ * chip blocks for 1 cycle.
+ *
+ * To achieve the same amount of backoff as the three %ccr reads give
+ * on earlier chips, we shift the backoff value up by 7 bits.  (Three
+ * %ccr reads block for about 128 cycles, 1 << 7 == 128) We write the
+ * whole amount we want to block into the pause register, rather than
+ * loop writing 128 each time.
+ */
+
 #define BACKOFF_LIMIT  (4 * 1024)
 
 #ifdef CONFIG_SMP
 #define BACKOFF_LABEL(spin_label, continue_label) \
        spin_label
 
-#define BACKOFF_SPIN(reg, tmp, label)  \
-       mov     reg, tmp; \
-88:    brnz,pt tmp, 88b; \
-        sub    tmp, 1, tmp; \
-       set     BACKOFF_LIMIT, tmp; \
-       cmp     reg, tmp; \
-       bg,pn   %xcc, label; \
-        nop; \
-       ba,pt   %xcc, label; \
-        sllx   reg, 1, reg;
+#define BACKOFF_SPIN(reg, tmp, label)          \
+       mov             reg, tmp;               \
+88:    rd              %ccr, %g0;              \
+       rd              %ccr, %g0;              \
+       rd              %ccr, %g0;              \
+       .section        .pause_3insn_patch,"ax";\
+       .word           88b;                    \
+       sllx            tmp, 7, tmp;            \
+       wr              tmp, 0, %asr27;         \
+       clr             tmp;                    \
+       .previous;                              \
+       brnz,pt         tmp, 88b;               \
+        sub            tmp, 1, tmp;            \
+       set             BACKOFF_LIMIT, tmp;     \
+       cmp             reg, tmp;               \
+       bg,pn           %xcc, label;            \
+        nop;                                   \
+       ba,pt           %xcc, label;            \
+        sllx           reg, 1, reg;
 
 #else
 
index cef99fb..830502f 100644 (file)
@@ -232,9 +232,10 @@ static inline void __user *arch_compat_alloc_user_space(long len)
        struct pt_regs *regs = current_thread_info()->kregs;
        unsigned long usp = regs->u_regs[UREG_I6];
 
-       if (!(test_thread_flag(TIF_32BIT)))
+       if (test_thread_64bit_stack(usp))
                usp += STACK_BIAS;
-       else
+
+       if (test_thread_flag(TIF_32BIT))
                usp &= 0xffffffffUL;
 
        usp -= len;
index 4e5a483..721e25f 100644 (file)
@@ -196,7 +196,22 @@ extern unsigned long get_wchan(struct task_struct *task);
 #define KSTK_EIP(tsk)  (task_pt_regs(tsk)->tpc)
 #define KSTK_ESP(tsk)  (task_pt_regs(tsk)->u_regs[UREG_FP])
 
-#define cpu_relax()    barrier()
+/* Please see the commentary in asm/backoff.h for a description of
+ * what these instructions are doing and how they have been choosen.
+ * To make a long story short, we are trying to yield the current cpu
+ * strand during busy loops.
+ */
+#define cpu_relax()    asm volatile("\n99:\n\t"                        \
+                                    "rd        %%ccr, %%g0\n\t"        \
+                                    "rd        %%ccr, %%g0\n\t"        \
+                                    "rd        %%ccr, %%g0\n\t"        \
+                                    ".section  .pause_3insn_patch,\"ax\"\n\t"\
+                                    ".word     99b\n\t"                \
+                                    "wr        %%g0, 128, %%asr27\n\t" \
+                                    "nop\n\t"                          \
+                                    "nop\n\t"                          \
+                                    ".previous"                        \
+                                    ::: "memory")
 
 /* Prefetch support.  This is tuned for UltraSPARC-III and later.
  * UltraSPARC-I will treat these as nops, and UltraSPARC-II has
index c287651..f930031 100644 (file)
@@ -63,5 +63,10 @@ extern char *of_console_options;
 extern void irq_trans_init(struct device_node *dp);
 extern char *build_path_component(struct device_node *dp);
 
+/* SPARC has a local implementation */
+extern int of_address_to_resource(struct device_node *dev, int index,
+                                 struct resource *r);
+#define of_address_to_resource of_address_to_resource
+
 #endif /* __KERNEL__ */
 #endif /* _SPARC_PROM_H */
index 4e22766..a3fe4dc 100644 (file)
@@ -259,6 +259,11 @@ static inline bool test_and_clear_restore_sigmask(void)
 
 #define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
 
+#define thread32_stack_is_64bit(__SP) (((__SP) & 0x1) != 0)
+#define test_thread_64bit_stack(__SP) \
+       ((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \
+        false : true)
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */
index 48f2807..71b5a67 100644 (file)
@@ -372,7 +372,9 @@ etrap_spill_fixup_64bit:                            \
 
 /* Normal 32bit spill */
 #define SPILL_2_GENERIC(ASI)                           \
-       srl     %sp, 0, %sp;                            \
+       and     %sp, 1, %g3;                            \
+       brnz,pn %g3, (. - (128 + 4));                   \
+        srl    %sp, 0, %sp;                            \
        stwa    %l0, [%sp + %g0] ASI;                   \
        mov     0x04, %g3;                              \
        stwa    %l1, [%sp + %g3] ASI;                   \
@@ -398,14 +400,16 @@ etrap_spill_fixup_64bit:                          \
        stwa    %i6, [%g1 + %g0] ASI;                   \
        stwa    %i7, [%g1 + %g3] ASI;                   \
        saved;                                          \
-        retry; nop; nop;                               \
+        retry;                                         \
        b,a,pt  %xcc, spill_fixup_dax;                  \
        b,a,pt  %xcc, spill_fixup_mna;                  \
        b,a,pt  %xcc, spill_fixup;
 
 #define SPILL_2_GENERIC_ETRAP          \
 etrap_user_spill_32bit:                        \
-       srl     %sp, 0, %sp;            \
+       and     %sp, 1, %g3;            \
+       brnz,pn %g3, etrap_user_spill_64bit;    \
+        srl    %sp, 0, %sp;            \
        stwa    %l0, [%sp + 0x00] %asi; \
        stwa    %l1, [%sp + 0x04] %asi; \
        stwa    %l2, [%sp + 0x08] %asi; \
@@ -427,7 +431,7 @@ etrap_user_spill_32bit:                     \
        ba,pt   %xcc, etrap_save;       \
         wrpr   %g1, %cwp;              \
        nop; nop; nop; nop;             \
-       nop; nop; nop; nop;             \
+       nop; nop;                       \
        ba,a,pt %xcc, etrap_spill_fixup_32bit; \
        ba,a,pt %xcc, etrap_spill_fixup_32bit; \
        ba,a,pt %xcc, etrap_spill_fixup_32bit;
@@ -592,7 +596,9 @@ user_rtt_fill_64bit:                                        \
 
 /* Normal 32bit fill */
 #define FILL_2_GENERIC(ASI)                            \
-       srl     %sp, 0, %sp;                            \
+       and     %sp, 1, %g3;                            \
+       brnz,pn %g3, (. - (128 + 4));                   \
+        srl    %sp, 0, %sp;                            \
        lduwa   [%sp + %g0] ASI, %l0;                   \
        mov     0x04, %g2;                              \
        mov     0x08, %g3;                              \
@@ -616,14 +622,16 @@ user_rtt_fill_64bit:                                      \
        lduwa   [%g1 + %g3] ASI, %i6;                   \
        lduwa   [%g1 + %g5] ASI, %i7;                   \
        restored;                                       \
-       retry; nop; nop; nop; nop;                      \
+       retry; nop; nop;                                \
        b,a,pt  %xcc, fill_fixup_dax;                   \
        b,a,pt  %xcc, fill_fixup_mna;                   \
        b,a,pt  %xcc, fill_fixup;
 
 #define FILL_2_GENERIC_RTRAP                           \
 user_rtt_fill_32bit:                                   \
-       srl     %sp, 0, %sp;                            \
+       and     %sp, 1, %g3;                            \
+       brnz,pn %g3, user_rtt_fill_64bit;               \
+        srl    %sp, 0, %sp;                            \
        lduwa   [%sp + 0x00] %asi, %l0;                 \
        lduwa   [%sp + 0x04] %asi, %l1;                 \
        lduwa   [%sp + 0x08] %asi, %l2;                 \
@@ -643,7 +651,7 @@ user_rtt_fill_32bit:                                        \
        ba,pt   %xcc, user_rtt_pre_restore;             \
         restored;                                      \
        nop; nop; nop; nop; nop;                        \
-       nop; nop; nop; nop; nop;                        \
+       nop; nop; nop;                                  \
        ba,a,pt %xcc, user_rtt_fill_fixup;              \
        ba,a,pt %xcc, user_rtt_fill_fixup;              \
        ba,a,pt %xcc, user_rtt_fill_fixup;
index 8974ef7..cac719d 100644 (file)
 #define __NR_setns             337
 #define __NR_process_vm_readv  338
 #define __NR_process_vm_writev 339
+#define __NR_kern_features     340
+#define __NR_kcmp              341
 
-#define NR_syscalls            340
+#define NR_syscalls            342
+
+/* Bitmask values returned from kern_features system call.  */
+#define KERN_FEATURE_MIXED_MODE_STACK  0x00000001
 
 #ifdef __32bit_syscall_numbers__
 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
index 0c218e4..cc3c5cb 100644 (file)
@@ -59,6 +59,13 @@ struct popc_6insn_patch_entry {
 extern struct popc_6insn_patch_entry __popc_6insn_patch,
        __popc_6insn_patch_end;
 
+struct pause_patch_entry {
+       unsigned int    addr;
+       unsigned int    insns[3];
+};
+extern struct pause_patch_entry __pause_3insn_patch,
+       __pause_3insn_patch_end;
+
 extern void __init per_cpu_patch(void);
 extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
                                    struct sun4v_1insn_patch_entry *);
index f8b6eee..87f60ee 100644 (file)
@@ -56,11 +56,13 @@ static inline unsigned int leon_eirq_get(int cpu)
 static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc)
 {
        unsigned int eirq;
+       struct irq_bucket *p;
        int cpu = sparc_leon3_cpuid();
 
        eirq = leon_eirq_get(cpu);
-       if ((eirq & 0x10) && irq_map[eirq]->irq) /* bit4 tells if IRQ happened */
-               generic_handle_irq(irq_map[eirq]->irq);
+       p = irq_map[eirq];
+       if ((eirq & 0x10) && p && p->irq) /* bit4 tells if IRQ happened */
+               generic_handle_irq(p->irq);
 }
 
 /* The extended IRQ controller has been found, this function registers it */
index 885a8af..b5c38fa 100644 (file)
@@ -1762,15 +1762,25 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
 
        ufp = regs->u_regs[UREG_I6] & 0xffffffffUL;
        do {
-               struct sparc_stackf32 *usf, sf;
                unsigned long pc;
 
-               usf = (struct sparc_stackf32 *) ufp;
-               if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
-                       break;
+               if (thread32_stack_is_64bit(ufp)) {
+                       struct sparc_stackf *usf, sf;
 
-               pc = sf.callers_pc;
-               ufp = (unsigned long)sf.fp;
+                       ufp += STACK_BIAS;
+                       usf = (struct sparc_stackf *) ufp;
+                       if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
+                               break;
+                       pc = sf.callers_pc & 0xffffffff;
+                       ufp = ((unsigned long) sf.fp) & 0xffffffff;
+               } else {
+                       struct sparc_stackf32 *usf, sf;
+                       usf = (struct sparc_stackf32 *) ufp;
+                       if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
+                               break;
+                       pc = sf.callers_pc;
+                       ufp = (unsigned long)sf.fp;
+               }
                perf_callchain_store(entry, pc);
        } while (entry->nr < PERF_MAX_STACK_DEPTH);
 }
index d778248..c6e0c29 100644 (file)
@@ -452,13 +452,16 @@ void flush_thread(void)
 /* It's a bit more tricky when 64-bit tasks are involved... */
 static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
 {
+       bool stack_64bit = test_thread_64bit_stack(psp);
        unsigned long fp, distance, rval;
 
-       if (!(test_thread_flag(TIF_32BIT))) {
+       if (stack_64bit) {
                csp += STACK_BIAS;
                psp += STACK_BIAS;
                __get_user(fp, &(((struct reg_window __user *)psp)->ins[6]));
                fp += STACK_BIAS;
+               if (test_thread_flag(TIF_32BIT))
+                       fp &= 0xffffffff;
        } else
                __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6]));
 
@@ -472,7 +475,7 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
        rval = (csp - distance);
        if (copy_in_user((void __user *) rval, (void __user *) psp, distance))
                rval = 0;
-       else if (test_thread_flag(TIF_32BIT)) {
+       else if (!stack_64bit) {
                if (put_user(((u32)csp),
                             &(((struct reg_window32 __user *)rval)->ins[6])))
                        rval = 0;
@@ -507,18 +510,18 @@ void synchronize_user_stack(void)
 
        flush_user_windows();
        if ((window = get_thread_wsaved()) != 0) {
-               int winsize = sizeof(struct reg_window);
-               int bias = 0;
-
-               if (test_thread_flag(TIF_32BIT))
-                       winsize = sizeof(struct reg_window32);
-               else
-                       bias = STACK_BIAS;
-
                window -= 1;
                do {
-                       unsigned long sp = (t->rwbuf_stkptrs[window] + bias);
                        struct reg_window *rwin = &t->reg_window[window];
+                       int winsize = sizeof(struct reg_window);
+                       unsigned long sp;
+
+                       sp = t->rwbuf_stkptrs[window];
+
+                       if (test_thread_64bit_stack(sp))
+                               sp += STACK_BIAS;
+                       else
+                               winsize = sizeof(struct reg_window32);
 
                        if (!copy_to_user((char __user *)sp, rwin, winsize)) {
                                shift_window_buffer(window, get_thread_wsaved() - 1, t);
@@ -544,13 +547,6 @@ void fault_in_user_windows(void)
 {
        struct thread_info *t = current_thread_info();
        unsigned long window;
-       int winsize = sizeof(struct reg_window);
-       int bias = 0;
-
-       if (test_thread_flag(TIF_32BIT))
-               winsize = sizeof(struct reg_window32);
-       else
-               bias = STACK_BIAS;
 
        flush_user_windows();
        window = get_thread_wsaved();
@@ -558,8 +554,16 @@ void fault_in_user_windows(void)
        if (likely(window != 0)) {
                window -= 1;
                do {
-                       unsigned long sp = (t->rwbuf_stkptrs[window] + bias);
                        struct reg_window *rwin = &t->reg_window[window];
+                       int winsize = sizeof(struct reg_window);
+                       unsigned long sp;
+
+                       sp = t->rwbuf_stkptrs[window];
+
+                       if (test_thread_64bit_stack(sp))
+                               sp += STACK_BIAS;
+                       else
+                               winsize = sizeof(struct reg_window32);
 
                        if (unlikely(sp & 0x7UL))
                                stack_unaligned(sp);
index 484daba..7ff45e4 100644 (file)
@@ -151,7 +151,7 @@ static int regwindow64_get(struct task_struct *target,
 {
        unsigned long rw_addr = regs->u_regs[UREG_I6];
 
-       if (test_tsk_thread_flag(current, TIF_32BIT)) {
+       if (!test_thread_64bit_stack(rw_addr)) {
                struct reg_window32 win32;
                int i;
 
@@ -176,7 +176,7 @@ static int regwindow64_set(struct task_struct *target,
 {
        unsigned long rw_addr = regs->u_regs[UREG_I6];
 
-       if (test_tsk_thread_flag(current, TIF_32BIT)) {
+       if (!test_thread_64bit_stack(rw_addr)) {
                struct reg_window32 win32;
                int i;
 
index 0800e71..0eaf005 100644 (file)
@@ -316,6 +316,25 @@ static void __init popc_patch(void)
        }
 }
 
+static void __init pause_patch(void)
+{
+       struct pause_patch_entry *p;
+
+       p = &__pause_3insn_patch;
+       while (p < &__pause_3insn_patch_end) {
+               unsigned long i, addr = p->addr;
+
+               for (i = 0; i < 3; i++) {
+                       *(unsigned int *) (addr +  (i * 4)) = p->insns[i];
+                       wmb();
+                       __asm__ __volatile__("flush     %0"
+                                            : : "r" (addr +  (i * 4)));
+               }
+
+               p++;
+       }
+}
+
 #ifdef CONFIG_SMP
 void __init boot_cpu_id_too_large(int cpu)
 {
@@ -528,6 +547,8 @@ static void __init init_sparc64_elf_hwcap(void)
 
        if (sparc64_elf_hwcap & AV_SPARC_POPC)
                popc_patch();
+       if (sparc64_elf_hwcap & AV_SPARC_PAUSE)
+               pause_patch();
 }
 
 void __init setup_arch(char **cmdline_p)
index 11c6c96..878ef3d 100644 (file)
@@ -751,3 +751,8 @@ int kernel_execve(const char *filename,
                      : "cc");
        return __res;
 }
+
+asmlinkage long sys_kern_features(void)
+{
+       return KERN_FEATURE_MIXED_MODE_STACK;
+}
index 63402f9..5147f57 100644 (file)
@@ -85,3 +85,4 @@ sys_call_table:
 /*325*/        .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
 /*330*/        .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
 /*335*/        .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
+/*340*/        .long sys_ni_syscall, sys_kcmp
index 3a58e0d..1c9af9f 100644 (file)
@@ -86,6 +86,7 @@ sys_call_table32:
        .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init
 /*330*/        .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
        .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
+/*340*/        .word sys_kern_features, sys_kcmp
 
 #endif /* CONFIG_COMPAT */
 
@@ -163,3 +164,4 @@ sys_call_table:
        .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init
 /*330*/        .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
        .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
+/*340*/        .word sys_kern_features, sys_kcmp
index f81d038..8201c25 100644 (file)
@@ -113,21 +113,24 @@ static inline long sign_extend_imm13(long imm)
 
 static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
 {
-       unsigned long value;
+       unsigned long value, fp;
        
        if (reg < 16)
                return (!reg ? 0 : regs->u_regs[reg]);
+
+       fp = regs->u_regs[UREG_FP];
+
        if (regs->tstate & TSTATE_PRIV) {
                struct reg_window *win;
-               win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window *)(fp + STACK_BIAS);
                value = win->locals[reg - 16];
-       } else if (test_thread_flag(TIF_32BIT)) {
+       } else if (!test_thread_64bit_stack(fp)) {
                struct reg_window32 __user *win32;
-               win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
+               win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp));
                get_user(value, &win32->locals[reg - 16]);
        } else {
                struct reg_window __user *win;
-               win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window __user *)(fp + STACK_BIAS);
                get_user(value, &win->locals[reg - 16]);
        }
        return value;
@@ -135,19 +138,24 @@ static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
 
 static unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs)
 {
+       unsigned long fp;
+
        if (reg < 16)
                return &regs->u_regs[reg];
+
+       fp = regs->u_regs[UREG_FP];
+
        if (regs->tstate & TSTATE_PRIV) {
                struct reg_window *win;
-               win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window *)(fp + STACK_BIAS);
                return &win->locals[reg - 16];
-       } else if (test_thread_flag(TIF_32BIT)) {
+       } else if (!test_thread_64bit_stack(fp)) {
                struct reg_window32 *win32;
-               win32 = (struct reg_window32 *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
+               win32 = (struct reg_window32 *)((unsigned long)((u32)fp));
                return (unsigned long *)&win32->locals[reg - 16];
        } else {
                struct reg_window *win;
-               win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window *)(fp + STACK_BIAS);
                return &win->locals[reg - 16];
        }
 }
@@ -392,13 +400,15 @@ int handle_popc(u32 insn, struct pt_regs *regs)
                if (rd)
                        regs->u_regs[rd] = ret;
        } else {
-               if (test_thread_flag(TIF_32BIT)) {
+               unsigned long fp = regs->u_regs[UREG_FP];
+
+               if (!test_thread_64bit_stack(fp)) {
                        struct reg_window32 __user *win32;
-                       win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
+                       win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp));
                        put_user(ret, &win32->locals[rd - 16]);
                } else {
                        struct reg_window __user *win;
-                       win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+                       win = (struct reg_window __user *)(fp + STACK_BIAS);
                        put_user(ret, &win->locals[rd - 16]);
                }
        }
@@ -554,7 +564,7 @@ void handle_ld_nf(u32 insn, struct pt_regs *regs)
                reg[0] = 0;
                if ((insn & 0x780000) == 0x180000)
                        reg[1] = 0;
-       } else if (test_thread_flag(TIF_32BIT)) {
+       } else if (!test_thread_64bit_stack(regs->u_regs[UREG_FP])) {
                put_user(0, (int __user *) reg);
                if ((insn & 0x780000) == 0x180000)
                        put_user(0, ((int __user *) reg) + 1);
index 08e074b..c096c62 100644 (file)
@@ -149,21 +149,24 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2,
 
 static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
 {
-       unsigned long value;
+       unsigned long value, fp;
        
        if (reg < 16)
                return (!reg ? 0 : regs->u_regs[reg]);
+
+       fp = regs->u_regs[UREG_FP];
+
        if (regs->tstate & TSTATE_PRIV) {
                struct reg_window *win;
-               win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window *)(fp + STACK_BIAS);
                value = win->locals[reg - 16];
-       } else if (test_thread_flag(TIF_32BIT)) {
+       } else if (!test_thread_64bit_stack(fp)) {
                struct reg_window32 __user *win32;
-               win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
+               win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp));
                get_user(value, &win32->locals[reg - 16]);
        } else {
                struct reg_window __user *win;
-               win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window __user *)(fp + STACK_BIAS);
                get_user(value, &win->locals[reg - 16]);
        }
        return value;
@@ -172,16 +175,18 @@ static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
 static inline unsigned long __user *__fetch_reg_addr_user(unsigned int reg,
                                                          struct pt_regs *regs)
 {
+       unsigned long fp = regs->u_regs[UREG_FP];
+
        BUG_ON(reg < 16);
        BUG_ON(regs->tstate & TSTATE_PRIV);
 
-       if (test_thread_flag(TIF_32BIT)) {
+       if (!test_thread_64bit_stack(fp)) {
                struct reg_window32 __user *win32;
-               win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
+               win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp));
                return (unsigned long __user *)&win32->locals[reg - 16];
        } else {
                struct reg_window __user *win;
-               win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS);
+               win = (struct reg_window __user *)(fp + STACK_BIAS);
                return &win->locals[reg - 16];
        }
 }
@@ -204,7 +209,7 @@ static void store_reg(struct pt_regs *regs, unsigned long val, unsigned long rd)
        } else {
                unsigned long __user *rd_user = __fetch_reg_addr_user(rd, regs);
 
-               if (test_thread_flag(TIF_32BIT))
+               if (!test_thread_64bit_stack(regs->u_regs[UREG_FP]))
                        __put_user((u32)val, (u32 __user *)rd_user);
                else
                        __put_user(val, rd_user);
index 89c2c29..0bacceb 100644 (file)
@@ -132,6 +132,11 @@ SECTIONS
                *(.popc_6insn_patch)
                __popc_6insn_patch_end = .;
        }
+       .pause_3insn_patch : {
+               __pause_3insn_patch = .;
+               *(.pause_3insn_patch)
+               __pause_3insn_patch_end = .;
+       }
        PERCPU_SECTION(SMP_CACHE_BYTES)
 
        . = ALIGN(PAGE_SIZE);
index a6b0863..1e67ce9 100644 (file)
@@ -43,6 +43,8 @@ spill_fixup_mna:
 spill_fixup_dax:
        TRAP_LOAD_THREAD_REG(%g6, %g1)
        ldx     [%g6 + TI_FLAGS], %g1
+       andcc   %sp, 0x1, %g0
+       movne   %icc, 0, %g1
        andcc   %g1, _TIF_32BIT, %g0
        ldub    [%g6 + TI_WSAVED], %g1
        sll     %g1, 3, %g3
index 4d502da..85c233d 100644 (file)
@@ -1,6 +1,6 @@
 /* atomic.S: These things are too big to do inline.
  *
- * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1999, 2007 2012 David S. Miller (davem@davemloft.net)
  */
 
 #include <linux/linkage.h>
@@ -117,3 +117,17 @@ ENTRY(atomic64_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */
         sub    %g1, %o0, %o0
 2:     BACKOFF_SPIN(%o2, %o3, 1b)
 ENDPROC(atomic64_sub_ret)
+
+ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */
+       BACKOFF_SETUP(%o2)
+1:     ldx     [%o0], %g1
+       brlez,pn %g1, 3f
+        sub    %g1, 1, %g7
+       casx    [%o0], %g1, %g7
+       cmp     %g1, %g7
+       bne,pn  %xcc, BACKOFF_LABEL(2f, 1b)
+        nop
+3:     retl
+        sub    %g1, 1, %o0
+2:     BACKOFF_SPIN(%o2, %o3, 1b)
+ENDPROC(atomic64_dec_if_positive)
index ee31b88..0c4e35e 100644 (file)
@@ -116,6 +116,7 @@ EXPORT_SYMBOL(atomic64_add);
 EXPORT_SYMBOL(atomic64_add_ret);
 EXPORT_SYMBOL(atomic64_sub);
 EXPORT_SYMBOL(atomic64_sub_ret);
+EXPORT_SYMBOL(atomic64_dec_if_positive);
 
 /* Atomic bit operations. */
 EXPORT_SYMBOL(test_and_set_bit);
index 1704068..034aadb 100644 (file)
@@ -320,7 +320,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap)
                                        XR = 0;
                                else if (freg < 16)
                                        XR = regs->u_regs[freg];
-                               else if (test_thread_flag(TIF_32BIT)) {
+                               else if (!test_thread_64bit_stack(regs->u_regs[UREG_FP])) {
                                        struct reg_window32 __user *win32;
                                        flushw_user ();
                                        win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP]));
index 59c226d..c20d1ce 100644 (file)
@@ -359,18 +359,14 @@ HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val,
                return _hypercall4(int, update_va_mapping, va,
                                   new_val.pte, new_val.pte >> 32, flags);
 }
+extern int __must_check xen_event_channel_op_compat(int, void *);
 
 static inline int
 HYPERVISOR_event_channel_op(int cmd, void *arg)
 {
        int rc = _hypercall2(int, event_channel_op, cmd, arg);
-       if (unlikely(rc == -ENOSYS)) {
-               struct evtchn_op op;
-               op.cmd = cmd;
-               memcpy(&op.u, arg, sizeof(op.u));
-               rc = _hypercall1(int, event_channel_op_compat, &op);
-               memcpy(arg, &op.u, sizeof(op.u));
-       }
+       if (unlikely(rc == -ENOSYS))
+               rc = xen_event_channel_op_compat(cmd, arg);
        return rc;
 }
 
@@ -386,17 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str)
        return _hypercall3(int, console_io, cmd, count, str);
 }
 
+extern int __must_check HYPERVISOR_physdev_op_compat(int, void *);
+
 static inline int
 HYPERVISOR_physdev_op(int cmd, void *arg)
 {
        int rc = _hypercall2(int, physdev_op, cmd, arg);
-       if (unlikely(rc == -ENOSYS)) {
-               struct physdev_op op;
-               op.cmd = cmd;
-               memcpy(&op.u, arg, sizeof(op.u));
-               rc = _hypercall1(int, physdev_op_compat, &op);
-               memcpy(arg, &op.u, sizeof(op.u));
-       }
+       if (unlikely(rc == -ENOSYS))
+               rc = HYPERVISOR_physdev_op_compat(cmd, arg);
        return rc;
 }
 
index 671d4d6..7bdd61b 100644 (file)
@@ -137,13 +137,18 @@ static void cryptd_queue_worker(struct work_struct *work)
        struct crypto_async_request *req, *backlog;
 
        cpu_queue = container_of(work, struct cryptd_cpu_queue, work);
-       /* Only handle one request at a time to avoid hogging crypto
-        * workqueue. preempt_disable/enable is used to prevent
-        * being preempted by cryptd_enqueue_request() */
+       /*
+        * Only handle one request at a time to avoid hogging crypto workqueue.
+        * preempt_disable/enable is used to prevent being preempted by
+        * cryptd_enqueue_request(). local_bh_disable/enable is used to prevent
+        * cryptd_enqueue_request() being accessed from software interrupts.
+        */
+       local_bh_disable();
        preempt_disable();
        backlog = crypto_get_backlog(&cpu_queue->queue);
        req = crypto_dequeue_request(&cpu_queue->queue);
        preempt_enable();
+       local_bh_enable();
 
        if (!req)
                return;
index f94d4c8..0230cb6 100644 (file)
@@ -1345,12 +1345,15 @@ static int
 acpi_video_bus_get_devices(struct acpi_video_bus *video,
                           struct acpi_device *device)
 {
-       int status;
+       int status = 0;
        struct acpi_device *dev;
 
-       status = acpi_video_device_enumerate(video);
-       if (status)
-               return status;
+       /*
+        * There are systems where video module known to work fine regardless
+        * of broken _DOD and ignoring returned value here doesn't cause
+        * any issues later.
+        */
+       acpi_video_device_enumerate(video);
 
        list_for_each_entry(dev, &device->children, node) {
 
index 8727e9c..72c776f 100644 (file)
@@ -83,9 +83,16 @@ EXPORT_SYMBOL_GPL(platform_get_resource);
  */
 int platform_get_irq(struct platform_device *dev, unsigned int num)
 {
+#ifdef CONFIG_SPARC
+       /* sparc does not have irqs represented as IORESOURCE_IRQ resources */
+       if (!dev || num >= dev->archdata.num_irqs)
+               return -ENXIO;
+       return dev->archdata.irqs[num];
+#else
        struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num);
 
        return r ? r->start : -ENXIO;
+#endif
 }
 EXPORT_SYMBOL_GPL(platform_get_irq);
 
index d055cee..f11d8e3 100644 (file)
@@ -47,7 +47,7 @@ if GPIOLIB
 
 config OF_GPIO
        def_bool y
-       depends on OF && !SPARC
+       depends on OF
 
 config DEBUG_GPIO
        bool "Debug GPIO calls"
index 7ef1b67..133b413 100644 (file)
@@ -121,6 +121,8 @@ int drm_open(struct inode *inode, struct file *filp)
        int minor_id = iminor(inode);
        struct drm_minor *minor;
        int retcode = 0;
+       int need_setup = 0;
+       struct address_space *old_mapping;
 
        minor = idr_find(&drm_minors_idr, minor_id);
        if (!minor)
@@ -132,23 +134,37 @@ int drm_open(struct inode *inode, struct file *filp)
        if (drm_device_is_unplugged(dev))
                return -ENODEV;
 
+       if (!dev->open_count++)
+               need_setup = 1;
+       mutex_lock(&dev->struct_mutex);
+       old_mapping = dev->dev_mapping;
+       if (old_mapping == NULL)
+               dev->dev_mapping = &inode->i_data;
+       /* ihold ensures nobody can remove inode with our i_data */
+       ihold(container_of(dev->dev_mapping, struct inode, i_data));
+       inode->i_mapping = dev->dev_mapping;
+       filp->f_mapping = dev->dev_mapping;
+       mutex_unlock(&dev->struct_mutex);
+
        retcode = drm_open_helper(inode, filp, dev);
-       if (!retcode) {
-               atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
-               if (!dev->open_count++)
-                       retcode = drm_setup(dev);
-       }
-       if (!retcode) {
-               mutex_lock(&dev->struct_mutex);
-               if (dev->dev_mapping == NULL)
-                       dev->dev_mapping = &inode->i_data;
-               /* ihold ensures nobody can remove inode with our i_data */
-               ihold(container_of(dev->dev_mapping, struct inode, i_data));
-               inode->i_mapping = dev->dev_mapping;
-               filp->f_mapping = dev->dev_mapping;
-               mutex_unlock(&dev->struct_mutex);
+       if (retcode)
+               goto err_undo;
+       atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
+       if (need_setup) {
+               retcode = drm_setup(dev);
+               if (retcode)
+                       goto err_undo;
        }
+       return 0;
 
+err_undo:
+       mutex_lock(&dev->struct_mutex);
+       filp->f_mapping = old_mapping;
+       inode->i_mapping = old_mapping;
+       iput(container_of(dev->dev_mapping, struct inode, i_data));
+       dev->dev_mapping = old_mapping;
+       mutex_unlock(&dev->struct_mutex);
+       dev->open_count--;
        return retcode;
 }
 EXPORT_SYMBOL(drm_open);
index 59a26e5..fc345d4 100644 (file)
@@ -1,6 +1,6 @@
 config DRM_EXYNOS
        tristate "DRM Support for Samsung SoC EXYNOS Series"
-       depends on DRM && PLAT_SAMSUNG
+       depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM)
        select DRM_KMS_HELPER
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
index 18c2718..0f68a28 100644 (file)
@@ -374,6 +374,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
        exynos_connector->encoder_id = encoder->base.id;
        exynos_connector->manager = manager;
        exynos_connector->dpms = DRM_MODE_DPMS_OFF;
+       connector->dpms = DRM_MODE_DPMS_OFF;
        connector->encoder = encoder;
 
        err = drm_mode_connector_attach_encoder(connector, encoder);
index e51503f..241ad1e 100644 (file)
  * @manager: specific encoder has its own manager to control a hardware
  *     appropriately and we can access a hardware drawing on this manager.
  * @dpms: store the encoder dpms value.
+ * @updated: indicate whether overlay data updating is needed or not.
  */
 struct exynos_drm_encoder {
        struct drm_crtc                 *old_crtc;
        struct drm_encoder              drm_encoder;
        struct exynos_drm_manager       *manager;
-       int dpms;
+       int                             dpms;
+       bool                            updated;
 };
 
 static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
@@ -85,7 +87,9 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
        switch (mode) {
        case DRM_MODE_DPMS_ON:
                if (manager_ops && manager_ops->apply)
-                       manager_ops->apply(manager->dev);
+                       if (!exynos_encoder->updated)
+                               manager_ops->apply(manager->dev);
+
                exynos_drm_connector_power(encoder, mode);
                exynos_encoder->dpms = mode;
                break;
@@ -94,6 +98,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
        case DRM_MODE_DPMS_OFF:
                exynos_drm_connector_power(encoder, mode);
                exynos_encoder->dpms = mode;
+               exynos_encoder->updated = false;
                break;
        default:
                DRM_ERROR("unspecified mode %d\n", mode);
@@ -205,13 +210,22 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
 
 static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
-       struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+       struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+       struct exynos_drm_manager *manager = exynos_encoder->manager;
        struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
 
        if (manager_ops && manager_ops->commit)
                manager_ops->commit(manager->dev);
+
+       /*
+        * this will avoid one issue that overlay data is updated to
+        * real hardware two times.
+        * And this variable will be used to check if the data was
+        * already updated or not by exynos_drm_encoder_dpms function.
+        */
+       exynos_encoder->updated = true;
 }
 
 static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
@@ -401,19 +415,6 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
                manager_ops->dpms(manager->dev, mode);
 
        /*
-        * set current mode to new one so that data aren't updated into
-        * registers by drm_helper_connector_dpms two times.
-        *
-        * in case that drm_crtc_helper_set_mode() is called,
-        * overlay_ops->commit() and manager_ops->commit() callbacks
-        * can be called two times, first at drm_crtc_helper_set_mode()
-        * and second at drm_helper_connector_dpms().
-        * so with this setting, when drm_helper_connector_dpms() is called
-        * encoder->funcs->dpms() will be ignored.
-        */
-       exynos_encoder->dpms = mode;
-
-       /*
         * if this condition is ok then it means that the crtc is already
         * detached from encoder and last function for detaching is properly
         * done, so clear pipe from manager to prevent repeated call.
index 614b2e9..e7fbb82 100644 (file)
@@ -1142,7 +1142,7 @@ static int __devinit mixer_probe(struct platform_device *pdev)
                const struct of_device_id *match;
                match = of_match_node(of_match_ptr(mixer_match_types),
                                                          pdev->dev.of_node);
-               drv = match->data;
+               drv = (struct mixer_drv_data *)match->data;
        } else {
                drv = (struct mixer_drv_data *)
                        platform_get_device_id(pdev)->driver_data;
index c9bfd83..61ae104 100644 (file)
@@ -1505,7 +1505,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
                goto put_gmch;
        }
 
-       i915_kick_out_firmware_fb(dev_priv);
+       if (drm_core_check_feature(dev, DRIVER_MODESET))
+               i915_kick_out_firmware_fb(dev_priv);
 
        pci_set_master(dev->pdev);
 
index f78061a..b726b47 100644 (file)
@@ -729,7 +729,7 @@ void intel_crt_init(struct drm_device *dev)
 
        crt->base.type = INTEL_OUTPUT_ANALOG;
        crt->base.cloneable = true;
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_I830(dev))
                crt->base.crtc_mask = (1 << 0);
        else
                crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
index 4956259..d7bc817 100644 (file)
@@ -341,9 +341,17 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        intel_ring_emit(ring, flip_addr);
        intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
        /* turn overlay off */
-       intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
-       intel_ring_emit(ring, flip_addr);
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       if (IS_I830(dev)) {
+               /* Workaround: Don't disable the overlay fully, since otherwise
+                * it dies on the next OVERLAY_ON cmd. */
+               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(ring, MI_NOOP);
+       } else {
+               intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+               intel_ring_emit(ring, flip_addr);
+               intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       }
        intel_ring_advance(ring);
 
        return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);
index e019b23..e2aacd3 100644 (file)
@@ -435,7 +435,7 @@ int intel_panel_setup_backlight(struct drm_device *dev)
        props.type = BACKLIGHT_RAW;
        props.max_brightness = _intel_panel_get_max_backlight(dev);
        if (props.max_brightness == 0) {
-               DRM_ERROR("Failed to get maximum backlight value\n");
+               DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n");
                return -ENODEV;
        }
        dev_priv->backlight =
index c01d97d..79d308d 100644 (file)
@@ -894,6 +894,45 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 }
 #endif
 
+static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
+                                      unsigned if_index, uint8_t tx_rate,
+                                      uint8_t *data, unsigned length)
+{
+       uint8_t set_buf_index[2] = { if_index, 0 };
+       uint8_t hbuf_size, tmp[8];
+       int i;
+
+       if (!intel_sdvo_set_value(intel_sdvo,
+                                 SDVO_CMD_SET_HBUF_INDEX,
+                                 set_buf_index, 2))
+               return false;
+
+       if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
+                                 &hbuf_size, 1))
+               return false;
+
+       /* Buffer size is 0 based, hooray! */
+       hbuf_size++;
+
+       DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+                     if_index, length, hbuf_size);
+
+       for (i = 0; i < hbuf_size; i += 8) {
+               memset(tmp, 0, 8);
+               if (i < length)
+                       memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
+
+               if (!intel_sdvo_set_value(intel_sdvo,
+                                         SDVO_CMD_SET_HBUF_DATA,
+                                         tmp, 8))
+                       return false;
+       }
+
+       return intel_sdvo_set_value(intel_sdvo,
+                                   SDVO_CMD_SET_HBUF_TXRATE,
+                                   &tx_rate, 1);
+}
+
 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 {
        struct dip_infoframe avi_if = {
@@ -901,11 +940,7 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
                .ver = DIP_VERSION_AVI,
                .len = DIP_LEN_AVI,
        };
-       uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
-       uint8_t set_buf_index[2] = { 1, 0 };
        uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
-       uint64_t *data = (uint64_t *)sdvo_data;
-       unsigned i;
 
        intel_dip_infoframe_csum(&avi_if);
 
@@ -915,22 +950,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
        sdvo_data[3] = avi_if.checksum;
        memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 
-       if (!intel_sdvo_set_value(intel_sdvo,
-                                 SDVO_CMD_SET_HBUF_INDEX,
-                                 set_buf_index, 2))
-               return false;
-
-       for (i = 0; i < sizeof(sdvo_data); i += 8) {
-               if (!intel_sdvo_set_value(intel_sdvo,
-                                         SDVO_CMD_SET_HBUF_DATA,
-                                         data, 8))
-                       return false;
-               data++;
-       }
-
-       return intel_sdvo_set_value(intel_sdvo,
-                                   SDVO_CMD_SET_HBUF_TXRATE,
-                                   &tx_rate, 1);
+       return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
+                                         SDVO_HBUF_TX_VSYNC,
+                                         sdvo_data, sizeof(sdvo_data));
 }
 
 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
index 9d03014..770bdd6 100644 (file)
@@ -708,6 +708,8 @@ struct intel_sdvo_enhancements_arg {
 #define SDVO_CMD_SET_AUDIO_STAT                0x91
 #define SDVO_CMD_GET_AUDIO_STAT                0x92
 #define SDVO_CMD_SET_HBUF_INDEX                0x93
+  #define SDVO_HBUF_INDEX_ELD          0
+  #define SDVO_HBUF_INDEX_AVI_IF       1
 #define SDVO_CMD_GET_HBUF_INDEX                0x94
 #define SDVO_CMD_GET_HBUF_INFO         0x95
 #define SDVO_CMD_SET_HBUF_AV_SPLIT     0x96
index 16a9afb..05a909a 100644 (file)
@@ -22,6 +22,8 @@
  * Authors: Ben Skeggs
  */
 
+#include <subdev/bar.h>
+
 #include <engine/software.h>
 #include <engine/disp.h>
 
@@ -37,6 +39,7 @@ nv50_disp_sclass[] = {
 static void
 nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
 {
+       struct nouveau_bar *bar = nouveau_bar(priv);
        struct nouveau_disp *disp = &priv->base;
        struct nouveau_software_chan *chan, *temp;
        unsigned long flags;
@@ -46,18 +49,19 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
                if (chan->vblank.crtc != crtc)
                        continue;
 
-               nv_wr32(priv, 0x001704, chan->vblank.channel);
-               nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
-
                if (nv_device(priv)->chipset == 0x50) {
+                       nv_wr32(priv, 0x001704, chan->vblank.channel);
+                       nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
+                       bar->flush(bar);
                        nv_wr32(priv, 0x001570, chan->vblank.offset);
                        nv_wr32(priv, 0x001574, chan->vblank.value);
                } else {
-                       if (nv_device(priv)->chipset >= 0xc0) {
-                               nv_wr32(priv, 0x06000c,
-                                       upper_32_bits(chan->vblank.offset));
-                       }
-                       nv_wr32(priv, 0x060010, chan->vblank.offset);
+                       nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
+                       bar->flush(bar);
+                       nv_wr32(priv, 0x06000c,
+                               upper_32_bits(chan->vblank.offset));
+                       nv_wr32(priv, 0x060010,
+                               lower_32_bits(chan->vblank.offset));
                        nv_wr32(priv, 0x060014, chan->vblank.value);
                }
 
index 8d00210..4250012 100644 (file)
@@ -156,8 +156,8 @@ nv40_graph_context_ctor(struct nouveau_object *parent,
 static int
 nv40_graph_context_fini(struct nouveau_object *object, bool suspend)
 {
-       struct nv04_graph_priv *priv = (void *)object->engine;
-       struct nv04_graph_chan *chan = (void *)object;
+       struct nv40_graph_priv *priv = (void *)object->engine;
+       struct nv40_graph_chan *chan = (void *)object;
        u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4;
        int ret = 0;
 
index 1241857..f7c581a 100644 (file)
@@ -38,7 +38,7 @@ struct nv40_mpeg_priv {
 };
 
 struct nv40_mpeg_chan {
-       struct nouveau_mpeg base;
+       struct nouveau_mpeg_chan base;
 };
 
 /*******************************************************************************
index 49050d9..9474cfc 100644 (file)
@@ -67,7 +67,7 @@ nv41_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt)
 static void
 nv41_vm_flush(struct nouveau_vm *vm)
 {
-       struct nv04_vm_priv *priv = (void *)vm->vmm;
+       struct nv04_vmmgr_priv *priv = (void *)vm->vmm;
 
        mutex_lock(&nv_subdev(priv)->mutex);
        nv_wr32(priv, 0x100810, 0x00000022);
index 9a6e2cb..d3595b2 100644 (file)
@@ -355,7 +355,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
         * valid - it's not (rh#613284)
         */
        if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
-               if (!(nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
+               if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
                        status = connector_status_connected;
                        goto out;
                }
index 2e566e1..3bce029 100644 (file)
@@ -1696,35 +1696,43 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
                        return ATOM_PPLL2;
                DRM_ERROR("unable to allocate a PPLL\n");
                return ATOM_PPLL_INVALID;
-       } else {
-               if (ASIC_IS_AVIVO(rdev)) {
-                       /* in DP mode, the DP ref clock can come from either PPLL
-                        * depending on the asic:
-                        * DCE3: PPLL1 or PPLL2
-                        */
-                       if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
-                               /* use the same PPLL for all DP monitors */
-                               pll = radeon_get_shared_dp_ppll(crtc);
-                               if (pll != ATOM_PPLL_INVALID)
-                                       return pll;
-                       } else {
-                               /* use the same PPLL for all monitors with the same clock */
-                               pll = radeon_get_shared_nondp_ppll(crtc);
-                               if (pll != ATOM_PPLL_INVALID)
-                                       return pll;
-                       }
-                       /* all other cases */
-                       pll_in_use = radeon_get_pll_use_mask(crtc);
+       } else if (ASIC_IS_AVIVO(rdev)) {
+               /* in DP mode, the DP ref clock can come from either PPLL
+                * depending on the asic:
+                * DCE3: PPLL1 or PPLL2
+                */
+               if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
+                       /* use the same PPLL for all DP monitors */
+                       pll = radeon_get_shared_dp_ppll(crtc);
+                       if (pll != ATOM_PPLL_INVALID)
+                               return pll;
+               } else {
+                       /* use the same PPLL for all monitors with the same clock */
+                       pll = radeon_get_shared_nondp_ppll(crtc);
+                       if (pll != ATOM_PPLL_INVALID)
+                               return pll;
+               }
+               /* all other cases */
+               pll_in_use = radeon_get_pll_use_mask(crtc);
+               /* the order shouldn't matter here, but we probably
+                * need this until we have atomic modeset
+                */
+               if (rdev->flags & RADEON_IS_IGP) {
                        if (!(pll_in_use & (1 << ATOM_PPLL1)))
                                return ATOM_PPLL1;
                        if (!(pll_in_use & (1 << ATOM_PPLL2)))
                                return ATOM_PPLL2;
-                       DRM_ERROR("unable to allocate a PPLL\n");
-                       return ATOM_PPLL_INVALID;
                } else {
-                       /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
-                       return radeon_crtc->crtc_id;
+                       if (!(pll_in_use & (1 << ATOM_PPLL2)))
+                               return ATOM_PPLL2;
+                       if (!(pll_in_use & (1 << ATOM_PPLL1)))
+                               return ATOM_PPLL1;
                }
+               DRM_ERROR("unable to allocate a PPLL\n");
+               return ATOM_PPLL_INVALID;
+       } else {
+               /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
+               return radeon_crtc->crtc_id;
        }
 }
 
index 14313ad..af31f82 100644 (file)
@@ -1372,7 +1372,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
        WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
        for (i = 0; i < rdev->num_crtc; i++) {
-               if (save->crtc_enabled) {
+               if (save->crtc_enabled[i]) {
                        if (ASIC_IS_DCE6(rdev)) {
                                tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
                                tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
index 30271b6..c042e49 100644 (file)
@@ -264,7 +264,7 @@ static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
        /* macro tile width & height */
        palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
        halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
-       mtileb = (palign / 8) * (halign / 8) * tileb;;
+       mtileb = (palign / 8) * (halign / 8) * tileb;
        mtile_pr = surf->nbx / palign;
        mtile_ps = (mtile_pr * surf->nby) / halign;
        surf->layer_size = mtile_ps * mtileb * slice_pt;
@@ -2725,6 +2725,9 @@ static bool evergreen_vm_reg_valid(u32 reg)
        /* check config regs */
        switch (reg) {
        case GRBM_GFX_INDEX:
+       case CP_STRMOUT_CNTL:
+       case CP_COHER_CNTL:
+       case CP_COHER_SIZE:
        case VGT_VTX_VECT_EJECT_REG:
        case VGT_CACHE_INVALIDATION:
        case VGT_GS_VERTEX_REUSE:
index df542f1..2bc0f6a 100644 (file)
 #define                FB_READ_EN                                      (1 << 0)
 #define                FB_WRITE_EN                                     (1 << 1)
 
+#define        CP_STRMOUT_CNTL                                 0x84FC
+
+#define        CP_COHER_CNTL                                   0x85F0
+#define        CP_COHER_SIZE                                   0x85F4
 #define        CP_COHER_BASE                                   0x85F8
 #define        CP_STALLED_STAT1                        0x8674
 #define        CP_STALLED_STAT2                        0x8678
index 37f6a90..15f5ded 100644 (file)
@@ -352,9 +352,9 @@ static int radeon_atpx_switchto(enum vga_switcheroo_client_id id)
 }
 
 /**
- * radeon_atpx_switchto - switch to the requested GPU
+ * radeon_atpx_power_state - power down/up the requested GPU
  *
- * @id: GPU to switch to
+ * @id: GPU to power down/up
  * @state: requested power state (0 = off, 1 = on)
  *
  * Execute the necessary ATPX function to power down/up the discrete GPU
index 67cfc17..b884c36 100644 (file)
@@ -941,7 +941,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
        struct drm_mode_object *obj;
        int i;
        enum drm_connector_status ret = connector_status_disconnected;
-       bool dret = false;
+       bool dret = false, broken_edid = false;
 
        if (!force && radeon_check_hpd_status_unchanged(connector))
                return connector->status;
@@ -965,6 +965,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
                                ret = connector_status_disconnected;
                                DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
                                radeon_connector->ddc_bus = NULL;
+                       } else {
+                               ret = connector_status_connected;
+                               broken_edid = true; /* defer use_digital to later */
                        }
                } else {
                        radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
@@ -1047,13 +1050,24 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
                        encoder_funcs = encoder->helper_private;
                        if (encoder_funcs->detect) {
-                               if (ret != connector_status_connected) {
-                                       ret = encoder_funcs->detect(encoder, connector);
-                                       if (ret == connector_status_connected) {
-                                               radeon_connector->use_digital = false;
+                               if (!broken_edid) {
+                                       if (ret != connector_status_connected) {
+                                               /* deal with analog monitors without DDC */
+                                               ret = encoder_funcs->detect(encoder, connector);
+                                               if (ret == connector_status_connected) {
+                                                       radeon_connector->use_digital = false;
+                                               }
+                                               if (ret != connector_status_disconnected)
+                                                       radeon_connector->detected_by_load = true;
                                        }
-                                       if (ret != connector_status_disconnected)
-                                               radeon_connector->detected_by_load = true;
+                               } else {
+                                       enum drm_connector_status lret;
+                                       /* assume digital unless load detected otherwise */
+                                       radeon_connector->use_digital = true;
+                                       lret = encoder_funcs->detect(encoder, connector);
+                                       DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
+                                       if (lret == connector_status_connected)
+                                               radeon_connector->use_digital = false;
                                }
                                break;
                        }
index 5677a42..6857cb4 100644 (file)
@@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
        struct drm_device *dev = crtc->dev;
        struct radeon_device *rdev = dev->dev_private;
+       uint32_t crtc_ext_cntl = 0;
        uint32_t mask;
 
        if (radeon_crtc->crtc_id)
@@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                        RADEON_CRTC_VSYNC_DIS |
                        RADEON_CRTC_HSYNC_DIS);
 
+       /*
+        * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC.
+        * Therefore it is set in the DAC DMPS function.
+        * This is different for GPU's with a single CRTC but a primary and a
+        * TV DAC: here it controls the single CRTC no matter where it is
+        * routed. Therefore we set it here.
+        */
+       if (rdev->flags & RADEON_SINGLE_CRTC)
+               crtc_ext_cntl = RADEON_CRTC_CRT_ON;
+       
        switch (mode) {
        case DRM_MODE_DPMS_ON:
                radeon_crtc->enabled = true;
@@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                else {
                        WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN |
                                                                         RADEON_CRTC_DISP_REQ_EN_B));
-                       WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask);
+                       WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl));
                }
                drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
                radeon_crtc_load_lut(crtc);
@@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                else {
                        WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN |
                                                                                    RADEON_CRTC_DISP_REQ_EN_B));
-                       WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
+                       WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl));
                }
                radeon_crtc->enabled = false;
                /* adjust pm to dpms changes AFTER disabling crtcs */
index 0063df9..f5ba224 100644 (file)
@@ -537,7 +537,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode
                break;
        }
 
-       WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
+       /* handled in radeon_crtc_dpms() */
+       if (!(rdev->flags & RADEON_SINGLE_CRTC))
+               WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
        WREG32(RADEON_DAC_CNTL, dac_cntl);
        WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 
@@ -662,6 +664,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
 
        if (ASIC_IS_R300(rdev))
                tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
+       else if (ASIC_IS_RV100(rdev))
+               tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
        else
                tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 
@@ -671,6 +675,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
        tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
        WREG32(RADEON_DAC_CNTL, tmp);
 
+       tmp = dac_macro_cntl;
        tmp &= ~(RADEON_DAC_PDWN_R |
                 RADEON_DAC_PDWN_G |
                 RADEON_DAC_PDWN_B);
@@ -1092,7 +1097,8 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
        } else {
                if (is_tv)
                        WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
-               else
+               /* handled in radeon_crtc_dpms() */
+               else if (!(rdev->flags & RADEON_SINGLE_CRTC))
                        WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
                WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
        }
@@ -1416,13 +1422,104 @@ static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
        return found;
 }
 
+static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
+                                        struct drm_connector *connector)
+{
+       struct drm_device *dev = encoder->dev;
+       struct radeon_device *rdev = dev->dev_private;
+       uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
+       uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
+       uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
+       uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
+       uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
+       bool found = false;
+       int i;
+
+       /* save the regs we need */
+       gpio_monid = RREG32(RADEON_GPIO_MONID);
+       fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
+       disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+       crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+       disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
+       disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
+       disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
+       disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
+       disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
+       disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
+       crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
+       crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
+       crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
+       crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
+
+       tmp = RREG32(RADEON_GPIO_MONID);
+       tmp &= ~RADEON_GPIO_A_0;
+       WREG32(RADEON_GPIO_MONID, tmp);
+
+       WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
+                                    RADEON_FP2_PANEL_FORMAT |
+                                    R200_FP2_SOURCE_SEL_TRANS_UNIT |
+                                    RADEON_FP2_DVO_EN |
+                                    R200_FP2_DVO_RATE_SEL_SDR));
+
+       WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
+                                        RADEON_DISP_TRANS_MATRIX_GRAPHICS));
+
+       WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
+                                      RADEON_CRTC2_DISP_REQ_EN_B));
+
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
+
+       WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
+       WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
+       WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
+       WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
+
+       for (i = 0; i < 200; i++) {
+               tmp = RREG32(RADEON_GPIO_MONID);
+               if (tmp & RADEON_GPIO_Y_0)
+                       found = true;
+
+               if (found)
+                       break;
+
+               if (!drm_can_sleep())
+                       mdelay(1);
+               else
+                       msleep(1);
+       }
+
+       /* restore the regs we used */
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
+       WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
+       WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
+       WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
+       WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
+       WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+       WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+       WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+       WREG32(RADEON_GPIO_MONID, gpio_monid);
+
+       return found;
+}
+
 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
                                                             struct drm_connector *connector)
 {
        struct drm_device *dev = encoder->dev;
        struct radeon_device *rdev = dev->dev_private;
-       uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
-       uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp;
+       uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
+       uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
+       uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
        enum drm_connector_status found = connector_status_disconnected;
        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
        struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
@@ -1459,12 +1556,27 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
                return connector_status_disconnected;
        }
 
+       /* R200 uses an external DAC for secondary DAC */
+       if (rdev->family == CHIP_R200) {
+               if (radeon_legacy_ext_dac_detect(encoder, connector))
+                       found = connector_status_connected;
+               return found;
+       }
+
        /* save the regs we need */
        pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
-       gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0;
-       disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0;
-       disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG);
-       crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
+       } else {
+               if (ASIC_IS_R300(rdev)) {
+                       gpiopad_a = RREG32(RADEON_GPIOPAD_A);
+                       disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+               } else {
+                       disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+               }
+               crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+       }
        tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
        dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
        dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
@@ -1473,22 +1585,24 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
                               | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
        WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 
-       if (ASIC_IS_R300(rdev))
-               WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
-
-       tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
-       tmp |= RADEON_CRTC2_CRT2_ON |
-               (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
-
-       WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
-
-       if (ASIC_IS_R300(rdev)) {
-               tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
-               tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
-               WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
+               WREG32(RADEON_CRTC_EXT_CNTL, tmp);
        } else {
-               tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
-               WREG32(RADEON_DISP_HW_DEBUG, tmp);
+               tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
+               tmp |= RADEON_CRTC2_CRT2_ON |
+                       (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
+               WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+
+               if (ASIC_IS_R300(rdev)) {
+                       WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
+                       tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
+                       tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
+                       WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+               } else {
+                       tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
+                       WREG32(RADEON_DISP_HW_DEBUG, tmp);
+               }
        }
 
        tmp = RADEON_TV_DAC_NBLANK |
@@ -1530,14 +1644,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
        WREG32(RADEON_DAC_CNTL2, dac_cntl2);
        WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
        WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
-       WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
 
-       if (ASIC_IS_R300(rdev)) {
-               WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
-               WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
        } else {
-               WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+               WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+               if (ASIC_IS_R300(rdev)) {
+                       WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+                       WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+               } else {
+                       WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+               }
        }
+
        WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
 
        return found;
index b0db712..4422d63 100644 (file)
@@ -2474,6 +2474,7 @@ static bool si_vm_reg_valid(u32 reg)
        /* check config regs */
        switch (reg) {
        case GRBM_GFX_INDEX:
+       case CP_STRMOUT_CNTL:
        case VGT_VTX_VECT_EJECT_REG:
        case VGT_CACHE_INVALIDATION:
        case VGT_ESGS_RING_SIZE:
index 7d2a20e..a8871af 100644 (file)
 #       define RDERR_INT_ENABLE                         (1 << 0)
 #       define GUI_IDLE_INT_ENABLE                      (1 << 19)
 
+#define        CP_STRMOUT_CNTL                                 0x84FC
 #define        SCRATCH_REG0                                    0x8500
 #define        SCRATCH_REG1                                    0x8504
 #define        SCRATCH_REG2                                    0x8508
index fccd361..87aa5f5 100644 (file)
@@ -104,7 +104,7 @@ udl_fb_user_fb_create(struct drm_device *dev,
 
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
                     const char *front, char **urb_buf_ptr,
-                    u32 byte_offset, u32 byte_width,
+                    u32 byte_offset, u32 device_byte_offset, u32 byte_width,
                     int *ident_ptr, int *sent_ptr);
 
 int udl_dumb_create(struct drm_file *file_priv,
index 69a2b16..d4ab3be 100644 (file)
@@ -114,9 +114,10 @@ static void udlfb_dpy_deferred_io(struct fb_info *info,
        list_for_each_entry(cur, &fbdefio->pagelist, lru) {
 
                if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8),
-                                 &urb, (char *) info->fix.smem_start,
-                                 &cmd, cur->index << PAGE_SHIFT,
-                                 PAGE_SIZE, &bytes_identical, &bytes_sent))
+                                    &urb, (char *) info->fix.smem_start,
+                                    &cmd, cur->index << PAGE_SHIFT,
+                                    cur->index << PAGE_SHIFT,
+                                    PAGE_SIZE, &bytes_identical, &bytes_sent))
                        goto error;
                bytes_rendered += PAGE_SIZE;
        }
@@ -187,10 +188,11 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
        for (i = y; i < y + height ; i++) {
                const int line_offset = fb->base.pitches[0] * i;
                const int byte_offset = line_offset + (x * bpp);
-
+               const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp);
                if (udl_render_hline(dev, bpp, &urb,
                                     (char *) fb->obj->vmapping,
-                                    &cmd, byte_offset, width * bpp,
+                                    &cmd, byte_offset, dev_byte_offset,
+                                    width * bpp,
                                     &bytes_identical, &bytes_sent))
                        goto error;
        }
index dc09552..142fee5 100644 (file)
@@ -213,11 +213,12 @@ static void udl_compress_hline16(
  */
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
                     const char *front, char **urb_buf_ptr,
-                    u32 byte_offset, u32 byte_width,
+                    u32 byte_offset, u32 device_byte_offset,
+                    u32 byte_width,
                     int *ident_ptr, int *sent_ptr)
 {
        const u8 *line_start, *line_end, *next_pixel;
-       u32 base16 = 0 + (byte_offset / bpp) * 2;
+       u32 base16 = 0 + (device_byte_offset / bpp) * 2;
        struct urb *urb = *urb_ptr;
        u8 *cmd = *urb_buf_ptr;
        u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length;
index 3ce68a2..d1498bf 100644 (file)
@@ -306,7 +306,7 @@ void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin)
 
        BUG_ON(!atomic_read(&bo->reserved));
        BUG_ON(old_mem_type != TTM_PL_VRAM &&
-              old_mem_type != VMW_PL_FLAG_GMR);
+              old_mem_type != VMW_PL_GMR);
 
        pl_flags = TTM_PL_FLAG_VRAM | VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED;
        if (pin)
index ed3c1e7..2dd185e 100644 (file)
@@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev)
        struct drm_device *dev = pci_get_drvdata(pdev);
        struct vmw_private *dev_priv = vmw_priv(dev);
 
+       mutex_lock(&dev_priv->hw_mutex);
+       vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
+       (void) vmw_read(dev_priv, SVGA_REG_ID);
+       mutex_unlock(&dev_priv->hw_mutex);
+
        /**
         * Reclaim 3d reference held by fbdev and potentially
         * start fifo.
index 17d15bb..7c47fc3 100644 (file)
@@ -42,7 +42,6 @@ static struct cdev hidraw_cdev;
 static struct class *hidraw_class;
 static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES];
 static DEFINE_MUTEX(minors_lock);
-static void drop_ref(struct hidraw *hid, int exists_bit);
 
 static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
@@ -114,7 +113,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
        __u8 *buf;
        int ret = 0;
 
-       if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+       if (!hidraw_table[minor]) {
                ret = -ENODEV;
                goto out;
        }
@@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file)
        }
 
        mutex_lock(&minors_lock);
-       if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
+       if (!hidraw_table[minor]) {
                err = -ENODEV;
                goto out_unlock;
        }
@@ -299,12 +298,36 @@ out:
 static int hidraw_release(struct inode * inode, struct file * file)
 {
        unsigned int minor = iminor(inode);
+       struct hidraw *dev;
        struct hidraw_list *list = file->private_data;
+       int ret;
+       int i;
+
+       mutex_lock(&minors_lock);
+       if (!hidraw_table[minor]) {
+               ret = -ENODEV;
+               goto unlock;
+       }
 
-       drop_ref(hidraw_table[minor], 0);
        list_del(&list->node);
+       dev = hidraw_table[minor];
+       if (!--dev->open) {
+               if (list->hidraw->exist) {
+                       hid_hw_power(dev->hid, PM_HINT_NORMAL);
+                       hid_hw_close(dev->hid);
+               } else {
+                       kfree(list->hidraw);
+               }
+       }
+
+       for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i)
+               kfree(list->buffer[i].value);
        kfree(list);
-       return 0;
+       ret = 0;
+unlock:
+       mutex_unlock(&minors_lock);
+
+       return ret;
 }
 
 static long hidraw_ioctl(struct file *file, unsigned int cmd,
@@ -506,7 +529,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect);
 void hidraw_disconnect(struct hid_device *hid)
 {
        struct hidraw *hidraw = hid->hidraw;
-       drop_ref(hidraw, 1);
+
+       mutex_lock(&minors_lock);
+       hidraw->exist = 0;
+
+       device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+
+       hidraw_table[hidraw->minor] = NULL;
+
+       if (hidraw->open) {
+               hid_hw_close(hid);
+               wake_up_interruptible(&hidraw->wait);
+       } else {
+               kfree(hidraw);
+       }
+       mutex_unlock(&minors_lock);
 }
 EXPORT_SYMBOL_GPL(hidraw_disconnect);
 
@@ -555,23 +592,3 @@ void hidraw_exit(void)
        unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
 
 }
-
-static void drop_ref(struct hidraw *hidraw, int exists_bit)
-{
-       mutex_lock(&minors_lock);
-       if (exists_bit) {
-               hid_hw_close(hidraw->hid);
-               hidraw->exist = 0;
-               if (hidraw->open)
-                       wake_up_interruptible(&hidraw->wait);
-       } else {
-               --hidraw->open;
-       }
-
-       if (!hidraw->open && !hidraw->exist) {
-               device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
-               hidraw_table[hidraw->minor] = NULL;
-               kfree(hidraw);
-       }
-       mutex_unlock(&minors_lock);
-}
index a227be4..520e5bf 100644 (file)
@@ -32,7 +32,7 @@
  * ASB100-A supports pwm1, while plain ASB100 does not.  There is no known
  * way for the driver to tell which one is there.
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * asb100      7       3       1       4       0x31    0x0694  yes     no
  */
 
index 1821b74..de3c7e0 100644 (file)
@@ -2083,6 +2083,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
        mutex_init(&data->lock);
        mutex_init(&data->update_lock);
        data->name = w83627ehf_device_names[sio_data->kind];
+       data->bank = 0xff;              /* Force initial bank selection */
        platform_set_drvdata(pdev, data);
 
        /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
index 5b1a6a6..af15899 100644 (file)
@@ -25,7 +25,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83627hf    9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  * w83627thf   7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  * w83637hf    7       3       3       3       0x80    0x5ca3  no      yes(LPC)
index 5a5046d..20f11d3 100644 (file)
@@ -24,7 +24,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * as99127f    7       3       0       3       0x31    0x12c3  yes     no
  * as99127f rev.2 (type_name = as99127f)       0x31    0x5ca3  yes     no
  * w83781d     7       3       0       3       0x10-1  0x5ca3  yes     yes
index 39ab7bc..ed397c6 100644 (file)
@@ -22,7 +22,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83791d     10      5       5       3       0x71    0x5ca3  yes     no
  *
  * The w83791d chip appears to be part way between the 83781d and the
index 0536452..301942d 100644 (file)
@@ -31,7 +31,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83792d     9       7       7       3       0x7a    0x5ca3  yes     no
  */
 
index f0e8286..79710bc 100644 (file)
@@ -20,7 +20,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83l786ng   3       2       2       2       0x7b    0x5ca3  yes     no
  */
 
index 1f58197..286ca19 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Freescale MXS I2C bus driver
  *
- * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K.
+ * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K.
  *
  * based on a (non-working) driver which was:
  *
 
 #define DRIVER_NAME "mxs-i2c"
 
-static bool use_pioqueue;
-module_param(use_pioqueue, bool, 0);
-MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA");
-
 #define MXS_I2C_CTRL0          (0x00)
 #define MXS_I2C_CTRL0_SET      (0x04)
 
@@ -75,23 +71,6 @@ MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA");
                                 MXS_I2C_CTRL1_SLAVE_STOP_IRQ | \
                                 MXS_I2C_CTRL1_SLAVE_IRQ)
 
-#define MXS_I2C_QUEUECTRL      (0x60)
-#define MXS_I2C_QUEUECTRL_SET  (0x64)
-#define MXS_I2C_QUEUECTRL_CLR  (0x68)
-
-#define MXS_I2C_QUEUECTRL_QUEUE_RUN            0x20
-#define MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE       0x04
-
-#define MXS_I2C_QUEUESTAT      (0x70)
-#define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY        0x00002000
-#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK 0x0000001F
-
-#define MXS_I2C_QUEUECMD       (0x80)
-
-#define MXS_I2C_QUEUEDATA      (0x90)
-
-#define MXS_I2C_DATA           (0xa0)
-
 
 #define MXS_CMD_I2C_SELECT     (MXS_I2C_CTRL0_RETAIN_CLOCK |   \
                                 MXS_I2C_CTRL0_PRE_SEND_START | \
@@ -153,7 +132,6 @@ struct mxs_i2c_dev {
        const struct mxs_i2c_speed_config *speed;
 
        /* DMA support components */
-       bool                            dma_mode;
        int                             dma_channel;
        struct dma_chan                 *dmach;
        struct mxs_dma_data             dma_data;
@@ -172,99 +150,6 @@ static void mxs_i2c_reset(struct mxs_i2c_dev *i2c)
        writel(i2c->speed->timing2, i2c->regs + MXS_I2C_TIMING2);
 
        writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET);
-       if (i2c->dma_mode)
-               writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
-                       i2c->regs + MXS_I2C_QUEUECTRL_CLR);
-       else
-               writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
-                       i2c->regs + MXS_I2C_QUEUECTRL_SET);
-}
-
-static void mxs_i2c_pioq_setup_read(struct mxs_i2c_dev *i2c, u8 addr, int len,
-                                       int flags)
-{
-       u32 data;
-
-       writel(MXS_CMD_I2C_SELECT, i2c->regs + MXS_I2C_QUEUECMD);
-
-       data = (addr << 1) | I2C_SMBUS_READ;
-       writel(data, i2c->regs + MXS_I2C_DATA);
-
-       data = MXS_CMD_I2C_READ | MXS_I2C_CTRL0_XFER_COUNT(len) | flags;
-       writel(data, i2c->regs + MXS_I2C_QUEUECMD);
-}
-
-static void mxs_i2c_pioq_setup_write(struct mxs_i2c_dev *i2c,
-                                   u8 addr, u8 *buf, int len, int flags)
-{
-       u32 data;
-       int i, shifts_left;
-
-       data = MXS_CMD_I2C_WRITE | MXS_I2C_CTRL0_XFER_COUNT(len + 1) | flags;
-       writel(data, i2c->regs + MXS_I2C_QUEUECMD);
-
-       /*
-        * We have to copy the slave address (u8) and buffer (arbitrary number
-        * of u8) into the data register (u32). To achieve that, the u8 are put
-        * into the MSBs of 'data' which is then shifted for the next u8. When
-        * appropriate, 'data' is written to MXS_I2C_DATA. So, the first u32
-        * looks like this:
-        *
-        *  3          2          1          0
-        * 10987654|32109876|54321098|76543210
-        * --------+--------+--------+--------
-        * buffer+2|buffer+1|buffer+0|slave_addr
-        */
-
-       data = ((addr << 1) | I2C_SMBUS_WRITE) << 24;
-
-       for (i = 0; i < len; i++) {
-               data >>= 8;
-               data |= buf[i] << 24;
-               if ((i & 3) == 2)
-                       writel(data, i2c->regs + MXS_I2C_DATA);
-       }
-
-       /* Write out the remaining bytes if any */
-       shifts_left = 24 - (i & 3) * 8;
-       if (shifts_left)
-               writel(data >> shifts_left, i2c->regs + MXS_I2C_DATA);
-}
-
-/*
- * TODO: should be replaceable with a waitqueue and RD_QUEUE_IRQ (setting the
- * rd_threshold to 1). Couldn't get this to work, though.
- */
-static int mxs_i2c_wait_for_data(struct mxs_i2c_dev *i2c)
-{
-       unsigned long timeout = jiffies + msecs_to_jiffies(1000);
-
-       while (readl(i2c->regs + MXS_I2C_QUEUESTAT)
-                       & MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY) {
-                       if (time_after(jiffies, timeout))
-                               return -ETIMEDOUT;
-                       cond_resched();
-       }
-
-       return 0;
-}
-
-static int mxs_i2c_finish_read(struct mxs_i2c_dev *i2c, u8 *buf, int len)
-{
-       u32 uninitialized_var(data);
-       int i;
-
-       for (i = 0; i < len; i++) {
-               if ((i & 3) == 0) {
-                       if (mxs_i2c_wait_for_data(i2c))
-                               return -ETIMEDOUT;
-                       data = readl(i2c->regs + MXS_I2C_QUEUEDATA);
-               }
-               buf[i] = data & 0xff;
-               data >>= 8;
-       }
-
-       return 0;
 }
 
 static void mxs_i2c_dma_finish(struct mxs_i2c_dev *i2c)
@@ -432,39 +317,17 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
        init_completion(&i2c->cmd_complete);
        i2c->cmd_err = 0;
 
-       if (i2c->dma_mode) {
-               ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
-               if (ret)
-                       return ret;
-       } else {
-               if (msg->flags & I2C_M_RD) {
-                       mxs_i2c_pioq_setup_read(i2c, msg->addr,
-                                               msg->len, flags);
-               } else {
-                       mxs_i2c_pioq_setup_write(i2c, msg->addr, msg->buf,
-                                               msg->len, flags);
-               }
-
-               writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-                       i2c->regs + MXS_I2C_QUEUECTRL_SET);
-       }
+       ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
+       if (ret)
+               return ret;
 
        ret = wait_for_completion_timeout(&i2c->cmd_complete,
                                                msecs_to_jiffies(1000));
        if (ret == 0)
                goto timeout;
 
-       if (!i2c->dma_mode && !i2c->cmd_err && (msg->flags & I2C_M_RD)) {
-               ret = mxs_i2c_finish_read(i2c, msg->buf, msg->len);
-               if (ret)
-                       goto timeout;
-       }
-
        if (i2c->cmd_err == -ENXIO)
                mxs_i2c_reset(i2c);
-       else
-               writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-                               i2c->regs + MXS_I2C_QUEUECTRL_CLR);
 
        dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err);
 
@@ -472,8 +335,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 
 timeout:
        dev_dbg(i2c->dev, "Timeout!\n");
-       if (i2c->dma_mode)
-               mxs_i2c_dma_finish(i2c);
+       mxs_i2c_dma_finish(i2c);
        mxs_i2c_reset(i2c);
        return -ETIMEDOUT;
 }
@@ -502,7 +364,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 {
        struct mxs_i2c_dev *i2c = dev_id;
        u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK;
-       bool is_last_cmd;
 
        if (!stat)
                return IRQ_NONE;
@@ -515,14 +376,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
                /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */
                i2c->cmd_err = -EIO;
 
-       if (!i2c->dma_mode) {
-               is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) &
-                       MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0;
-
-               if (is_last_cmd || i2c->cmd_err)
-                       complete(&i2c->cmd_complete);
-       }
-
        writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR);
 
        return IRQ_HANDLED;
@@ -556,23 +409,14 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
        int ret;
 
        /*
-        * The MXS I2C DMA mode is prefered and enabled by default.
-        * The PIO mode is still supported, but should be used only
-        * for debuging purposes etc.
-        */
-       i2c->dma_mode = !use_pioqueue;
-       if (!i2c->dma_mode)
-               dev_info(dev, "Using PIOQUEUE mode for I2C transfers!\n");
-
-       /*
         * TODO: This is a temporary solution and should be changed
         * to use generic DMA binding later when the helpers get in.
         */
        ret = of_property_read_u32(node, "fsl,i2c-dma-channel",
                                   &i2c->dma_channel);
        if (ret) {
-               dev_warn(dev, "Failed to get DMA channel, using PIOQUEUE!\n");
-               i2c->dma_mode = 0;
+               dev_err(dev, "Failed to get DMA channel!\n");
+               return -ENODEV;
        }
 
        ret = of_property_read_u32(node, "clock-frequency", &speed);
@@ -634,15 +478,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
        }
 
        /* Setup the DMA */
-       if (i2c->dma_mode) {
-               dma_cap_zero(mask);
-               dma_cap_set(DMA_SLAVE, mask);
-               i2c->dma_data.chan_irq = dmairq;
-               i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c);
-               if (!i2c->dmach) {
-                       dev_err(dev, "Failed to request dma\n");
-                       return -ENODEV;
-               }
+       dma_cap_zero(mask);
+       dma_cap_set(DMA_SLAVE, mask);
+       i2c->dma_data.chan_irq = dmairq;
+       i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c);
+       if (!i2c->dmach) {
+               dev_err(dev, "Failed to request dma\n");
+               return -ENODEV;
        }
 
        platform_set_drvdata(pdev, i2c);
index 698d7ac..02c3115 100644 (file)
@@ -644,7 +644,11 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
 
        pm_runtime_get_sync(&dev->adev->dev);
 
-       clk_enable(dev->clk);
+       status = clk_prepare_enable(dev->clk);
+       if (status) {
+               dev_err(&dev->adev->dev, "can't prepare_enable clock\n");
+               goto out_clk;
+       }
 
        status = init_hw(dev);
        if (status)
@@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
        }
 
 out:
-       clk_disable(dev->clk);
+       clk_disable_unprepare(dev->clk);
+out_clk:
        pm_runtime_put_sync(&dev->adev->dev);
 
        dev->busy = false;
index f981ac4..dcea77b 100644 (file)
@@ -742,7 +742,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev)
        }
 
        ret = devm_request_irq(&pdev->dev, i2c_dev->irq,
-                       tegra_i2c_isr, 0, pdev->name, i2c_dev);
+                       tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev);
        if (ret) {
                dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq);
                return ret;
index 660bbc5..4d50da6 100644 (file)
@@ -208,7 +208,7 @@ static unsigned long exynos5250_dwmmc_caps[4] = {
        MMC_CAP_CMD23,
 };
 
-static struct dw_mci_drv_data exynos5250_drv_data = {
+static const struct dw_mci_drv_data exynos5250_drv_data = {
        .caps                   = exynos5250_dwmmc_caps,
        .init                   = dw_mci_exynos_priv_init,
        .setup_clock            = dw_mci_exynos_setup_clock,
@@ -220,14 +220,14 @@ static struct dw_mci_drv_data exynos5250_drv_data = {
 
 static const struct of_device_id dw_mci_exynos_match[] = {
        { .compatible = "samsung,exynos5250-dw-mshc",
-                       .data = (void *)&exynos5250_drv_data, },
+                       .data = &exynos5250_drv_data, },
        {},
 };
-MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
+MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
 
 int dw_mci_exynos_probe(struct platform_device *pdev)
 {
-       struct dw_mci_drv_data *drv_data;
+       const struct dw_mci_drv_data *drv_data;
        const struct of_device_id *match;
 
        match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node);
index c960ca7..917936b 100644 (file)
@@ -24,7 +24,7 @@
 #include "dw_mmc.h"
 
 int dw_mci_pltfm_register(struct platform_device *pdev,
-                               struct dw_mci_drv_data *drv_data)
+                               const struct dw_mci_drv_data *drv_data)
 {
        struct dw_mci *host;
        struct resource *regs;
@@ -50,8 +50,8 @@ int dw_mci_pltfm_register(struct platform_device *pdev,
        if (!host->regs)
                return -ENOMEM;
 
-       if (host->drv_data->init) {
-               ret = host->drv_data->init(host);
+       if (drv_data && drv_data->init) {
+               ret = drv_data->init(host);
                if (ret)
                        return ret;
        }
index 301f245..2ac37b8 100644 (file)
@@ -13,7 +13,7 @@
 #define _DW_MMC_PLTFM_H_
 
 extern int dw_mci_pltfm_register(struct platform_device *pdev,
-                               struct dw_mci_drv_data *drv_data);
+                               const struct dw_mci_drv_data *drv_data);
 extern int __devexit dw_mci_pltfm_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops dw_mci_pltfm_pmops;
 
index c2828f3..c0667c8 100644 (file)
@@ -232,6 +232,7 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
 {
        struct mmc_data *data;
        struct dw_mci_slot *slot = mmc_priv(mmc);
+       struct dw_mci_drv_data *drv_data = slot->host->drv_data;
        u32 cmdr;
        cmd->error = -EINPROGRESS;
 
@@ -261,8 +262,8 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
                        cmdr |= SDMMC_CMD_DAT_WR;
        }
 
-       if (slot->host->drv_data->prepare_command)
-               slot->host->drv_data->prepare_command(slot->host, &cmdr);
+       if (drv_data && drv_data->prepare_command)
+               drv_data->prepare_command(slot->host, &cmdr);
 
        return cmdr;
 }
@@ -434,7 +435,7 @@ static int dw_mci_idmac_init(struct dw_mci *host)
        return 0;
 }
 
-static struct dw_mci_dma_ops dw_mci_idmac_ops = {
+static const struct dw_mci_dma_ops dw_mci_idmac_ops = {
        .init = dw_mci_idmac_init,
        .start = dw_mci_idmac_start_dma,
        .stop = dw_mci_idmac_stop_dma,
@@ -772,6 +773,7 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
        struct dw_mci_slot *slot = mmc_priv(mmc);
+       struct dw_mci_drv_data *drv_data = slot->host->drv_data;
        u32 regs;
 
        /* set default 1 bit mode */
@@ -807,8 +809,8 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                slot->clock = ios->clock;
        }
 
-       if (slot->host->drv_data->set_ios)
-               slot->host->drv_data->set_ios(slot->host, ios);
+       if (drv_data && drv_data->set_ios)
+               drv_data->set_ios(slot->host, ios);
 
        switch (ios->power_mode) {
        case MMC_POWER_UP:
@@ -1815,6 +1817,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 {
        struct mmc_host *mmc;
        struct dw_mci_slot *slot;
+       struct dw_mci_drv_data *drv_data = host->drv_data;
        int ctrl_id, ret;
        u8 bus_width;
 
@@ -1854,8 +1857,8 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
        } else {
                ctrl_id = to_platform_device(host->dev)->id;
        }
-       if (host->drv_data && host->drv_data->caps)
-               mmc->caps |= host->drv_data->caps[ctrl_id];
+       if (drv_data && drv_data->caps)
+               mmc->caps |= drv_data->caps[ctrl_id];
 
        if (host->pdata->caps2)
                mmc->caps2 = host->pdata->caps2;
@@ -1867,10 +1870,10 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
        else
                bus_width = 1;
 
-       if (host->drv_data->setup_bus) {
+       if (drv_data && drv_data->setup_bus) {
                struct device_node *slot_np;
                slot_np = dw_mci_of_find_slot_node(host->dev, slot->id);
-               ret = host->drv_data->setup_bus(host, slot_np, bus_width);
+               ret = drv_data->setup_bus(host, slot_np, bus_width);
                if (ret)
                        goto err_setup_bus;
        }
@@ -1968,7 +1971,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
        /* Determine which DMA interface to use */
 #ifdef CONFIG_MMC_DW_IDMAC
        host->dma_ops = &dw_mci_idmac_ops;
-       dev_info(&host->dev, "Using internal DMA controller.\n");
+       dev_info(host->dev, "Using internal DMA controller.\n");
 #endif
 
        if (!host->dma_ops)
@@ -2035,6 +2038,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
        struct dw_mci_board *pdata;
        struct device *dev = host->dev;
        struct device_node *np = dev->of_node;
+       struct dw_mci_drv_data *drv_data = host->drv_data;
        int idx, ret;
 
        pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
@@ -2062,8 +2066,8 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
 
        of_property_read_u32(np, "card-detect-delay", &pdata->detect_delay_ms);
 
-       if (host->drv_data->parse_dt) {
-               ret = host->drv_data->parse_dt(host);
+       if (drv_data && drv_data->parse_dt) {
+               ret = drv_data->parse_dt(host);
                if (ret)
                        return ERR_PTR(ret);
        }
@@ -2080,6 +2084,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
 
 int dw_mci_probe(struct dw_mci *host)
 {
+       struct dw_mci_drv_data *drv_data = host->drv_data;
        int width, i, ret = 0;
        u32 fifo_size;
        int init_slots = 0;
@@ -2127,8 +2132,8 @@ int dw_mci_probe(struct dw_mci *host)
        else
                host->bus_hz = clk_get_rate(host->ciu_clk);
 
-       if (host->drv_data->setup_clock) {
-               ret = host->drv_data->setup_clock(host);
+       if (drv_data && drv_data->setup_clock) {
+               ret = drv_data->setup_clock(host);
                if (ret) {
                        dev_err(host->dev,
                                "implementation specific clock setup failed\n");
@@ -2228,6 +2233,21 @@ int dw_mci_probe(struct dw_mci *host)
        else
                host->num_slots = ((mci_readl(host, HCON) >> 1) & 0x1F) + 1;
 
+       /*
+        * Enable interrupts for command done, data over, data empty, card det,
+        * receive ready and error such as transmit, receive timeout, crc error
+        */
+       mci_writel(host, RINTSTS, 0xFFFFFFFF);
+       mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER |
+                  SDMMC_INT_TXDR | SDMMC_INT_RXDR |
+                  DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
+       mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */
+
+       dev_info(host->dev, "DW MMC controller at irq %d, "
+                "%d bit host data width, "
+                "%u deep fifo\n",
+                host->irq, width, fifo_size);
+
        /* We need at least one slot to succeed */
        for (i = 0; i < host->num_slots; i++) {
                ret = dw_mci_init_slot(host, i);
@@ -2257,20 +2277,6 @@ int dw_mci_probe(struct dw_mci *host)
        else
                host->data_offset = DATA_240A_OFFSET;
 
-       /*
-        * Enable interrupts for command done, data over, data empty, card det,
-        * receive ready and error such as transmit, receive timeout, crc error
-        */
-       mci_writel(host, RINTSTS, 0xFFFFFFFF);
-       mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER |
-                  SDMMC_INT_TXDR | SDMMC_INT_RXDR |
-                  DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
-       mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */
-
-       dev_info(host->dev, "DW MMC controller at irq %d, "
-                "%d bit host data width, "
-                "%u deep fifo\n",
-                host->irq, width, fifo_size);
        if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO)
                dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n");
 
index 565c2e4..6290b7f 100644 (file)
@@ -1134,4 +1134,4 @@ module_platform_driver(mxcmci_driver);
 MODULE_DESCRIPTION("i.MX Multimedia Card Interface Driver");
 MODULE_AUTHOR("Sascha Hauer, Pengutronix");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:imx-mmc");
+MODULE_ALIAS("platform:mxc-mmc");
index 54bfd0c..fedd258 100644 (file)
@@ -178,7 +178,8 @@ struct omap_hsmmc_host {
 
 static int omap_hsmmc_card_detect(struct device *dev, int slot)
 {
-       struct omap_mmc_platform_data *mmc = dev->platform_data;
+       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+       struct omap_mmc_platform_data *mmc = host->pdata;
 
        /* NOTE: assumes card detect signal is active-low */
        return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
@@ -186,7 +187,8 @@ static int omap_hsmmc_card_detect(struct device *dev, int slot)
 
 static int omap_hsmmc_get_wp(struct device *dev, int slot)
 {
-       struct omap_mmc_platform_data *mmc = dev->platform_data;
+       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+       struct omap_mmc_platform_data *mmc = host->pdata;
 
        /* NOTE: assumes write protect signal is active-high */
        return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
@@ -194,7 +196,8 @@ static int omap_hsmmc_get_wp(struct device *dev, int slot)
 
 static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
 {
-       struct omap_mmc_platform_data *mmc = dev->platform_data;
+       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+       struct omap_mmc_platform_data *mmc = host->pdata;
 
        /* NOTE: assumes card detect signal is active-low */
        return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
@@ -204,7 +207,8 @@ static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
 
 static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
 {
-       struct omap_mmc_platform_data *mmc = dev->platform_data;
+       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+       struct omap_mmc_platform_data *mmc = host->pdata;
 
        disable_irq(mmc->slots[0].card_detect_irq);
        return 0;
@@ -212,7 +216,8 @@ static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
 
 static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
 {
-       struct omap_mmc_platform_data *mmc = dev->platform_data;
+       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+       struct omap_mmc_platform_data *mmc = host->pdata;
 
        enable_irq(mmc->slots[0].card_detect_irq);
        return 0;
@@ -2009,9 +2014,9 @@ static int __devexit omap_hsmmc_remove(struct platform_device *pdev)
                clk_put(host->dbclk);
        }
 
-       mmc_free_host(host->mmc);
+       omap_hsmmc_gpio_free(host->pdata);
        iounmap(host->base);
-       omap_hsmmc_gpio_free(pdev->dev.platform_data);
+       mmc_free_host(host->mmc);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res)
index 90140eb..8fd50a2 100644 (file)
@@ -19,6 +19,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/err.h>
 #include <linux/io.h>
 #include <linux/clk.h>
 #include <linux/err.h>
@@ -84,30 +85,32 @@ static int __devinit sdhci_dove_probe(struct platform_device *pdev)
        struct sdhci_dove_priv *priv;
        int ret;
 
-       ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata);
-       if (ret)
-               goto sdhci_dove_register_fail;
-
        priv = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_dove_priv),
                            GFP_KERNEL);
        if (!priv) {
                dev_err(&pdev->dev, "unable to allocate private data");
-               ret = -ENOMEM;
-               goto sdhci_dove_allocate_fail;
+               return -ENOMEM;
        }
 
+       priv->clk = clk_get(&pdev->dev, NULL);
+       if (!IS_ERR(priv->clk))
+               clk_prepare_enable(priv->clk);
+
+       ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata);
+       if (ret)
+               goto sdhci_dove_register_fail;
+
        host = platform_get_drvdata(pdev);
        pltfm_host = sdhci_priv(host);
        pltfm_host->priv = priv;
 
-       priv->clk = clk_get(&pdev->dev, NULL);
-       if (!IS_ERR(priv->clk))
-               clk_prepare_enable(priv->clk);
        return 0;
 
-sdhci_dove_allocate_fail:
-       sdhci_pltfm_unregister(pdev);
 sdhci_dove_register_fail:
+       if (!IS_ERR(priv->clk)) {
+               clk_disable_unprepare(priv->clk);
+               clk_put(priv->clk);
+       }
        return ret;
 }
 
@@ -117,14 +120,13 @@ static int __devexit sdhci_dove_remove(struct platform_device *pdev)
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
        struct sdhci_dove_priv *priv = pltfm_host->priv;
 
-       if (priv->clk) {
-               if (!IS_ERR(priv->clk)) {
-                       clk_disable_unprepare(priv->clk);
-                       clk_put(priv->clk);
-               }
-               devm_kfree(&pdev->dev, priv->clk);
+       sdhci_pltfm_unregister(pdev);
+
+       if (!IS_ERR(priv->clk)) {
+               clk_disable_unprepare(priv->clk);
+               clk_put(priv->clk);
        }
-       return sdhci_pltfm_unregister(pdev);
+       return 0;
 }
 
 static const struct of_device_id sdhci_dove_of_match_table[] __devinitdata = {
index ae5fcbf..63d219f 100644 (file)
@@ -169,6 +169,16 @@ static void esdhc_of_resume(struct sdhci_host *host)
 }
 #endif
 
+static void esdhc_of_platform_init(struct sdhci_host *host)
+{
+       u32 vvn;
+
+       vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS);
+       vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
+       if (vvn == VENDOR_V_22)
+               host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
+}
+
 static struct sdhci_ops sdhci_esdhc_ops = {
        .read_l = esdhc_readl,
        .read_w = esdhc_readw,
@@ -180,6 +190,7 @@ static struct sdhci_ops sdhci_esdhc_ops = {
        .enable_dma = esdhc_of_enable_dma,
        .get_max_clock = esdhc_of_get_max_clock,
        .get_min_clock = esdhc_of_get_min_clock,
+       .platform_init = esdhc_of_platform_init,
 #ifdef CONFIG_PM
        .platform_suspend = esdhc_of_suspend,
        .platform_resume = esdhc_of_resume,
index 4bb74b0..04936f3 100644 (file)
@@ -1196,7 +1196,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
                return ERR_PTR(-ENODEV);
        }
 
-       if (pci_resource_len(pdev, bar) != 0x100) {
+       if (pci_resource_len(pdev, bar) < 0x100) {
                dev_err(&pdev->dev, "Invalid iomem size. You may "
                        "experience problems.\n");
        }
index 65551a9..2716445 100644 (file)
@@ -150,6 +150,13 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
                goto err_remap;
        }
 
+       /*
+        * Some platforms need to probe the controller to be able to
+        * determine which caps should be used.
+        */
+       if (host->ops && host->ops->platform_init)
+               host->ops->platform_init(host);
+
        platform_set_drvdata(pdev, host);
 
        return host;
index 2903949..a54dd5d 100644 (file)
@@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
        if (ourhost->cur_clk != best_src) {
                struct clk *clk = ourhost->clk_bus[best_src];
 
-               clk_enable(clk);
-               clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
+               clk_prepare_enable(clk);
+               clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
 
                /* turn clock off to card before changing clock source */
                writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -607,7 +607,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        }
 
        /* enable the local io clock and keep it running for the moment. */
-       clk_enable(sc->clk_io);
+       clk_prepare_enable(sc->clk_io);
 
        for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
                struct clk *clk;
@@ -638,7 +638,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        }
 
 #ifndef CONFIG_PM_RUNTIME
-       clk_enable(sc->clk_bus[sc->cur_clk]);
+       clk_prepare_enable(sc->clk_bus[sc->cur_clk]);
 #endif
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -747,13 +747,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
                sdhci_s3c_setup_card_detect_gpio(sc);
 
 #ifdef CONFIG_PM_RUNTIME
-       clk_disable(sc->clk_io);
+       if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+               clk_disable_unprepare(sc->clk_io);
 #endif
        return 0;
 
  err_req_regs:
 #ifndef CONFIG_PM_RUNTIME
-       clk_disable(sc->clk_bus[sc->cur_clk]);
+       clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
 #endif
        for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
                if (sc->clk_bus[ptr]) {
@@ -762,7 +763,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        }
 
  err_no_busclks:
-       clk_disable(sc->clk_io);
+       clk_disable_unprepare(sc->clk_io);
        clk_put(sc->clk_io);
 
  err_io_clk:
@@ -794,7 +795,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
                gpio_free(sc->ext_cd_gpio);
 
 #ifdef CONFIG_PM_RUNTIME
-       clk_enable(sc->clk_io);
+       if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+               clk_prepare_enable(sc->clk_io);
 #endif
        sdhci_remove_host(host, 1);
 
@@ -802,14 +804,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
        pm_runtime_disable(&pdev->dev);
 
 #ifndef CONFIG_PM_RUNTIME
-       clk_disable(sc->clk_bus[sc->cur_clk]);
+       clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
 #endif
        for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
                if (sc->clk_bus[ptr]) {
                        clk_put(sc->clk_bus[ptr]);
                }
        }
-       clk_disable(sc->clk_io);
+       clk_disable_unprepare(sc->clk_io);
        clk_put(sc->clk_io);
 
        if (pdev->dev.of_node) {
@@ -849,8 +851,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev)
 
        ret = sdhci_runtime_suspend_host(host);
 
-       clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
-       clk_disable(busclk);
+       clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
+       clk_disable_unprepare(busclk);
        return ret;
 }
 
@@ -861,8 +863,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev)
        struct clk *busclk = ourhost->clk_io;
        int ret;
 
-       clk_enable(busclk);
-       clk_enable(ourhost->clk_bus[ourhost->cur_clk]);
+       clk_prepare_enable(busclk);
+       clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);
        ret = sdhci_runtime_resume_host(host);
        return ret;
 }
index 7922adb..c7851c0 100644 (file)
@@ -1315,16 +1315,19 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
                 */
                if ((host->flags & SDHCI_NEEDS_RETUNING) &&
                    !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ))) {
-                       /* eMMC uses cmd21 while sd and sdio use cmd19 */
-                       tuning_opcode = mmc->card->type == MMC_TYPE_MMC ?
-                               MMC_SEND_TUNING_BLOCK_HS200 :
-                               MMC_SEND_TUNING_BLOCK;
-                       spin_unlock_irqrestore(&host->lock, flags);
-                       sdhci_execute_tuning(mmc, tuning_opcode);
-                       spin_lock_irqsave(&host->lock, flags);
-
-                       /* Restore original mmc_request structure */
-                       host->mrq = mrq;
+                       if (mmc->card) {
+                               /* eMMC uses cmd21 but sd and sdio use cmd19 */
+                               tuning_opcode =
+                                       mmc->card->type == MMC_TYPE_MMC ?
+                                       MMC_SEND_TUNING_BLOCK_HS200 :
+                                       MMC_SEND_TUNING_BLOCK;
+                               spin_unlock_irqrestore(&host->lock, flags);
+                               sdhci_execute_tuning(mmc, tuning_opcode);
+                               spin_lock_irqsave(&host->lock, flags);
+
+                               /* Restore original mmc_request structure */
+                               host->mrq = mrq;
+                       }
                }
 
                if (mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23))
@@ -2837,6 +2840,9 @@ int sdhci_add_host(struct sdhci_host *host)
        if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA))
                mmc->caps |= MMC_CAP_4_BIT_DATA;
 
+       if (host->quirks2 & SDHCI_QUIRK2_HOST_NO_CMD23)
+               mmc->caps &= ~MMC_CAP_CMD23;
+
        if (caps[0] & SDHCI_CAN_DO_HISPD)
                mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
 
@@ -2846,9 +2852,12 @@ int sdhci_add_host(struct sdhci_host *host)
 
        /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
        host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc");
-       if (IS_ERR(host->vqmmc)) {
-               pr_info("%s: no vqmmc regulator found\n", mmc_hostname(mmc));
-               host->vqmmc = NULL;
+       if (IS_ERR_OR_NULL(host->vqmmc)) {
+               if (PTR_ERR(host->vqmmc) < 0) {
+                       pr_info("%s: no vqmmc regulator found\n",
+                               mmc_hostname(mmc));
+                       host->vqmmc = NULL;
+               }
        }
        else if (regulator_is_supported_voltage(host->vqmmc, 1800000, 1800000))
                regulator_enable(host->vqmmc);
@@ -2904,9 +2913,12 @@ int sdhci_add_host(struct sdhci_host *host)
        ocr_avail = 0;
 
        host->vmmc = regulator_get(mmc_dev(mmc), "vmmc");
-       if (IS_ERR(host->vmmc)) {
-               pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc));
-               host->vmmc = NULL;
+       if (IS_ERR_OR_NULL(host->vmmc)) {
+               if (PTR_ERR(host->vmmc) < 0) {
+                       pr_info("%s: no vmmc regulator found\n",
+                               mmc_hostname(mmc));
+                       host->vmmc = NULL;
+               }
        } else
                regulator_enable(host->vmmc);
 
index 97653ea..71a4a7e 100644 (file)
@@ -278,6 +278,7 @@ struct sdhci_ops {
        void    (*hw_reset)(struct sdhci_host *host);
        void    (*platform_suspend)(struct sdhci_host *host);
        void    (*platform_resume)(struct sdhci_host *host);
+       void    (*platform_init)(struct sdhci_host *host);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
index 11d2bc3..d25bc97 100644 (file)
@@ -1466,9 +1466,9 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, NULL);
 
+       clk_disable(host->hclk);
        mmc_free_host(host->mmc);
        pm_runtime_put_sync(&pdev->dev);
-       clk_disable(host->hclk);
        pm_runtime_disable(&pdev->dev);
 
        return 0;
index 6241fd0..a543746 100644 (file)
@@ -320,10 +320,7 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
                } else
                        next = dev->bus_list.next;
 
-               /* Run device routines with the device locked */
-               device_lock(&dev->dev);
                retval = cb(dev, userdata);
-               device_unlock(&dev->dev);
                if (retval)
                        break;
        }
index 94c6e2a..6c94fc9 100644 (file)
@@ -398,6 +398,8 @@ static void pci_device_shutdown(struct device *dev)
        struct pci_dev *pci_dev = to_pci_dev(dev);
        struct pci_driver *drv = pci_dev->driver;
 
+       pm_runtime_resume(dev);
+
        if (drv && drv->shutdown)
                drv->shutdown(pci_dev);
        pci_msi_shutdown(pci_dev);
@@ -408,16 +410,6 @@ static void pci_device_shutdown(struct device *dev)
         * continue to do DMA
         */
        pci_disable_device(pci_dev);
-
-       /*
-        * Devices may be enabled to wake up by runtime PM, but they need not
-        * be supposed to wake up the system from its "power off" state (e.g.
-        * ACPI S5).  Therefore disable wakeup for all devices that aren't
-        * supposed to wake up the system at this point.  The state argument
-        * will be ignored by pci_enable_wake().
-        */
-       if (!device_may_wakeup(dev))
-               pci_enable_wake(pci_dev, PCI_UNKNOWN, false);
 }
 
 #ifdef CONFIG_PM
index 02d107b..f39378d 100644 (file)
@@ -458,40 +458,6 @@ boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf)
 }
 struct device_attribute vga_attr = __ATTR_RO(boot_vga);
 
-static void
-pci_config_pm_runtime_get(struct pci_dev *pdev)
-{
-       struct device *dev = &pdev->dev;
-       struct device *parent = dev->parent;
-
-       if (parent)
-               pm_runtime_get_sync(parent);
-       pm_runtime_get_noresume(dev);
-       /*
-        * pdev->current_state is set to PCI_D3cold during suspending,
-        * so wait until suspending completes
-        */
-       pm_runtime_barrier(dev);
-       /*
-        * Only need to resume devices in D3cold, because config
-        * registers are still accessible for devices suspended but
-        * not in D3cold.
-        */
-       if (pdev->current_state == PCI_D3cold)
-               pm_runtime_resume(dev);
-}
-
-static void
-pci_config_pm_runtime_put(struct pci_dev *pdev)
-{
-       struct device *dev = &pdev->dev;
-       struct device *parent = dev->parent;
-
-       pm_runtime_put(dev);
-       if (parent)
-               pm_runtime_put_sync(parent);
-}
-
 static ssize_t
 pci_read_config(struct file *filp, struct kobject *kobj,
                struct bin_attribute *bin_attr,
index 5485883..aabf647 100644 (file)
@@ -1858,6 +1858,38 @@ bool pci_dev_run_wake(struct pci_dev *dev)
 }
 EXPORT_SYMBOL_GPL(pci_dev_run_wake);
 
+void pci_config_pm_runtime_get(struct pci_dev *pdev)
+{
+       struct device *dev = &pdev->dev;
+       struct device *parent = dev->parent;
+
+       if (parent)
+               pm_runtime_get_sync(parent);
+       pm_runtime_get_noresume(dev);
+       /*
+        * pdev->current_state is set to PCI_D3cold during suspending,
+        * so wait until suspending completes
+        */
+       pm_runtime_barrier(dev);
+       /*
+        * Only need to resume devices in D3cold, because config
+        * registers are still accessible for devices suspended but
+        * not in D3cold.
+        */
+       if (pdev->current_state == PCI_D3cold)
+               pm_runtime_resume(dev);
+}
+
+void pci_config_pm_runtime_put(struct pci_dev *pdev)
+{
+       struct device *dev = &pdev->dev;
+       struct device *parent = dev->parent;
+
+       pm_runtime_put(dev);
+       if (parent)
+               pm_runtime_put_sync(parent);
+}
+
 /**
  * pci_pm_init - Initialize PM functions of given PCI device
  * @dev: PCI device to handle.
index bacbcba..fd92aab 100644 (file)
@@ -72,6 +72,8 @@ extern void pci_disable_enabled_device(struct pci_dev *dev);
 extern int pci_finish_runtime_suspend(struct pci_dev *dev);
 extern int __pci_pme_wakeup(struct pci_dev *dev, void *ign);
 extern void pci_wakeup_bus(struct pci_bus *bus);
+extern void pci_config_pm_runtime_get(struct pci_dev *dev);
+extern void pci_config_pm_runtime_put(struct pci_dev *dev);
 extern void pci_pm_init(struct pci_dev *dev);
 extern void platform_pci_wakeup_init(struct pci_dev *dev);
 extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
index 06bad96..af4e31c 100644 (file)
@@ -213,6 +213,7 @@ static int report_error_detected(struct pci_dev *dev, void *data)
        struct aer_broadcast_data *result_data;
        result_data = (struct aer_broadcast_data *) data;
 
+       device_lock(&dev->dev);
        dev->error_state = result_data->state;
 
        if (!dev->driver ||
@@ -231,12 +232,14 @@ static int report_error_detected(struct pci_dev *dev, void *data)
                                   dev->driver ?
                                   "no AER-aware driver" : "no driver");
                }
-               return 0;
+               goto out;
        }
 
        err_handler = dev->driver->err_handler;
        vote = err_handler->error_detected(dev, result_data->state);
        result_data->result = merge_result(result_data->result, vote);
+out:
+       device_unlock(&dev->dev);
        return 0;
 }
 
@@ -247,14 +250,17 @@ static int report_mmio_enabled(struct pci_dev *dev, void *data)
        struct aer_broadcast_data *result_data;
        result_data = (struct aer_broadcast_data *) data;
 
+       device_lock(&dev->dev);
        if (!dev->driver ||
                !dev->driver->err_handler ||
                !dev->driver->err_handler->mmio_enabled)
-               return 0;
+               goto out;
 
        err_handler = dev->driver->err_handler;
        vote = err_handler->mmio_enabled(dev);
        result_data->result = merge_result(result_data->result, vote);
+out:
+       device_unlock(&dev->dev);
        return 0;
 }
 
@@ -265,14 +271,17 @@ static int report_slot_reset(struct pci_dev *dev, void *data)
        struct aer_broadcast_data *result_data;
        result_data = (struct aer_broadcast_data *) data;
 
+       device_lock(&dev->dev);
        if (!dev->driver ||
                !dev->driver->err_handler ||
                !dev->driver->err_handler->slot_reset)
-               return 0;
+               goto out;
 
        err_handler = dev->driver->err_handler;
        vote = err_handler->slot_reset(dev);
        result_data->result = merge_result(result_data->result, vote);
+out:
+       device_unlock(&dev->dev);
        return 0;
 }
 
@@ -280,15 +289,18 @@ static int report_resume(struct pci_dev *dev, void *data)
 {
        const struct pci_error_handlers *err_handler;
 
+       device_lock(&dev->dev);
        dev->error_state = pci_channel_io_normal;
 
        if (!dev->driver ||
                !dev->driver->err_handler ||
                !dev->driver->err_handler->resume)
-               return 0;
+               goto out;
 
        err_handler = dev->driver->err_handler;
        err_handler->resume(dev);
+out:
+       device_unlock(&dev->dev);
        return 0;
 }
 
index d03a7a3..ed129b4 100644 (file)
@@ -272,7 +272,8 @@ static int get_port_device_capability(struct pci_dev *dev)
        }
 
        /* Hot-Plug Capable */
-       if (cap_mask & PCIE_PORT_SERVICE_HP) {
+       if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
+           dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) {
                pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
                if (reg32 & PCI_EXP_SLTCAP_HPC) {
                        services |= PCIE_PORT_SERVICE_HP;
index eb907a8..9b8505c 100644 (file)
@@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
        if (!access_ok(VERIFY_WRITE, buf, cnt))
                return -EINVAL;
 
+       pci_config_pm_runtime_get(dev);
+
        if ((pos & 1) && cnt) {
                unsigned char val;
                pci_user_read_config_byte(dev, pos, &val);
@@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
                cnt--;
        }
 
+       pci_config_pm_runtime_put(dev);
+
        *ppos = pos;
        return nbytes;
 }
@@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
        if (!access_ok(VERIFY_READ, buf, cnt))
                return -EINVAL;
 
+       pci_config_pm_runtime_get(dev);
+
        if ((pos & 1) && cnt) {
                unsigned char val;
                __get_user(val, buf);
@@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
                cnt--;
        }
 
+       pci_config_pm_runtime_put(dev);
+
        *ppos = pos;
        i_size_write(ino, dp->size);
        return nbytes;
index 7bf914d..d96caef 100644 (file)
@@ -179,11 +179,13 @@ config PINCTRL_COH901
 
 config PINCTRL_SAMSUNG
        bool "Samsung pinctrl driver"
+       depends on OF && GPIOLIB
        select PINMUX
        select PINCONF
 
 config PINCTRL_EXYNOS4
        bool "Pinctrl driver data for Exynos4 SoC"
+       depends on OF && GPIOLIB
        select PINCTRL_SAMSUNG
 
 config PINCTRL_MVEBU
index 5d4f44f..b1fd6ee 100644 (file)
@@ -244,7 +244,7 @@ static int spear_pinctrl_endisable(struct pinctrl_dev *pctldev,
                        else
                                temp = ~muxreg->val;
 
-                       val |= temp;
+                       val |= muxreg->mask & temp;
                        pmx_writel(pmx, val, muxreg->reg);
                }
        }
index d6cca8c..0436fc7 100644 (file)
@@ -25,8 +25,8 @@ static const struct pinctrl_pin_desc spear1310_pins[] = {
 };
 
 /* registers */
-#define PERIP_CFG                                      0x32C
-       #define MCIF_SEL_SHIFT                          3
+#define PERIP_CFG                                      0x3B0
+       #define MCIF_SEL_SHIFT                          5
        #define MCIF_SEL_SD                             (0x1 << MCIF_SEL_SHIFT)
        #define MCIF_SEL_CF                             (0x2 << MCIF_SEL_SHIFT)
        #define MCIF_SEL_XD                             (0x3 << MCIF_SEL_SHIFT)
@@ -164,6 +164,10 @@ static const struct pinctrl_pin_desc spear1310_pins[] = {
        #define PMX_SSP0_CS0_MASK                       (1 << 29)
        #define PMX_SSP0_CS1_2_MASK                     (1 << 30)
 
+#define PAD_DIRECTION_SEL_0                            0x65C
+#define PAD_DIRECTION_SEL_1                            0x660
+#define PAD_DIRECTION_SEL_2                            0x664
+
 /* combined macros */
 #define PMX_GMII_MASK          (PMX_GMIICLK_MASK |                     \
                                PMX_GMIICOL_CRS_XFERER_MIITXCLK_MASK |  \
@@ -237,6 +241,10 @@ static struct spear_muxreg i2c0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_I2C0_MASK,
                .val = PMX_I2C0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_I2C0_MASK,
+               .val = PMX_I2C0_MASK,
        },
 };
 
@@ -269,6 +277,10 @@ static struct spear_muxreg ssp0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_SSP0_MASK,
                .val = PMX_SSP0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_SSP0_MASK,
+               .val = PMX_SSP0_MASK,
        },
 };
 
@@ -294,6 +306,10 @@ static struct spear_muxreg ssp0_cs0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_SSP0_CS0_MASK,
                .val = PMX_SSP0_CS0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_SSP0_CS0_MASK,
+               .val = PMX_SSP0_CS0_MASK,
        },
 };
 
@@ -319,6 +335,10 @@ static struct spear_muxreg ssp0_cs1_2_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_SSP0_CS1_2_MASK,
                .val = PMX_SSP0_CS1_2_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_SSP0_CS1_2_MASK,
+               .val = PMX_SSP0_CS1_2_MASK,
        },
 };
 
@@ -352,6 +372,10 @@ static struct spear_muxreg i2s0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_I2S0_MASK,
                .val = PMX_I2S0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_I2S0_MASK,
+               .val = PMX_I2S0_MASK,
        },
 };
 
@@ -384,6 +408,10 @@ static struct spear_muxreg i2s1_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_I2S1_MASK,
                .val = PMX_I2S1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_I2S1_MASK,
+               .val = PMX_I2S1_MASK,
        },
 };
 
@@ -418,6 +446,10 @@ static struct spear_muxreg clcd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_CLCD1_MASK,
                .val = PMX_CLCD1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_CLCD1_MASK,
+               .val = PMX_CLCD1_MASK,
        },
 };
 
@@ -443,6 +475,10 @@ static struct spear_muxreg clcd_high_res_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_CLCD2_MASK,
                .val = PMX_CLCD2_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_CLCD2_MASK,
+               .val = PMX_CLCD2_MASK,
        },
 };
 
@@ -461,7 +497,7 @@ static struct spear_pingroup clcd_high_res_pingroup = {
        .nmodemuxs = ARRAY_SIZE(clcd_high_res_modemux),
 };
 
-static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res" };
+static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res_grp" };
 static struct spear_function clcd_function = {
        .name = "clcd",
        .groups = clcd_grps,
@@ -479,6 +515,14 @@ static struct spear_muxreg arm_gpio_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_EGPIO_1_GRP_MASK,
                .val = PMX_EGPIO_1_GRP_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_EGPIO_0_GRP_MASK,
+               .val = PMX_EGPIO_0_GRP_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_EGPIO_1_GRP_MASK,
+               .val = PMX_EGPIO_1_GRP_MASK,
        },
 };
 
@@ -511,6 +555,10 @@ static struct spear_muxreg smi_2_chips_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_SMI_MASK,
                .val = PMX_SMI_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_SMI_MASK,
+               .val = PMX_SMI_MASK,
        },
 };
 
@@ -539,6 +587,14 @@ static struct spear_muxreg smi_4_chips_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK,
                .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_SMI_MASK,
+               .val = PMX_SMI_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK,
+               .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK,
        },
 };
 
@@ -573,6 +629,10 @@ static struct spear_muxreg gmii_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_GMII_MASK,
                .val = PMX_GMII_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_GMII_MASK,
+               .val = PMX_GMII_MASK,
        },
 };
 
@@ -615,6 +675,18 @@ static struct spear_muxreg rgmii_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_RGMII_REG2_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_RGMII_REG0_MASK,
+               .val = PMX_RGMII_REG0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_RGMII_REG1_MASK,
+               .val = PMX_RGMII_REG1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_RGMII_REG2_MASK,
+               .val = PMX_RGMII_REG2_MASK,
        },
 };
 
@@ -649,6 +721,10 @@ static struct spear_muxreg smii_0_1_2_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_SMII_0_1_2_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_SMII_0_1_2_MASK,
+               .val = PMX_SMII_0_1_2_MASK,
        },
 };
 
@@ -681,6 +757,10 @@ static struct spear_muxreg ras_mii_txclk_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_NFCE2_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_NFCE2_MASK,
+               .val = PMX_NFCE2_MASK,
        },
 };
 
@@ -721,6 +801,14 @@ static struct spear_muxreg nand_8bit_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_NAND8BIT_1_MASK,
                .val = PMX_NAND8BIT_1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_NAND8BIT_0_MASK,
+               .val = PMX_NAND8BIT_0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_NAND8BIT_1_MASK,
+               .val = PMX_NAND8BIT_1_MASK,
        },
 };
 
@@ -747,6 +835,10 @@ static struct spear_muxreg nand_16bit_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_NAND16BIT_1_MASK,
                .val = PMX_NAND16BIT_1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_NAND16BIT_1_MASK,
+               .val = PMX_NAND16BIT_1_MASK,
        },
 };
 
@@ -772,6 +864,10 @@ static struct spear_muxreg nand_4_chips_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_NAND_4CHIPS_MASK,
                .val = PMX_NAND_4CHIPS_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_NAND_4CHIPS_MASK,
+               .val = PMX_NAND_4CHIPS_MASK,
        },
 };
 
@@ -833,6 +929,10 @@ static struct spear_muxreg keyboard_rowcol6_8_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_KBD_ROWCOL68_MASK,
                .val = PMX_KBD_ROWCOL68_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_KBD_ROWCOL68_MASK,
+               .val = PMX_KBD_ROWCOL68_MASK,
        },
 };
 
@@ -866,6 +966,10 @@ static struct spear_muxreg uart0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_UART0_MASK,
                .val = PMX_UART0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_UART0_MASK,
+               .val = PMX_UART0_MASK,
        },
 };
 
@@ -891,6 +995,10 @@ static struct spear_muxreg uart0_modem_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_UART0_MODEM_MASK,
                .val = PMX_UART0_MODEM_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_UART0_MODEM_MASK,
+               .val = PMX_UART0_MODEM_MASK,
        },
 };
 
@@ -923,6 +1031,10 @@ static struct spear_muxreg gpt0_tmr0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_GPT0_TMR0_MASK,
                .val = PMX_GPT0_TMR0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_GPT0_TMR0_MASK,
+               .val = PMX_GPT0_TMR0_MASK,
        },
 };
 
@@ -948,6 +1060,10 @@ static struct spear_muxreg gpt0_tmr1_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_GPT0_TMR1_MASK,
                .val = PMX_GPT0_TMR1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_GPT0_TMR1_MASK,
+               .val = PMX_GPT0_TMR1_MASK,
        },
 };
 
@@ -980,6 +1096,10 @@ static struct spear_muxreg gpt1_tmr0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_GPT1_TMR0_MASK,
                .val = PMX_GPT1_TMR0_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_GPT1_TMR0_MASK,
+               .val = PMX_GPT1_TMR0_MASK,
        },
 };
 
@@ -1005,6 +1125,10 @@ static struct spear_muxreg gpt1_tmr1_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_GPT1_TMR1_MASK,
                .val = PMX_GPT1_TMR1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_GPT1_TMR1_MASK,
+               .val = PMX_GPT1_TMR1_MASK,
        },
 };
 
@@ -1049,6 +1173,20 @@ static const unsigned mcif_pins[] = { 86, 87, 88, 89, 90, 91, 92, 93, 213, 214,
                .reg = PAD_FUNCTION_EN_2,                       \
                .mask = PMX_MCIFALL_2_MASK,                     \
                .val = PMX_MCIFALL_2_MASK,                      \
+       }, {                                                    \
+               .reg = PAD_DIRECTION_SEL_0,                     \
+               .mask = PMX_MCI_DATA8_15_MASK,                  \
+               .val = PMX_MCI_DATA8_15_MASK,                   \
+       }, {                                                    \
+               .reg = PAD_DIRECTION_SEL_1,                     \
+               .mask = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK | \
+                       PMX_NFWPRT2_MASK,                       \
+               .val = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK |  \
+                       PMX_NFWPRT2_MASK,                       \
+       }, {                                                    \
+               .reg = PAD_DIRECTION_SEL_2,                     \
+               .mask = PMX_MCIFALL_2_MASK,                     \
+               .val = PMX_MCIFALL_2_MASK,                      \
        }
 
 /* sdhci device */
@@ -1154,6 +1292,10 @@ static struct spear_muxreg touch_xy_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_TOUCH_XY_MASK,
                .val = PMX_TOUCH_XY_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_TOUCH_XY_MASK,
+               .val = PMX_TOUCH_XY_MASK,
        },
 };
 
@@ -1187,6 +1329,10 @@ static struct spear_muxreg uart1_dis_i2c_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_I2C0_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_I2C0_MASK,
+               .val = PMX_I2C0_MASK,
        },
 };
 
@@ -1213,6 +1359,12 @@ static struct spear_muxreg uart1_dis_sd_muxreg[] = {
                .mask = PMX_MCIDATA1_MASK |
                        PMX_MCIDATA2_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_MCIDATA1_MASK |
+                       PMX_MCIDATA2_MASK,
+               .val = PMX_MCIDATA1_MASK |
+                       PMX_MCIDATA2_MASK,
        },
 };
 
@@ -1246,6 +1398,10 @@ static struct spear_muxreg uart2_3_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_I2S0_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_I2S0_MASK,
+               .val = PMX_I2S0_MASK,
        },
 };
 
@@ -1278,6 +1434,10 @@ static struct spear_muxreg uart4_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK,
+               .val = PMX_I2S0_MASK | PMX_CLCD1_MASK,
        },
 };
 
@@ -1310,6 +1470,10 @@ static struct spear_muxreg uart5_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_CLCD1_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_CLCD1_MASK,
+               .val = PMX_CLCD1_MASK,
        },
 };
 
@@ -1344,6 +1508,10 @@ static struct spear_muxreg rs485_0_1_tdm_0_1_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_CLCD1_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_CLCD1_MASK,
+               .val = PMX_CLCD1_MASK,
        },
 };
 
@@ -1376,6 +1544,10 @@ static struct spear_muxreg i2c_1_2_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_CLCD1_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_CLCD1_MASK,
+               .val = PMX_CLCD1_MASK,
        },
 };
 
@@ -1409,6 +1581,10 @@ static struct spear_muxreg i2c3_dis_smi_clcd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_CLCD1_MASK | PMX_SMI_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_CLCD1_MASK | PMX_SMI_MASK,
+               .val = PMX_CLCD1_MASK | PMX_SMI_MASK,
        },
 };
 
@@ -1435,6 +1611,10 @@ static struct spear_muxreg i2c3_dis_sd_i2s0_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK,
+               .val = PMX_I2S1_MASK | PMX_MCIDATA3_MASK,
        },
 };
 
@@ -1469,6 +1649,10 @@ static struct spear_muxreg i2c_4_5_dis_smi_muxreg[] = {
                .reg = PAD_FUNCTION_EN_0,
                .mask = PMX_SMI_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_SMI_MASK,
+               .val = PMX_SMI_MASK,
        },
 };
 
@@ -1499,6 +1683,14 @@ static struct spear_muxreg i2c4_dis_sd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_MCIDATA5_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_MCIDATA4_MASK,
+               .val = PMX_MCIDATA4_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCIDATA5_MASK,
+               .val = PMX_MCIDATA5_MASK,
        },
 };
 
@@ -1526,6 +1718,12 @@ static struct spear_muxreg i2c5_dis_sd_muxreg[] = {
                .mask = PMX_MCIDATA6_MASK |
                        PMX_MCIDATA7_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCIDATA6_MASK |
+                       PMX_MCIDATA7_MASK,
+               .val = PMX_MCIDATA6_MASK |
+                       PMX_MCIDATA7_MASK,
        },
 };
 
@@ -1560,6 +1758,10 @@ static struct spear_muxreg i2c_6_7_dis_kbd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_KBD_ROWCOL25_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_KBD_ROWCOL25_MASK,
+               .val = PMX_KBD_ROWCOL25_MASK,
        },
 };
 
@@ -1587,6 +1789,12 @@ static struct spear_muxreg i2c6_dis_sd_muxreg[] = {
                .mask = PMX_MCIIORDRE_MASK |
                        PMX_MCIIOWRWE_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCIIORDRE_MASK |
+                       PMX_MCIIOWRWE_MASK,
+               .val = PMX_MCIIORDRE_MASK |
+                       PMX_MCIIOWRWE_MASK,
        },
 };
 
@@ -1613,6 +1821,12 @@ static struct spear_muxreg i2c7_dis_sd_muxreg[] = {
                .mask = PMX_MCIRESETCF_MASK |
                        PMX_MCICS0CE_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCIRESETCF_MASK |
+                       PMX_MCICS0CE_MASK,
+               .val = PMX_MCIRESETCF_MASK |
+                       PMX_MCICS0CE_MASK,
        },
 };
 
@@ -1651,6 +1865,14 @@ static struct spear_muxreg can0_dis_nor_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_NFRSTPWDWN3_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_NFRSTPWDWN2_MASK,
+               .val = PMX_NFRSTPWDWN2_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_NFRSTPWDWN3_MASK,
+               .val = PMX_NFRSTPWDWN3_MASK,
        },
 };
 
@@ -1677,6 +1899,10 @@ static struct spear_muxreg can0_dis_sd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK,
+               .val = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK,
        },
 };
 
@@ -1711,6 +1937,10 @@ static struct spear_muxreg can1_dis_sd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_2,
                .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK,
+               .val = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK,
        },
 };
 
@@ -1737,6 +1967,10 @@ static struct spear_muxreg can1_dis_kbd_muxreg[] = {
                .reg = PAD_FUNCTION_EN_1,
                .mask = PMX_KBD_ROWCOL25_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_KBD_ROWCOL25_MASK,
+               .val = PMX_KBD_ROWCOL25_MASK,
        },
 };
 
@@ -1763,29 +1997,64 @@ static struct spear_function can1_function = {
        .ngroups = ARRAY_SIZE(can1_grps),
 };
 
-/* Pad multiplexing for pci device */
-static const unsigned pci_sata_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18,
+/* Pad multiplexing for (ras-ip) pci device */
+static const unsigned pci_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18,
        19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
        37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
        55, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 };
-#define PCI_SATA_MUXREG                                \
-       {                                       \
-               .reg = PAD_FUNCTION_EN_0,       \
-               .mask = PMX_MCI_DATA8_15_MASK,  \
-               .val = 0,                       \
-       }, {                                    \
-               .reg = PAD_FUNCTION_EN_1,       \
-               .mask = PMX_PCI_REG1_MASK,      \
-               .val = 0,                       \
-       }, {                                    \
-               .reg = PAD_FUNCTION_EN_2,       \
-               .mask = PMX_PCI_REG2_MASK,      \
-               .val = 0,                       \
-       }
 
-/* pad multiplexing for pcie0 device */
+static struct spear_muxreg pci_muxreg[] = {
+       {
+               .reg = PAD_FUNCTION_EN_0,
+               .mask = PMX_MCI_DATA8_15_MASK,
+               .val = 0,
+       }, {
+               .reg = PAD_FUNCTION_EN_1,
+               .mask = PMX_PCI_REG1_MASK,
+               .val = 0,
+       }, {
+               .reg = PAD_FUNCTION_EN_2,
+               .mask = PMX_PCI_REG2_MASK,
+               .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_0,
+               .mask = PMX_MCI_DATA8_15_MASK,
+               .val = PMX_MCI_DATA8_15_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_PCI_REG1_MASK,
+               .val = PMX_PCI_REG1_MASK,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_PCI_REG2_MASK,
+               .val = PMX_PCI_REG2_MASK,
+       },
+};
+
+static struct spear_modemux pci_modemux[] = {
+       {
+               .muxregs = pci_muxreg,
+               .nmuxregs = ARRAY_SIZE(pci_muxreg),
+       },
+};
+
+static struct spear_pingroup pci_pingroup = {
+       .name = "pci_grp",
+       .pins = pci_pins,
+       .npins = ARRAY_SIZE(pci_pins),
+       .modemuxs = pci_modemux,
+       .nmodemuxs = ARRAY_SIZE(pci_modemux),
+};
+
+static const char *const pci_grps[] = { "pci_grp" };
+static struct spear_function pci_function = {
+       .name = "pci",
+       .groups = pci_grps,
+       .ngroups = ARRAY_SIZE(pci_grps),
+};
+
+/* pad multiplexing for (fix-part) pcie0 device */
 static struct spear_muxreg pcie0_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = PCIE_CFG_VAL(0),
@@ -1802,15 +2071,12 @@ static struct spear_modemux pcie0_modemux[] = {
 
 static struct spear_pingroup pcie0_pingroup = {
        .name = "pcie0_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = pcie0_modemux,
        .nmodemuxs = ARRAY_SIZE(pcie0_modemux),
 };
 
-/* pad multiplexing for pcie1 device */
+/* pad multiplexing for (fix-part) pcie1 device */
 static struct spear_muxreg pcie1_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = PCIE_CFG_VAL(1),
@@ -1827,15 +2093,12 @@ static struct spear_modemux pcie1_modemux[] = {
 
 static struct spear_pingroup pcie1_pingroup = {
        .name = "pcie1_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = pcie1_modemux,
        .nmodemuxs = ARRAY_SIZE(pcie1_modemux),
 };
 
-/* pad multiplexing for pcie2 device */
+/* pad multiplexing for (fix-part) pcie2 device */
 static struct spear_muxreg pcie2_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = PCIE_CFG_VAL(2),
@@ -1852,22 +2115,20 @@ static struct spear_modemux pcie2_modemux[] = {
 
 static struct spear_pingroup pcie2_pingroup = {
        .name = "pcie2_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = pcie2_modemux,
        .nmodemuxs = ARRAY_SIZE(pcie2_modemux),
 };
 
-static const char *const pci_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp" };
-static struct spear_function pci_function = {
-       .name = "pci",
-       .groups = pci_grps,
-       .ngroups = ARRAY_SIZE(pci_grps),
+static const char *const pcie_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp"
+};
+static struct spear_function pcie_function = {
+       .name = "pci_express",
+       .groups = pcie_grps,
+       .ngroups = ARRAY_SIZE(pcie_grps),
 };
 
 /* pad multiplexing for sata0 device */
 static struct spear_muxreg sata0_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = SATA_CFG_VAL(0),
@@ -1884,15 +2145,12 @@ static struct spear_modemux sata0_modemux[] = {
 
 static struct spear_pingroup sata0_pingroup = {
        .name = "sata0_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = sata0_modemux,
        .nmodemuxs = ARRAY_SIZE(sata0_modemux),
 };
 
 /* pad multiplexing for sata1 device */
 static struct spear_muxreg sata1_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = SATA_CFG_VAL(1),
@@ -1909,15 +2167,12 @@ static struct spear_modemux sata1_modemux[] = {
 
 static struct spear_pingroup sata1_pingroup = {
        .name = "sata1_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = sata1_modemux,
        .nmodemuxs = ARRAY_SIZE(sata1_modemux),
 };
 
 /* pad multiplexing for sata2 device */
 static struct spear_muxreg sata2_muxreg[] = {
-       PCI_SATA_MUXREG,
        {
                .reg = PCIE_SATA_CFG,
                .mask = SATA_CFG_VAL(2),
@@ -1934,8 +2189,6 @@ static struct spear_modemux sata2_modemux[] = {
 
 static struct spear_pingroup sata2_pingroup = {
        .name = "sata2_grp",
-       .pins = pci_sata_pins,
-       .npins = ARRAY_SIZE(pci_sata_pins),
        .modemuxs = sata2_modemux,
        .nmodemuxs = ARRAY_SIZE(sata2_modemux),
 };
@@ -1957,6 +2210,14 @@ static struct spear_muxreg ssp1_dis_kbd_muxreg[] = {
                        PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK |
                        PMX_NFCE2_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_1,
+               .mask = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK |
+                       PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK |
+                       PMX_NFCE2_MASK,
+               .val = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK |
+                       PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK |
+                       PMX_NFCE2_MASK,
        },
 };
 
@@ -1983,6 +2244,12 @@ static struct spear_muxreg ssp1_dis_sd_muxreg[] = {
                .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK |
                        PMX_MCICECF_MASK | PMX_MCICEXD_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK |
+                       PMX_MCICECF_MASK | PMX_MCICEXD_MASK,
+               .val = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK |
+                       PMX_MCICECF_MASK | PMX_MCICEXD_MASK,
        },
 };
 
@@ -2017,6 +2284,12 @@ static struct spear_muxreg gpt64_muxreg[] = {
                .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK
                        | PMX_MCILEDS_MASK,
                .val = 0,
+       }, {
+               .reg = PAD_DIRECTION_SEL_2,
+               .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK
+                       | PMX_MCILEDS_MASK,
+               .val = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK
+                       | PMX_MCILEDS_MASK,
        },
 };
 
@@ -2093,6 +2366,7 @@ static struct spear_pingroup *spear1310_pingroups[] = {
        &can0_dis_sd_pingroup,
        &can1_dis_sd_pingroup,
        &can1_dis_kbd_pingroup,
+       &pci_pingroup,
        &pcie0_pingroup,
        &pcie1_pingroup,
        &pcie2_pingroup,
@@ -2138,6 +2412,7 @@ static struct spear_function *spear1310_functions[] = {
        &can0_function,
        &can1_function,
        &pci_function,
+       &pcie_function,
        &sata_function,
        &ssp1_function,
        &gpt64_function,
index a0eb057..0606b8c 100644 (file)
@@ -213,7 +213,7 @@ static const struct pinctrl_pin_desc spear1340_pins[] = {
  * Pad multiplexing for making all pads as gpio's. This is done to override the
  * values passed from bootloader and start from scratch.
  */
-static const unsigned pads_as_gpio_pins[] = { 251 };
+static const unsigned pads_as_gpio_pins[] = { 12, 88, 89, 251 };
 static struct spear_muxreg pads_as_gpio_muxreg[] = {
        {
                .reg = PAD_FUNCTION_EN_1,
@@ -1692,7 +1692,43 @@ static struct spear_pingroup clcd_pingroup = {
        .nmodemuxs = ARRAY_SIZE(clcd_modemux),
 };
 
-static const char *const clcd_grps[] = { "clcd_grp" };
+/* Disable cld runtime to save panel damage */
+static struct spear_muxreg clcd_sleep_muxreg[] = {
+       {
+               .reg = PAD_SHARED_IP_EN_1,
+               .mask = ARM_TRACE_MASK | MIPHY_DBG_MASK,
+               .val = 0,
+       }, {
+               .reg = PAD_FUNCTION_EN_5,
+               .mask = CLCD_REG4_MASK | CLCD_AND_ARM_TRACE_REG4_MASK,
+               .val = 0x0,
+       }, {
+               .reg = PAD_FUNCTION_EN_6,
+               .mask = CLCD_AND_ARM_TRACE_REG5_MASK,
+               .val = 0x0,
+       }, {
+               .reg = PAD_FUNCTION_EN_7,
+               .mask = CLCD_AND_ARM_TRACE_REG6_MASK,
+               .val = 0x0,
+       },
+};
+
+static struct spear_modemux clcd_sleep_modemux[] = {
+       {
+               .muxregs = clcd_sleep_muxreg,
+               .nmuxregs = ARRAY_SIZE(clcd_sleep_muxreg),
+       },
+};
+
+static struct spear_pingroup clcd_sleep_pingroup = {
+       .name = "clcd_sleep_grp",
+       .pins = clcd_pins,
+       .npins = ARRAY_SIZE(clcd_pins),
+       .modemuxs = clcd_sleep_modemux,
+       .nmodemuxs = ARRAY_SIZE(clcd_sleep_modemux),
+};
+
+static const char *const clcd_grps[] = { "clcd_grp", "clcd_sleep_grp" };
 static struct spear_function clcd_function = {
        .name = "clcd",
        .groups = clcd_grps,
@@ -1893,6 +1929,7 @@ static struct spear_pingroup *spear1340_pingroups[] = {
        &sdhci_pingroup,
        &cf_pingroup,
        &xd_pingroup,
+       &clcd_sleep_pingroup,
        &clcd_pingroup,
        &arm_trace_pingroup,
        &miphy_dbg_pingroup,
index 020b1e0..ca47b0e 100644 (file)
@@ -2240,6 +2240,10 @@ static struct spear_muxreg pwm2_pin_34_muxreg[] = {
                .mask = PMX_SSP_CS_MASK,
                .val = 0,
        }, {
+               .reg = MODE_CONFIG_REG,
+               .mask = PMX_PWM_MASK,
+               .val = PMX_PWM_MASK,
+       }, {
                .reg = IP_SEL_PAD_30_39_REG,
                .mask = PMX_PL_34_MASK,
                .val = PMX_PWM2_PL_34_VAL,
@@ -2956,9 +2960,9 @@ static struct spear_function mii2_function = {
 };
 
 /* Pad multiplexing for cadence mii 1_2 as smii or rmii device */
-static const unsigned smii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20,
+static const unsigned rmii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20,
        21, 22, 23, 24, 25, 26, 27 };
-static const unsigned rmii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 };
+static const unsigned smii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 };
 static struct spear_muxreg mii0_1_muxreg[] = {
        {
                .reg = PMX_CONFIG_REG,
index 31f4434..7860b36 100644 (file)
@@ -15,6 +15,7 @@
 #include "pinctrl-spear.h"
 
 /* pad mux declarations */
+#define PMX_PWM_MASK           (1 << 16)
 #define PMX_FIRDA_MASK         (1 << 14)
 #define PMX_I2C_MASK           (1 << 13)
 #define PMX_SSP_CS_MASK                (1 << 12)
index 33bb4d8..4af3dfe 100644 (file)
@@ -112,9 +112,6 @@ extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
 extern void css_reiterate_subchannels(void);
 void css_update_ssd_info(struct subchannel *sch);
 
-#define __MAX_SUBCHANNEL 65535
-#define __MAX_SSID 3
-
 struct channel_subsystem {
        u8 cssid;
        int valid;
index fc916f5..fd3143c 100644 (file)
@@ -1424,7 +1424,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
        }
        if (device_is_disconnected(cdev))
                return IO_SCH_REPROBE;
-       if (cdev->online)
+       if (cdev->online && !cdev->private->flags.resuming)
                return IO_SCH_VERIFY;
        if (cdev->private->state == DEV_STATE_NOT_OPER)
                return IO_SCH_UNREG_ATTACH;
@@ -1469,12 +1469,6 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
                rc = 0;
                goto out_unlock;
        case IO_SCH_VERIFY:
-               if (cdev->private->flags.resuming == 1) {
-                       if (cio_enable_subchannel(sch, (u32)(addr_t)sch)) {
-                               ccw_device_set_notoper(cdev);
-                               break;
-                       }
-               }
                /* Trigger path verification. */
                io_subchannel_verify(sch);
                rc = 0;
index 199bc67..65d13e3 100644 (file)
@@ -125,8 +125,7 @@ int idset_is_empty(struct idset *set)
 
 void idset_add_set(struct idset *to, struct idset *from)
 {
-       int len = min(__BITOPS_WORDS(to->num_ssid * to->num_id),
-                     __BITOPS_WORDS(from->num_ssid * from->num_id));
+       int len = min(to->num_ssid * to->num_id, from->num_ssid * from->num_id);
 
        bitmap_or(to->bitmap, to->bitmap, from->bitmap, len);
 }
index b191dd5..71fddbc 100644 (file)
@@ -1294,26 +1294,19 @@ static struct scsi_host_template qpti_template = {
 static const struct of_device_id qpti_match[];
 static int __devinit qpti_sbus_probe(struct platform_device *op)
 {
-       const struct of_device_id *match;
-       struct scsi_host_template *tpnt;
        struct device_node *dp = op->dev.of_node;
        struct Scsi_Host *host;
        struct qlogicpti *qpti;
        static int nqptis;
        const char *fcode;
 
-       match = of_match_device(qpti_match, &op->dev);
-       if (!match)
-               return -EINVAL;
-       tpnt = match->data;
-
        /* Sometimes Antares cards come up not completely
         * setup, and we get a report of a zero IRQ.
         */
        if (op->archdata.irqs[0] == 0)
                return -ENODEV;
 
-       host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
+       host = scsi_host_alloc(&qpti_template, sizeof(struct qlogicpti));
        if (!host)
                return -ENOMEM;
 
@@ -1445,19 +1438,15 @@ static int __devexit qpti_sbus_remove(struct platform_device *op)
 static const struct of_device_id qpti_match[] = {
        {
                .name = "ptisp",
-               .data = &qpti_template,
        },
        {
                .name = "PTI,ptisp",
-               .data = &qpti_template,
        },
        {
                .name = "QLGC,isp",
-               .data = &qpti_template,
        },
        {
                .name = "SUNW,isp",
-               .data = &qpti_template,
        },
        {},
 };
index fd03e85..6dd29e4 100644 (file)
@@ -815,7 +815,7 @@ static struct platform_device_id exynos_tmu_driver_ids[] = {
        },
        { },
 };
-MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids);
+MODULE_DEVICE_TABLE(platform, exynos_tmu_driver_ids);
 
 static inline struct  exynos_tmu_platform_data *exynos_get_driver_data(
                        struct platform_device *pdev)
index d445271..f7a1b57 100644 (file)
@@ -210,7 +210,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                goto error_free_priv;
        }
 
-       zone = thermal_zone_device_register("rcar_thermal", 0, priv,
+       zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv,
                                            &rcar_thermal_zone_ops, 0, 0);
        if (IS_ERR(zone)) {
                dev_err(&pdev->dev, "thermal zone device is NULL\n");
index 1e8659c..809b0de 100644 (file)
@@ -225,8 +225,10 @@ EXPORT_SYMBOL_GPL(register_virtio_device);
 
 void unregister_virtio_device(struct virtio_device *dev)
 {
+       int index = dev->index; /* save for after device release */
+
        device_unregister(&dev->dev);
-       ida_simple_remove(&virtio_index_ida, dev->index);
+       ida_simple_remove(&virtio_index_ida, index);
 }
 EXPORT_SYMBOL_GPL(unregister_virtio_device);
 
index 0e86370..7435470 100644 (file)
@@ -2,6 +2,7 @@ ifneq ($(CONFIG_ARM),y)
 obj-y  += manage.o balloon.o
 obj-$(CONFIG_HOTPLUG_CPU)              += cpu_hotplug.o
 endif
+obj-$(CONFIG_X86)                      += fallback.o
 obj-y  += grant-table.o features.o events.o
 obj-y  += xenbus/
 
index 912ac81..0be4df3 100644 (file)
@@ -1395,10 +1395,10 @@ void xen_evtchn_do_upcall(struct pt_regs *regs)
 {
        struct pt_regs *old_regs = set_irq_regs(regs);
 
+       irq_enter();
 #ifdef CONFIG_X86
        exit_idle();
 #endif
-       irq_enter();
 
        __xen_evtchn_do_upcall();
 
diff --git a/drivers/xen/fallback.c b/drivers/xen/fallback.c
new file mode 100644 (file)
index 0000000..0ef7c4d
--- /dev/null
@@ -0,0 +1,80 @@
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/bug.h>
+#include <linux/export.h>
+#include <asm/hypervisor.h>
+#include <asm/xen/hypercall.h>
+
+int xen_event_channel_op_compat(int cmd, void *arg)
+{
+       struct evtchn_op op;
+       int rc;
+
+       op.cmd = cmd;
+       memcpy(&op.u, arg, sizeof(op.u));
+       rc = _hypercall1(int, event_channel_op_compat, &op);
+
+       switch (cmd) {
+       case EVTCHNOP_close:
+       case EVTCHNOP_send:
+       case EVTCHNOP_bind_vcpu:
+       case EVTCHNOP_unmask:
+               /* no output */
+               break;
+
+#define COPY_BACK(eop) \
+       case EVTCHNOP_##eop: \
+               memcpy(arg, &op.u.eop, sizeof(op.u.eop)); \
+               break
+
+       COPY_BACK(bind_interdomain);
+       COPY_BACK(bind_virq);
+       COPY_BACK(bind_pirq);
+       COPY_BACK(status);
+       COPY_BACK(alloc_unbound);
+       COPY_BACK(bind_ipi);
+#undef COPY_BACK
+
+       default:
+               WARN_ON(rc != -ENOSYS);
+               break;
+       }
+
+       return rc;
+}
+EXPORT_SYMBOL_GPL(xen_event_channel_op_compat);
+
+int HYPERVISOR_physdev_op_compat(int cmd, void *arg)
+{
+       struct physdev_op op;
+       int rc;
+
+       op.cmd = cmd;
+       memcpy(&op.u, arg, sizeof(op.u));
+       rc = _hypercall1(int, physdev_op_compat, &op);
+
+       switch (cmd) {
+       case PHYSDEVOP_IRQ_UNMASK_NOTIFY:
+       case PHYSDEVOP_set_iopl:
+       case PHYSDEVOP_set_iobitmap:
+       case PHYSDEVOP_apic_write:
+               /* no output */
+               break;
+
+#define COPY_BACK(pop, fld) \
+       case PHYSDEVOP_##pop: \
+               memcpy(arg, &op.u.fld, sizeof(op.u.fld)); \
+               break
+
+       COPY_BACK(irq_status_query, irq_status_query);
+       COPY_BACK(apic_read, apic_op);
+       COPY_BACK(ASSIGN_VECTOR, irq_op);
+#undef COPY_BACK
+
+       default:
+               WARN_ON(rc != -ENOSYS);
+               break;
+       }
+
+       return rc;
+}
index fc783e2..0fb15bb 100644 (file)
@@ -225,6 +225,13 @@ sid_to_str(struct cifs_sid *sidptr, char *sidstr)
 }
 
 static void
+cifs_copy_sid(struct cifs_sid *dst, const struct cifs_sid *src)
+{
+       memcpy(dst, src, sizeof(*dst));
+       dst->num_subauth = min_t(u8, src->num_subauth, NUM_SUBAUTHS);
+}
+
+static void
 id_rb_insert(struct rb_root *root, struct cifs_sid *sidptr,
                struct cifs_sid_id **psidid, char *typestr)
 {
@@ -248,7 +255,7 @@ id_rb_insert(struct rb_root *root, struct cifs_sid *sidptr,
                }
        }
 
-       memcpy(&(*psidid)->sid, sidptr, sizeof(struct cifs_sid));
+       cifs_copy_sid(&(*psidid)->sid, sidptr);
        (*psidid)->time = jiffies - (SID_MAP_RETRY + 1);
        (*psidid)->refcount = 0;
 
@@ -354,7 +361,7 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid)
         * any fields of the node after a reference is put .
         */
        if (test_bit(SID_ID_MAPPED, &psidid->state)) {
-               memcpy(ssid, &psidid->sid, sizeof(struct cifs_sid));
+               cifs_copy_sid(ssid, &psidid->sid);
                psidid->time = jiffies; /* update ts for accessing */
                goto id_sid_out;
        }
@@ -370,14 +377,14 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid)
                if (IS_ERR(sidkey)) {
                        rc = -EINVAL;
                        cFYI(1, "%s: Can't map and id to a SID", __func__);
+               } else if (sidkey->datalen < sizeof(struct cifs_sid)) {
+                       rc = -EIO;
+                       cFYI(1, "%s: Downcall contained malformed key "
+                               "(datalen=%hu)", __func__, sidkey->datalen);
                } else {
                        lsid = (struct cifs_sid *)sidkey->payload.data;
-                       memcpy(&psidid->sid, lsid,
-                               sidkey->datalen < sizeof(struct cifs_sid) ?
-                               sidkey->datalen : sizeof(struct cifs_sid));
-                       memcpy(ssid, &psidid->sid,
-                               sidkey->datalen < sizeof(struct cifs_sid) ?
-                               sidkey->datalen : sizeof(struct cifs_sid));
+                       cifs_copy_sid(&psidid->sid, lsid);
+                       cifs_copy_sid(ssid, &psidid->sid);
                        set_bit(SID_ID_MAPPED, &psidid->state);
                        key_put(sidkey);
                        kfree(psidid->sidstr);
@@ -396,7 +403,7 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid)
                        return rc;
                }
                if (test_bit(SID_ID_MAPPED, &psidid->state))
-                       memcpy(ssid, &psidid->sid, sizeof(struct cifs_sid));
+                       cifs_copy_sid(ssid, &psidid->sid);
                else
                        rc = -EINVAL;
        }
@@ -675,8 +682,6 @@ int compare_sids(const struct cifs_sid *ctsid, const struct cifs_sid *cwsid)
 static void copy_sec_desc(const struct cifs_ntsd *pntsd,
                                struct cifs_ntsd *pnntsd, __u32 sidsoffset)
 {
-       int i;
-
        struct cifs_sid *owner_sid_ptr, *group_sid_ptr;
        struct cifs_sid *nowner_sid_ptr, *ngroup_sid_ptr;
 
@@ -692,26 +697,14 @@ static void copy_sec_desc(const struct cifs_ntsd *pntsd,
        owner_sid_ptr = (struct cifs_sid *)((char *)pntsd +
                                le32_to_cpu(pntsd->osidoffset));
        nowner_sid_ptr = (struct cifs_sid *)((char *)pnntsd + sidsoffset);
-
-       nowner_sid_ptr->revision = owner_sid_ptr->revision;
-       nowner_sid_ptr->num_subauth = owner_sid_ptr->num_subauth;
-       for (i = 0; i < 6; i++)
-               nowner_sid_ptr->authority[i] = owner_sid_ptr->authority[i];
-       for (i = 0; i < 5; i++)
-               nowner_sid_ptr->sub_auth[i] = owner_sid_ptr->sub_auth[i];
+       cifs_copy_sid(nowner_sid_ptr, owner_sid_ptr);
 
        /* copy group sid */
        group_sid_ptr = (struct cifs_sid *)((char *)pntsd +
                                le32_to_cpu(pntsd->gsidoffset));
        ngroup_sid_ptr = (struct cifs_sid *)((char *)pnntsd + sidsoffset +
                                        sizeof(struct cifs_sid));
-
-       ngroup_sid_ptr->revision = group_sid_ptr->revision;
-       ngroup_sid_ptr->num_subauth = group_sid_ptr->num_subauth;
-       for (i = 0; i < 6; i++)
-               ngroup_sid_ptr->authority[i] = group_sid_ptr->authority[i];
-       for (i = 0; i < 5; i++)
-               ngroup_sid_ptr->sub_auth[i] = group_sid_ptr->sub_auth[i];
+       cifs_copy_sid(ngroup_sid_ptr, group_sid_ptr);
 
        return;
 }
@@ -1120,8 +1113,7 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd,
                                kfree(nowner_sid_ptr);
                                return rc;
                        }
-                       memcpy(owner_sid_ptr, nowner_sid_ptr,
-                                       sizeof(struct cifs_sid));
+                       cifs_copy_sid(owner_sid_ptr, nowner_sid_ptr);
                        kfree(nowner_sid_ptr);
                        *aclflag = CIFS_ACL_OWNER;
                }
@@ -1139,8 +1131,7 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd,
                                kfree(ngroup_sid_ptr);
                                return rc;
                        }
-                       memcpy(group_sid_ptr, ngroup_sid_ptr,
-                                       sizeof(struct cifs_sid));
+                       cifs_copy_sid(group_sid_ptr, ngroup_sid_ptr);
                        kfree(ngroup_sid_ptr);
                        *aclflag = CIFS_ACL_GROUP;
                }
index 7c0a812..d3671f2 100644 (file)
@@ -398,7 +398,16 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
         * in network traffic in the other paths.
         */
        if (!(oflags & O_CREAT)) {
-               struct dentry *res = cifs_lookup(inode, direntry, 0);
+               struct dentry *res;
+
+               /*
+                * Check for hashed negative dentry. We have already revalidated
+                * the dentry and it is fine. No need to perform another lookup.
+                */
+               if (!d_unhashed(direntry))
+                       return -ENOENT;
+
+               res = cifs_lookup(inode, direntry, 0);
                if (IS_ERR(res))
                        return PTR_ERR(res);
 
index da72250..cd96649 100644 (file)
@@ -346,7 +346,7 @@ static inline struct epitem *ep_item_from_epqueue(poll_table *p)
 /* Tells if the epoll_ctl(2) operation needs an event copy from userspace */
 static inline int ep_op_has_event(int op)
 {
-       return op == EPOLL_CTL_ADD || op == EPOLL_CTL_MOD;
+       return op != EPOLL_CTL_DEL;
 }
 
 /* Initialize the poll safe wake up structure */
@@ -676,34 +676,6 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi)
        return 0;
 }
 
-/*
- * Disables a "struct epitem" in the eventpoll set. Returns -EBUSY if the item
- * had no event flags set, indicating that another thread may be currently
- * handling that item's events (in the case that EPOLLONESHOT was being
- * used). Otherwise a zero result indicates that the item has been disabled
- * from receiving events. A disabled item may be re-enabled via
- * EPOLL_CTL_MOD. Must be called with "mtx" held.
- */
-static int ep_disable(struct eventpoll *ep, struct epitem *epi)
-{
-       int result = 0;
-       unsigned long flags;
-
-       spin_lock_irqsave(&ep->lock, flags);
-       if (epi->event.events & ~EP_PRIVATE_BITS) {
-               if (ep_is_linked(&epi->rdllink))
-                       list_del_init(&epi->rdllink);
-               /* Ensure ep_poll_callback will not add epi back onto ready
-                  list: */
-               epi->event.events &= EP_PRIVATE_BITS;
-               }
-       else
-               result = -EBUSY;
-       spin_unlock_irqrestore(&ep->lock, flags);
-
-       return result;
-}
-
 static void ep_free(struct eventpoll *ep)
 {
        struct rb_node *rbp;
@@ -1048,6 +1020,8 @@ static void ep_rbtree_insert(struct eventpoll *ep, struct epitem *epi)
        rb_insert_color(&epi->rbn, &ep->rbr);
 }
 
+
+
 #define PATH_ARR_SIZE 5
 /*
  * These are the number paths of length 1 to 5, that we are allowing to emanate
@@ -1813,12 +1787,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
                } else
                        error = -ENOENT;
                break;
-       case EPOLL_CTL_DISABLE:
-               if (epi)
-                       error = ep_disable(ep, epi);
-               else
-                       error = -ENOENT;
-               break;
        }
        mutex_unlock(&ep->mtx);
 
index 0def050..e056b4c 100644 (file)
@@ -516,15 +516,13 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma)
                struct gfs2_holder i_gh;
                int error;
 
-               gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
-               error = gfs2_glock_nq(&i_gh);
-               if (error == 0) {
-                       file_accessed(file);
-                       gfs2_glock_dq(&i_gh);
-               }
-               gfs2_holder_uninit(&i_gh);
+               error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
+                                          &i_gh);
                if (error)
                        return error;
+               /* grab lock to update inode */
+               gfs2_glock_dq_uninit(&i_gh);
+               file_accessed(file);
        }
        vma->vm_ops = &gfs2_vm_ops;
 
@@ -677,10 +675,8 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
        size_t writesize = iov_length(iov, nr_segs);
        struct dentry *dentry = file->f_dentry;
        struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
-       struct gfs2_sbd *sdp;
        int ret;
 
-       sdp = GFS2_SB(file->f_mapping->host);
        ret = gfs2_rs_alloc(ip);
        if (ret)
                return ret;
index 8ff95a2..9ceccb1 100644 (file)
@@ -393,12 +393,10 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        struct gfs2_meta_header *mh;
        struct gfs2_trans *tr;
 
-       lock_buffer(bd->bd_bh);
-       gfs2_log_lock(sdp);
        tr = current->journal_info;
        tr->tr_touched = 1;
        if (!list_empty(&bd->bd_list))
-               goto out;
+               return;
        set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
        set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
        mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
@@ -414,9 +412,6 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        sdp->sd_log_num_buf++;
        list_add(&bd->bd_list, &sdp->sd_log_le_buf);
        tr->tr_num_buf_new++;
-out:
-       gfs2_log_unlock(sdp);
-       unlock_buffer(bd->bd_bh);
 }
 
 static void gfs2_check_magic(struct buffer_head *bh)
@@ -621,7 +616,6 @@ static void revoke_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
 
 static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
 {
-       struct gfs2_log_descriptor *ld;
        struct gfs2_meta_header *mh;
        unsigned int offset;
        struct list_head *head = &sdp->sd_log_le_revoke;
@@ -634,7 +628,6 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
 
        length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(u64));
        page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke);
-       ld = page_address(page);
        offset = sizeof(struct gfs2_log_descriptor);
 
        list_for_each_entry(bd, head, bd_list) {
@@ -777,12 +770,10 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        struct address_space *mapping = bd->bd_bh->b_page->mapping;
        struct gfs2_inode *ip = GFS2_I(mapping->host);
 
-       lock_buffer(bd->bd_bh);
-       gfs2_log_lock(sdp);
        if (tr)
                tr->tr_touched = 1;
        if (!list_empty(&bd->bd_list))
-               goto out;
+               return;
        set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
        set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
        if (gfs2_is_jdata(ip)) {
@@ -793,9 +784,6 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        } else {
                list_add_tail(&bd->bd_list, &sdp->sd_log_le_ordered);
        }
-out:
-       gfs2_log_unlock(sdp);
-       unlock_buffer(bd->bd_bh);
 }
 
 /**
index 40c4b0d..c5af8e1 100644 (file)
@@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
        struct gfs2_quota_data **qd;
        int error;
 
-       if (ip->i_res == NULL)
-               gfs2_rs_alloc(ip);
+       if (ip->i_res == NULL) {
+               error = gfs2_rs_alloc(ip);
+               if (error)
+                       return error;
+       }
 
        qd = ip->i_res->rs_qa_qd;
 
index 3cc402c..38fe18f 100644 (file)
@@ -553,7 +553,6 @@ void gfs2_free_clones(struct gfs2_rgrpd *rgd)
  */
 int gfs2_rs_alloc(struct gfs2_inode *ip)
 {
-       int error = 0;
        struct gfs2_blkreserv *res;
 
        if (ip->i_res)
@@ -561,7 +560,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
 
        res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS);
        if (!res)
-               error = -ENOMEM;
+               return -ENOMEM;
 
        RB_CLEAR_NODE(&res->rs_node);
 
@@ -571,7 +570,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
        else
                ip->i_res = res;
        up_write(&ip->i_rw_mutex);
-       return error;
+       return 0;
 }
 
 static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)
@@ -1263,7 +1262,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
        int ret = 0;
        u64 amt;
        u64 trimmed = 0;
+       u64 start, end, minlen;
        unsigned int x;
+       unsigned bs_shift = sdp->sd_sb.sb_bsize_shift;
 
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
@@ -1271,19 +1272,25 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
        if (!blk_queue_discard(q))
                return -EOPNOTSUPP;
 
-       if (argp == NULL) {
-               r.start = 0;
-               r.len = ULLONG_MAX;
-               r.minlen = 0;
-       } else if (copy_from_user(&r, argp, sizeof(r)))
+       if (copy_from_user(&r, argp, sizeof(r)))
                return -EFAULT;
 
        ret = gfs2_rindex_update(sdp);
        if (ret)
                return ret;
 
-       rgd = gfs2_blk2rgrpd(sdp, r.start, 0);
-       rgd_end = gfs2_blk2rgrpd(sdp, r.start + r.len, 0);
+       start = r.start >> bs_shift;
+       end = start + (r.len >> bs_shift);
+       minlen = max_t(u64, r.minlen,
+                      q->limits.discard_granularity) >> bs_shift;
+
+       rgd = gfs2_blk2rgrpd(sdp, start, 0);
+       rgd_end = gfs2_blk2rgrpd(sdp, end - 1, 0);
+
+       if (end <= start ||
+           minlen > sdp->sd_max_rg_data ||
+           start > rgd_end->rd_data0 + rgd_end->rd_data)
+               return -EINVAL;
 
        while (1) {
 
@@ -1295,7 +1302,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
                        /* Trim each bitmap in the rgrp */
                        for (x = 0; x < rgd->rd_length; x++) {
                                struct gfs2_bitmap *bi = rgd->rd_bits + x;
-                               ret = gfs2_rgrp_send_discards(sdp, rgd->rd_data0, NULL, bi, r.minlen, &amt);
+                               ret = gfs2_rgrp_send_discards(sdp,
+                                               rgd->rd_data0, NULL, bi, minlen,
+                                               &amt);
                                if (ret) {
                                        gfs2_glock_dq_uninit(&gh);
                                        goto out;
@@ -1324,7 +1333,7 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
 
 out:
        r.len = trimmed << 9;
-       if (argp && copy_to_user(argp, &r, sizeof(r)))
+       if (copy_to_user(argp, &r, sizeof(r)))
                return -EFAULT;
 
        return ret;
index bc73726..d648867 100644 (file)
@@ -810,7 +810,8 @@ static void gfs2_dirty_inode(struct inode *inode, int flags)
                        return;
                }
                need_unlock = 1;
-       }
+       } else if (WARN_ON_ONCE(ip->i_gl->gl_state != LM_ST_EXCLUSIVE))
+               return;
 
        if (current->journal_info == NULL) {
                ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
index adbd278..4136270 100644 (file)
@@ -155,14 +155,22 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta)
        struct gfs2_sbd *sdp = gl->gl_sbd;
        struct gfs2_bufdata *bd;
 
+       lock_buffer(bh);
+       gfs2_log_lock(sdp);
        bd = bh->b_private;
        if (bd)
                gfs2_assert(sdp, bd->bd_gl == gl);
        else {
+               gfs2_log_unlock(sdp);
+               unlock_buffer(bh);
                gfs2_attach_bufdata(gl, bh, meta);
                bd = bh->b_private;
+               lock_buffer(bh);
+               gfs2_log_lock(sdp);
        }
        lops_add(sdp, bd);
+       gfs2_log_unlock(sdp);
+       unlock_buffer(bh);
 }
 
 void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
index 31c26c4..ca4b11e 100644 (file)
@@ -217,7 +217,7 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)
 {
        char buf1[NFS_DNS_HOSTNAME_MAXLEN+1];
        struct nfs_dns_ent key, *item;
-       unsigned long ttl;
+       unsigned int ttl;
        ssize_t len;
        int ret = -EINVAL;
 
@@ -240,7 +240,8 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)
        key.namelen = len;
        memset(&key.h, 0, sizeof(key.h));
 
-       ttl = get_expiry(&buf);
+       if (get_uint(&buf, &ttl) < 0)
+               goto out;
        if (ttl == 0)
                goto out;
        key.h.expiry_time = ttl + seconds_since_boot();
index 5c7325c..6fa01ae 100644 (file)
@@ -685,7 +685,10 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
        if (ctx->cred != NULL)
                put_rpccred(ctx->cred);
        dput(ctx->dentry);
-       nfs_sb_deactive(sb);
+       if (is_sync)
+               nfs_sb_deactive(sb);
+       else
+               nfs_sb_deactive_async(sb);
        kfree(ctx->mdsthreshold);
        kfree(ctx);
 }
index 59b133c..05521ca 100644 (file)
@@ -351,10 +351,12 @@ extern int __init register_nfs_fs(void);
 extern void __exit unregister_nfs_fs(void);
 extern void nfs_sb_active(struct super_block *sb);
 extern void nfs_sb_deactive(struct super_block *sb);
+extern void nfs_sb_deactive_async(struct super_block *sb);
 
 /* namespace.c */
+#define NFS_PATH_CANONICAL 1
 extern char *nfs_path(char **p, struct dentry *dentry,
-                     char *buffer, ssize_t buflen);
+                     char *buffer, ssize_t buflen, unsigned flags);
 extern struct vfsmount *nfs_d_automount(struct path *path);
 struct vfsmount *nfs_submount(struct nfs_server *, struct dentry *,
                              struct nfs_fh *, struct nfs_fattr *);
@@ -498,7 +500,7 @@ static inline char *nfs_devname(struct dentry *dentry,
                                char *buffer, ssize_t buflen)
 {
        char *dummy;
-       return nfs_path(&dummy, dentry, buffer, buflen);
+       return nfs_path(&dummy, dentry, buffer, buflen, NFS_PATH_CANONICAL);
 }
 
 /*
index 8e65c7f..015f71f 100644 (file)
@@ -181,7 +181,7 @@ int nfs_mount(struct nfs_mount_request *info)
        else
                msg.rpc_proc = &mnt_clnt->cl_procinfo[MOUNTPROC_MNT];
 
-       status = rpc_call_sync(mnt_clnt, &msg, 0);
+       status = rpc_call_sync(mnt_clnt, &msg, RPC_TASK_SOFT|RPC_TASK_TIMEOUT);
        rpc_shutdown_client(mnt_clnt);
 
        if (status < 0)
index 6559253..dd057bc 100644 (file)
@@ -33,6 +33,7 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
  * @dentry - pointer to dentry
  * @buffer - result buffer
  * @buflen - length of buffer
+ * @flags - options (see below)
  *
  * Helper function for constructing the server pathname
  * by arbitrary hashed dentry.
@@ -40,8 +41,14 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
  * This is mainly for use in figuring out the path on the
  * server side when automounting on top of an existing partition
  * and in generating /proc/mounts and friends.
+ *
+ * Supported flags:
+ * NFS_PATH_CANONICAL: ensure there is exactly one slash after
+ *                    the original device (export) name
+ *                    (if unset, the original name is returned verbatim)
  */
-char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen)
+char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen,
+              unsigned flags)
 {
        char *end;
        int namelen;
@@ -74,7 +81,7 @@ rename_retry:
                rcu_read_unlock();
                goto rename_retry;
        }
-       if (*end != '/') {
+       if ((flags & NFS_PATH_CANONICAL) && *end != '/') {
                if (--buflen < 0) {
                        spin_unlock(&dentry->d_lock);
                        rcu_read_unlock();
@@ -91,9 +98,11 @@ rename_retry:
                return end;
        }
        namelen = strlen(base);
-       /* Strip off excess slashes in base string */
-       while (namelen > 0 && base[namelen - 1] == '/')
-               namelen--;
+       if (flags & NFS_PATH_CANONICAL) {
+               /* Strip off excess slashes in base string */
+               while (namelen > 0 && base[namelen - 1] == '/')
+                       namelen--;
+       }
        buflen -= namelen;
        if (buflen < 0) {
                spin_unlock(&dentry->d_lock);
index 79fbb61..1e09eb7 100644 (file)
@@ -81,7 +81,8 @@ static char *nfs_path_component(const char *nfspath, const char *end)
 static char *nfs4_path(struct dentry *dentry, char *buffer, ssize_t buflen)
 {
        char *limit;
-       char *path = nfs_path(&limit, dentry, buffer, buflen);
+       char *path = nfs_path(&limit, dentry, buffer, buflen,
+                             NFS_PATH_CANONICAL);
        if (!IS_ERR(path)) {
                char *path_component = nfs_path_component(path, limit);
                if (path_component)
index 68b21d8..5eec442 100644 (file)
@@ -339,8 +339,7 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
                        dprintk("%s ERROR: %d Reset session\n", __func__,
                                errorcode);
                        nfs4_schedule_session_recovery(clp->cl_session, errorcode);
-                       exception->retry = 1;
-                       break;
+                       goto wait_on_recovery;
 #endif /* defined(CONFIG_NFS_V4_1) */
                case -NFS4ERR_FILE_OPEN:
                        if (exception->timeout > HZ) {
@@ -1572,9 +1571,11 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
        data->timestamp = jiffies;
        if (nfs4_setup_sequence(data->o_arg.server,
                                &data->o_arg.seq_args,
-                               &data->o_res.seq_res, task))
-               return;
-       rpc_call_start(task);
+                               &data->o_res.seq_res,
+                               task) != 0)
+               nfs_release_seqid(data->o_arg.seqid);
+       else
+               rpc_call_start(task);
        return;
 unlock_no_action:
        rcu_read_unlock();
@@ -1748,7 +1749,7 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
 
        /* even though OPEN succeeded, access is denied. Close the file */
        nfs4_close_state(state, fmode);
-       return -NFS4ERR_ACCESS;
+       return -EACCES;
 }
 
 /*
@@ -2196,7 +2197,7 @@ static void nfs4_free_closedata(void *data)
        nfs4_put_open_state(calldata->state);
        nfs_free_seqid(calldata->arg.seqid);
        nfs4_put_state_owner(sp);
-       nfs_sb_deactive(sb);
+       nfs_sb_deactive_async(sb);
        kfree(calldata);
 }
 
@@ -2296,9 +2297,10 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
        if (nfs4_setup_sequence(NFS_SERVER(inode),
                                &calldata->arg.seq_args,
                                &calldata->res.seq_res,
-                               task))
-               goto out;
-       rpc_call_start(task);
+                               task) != 0)
+               nfs_release_seqid(calldata->arg.seqid);
+       else
+               rpc_call_start(task);
 out:
        dprintk("%s: done!\n", __func__);
 }
@@ -4529,6 +4531,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
                        if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
                                rpc_restart_call_prepare(task);
        }
+       nfs_release_seqid(calldata->arg.seqid);
 }
 
 static void nfs4_locku_prepare(struct rpc_task *task, void *data)
@@ -4545,9 +4548,11 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
        calldata->timestamp = jiffies;
        if (nfs4_setup_sequence(calldata->server,
                                &calldata->arg.seq_args,
-                               &calldata->res.seq_res, task))
-               return;
-       rpc_call_start(task);
+                               &calldata->res.seq_res,
+                               task) != 0)
+               nfs_release_seqid(calldata->arg.seqid);
+       else
+               rpc_call_start(task);
 }
 
 static const struct rpc_call_ops nfs4_locku_ops = {
@@ -4692,7 +4697,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
        /* Do we need to do an open_to_lock_owner? */
        if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) {
                if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0)
-                       return;
+                       goto out_release_lock_seqid;
                data->arg.open_stateid = &state->stateid;
                data->arg.new_lock_owner = 1;
                data->res.open_seqid = data->arg.open_seqid;
@@ -4701,10 +4706,15 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
        data->timestamp = jiffies;
        if (nfs4_setup_sequence(data->server,
                                &data->arg.seq_args,
-                               &data->res.seq_res, task))
+                               &data->res.seq_res,
+                               task) == 0) {
+               rpc_call_start(task);
                return;
-       rpc_call_start(task);
-       dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status);
+       }
+       nfs_release_seqid(data->arg.open_seqid);
+out_release_lock_seqid:
+       nfs_release_seqid(data->arg.lock_seqid);
+       dprintk("%s: done!, ret = %d\n", __func__, task->tk_status);
 }
 
 static void nfs4_recover_lock_prepare(struct rpc_task *task, void *calldata)
@@ -5667,7 +5677,7 @@ static void nfs4_add_and_init_slots(struct nfs4_slot_table *tbl,
                tbl->slots = new;
                tbl->max_slots = max_slots;
        }
-       tbl->highest_used_slotid = -1;  /* no slot is currently used */
+       tbl->highest_used_slotid = NFS4_NO_SLOT;
        for (i = 0; i < tbl->max_slots; i++)
                tbl->slots[i].seq_nr = ivalue;
        spin_unlock(&tbl->slot_tbl_lock);
index fe624c9..2878f97 100644 (file)
@@ -925,8 +925,8 @@ pnfs_find_alloc_layout(struct inode *ino,
        if (likely(nfsi->layout == NULL)) {     /* Won the race? */
                nfsi->layout = new;
                return new;
-       }
-       pnfs_free_layout_hdr(new);
+       } else if (new != NULL)
+               pnfs_free_layout_hdr(new);
 out_existing:
        pnfs_get_layout_hdr(nfsi->layout);
        return nfsi->layout;
index e831bce..652d3f7 100644 (file)
@@ -54,6 +54,7 @@
 #include <linux/parser.h>
 #include <linux/nsproxy.h>
 #include <linux/rcupdate.h>
+#include <linux/kthread.h>
 
 #include <asm/uaccess.h>
 
@@ -415,6 +416,54 @@ void nfs_sb_deactive(struct super_block *sb)
 }
 EXPORT_SYMBOL_GPL(nfs_sb_deactive);
 
+static int nfs_deactivate_super_async_work(void *ptr)
+{
+       struct super_block *sb = ptr;
+
+       deactivate_super(sb);
+       module_put_and_exit(0);
+       return 0;
+}
+
+/*
+ * same effect as deactivate_super, but will do final unmount in kthread
+ * context
+ */
+static void nfs_deactivate_super_async(struct super_block *sb)
+{
+       struct task_struct *task;
+       char buf[INET6_ADDRSTRLEN + 1];
+       struct nfs_server *server = NFS_SB(sb);
+       struct nfs_client *clp = server->nfs_client;
+
+       if (!atomic_add_unless(&sb->s_active, -1, 1)) {
+               rcu_read_lock();
+               snprintf(buf, sizeof(buf),
+                       rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+               rcu_read_unlock();
+
+               __module_get(THIS_MODULE);
+               task = kthread_run(nfs_deactivate_super_async_work, sb,
+                               "%s-deactivate-super", buf);
+               if (IS_ERR(task)) {
+                       pr_err("%s: kthread_run: %ld\n",
+                               __func__, PTR_ERR(task));
+                       /* make synchronous call and hope for the best */
+                       deactivate_super(sb);
+                       module_put(THIS_MODULE);
+               }
+       }
+}
+
+void nfs_sb_deactive_async(struct super_block *sb)
+{
+       struct nfs_server *server = NFS_SB(sb);
+
+       if (atomic_dec_and_test(&server->active))
+               nfs_deactivate_super_async(sb);
+}
+EXPORT_SYMBOL_GPL(nfs_sb_deactive_async);
+
 /*
  * Deliver file system statistics to userspace
  */
@@ -771,7 +820,7 @@ int nfs_show_devname(struct seq_file *m, struct dentry *root)
        int err = 0;
        if (!page)
                return -ENOMEM;
-       devname = nfs_path(&dummy, root, page, PAGE_SIZE);
+       devname = nfs_path(&dummy, root, page, PAGE_SIZE, 0);
        if (IS_ERR(devname))
                err = PTR_ERR(devname);
        else
index 13cea63..3f79c77 100644 (file)
@@ -95,7 +95,7 @@ static void nfs_async_unlink_release(void *calldata)
 
        nfs_dec_sillycount(data->dir);
        nfs_free_unlinkdata(data);
-       nfs_sb_deactive(sb);
+       nfs_sb_deactive_async(sb);
 }
 
 static void nfs_unlink_prepare(struct rpc_task *task, void *calldata)
index f35794b..a506360 100644 (file)
@@ -21,6 +21,7 @@ static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new)
                        if ((old->path.mnt == new->path.mnt) &&
                            (old->path.dentry == new->path.dentry))
                                return true;
+                       break;
                case (FSNOTIFY_EVENT_NONE):
                        return true;
                default:
index 4f33c32..335206a 100644 (file)
@@ -1866,6 +1866,7 @@ xfs_alloc_fix_freelist(
        /*
         * Initialize the args structure.
         */
+       memset(&targs, 0, sizeof(targs));
        targs.tp = tp;
        targs.mp = mp;
        targs.agbp = agbp;
@@ -2207,7 +2208,7 @@ xfs_alloc_read_agf(
  * group or loop over the allocation groups to find the result.
  */
 int                            /* error */
-__xfs_alloc_vextent(
+xfs_alloc_vextent(
        xfs_alloc_arg_t *args)  /* allocation argument structure */
 {
        xfs_agblock_t   agsize; /* allocation group size */
@@ -2417,46 +2418,6 @@ error0:
        return error;
 }
 
-static void
-xfs_alloc_vextent_worker(
-       struct work_struct      *work)
-{
-       struct xfs_alloc_arg    *args = container_of(work,
-                                               struct xfs_alloc_arg, work);
-       unsigned long           pflags;
-
-       /* we are in a transaction context here */
-       current_set_flags_nested(&pflags, PF_FSTRANS);
-
-       args->result = __xfs_alloc_vextent(args);
-       complete(args->done);
-
-       current_restore_flags_nested(&pflags, PF_FSTRANS);
-}
-
-/*
- * Data allocation requests often come in with little stack to work on. Push
- * them off to a worker thread so there is lots of stack to use. Metadata
- * requests, OTOH, are generally from low stack usage paths, so avoid the
- * context switch overhead here.
- */
-int
-xfs_alloc_vextent(
-       struct xfs_alloc_arg    *args)
-{
-       DECLARE_COMPLETION_ONSTACK(done);
-
-       if (!args->userdata)
-               return __xfs_alloc_vextent(args);
-
-
-       args->done = &done;
-       INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker);
-       queue_work(xfs_alloc_wq, &args->work);
-       wait_for_completion(&done);
-       return args->result;
-}
-
 /*
  * Free an extent.
  * Just break up the extent address and hand off to xfs_free_ag_extent
index 93be4a6..feacb06 100644 (file)
@@ -120,9 +120,6 @@ typedef struct xfs_alloc_arg {
        char            isfl;           /* set if is freelist blocks - !acctg */
        char            userdata;       /* set if this is user data */
        xfs_fsblock_t   firstblock;     /* io first block allocated */
-       struct completion *done;
-       struct work_struct work;
-       int             result;
 } xfs_alloc_arg_t;
 
 /*
index f1647ca..f7876c6 100644 (file)
@@ -121,6 +121,8 @@ xfs_allocbt_free_block(
        xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
                              XFS_EXTENT_BUSY_SKIP_DISCARD);
        xfs_trans_agbtree_delta(cur->bc_tp, -1);
+
+       xfs_trans_binval(cur->bc_tp, bp);
        return 0;
 }
 
index 848ffa7..83d0cf3 100644 (file)
@@ -2437,6 +2437,7 @@ xfs_bmap_btalloc(
         * Normal allocation, done through xfs_alloc_vextent.
         */
        tryagain = isaligned = 0;
+       memset(&args, 0, sizeof(args));
        args.tp = ap->tp;
        args.mp = mp;
        args.fsbno = ap->blkno;
@@ -3082,6 +3083,7 @@ xfs_bmap_extents_to_btree(
         * Convert to a btree with two levels, one record in root.
         */
        XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE);
+       memset(&args, 0, sizeof(args));
        args.tp = tp;
        args.mp = mp;
        args.firstblock = *firstblock;
@@ -3237,6 +3239,7 @@ xfs_bmap_local_to_extents(
                xfs_buf_t       *bp;    /* buffer for extent block */
                xfs_bmbt_rec_host_t *ep;/* extent record pointer */
 
+               memset(&args, 0, sizeof(args));
                args.tp = tp;
                args.mp = ip->i_mount;
                args.firstblock = *firstblock;
@@ -4616,12 +4619,11 @@ xfs_bmapi_delay(
 
 
 STATIC int
-xfs_bmapi_allocate(
-       struct xfs_bmalloca     *bma,
-       int                     flags)
+__xfs_bmapi_allocate(
+       struct xfs_bmalloca     *bma)
 {
        struct xfs_mount        *mp = bma->ip->i_mount;
-       int                     whichfork = (flags & XFS_BMAPI_ATTRFORK) ?
+       int                     whichfork = (bma->flags & XFS_BMAPI_ATTRFORK) ?
                                                XFS_ATTR_FORK : XFS_DATA_FORK;
        struct xfs_ifork        *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
        int                     tmp_logflags = 0;
@@ -4654,24 +4656,27 @@ xfs_bmapi_allocate(
         * Indicate if this is the first user data in the file, or just any
         * user data.
         */
-       if (!(flags & XFS_BMAPI_METADATA)) {
+       if (!(bma->flags & XFS_BMAPI_METADATA)) {
                bma->userdata = (bma->offset == 0) ?
                        XFS_ALLOC_INITIAL_USER_DATA : XFS_ALLOC_USERDATA;
        }
 
-       bma->minlen = (flags & XFS_BMAPI_CONTIG) ? bma->length : 1;
+       bma->minlen = (bma->flags & XFS_BMAPI_CONTIG) ? bma->length : 1;
 
        /*
         * Only want to do the alignment at the eof if it is userdata and
         * allocation length is larger than a stripe unit.
         */
        if (mp->m_dalign && bma->length >= mp->m_dalign &&
-           !(flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) {
+           !(bma->flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) {
                error = xfs_bmap_isaeof(bma, whichfork);
                if (error)
                        return error;
        }
 
+       if (bma->flags & XFS_BMAPI_STACK_SWITCH)
+               bma->stack_switch = 1;
+
        error = xfs_bmap_alloc(bma);
        if (error)
                return error;
@@ -4706,7 +4711,7 @@ xfs_bmapi_allocate(
         * A wasdelay extent has been initialized, so shouldn't be flagged
         * as unwritten.
         */
-       if (!bma->wasdel && (flags & XFS_BMAPI_PREALLOC) &&
+       if (!bma->wasdel && (bma->flags & XFS_BMAPI_PREALLOC) &&
            xfs_sb_version_hasextflgbit(&mp->m_sb))
                bma->got.br_state = XFS_EXT_UNWRITTEN;
 
@@ -4734,6 +4739,45 @@ xfs_bmapi_allocate(
        return 0;
 }
 
+static void
+xfs_bmapi_allocate_worker(
+       struct work_struct      *work)
+{
+       struct xfs_bmalloca     *args = container_of(work,
+                                               struct xfs_bmalloca, work);
+       unsigned long           pflags;
+
+       /* we are in a transaction context here */
+       current_set_flags_nested(&pflags, PF_FSTRANS);
+
+       args->result = __xfs_bmapi_allocate(args);
+       complete(args->done);
+
+       current_restore_flags_nested(&pflags, PF_FSTRANS);
+}
+
+/*
+ * Some allocation requests often come in with little stack to work on. Push
+ * them off to a worker thread so there is lots of stack to use. Otherwise just
+ * call directly to avoid the context switch overhead here.
+ */
+int
+xfs_bmapi_allocate(
+       struct xfs_bmalloca     *args)
+{
+       DECLARE_COMPLETION_ONSTACK(done);
+
+       if (!args->stack_switch)
+               return __xfs_bmapi_allocate(args);
+
+
+       args->done = &done;
+       INIT_WORK_ONSTACK(&args->work, xfs_bmapi_allocate_worker);
+       queue_work(xfs_alloc_wq, &args->work);
+       wait_for_completion(&done);
+       return args->result;
+}
+
 STATIC int
 xfs_bmapi_convert_unwritten(
        struct xfs_bmalloca     *bma,
@@ -4919,6 +4963,7 @@ xfs_bmapi_write(
                        bma.conv = !!(flags & XFS_BMAPI_CONVERT);
                        bma.wasdel = wasdelay;
                        bma.offset = bno;
+                       bma.flags = flags;
 
                        /*
                         * There's a 32/64 bit type mismatch between the
@@ -4934,7 +4979,7 @@ xfs_bmapi_write(
 
                        ASSERT(len > 0);
                        ASSERT(bma.length > 0);
-                       error = xfs_bmapi_allocate(&bma, flags);
+                       error = xfs_bmapi_allocate(&bma);
                        if (error)
                                goto error0;
                        if (bma.blkno == NULLFSBLOCK)
index 803b56d..5f469c3 100644 (file)
@@ -77,6 +77,7 @@ typedef       struct xfs_bmap_free
  * from written to unwritten, otherwise convert from unwritten to written.
  */
 #define XFS_BMAPI_CONVERT      0x040
+#define XFS_BMAPI_STACK_SWITCH 0x080
 
 #define XFS_BMAPI_FLAGS \
        { XFS_BMAPI_ENTIRE,     "ENTIRE" }, \
@@ -85,7 +86,8 @@ typedef       struct xfs_bmap_free
        { XFS_BMAPI_PREALLOC,   "PREALLOC" }, \
        { XFS_BMAPI_IGSTATE,    "IGSTATE" }, \
        { XFS_BMAPI_CONTIG,     "CONTIG" }, \
-       { XFS_BMAPI_CONVERT,    "CONVERT" }
+       { XFS_BMAPI_CONVERT,    "CONVERT" }, \
+       { XFS_BMAPI_STACK_SWITCH, "STACK_SWITCH" }
 
 
 static inline int xfs_bmapi_aflag(int w)
@@ -133,6 +135,11 @@ typedef struct xfs_bmalloca {
        char                    userdata;/* set if is user data */
        char                    aeof;   /* allocated space at eof */
        char                    conv;   /* overwriting unwritten extents */
+       char                    stack_switch;
+       int                     flags;
+       struct completion       *done;
+       struct work_struct      work;
+       int                     result;
 } xfs_bmalloca_t;
 
 /*
index a8d0ed9..becf4a9 100644 (file)
@@ -526,7 +526,25 @@ xfs_buf_item_unpin(
                }
                xfs_buf_relse(bp);
        } else if (freed && remove) {
+               /*
+                * There are currently two references to the buffer - the active
+                * LRU reference and the buf log item. What we are about to do
+                * here - simulate a failed IO completion - requires 3
+                * references.
+                *
+                * The LRU reference is removed by the xfs_buf_stale() call. The
+                * buf item reference is removed by the xfs_buf_iodone()
+                * callback that is run by xfs_buf_do_callbacks() during ioend
+                * processing (via the bp->b_iodone callback), and then finally
+                * the ioend processing will drop the IO reference if the buffer
+                * is marked XBF_ASYNC.
+                *
+                * Hence we need to take an additional reference here so that IO
+                * completion processing doesn't free the buffer prematurely.
+                */
                xfs_buf_lock(bp);
+               xfs_buf_hold(bp);
+               bp->b_flags |= XBF_ASYNC;
                xfs_buf_ioerror(bp, EIO);
                XFS_BUF_UNDONE(bp);
                xfs_buf_stale(bp);
index c25b094..4beaede 100644 (file)
@@ -399,9 +399,26 @@ xfs_growfs_data_private(
 
        /* update secondary superblocks. */
        for (agno = 1; agno < nagcount; agno++) {
-               error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
+               error = 0;
+               /*
+                * new secondary superblocks need to be zeroed, not read from
+                * disk as the contents of the new area we are growing into is
+                * completely unknown.
+                */
+               if (agno < oagcount) {
+                       error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
                                  XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),
                                  XFS_FSS_TO_BB(mp, 1), 0, &bp);
+               } else {
+                       bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp,
+                                 XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),
+                                 XFS_FSS_TO_BB(mp, 1), 0);
+                       if (bp)
+                               xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
+                       else
+                               error = ENOMEM;
+               }
+
                if (error) {
                        xfs_warn(mp,
                "error %d reading secondary superblock for ag %d",
@@ -423,7 +440,7 @@ xfs_growfs_data_private(
                        break; /* no point in continuing */
                }
        }
-       return 0;
+       return error;
 
  error0:
        xfs_trans_cancel(tp, XFS_TRANS_ABORT);
index 445bf1a..c5c4ef4 100644 (file)
@@ -250,6 +250,7 @@ xfs_ialloc_ag_alloc(
                                        /* boundary */
        struct xfs_perag *pag;
 
+       memset(&args, 0, sizeof(args));
        args.tp = tp;
        args.mp = tp->t_mountp;
 
index 2778258..1938b41 100644 (file)
@@ -1509,7 +1509,8 @@ xfs_ifree_cluster(
                 * to mark all the active inodes on the buffer stale.
                 */
                bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno,
-                                       mp->m_bsize * blks_per_cluster, 0);
+                                       mp->m_bsize * blks_per_cluster,
+                                       XBF_UNMAPPED);
 
                if (!bp)
                        return ENOMEM;
index 8305f2a..c1df3c6 100644 (file)
@@ -70,7 +70,7 @@ xfs_find_handle(
        int                     hsize;
        xfs_handle_t            handle;
        struct inode            *inode;
-       struct fd               f;
+       struct fd               f = {0};
        struct path             path;
        int                     error;
        struct xfs_inode        *ip;
index 973dff6..7f53766 100644 (file)
@@ -584,7 +584,9 @@ xfs_iomap_write_allocate(
                         * pointer that the caller gave to us.
                         */
                        error = xfs_bmapi_write(tp, ip, map_start_fsb,
-                                               count_fsb, 0, &first_block, 1,
+                                               count_fsb,
+                                               XFS_BMAPI_STACK_SWITCH,
+                                               &first_block, 1,
                                                imap, &nimaps, &free_list);
                        if (error)
                                goto trans_cancel;
index 7f4f937..4dad756 100644 (file)
@@ -2387,14 +2387,27 @@ xlog_state_do_callback(
 
 
                                /*
-                                * update the last_sync_lsn before we drop the
+                                * Completion of a iclog IO does not imply that
+                                * a transaction has completed, as transactions
+                                * can be large enough to span many iclogs. We
+                                * cannot change the tail of the log half way
+                                * through a transaction as this may be the only
+                                * transaction in the log and moving th etail to
+                                * point to the middle of it will prevent
+                                * recovery from finding the start of the
+                                * transaction. Hence we should only update the
+                                * last_sync_lsn if this iclog contains
+                                * transaction completion callbacks on it.
+                                *
+                                * We have to do this before we drop the
                                 * icloglock to ensure we are the only one that
                                 * can update it.
                                 */
                                ASSERT(XFS_LSN_CMP(atomic64_read(&log->l_last_sync_lsn),
                                        be64_to_cpu(iclog->ic_header.h_lsn)) <= 0);
-                               atomic64_set(&log->l_last_sync_lsn,
-                                       be64_to_cpu(iclog->ic_header.h_lsn));
+                               if (iclog->ic_callback)
+                                       atomic64_set(&log->l_last_sync_lsn,
+                                               be64_to_cpu(iclog->ic_header.h_lsn));
 
                        } else
                                ioerrors++;
index 5da3ace..d308749 100644 (file)
@@ -3541,7 +3541,7 @@ xlog_do_recovery_pass(
                                 *   - order is important.
                                 */
                                error = xlog_bread_offset(log, 0,
-                                               bblks - split_bblks, hbp,
+                                               bblks - split_bblks, dbp,
                                                offset + BBTOB(split_bblks));
                                if (error)
                                        goto bread_err2;
index 7c6a113..9653166 100644 (file)
@@ -137,7 +137,7 @@ struct dw_mci {
 
        dma_addr_t              sg_dma;
        void                    *sg_cpu;
-       struct dw_mci_dma_ops   *dma_ops;
+       const struct dw_mci_dma_ops     *dma_ops;
 #ifdef CONFIG_MMC_DW_IDMAC
        unsigned int            ring_size;
 #else
@@ -162,7 +162,7 @@ struct dw_mci {
        u16                     data_offset;
        struct device           *dev;
        struct dw_mci_board     *pdata;
-       struct dw_mci_drv_data  *drv_data;
+       const struct dw_mci_drv_data    *drv_data;
        void                    *priv;
        struct clk              *biu_clk;
        struct clk              *ciu_clk;
@@ -186,7 +186,7 @@ struct dw_mci {
 
        struct regulator        *vmmc;  /* Power regulator */
        unsigned long           irq_flags; /* IRQ flags */
-       unsigned int            irq;
+       int                     irq;
 };
 
 /* DMA ops for Internal/External DMAC interface */
index fa8529a..1edcb4d 100644 (file)
@@ -91,6 +91,7 @@ struct sdhci_host {
        unsigned int quirks2;   /* More deviations from spec. */
 
 #define SDHCI_QUIRK2_HOST_OFF_CARD_ON                  (1<<0)
+#define SDHCI_QUIRK2_HOST_NO_CMD23                     (1<<1)
 
        int irq;                /* Device IRQ */
        void __iomem *ioaddr;   /* Mapped address */
index a1984dd..e20e3af 100644 (file)
@@ -28,11 +28,13 @@ static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
 #endif
 
 #else /* CONFIG_OF_ADDRESS */
+#ifndef of_address_to_resource
 static inline int of_address_to_resource(struct device_node *dev, int index,
                                         struct resource *r)
 {
        return -EINVAL;
 }
+#endif
 static inline struct device_node *of_find_matching_node_by_address(
                                        struct device_node *from,
                                        const struct of_device_id *matches,
index 8c99ce7..2c267bc 100644 (file)
@@ -25,7 +25,6 @@
 #define EPOLL_CTL_ADD 1
 #define EPOLL_CTL_DEL 2
 #define EPOLL_CTL_MOD 3
-#define EPOLL_CTL_DISABLE 4
 
 /*
  * Request the handling of system wakeup events so as to prevent system suspends
index b193fa2..13e43e4 100644 (file)
@@ -5,6 +5,36 @@
 #include <xen/interface/hvm/params.h>
 #include <asm/xen/hypercall.h>
 
+static const char *param_name(int op)
+{
+#define PARAM(x) [HVM_PARAM_##x] = #x
+       static const char *const names[] = {
+               PARAM(CALLBACK_IRQ),
+               PARAM(STORE_PFN),
+               PARAM(STORE_EVTCHN),
+               PARAM(PAE_ENABLED),
+               PARAM(IOREQ_PFN),
+               PARAM(BUFIOREQ_PFN),
+               PARAM(TIMER_MODE),
+               PARAM(HPET_ENABLED),
+               PARAM(IDENT_PT),
+               PARAM(DM_DOMAIN),
+               PARAM(ACPI_S_STATE),
+               PARAM(VM86_TSS),
+               PARAM(VPT_ALIGN),
+               PARAM(CONSOLE_PFN),
+               PARAM(CONSOLE_EVTCHN),
+       };
+#undef PARAM
+
+       if (op >= ARRAY_SIZE(names))
+               return "unknown";
+
+       if (!names[op])
+               return "reserved";
+
+       return names[op];
+}
 static inline int hvm_get_parameter(int idx, uint64_t *value)
 {
        struct xen_hvm_param xhv;
@@ -14,8 +44,8 @@ static inline int hvm_get_parameter(int idx, uint64_t *value)
        xhv.index = idx;
        r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
        if (r < 0) {
-               printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n",
-                       idx, r);
+               printk(KERN_ERR "Cannot get hvm parameter %s (%d): %d!\n",
+                       param_name(idx), idx, r);
                return r;
        }
        *value = xhv.value;
index 6085f5e..6e48c3a 100644 (file)
@@ -2293,12 +2293,17 @@ static void layout_symtab(struct module *mod, struct load_info *info)
        src = (void *)info->hdr + symsect->sh_offset;
        nsrc = symsect->sh_size / sizeof(*src);
 
+       /* strtab always starts with a nul, so offset 0 is the empty string. */
+       strtab_size = 1;
+
        /* Compute total space required for the core symbols' strtab. */
-       for (ndst = i = strtab_size = 1; i < nsrc; ++i, ++src)
-               if (is_core_symbol(src, info->sechdrs, info->hdr->e_shnum)) {
-                       strtab_size += strlen(&info->strtab[src->st_name]) + 1;
+       for (ndst = i = 0; i < nsrc; i++) {
+               if (i == 0 ||
+                   is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+                       strtab_size += strlen(&info->strtab[src[i].st_name])+1;
                        ndst++;
                }
+       }
 
        /* Append room for core symbols at end of core part. */
        info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1);
@@ -2332,15 +2337,15 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
        mod->core_symtab = dst = mod->module_core + info->symoffs;
        mod->core_strtab = s = mod->module_core + info->stroffs;
        src = mod->symtab;
-       *dst = *src;
        *s++ = 0;
-       for (ndst = i = 1; i < mod->num_symtab; ++i, ++src) {
-               if (!is_core_symbol(src, info->sechdrs, info->hdr->e_shnum))
-                       continue;
-
-               dst[ndst] = *src;
-               dst[ndst++].st_name = s - mod->core_strtab;
-               s += strlcpy(s, &mod->strtab[src->st_name], KSYM_NAME_LEN) + 1;
+       for (ndst = i = 0; i < mod->num_symtab; i++) {
+               if (i == 0 ||
+                   is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) {
+                       dst[ndst] = src[i];
+                       dst[ndst++].st_name = s - mod->core_strtab;
+                       s += strlcpy(s, &mod->strtab[src[i].st_name],
+                                    KSYM_NAME_LEN) + 1;
+               }
        }
        mod->core_num_syms = ndst;
 }
index 2624edc..8b055e9 100644 (file)
@@ -3017,6 +3017,8 @@ static int kswapd(void *p)
                                                &balanced_classzone_idx);
                }
        }
+
+       current->reclaim_state = NULL;
        return 0;
 }
 
index 5a3d675..a9c0bbc 100644 (file)
@@ -172,7 +172,7 @@ out_free:
                xprt_free_allocation(req);
 
        dprintk("RPC:       setup backchannel transport failed\n");
-       return -1;
+       return -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(xprt_setup_backchannel);
 
index dda4b2b..ecbb447 100644 (file)
@@ -16,8 +16,9 @@ PHONY += $(modules)
 __modinst: $(modules)
        @:
 
+# Don't stop modules_install if we can't sign external modules.
 quiet_cmd_modules_install = INSTALL $@
-      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@)
+      cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD))
 
 # Modules built outside the kernel source tree go into extra by default
 INSTALL_MOD_DIR ?= extra
index 21a9f5d..f18750e 100755 (executable)
@@ -1890,8 +1890,10 @@ sub process {
                }
 
                if ($realfile =~ m@^(drivers/net/|net/)@ &&
-                   $rawline !~ m@^\+[ \t]*(\/\*|\*\/)@ &&
-                   $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) {
+                   $rawline !~ m@^\+[ \t]*\*/[ \t]*$@ &&       #trailing */
+                   $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ &&      #inline /*...*/
+                   $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ &&       #trailing **/
+                   $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) {    #non blank */
                        WARN("NETWORKING_BLOCK_COMMENT_STYLE",
                             "networking block comments put the trailing */ on a separate line\n" . $herecurr);
                }
index a9a2e63..e8a1d18 100644 (file)
@@ -76,6 +76,7 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
                snd_card_unref(card);
                return -EFAULT;
        }
+       snd_card_unref(card);
        return 0;
 }
 
index f337b66..4c1cc51 100644 (file)
@@ -2454,6 +2454,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
        mutex_unlock(&pcm->open_mutex);
        if (err < 0)
                goto __error;
+       snd_card_unref(pcm->card);
        return err;
 
       __error:
index 6e8872d..f9ddecf 100644 (file)
@@ -2122,7 +2122,8 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file)
        pcm = snd_lookup_minor_data(iminor(inode),
                                    SNDRV_DEVICE_TYPE_PCM_PLAYBACK);
        err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
-       snd_card_unref(pcm->card);
+       if (pcm)
+               snd_card_unref(pcm->card);
        return err;
 }
 
@@ -2135,7 +2136,8 @@ static int snd_pcm_capture_open(struct inode *inode, struct file *file)
        pcm = snd_lookup_minor_data(iminor(inode),
                                    SNDRV_DEVICE_TYPE_PCM_CAPTURE);
        err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
-       snd_card_unref(pcm->card);
+       if (pcm)
+               snd_card_unref(pcm->card);
        return err;
 }
 
index 89780c3..70ccdab 100644 (file)
@@ -114,7 +114,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
        mreg = snd_minors[minor];
        if (mreg && mreg->type == type) {
                private_data = mreg->private_data;
-               if (mreg->card_ptr)
+               if (private_data && mreg->card_ptr)
                        atomic_inc(&mreg->card_ptr->refcount);
        } else
                private_data = NULL;
index e1d79ee..726a49a 100644 (file)
@@ -54,7 +54,7 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type)
        mreg = snd_oss_minors[minor];
        if (mreg && mreg->type == type) {
                private_data = mreg->private_data;
-               if (mreg->card_ptr)
+               if (private_data && mreg->card_ptr)
                        atomic_inc(&mreg->card_ptr->refcount);
        } else
                private_data = NULL;
index ef68d71..e04e750 100644 (file)
@@ -426,7 +426,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = {
 },
 {
        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
-       .name =         "IEC958 Preample Capture Default",
+       .name =         "IEC958 Preamble Capture Default",
        .access =       SNDRV_CTL_ELEM_ACCESS_READ |
                SNDRV_CTL_ELEM_ACCESS_VOLATILE,
        .info =         snd_ak4113_spdif_pinfo,
index 816e7d2..5bf4fca 100644 (file)
@@ -401,7 +401,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = {
 },
 {
        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
-       .name =         "IEC958 Preample Capture Default",
+       .name =         "IEC958 Preamble Capture Default",
        .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
        .info =         snd_ak4114_spdif_pinfo,
        .get =          snd_ak4114_spdif_pget,
index b4b2a51..40e33c9 100644 (file)
@@ -380,7 +380,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = {
 },
 {
        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
-       .name =         "IEC958 Preample Capture Default",
+       .name =         "IEC958 Preamble Capture Default",
        .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
        .info =         snd_ak4117_spdif_pinfo,
        .get =          snd_ak4117_spdif_pget,
index 5d0e568..50169bc 100644 (file)
@@ -2655,6 +2655,8 @@ static struct ess_device_list pm_whitelist[] __devinitdata = {
        { TYPE_MAESTRO2E, 0x1179 },
        { TYPE_MAESTRO2E, 0x14c0 },     /* HP omnibook 4150 */
        { TYPE_MAESTRO2E, 0x1558 },
+       { TYPE_MAESTRO2E, 0x125d },     /* a PCI card, e.g. Terratec DMX */
+       { TYPE_MAESTRO2, 0x125d },      /* a PCI card, e.g. SF64-PCE2 */
 };
 
 static struct ess_device_list mpu_blacklist[] __devinitdata = {
index 72b085a..cd2dbaf 100644 (file)
@@ -3563,6 +3563,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
        /* Teradici */
        { PCI_DEVICE(0x6549, 0x1200),
          .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
+       { PCI_DEVICE(0x6549, 0x2200),
+         .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
        /* Creative X-Fi (CA0110-IBG) */
        /* CTHDA chips */
        { PCI_DEVICE(0x1102, 0x0010),
index cdd43ea..1eeba73 100644 (file)
@@ -545,6 +545,7 @@ static int ad198x_build_pcms(struct hda_codec *codec)
        if (spec->multiout.dig_out_nid) {
                info++;
                codec->num_pcms++;
+               codec->spdif_status_reset = 1;
                info->name = "AD198x Digital";
                info->pcm_type = HDA_PCM_TYPE_SPDIF;
                info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ad198x_pcm_digital_playback;
index 61a7113..d5f3a26 100644 (file)
@@ -101,8 +101,8 @@ enum {
 #define CS420X_VENDOR_NID      0x11
 #define CS_DIG_OUT1_PIN_NID    0x10
 #define CS_DIG_OUT2_PIN_NID    0x15
-#define CS_DMIC1_PIN_NID       0x12
-#define CS_DMIC2_PIN_NID       0x0e
+#define CS_DMIC1_PIN_NID       0x0e
+#define CS_DMIC2_PIN_NID       0x12
 
 /* coef indices */
 #define IDX_SPDIF_STAT         0x0000
@@ -1079,14 +1079,18 @@ static void init_input(struct hda_codec *codec)
                        cs_automic(codec, NULL);
 
                coef = 0x000a; /* ADC1/2 - Digital and Analog Soft Ramp */
+               cs_vendor_coef_set(codec, IDX_ADC_CFG, coef);
+
+               coef = cs_vendor_coef_get(codec, IDX_BEEP_CFG);
                if (is_active_pin(codec, CS_DMIC2_PIN_NID))
-                       coef |= 0x0500; /* DMIC2 2 chan on, GPIO1 off */
+                       coef |= 1 << 4; /* DMIC2 2 chan on, GPIO1 off */
                if (is_active_pin(codec, CS_DMIC1_PIN_NID))
-                       coef |= 0x1800; /* DMIC1 2 chan on, GPIO0 off
+                       coef |= 1 << 3; /* DMIC1 2 chan on, GPIO0 off
                                         * No effect if SPDIF_OUT2 is
                                         * selected in IDX_SPDIF_CTL.
                                        */
-               cs_vendor_coef_set(codec, IDX_ADC_CFG, coef);
+
+               cs_vendor_coef_set(codec, IDX_BEEP_CFG, coef);
        } else {
                if (spec->mic_detect)
                        cs_automic(codec, NULL);
@@ -1107,7 +1111,7 @@ static const struct hda_verb cs_coef_init_verbs[] = {
          | 0x0400 /* Disable Coefficient Auto increment */
          )},
        /* Beep */
-       {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
+       {0x11, AC_VERB_SET_COEF_INDEX, IDX_BEEP_CFG},
        {0x11, AC_VERB_SET_PROC_COEF, 0x0007}, /* Enable Beep thru DAC1/2/3 */
 
        {} /* terminator */
@@ -1728,8 +1732,7 @@ static int cs421x_mux_enum_put(struct snd_kcontrol *kcontrol,
 
 }
 
-static struct snd_kcontrol_new cs421x_capture_source = {
-
+static const struct snd_kcontrol_new cs421x_capture_source = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Capture Source",
        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -1946,7 +1949,7 @@ static int cs421x_suspend(struct hda_codec *codec)
 }
 #endif
 
-static struct hda_codec_ops cs421x_patch_ops = {
+static const struct hda_codec_ops cs421x_patch_ops = {
        .build_controls = cs421x_build_controls,
        .build_pcms = cs_build_pcms,
        .init = cs421x_init,
index f7397ad..c0ce3b1 100644 (file)
@@ -5840,7 +5840,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
        return alc_parse_auto_config(codec, alc269_ignore, ssids);
 }
 
-static void alc269_toggle_power_output(struct hda_codec *codec, int power_up)
+static void alc269vb_toggle_power_output(struct hda_codec *codec, int power_up)
 {
        int val = alc_read_coef_idx(codec, 0x04);
        if (power_up)
@@ -5857,10 +5857,10 @@ static void alc269_shutup(struct hda_codec *codec)
        if (spec->codec_variant != ALC269_TYPE_ALC269VB)
                return;
 
-       if ((alc_get_coef0(codec) & 0x00ff) == 0x017)
-               alc269_toggle_power_output(codec, 0);
-       if ((alc_get_coef0(codec) & 0x00ff) == 0x018) {
-               alc269_toggle_power_output(codec, 0);
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB)
+               alc269vb_toggle_power_output(codec, 0);
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB &&
+                       (alc_get_coef0(codec) & 0x00ff) == 0x018) {
                msleep(150);
        }
 }
@@ -5870,24 +5870,22 @@ static int alc269_resume(struct hda_codec *codec)
 {
        struct alc_spec *spec = codec->spec;
 
-       if (spec->codec_variant == ALC269_TYPE_ALC269VB ||
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB)
+               alc269vb_toggle_power_output(codec, 0);
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB &&
                        (alc_get_coef0(codec) & 0x00ff) == 0x018) {
-               alc269_toggle_power_output(codec, 0);
                msleep(150);
        }
 
        codec->patch_ops.init(codec);
 
-       if (spec->codec_variant == ALC269_TYPE_ALC269VB ||
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB)
+               alc269vb_toggle_power_output(codec, 1);
+       if (spec->codec_variant == ALC269_TYPE_ALC269VB &&
                        (alc_get_coef0(codec) & 0x00ff) == 0x017) {
-               alc269_toggle_power_output(codec, 1);
                msleep(200);
        }
 
-       if (spec->codec_variant == ALC269_TYPE_ALC269VB ||
-                       (alc_get_coef0(codec) & 0x00ff) == 0x018)
-               alc269_toggle_power_output(codec, 1);
-
        snd_hda_codec_resume_amp(codec);
        snd_hda_codec_resume_cache(codec);
        hda_call_check_power_status(codec, 0x01);
@@ -7079,6 +7077,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
          .patch = patch_alc662 },
        { .id = 0x10ec0663, .name = "ALC663", .patch = patch_alc662 },
        { .id = 0x10ec0665, .name = "ALC665", .patch = patch_alc662 },
+       { .id = 0x10ec0668, .name = "ALC668", .patch = patch_alc662 },
        { .id = 0x10ec0670, .name = "ALC670", .patch = patch_alc662 },
        { .id = 0x10ec0680, .name = "ALC680", .patch = patch_alc680 },
        { .id = 0x10ec0880, .name = "ALC880", .patch = patch_alc880 },
@@ -7096,6 +7095,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
        { .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc882 },
        { .id = 0x10ec0892, .name = "ALC892", .patch = patch_alc662 },
        { .id = 0x10ec0899, .name = "ALC898", .patch = patch_alc882 },
+       { .id = 0x10ec0900, .name = "ALC1150", .patch = patch_alc882 },
        {} /* terminator */
 };
 
index 72a2f60..019e1a0 100644 (file)
@@ -1809,11 +1809,11 @@ static int via_auto_fill_dac_nids(struct hda_codec *codec)
 {
        struct via_spec *spec = codec->spec;
        const struct auto_pin_cfg *cfg = &spec->autocfg;
-       int i, dac_num;
+       int i;
        hda_nid_t nid;
 
+       spec->multiout.num_dacs = 0;
        spec->multiout.dac_nids = spec->private_dac_nids;
-       dac_num = 0;
        for (i = 0; i < cfg->line_outs; i++) {
                hda_nid_t dac = 0;
                nid = cfg->line_out_pins[i];
@@ -1824,16 +1824,13 @@ static int via_auto_fill_dac_nids(struct hda_codec *codec)
                if (!i && parse_output_path(codec, nid, dac, 1,
                                            &spec->out_mix_path))
                        dac = spec->out_mix_path.path[0];
-               if (dac) {
-                       spec->private_dac_nids[i] = dac;
-                       dac_num++;
-               }
+               if (dac)
+                       spec->private_dac_nids[spec->multiout.num_dacs++] = dac;
        }
        if (!spec->out_path[0].depth && spec->out_mix_path.depth) {
                spec->out_path[0] = spec->out_mix_path;
                spec->out_mix_path.depth = 0;
        }
-       spec->multiout.num_dacs = dac_num;
        return 0;
 }
 
@@ -3628,6 +3625,7 @@ static void set_widgets_power_state_vt2002P(struct hda_codec *codec)
  */
 enum {
        VIA_FIXUP_INTMIC_BOOST,
+       VIA_FIXUP_ASUS_G75,
 };
 
 static void via_fixup_intmic_boost(struct hda_codec *codec,
@@ -3642,13 +3640,35 @@ static const struct hda_fixup via_fixups[] = {
                .type = HDA_FIXUP_FUNC,
                .v.func = via_fixup_intmic_boost,
        },
+       [VIA_FIXUP_ASUS_G75] = {
+               .type = HDA_FIXUP_PINS,
+               .v.pins = (const struct hda_pintbl[]) {
+                       /* set 0x24 and 0x33 as speakers */
+                       { 0x24, 0x991301f0 },
+                       { 0x33, 0x991301f1 }, /* subwoofer */
+                       { }
+               }
+       },
 };
 
 static const struct snd_pci_quirk vt2002p_fixups[] = {
+       SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75),
        SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST),
        {}
 };
 
+/* NIDs 0x24 and 0x33 on VT1802 have connections to non-existing NID 0x3e
+ * Replace this with mixer NID 0x1c
+ */
+static void fix_vt1802_connections(struct hda_codec *codec)
+{
+       static hda_nid_t conn_24[] = { 0x14, 0x1c };
+       static hda_nid_t conn_33[] = { 0x1c };
+
+       snd_hda_override_conn_list(codec, 0x24, ARRAY_SIZE(conn_24), conn_24);
+       snd_hda_override_conn_list(codec, 0x33, ARRAY_SIZE(conn_33), conn_33);
+}
+
 /* patch for vt2002P */
 static int patch_vt2002P(struct hda_codec *codec)
 {
@@ -3663,6 +3683,8 @@ static int patch_vt2002P(struct hda_codec *codec)
        spec->aa_mix_nid = 0x21;
        override_mic_boost(codec, 0x2b, 0, 3, 40);
        override_mic_boost(codec, 0x29, 0, 3, 40);
+       if (spec->codec_type == VT1802)
+               fix_vt1802_connections(codec);
        add_secret_dac_path(codec);
 
        snd_hda_pick_fixup(codec, NULL, vt2002p_fixups, via_fixups);
index f1cd1e3..748e36c 100644 (file)
@@ -3979,7 +3979,8 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
                case 8: /* SYNC IN */
                        val = hdspm_sync_in_sync_check(hdspm); break;
                default:
-                       val = hdspm_s1_sync_check(hdspm, ucontrol->id.index-1);
+                       val = hdspm_s1_sync_check(hdspm,
+                                       kcontrol->private_value-1);
                }
                break;
 
@@ -4899,7 +4900,7 @@ snd_hdspm_proc_read_madi(struct snd_info_entry * entry,
                insel = "Coaxial";
                break;
        default:
-               insel = "Unkown";
+               insel = "Unknown";
        }
 
        snd_iprintf(buffer,
index 6159929..4d8db36 100644 (file)
@@ -763,7 +763,7 @@ static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai,
        if ((freq >= CS42L52_MIN_CLK) && (freq <= CS42L52_MAX_CLK)) {
                cs42l52->sysclk = freq;
        } else {
-               dev_err(codec->dev, "Invalid freq paramter\n");
+               dev_err(codec->dev, "Invalid freq parameter\n");
                return -EINVAL;
        }
        return 0;
index 3fddc7a..b2b2b37 100644 (file)
@@ -3722,7 +3722,7 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
        } while (count--);
 
        if (count == 0)
-               dev_warn(codec->dev, "No impedence range reported for jack\n");
+               dev_warn(codec->dev, "No impedance range reported for jack\n");
 
 #ifndef CONFIG_SND_SOC_WM8994_MODULE
        trace_snd_soc_jack_irq(dev_name(codec->dev));
index 7f78c6d..34de6f2 100644 (file)
@@ -35,6 +35,7 @@
 
 #define EP_FLAG_ACTIVATED      0
 #define EP_FLAG_RUNNING                1
+#define EP_FLAG_STOPPING       2
 
 /*
  * snd_usb_endpoint is a model that abstracts everything related to an
@@ -502,10 +503,20 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep)
        if (alive)
                snd_printk(KERN_ERR "timeout: still %d active urbs on EP #%x\n",
                                        alive, ep->ep_num);
+       clear_bit(EP_FLAG_STOPPING, &ep->flags);
 
        return 0;
 }
 
+/* sync the pending stop operation;
+ * this function itself doesn't trigger the stop operation
+ */
+void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep)
+{
+       if (ep && test_bit(EP_FLAG_STOPPING, &ep->flags))
+               wait_clear_urbs(ep);
+}
+
 /*
  * unlink active urbs.
  */
@@ -918,6 +929,8 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
 
                if (wait)
                        wait_clear_urbs(ep);
+               else
+                       set_bit(EP_FLAG_STOPPING, &ep->flags);
        }
 }
 
index 6376ccf..3d4c970 100644 (file)
@@ -19,6 +19,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
 int  snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep);
 void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
                           int force, int can_sleep, int wait);
+void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
 int  snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
 int  snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
 void snd_usb_endpoint_free(struct list_head *head);
index 37428f7..5c12a3f 100644 (file)
@@ -568,6 +568,9 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
                goto unlock;
        }
 
+       snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint);
+       snd_usb_endpoint_sync_pending_stop(subs->data_endpoint);
+
        ret = set_format(subs, subs->cur_audiofmt);
        if (ret < 0)
                goto unlock;
index 4348014..85baf11 100644 (file)
@@ -1,4 +1,4 @@
-TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug epoll
+TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug
 
 all:
        for TARGET in $(TARGETS); do \
diff --git a/tools/testing/selftests/epoll/Makefile b/tools/testing/selftests/epoll/Makefile
deleted file mode 100644 (file)
index 19806ed..0000000
+++ /dev/null
@@ -1,11 +0,0 @@
-# Makefile for epoll selftests
-
-all: test_epoll
-%: %.c
-       gcc -pthread -g -o $@ $^
-
-run_tests: all
-       ./test_epoll
-
-clean:
-       $(RM) test_epoll
diff --git a/tools/testing/selftests/epoll/test_epoll.c b/tools/testing/selftests/epoll/test_epoll.c
deleted file mode 100644 (file)
index f752539..0000000
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- *  tools/testing/selftests/epoll/test_epoll.c
- *
- *  Copyright 2012 Adobe Systems Incorporated
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  Paton J. Lewis <palewis@adobe.com>
- *
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/epoll.h>
-#include <sys/socket.h>
-
-/*
- * A pointer to an epoll_item_private structure will be stored in the epoll
- * item's event structure so that we can get access to the epoll_item_private
- * data after calling epoll_wait:
- */
-struct epoll_item_private {
-       int index;  /* Position of this struct within the epoll_items array. */
-       int fd;
-       uint32_t events;
-       pthread_mutex_t mutex;  /* Guards the following variables... */
-       int stop;
-       int status;  /* Stores any error encountered while handling item. */
-       /* The following variable allows us to test whether we have encountered
-          a problem while attempting to cancel and delete the associated
-          event. When the test program exits, 'deleted' should be exactly
-          one. If it is greater than one, then the failed test reflects a real
-          world situation where we would have tried to access the epoll item's
-          private data after deleting it: */
-       int deleted;
-};
-
-struct epoll_item_private *epoll_items;
-
-/*
- * Delete the specified item from the epoll set. In a real-world secneario this
- * is where we would free the associated data structure, but in this testing
- * environment we retain the structure so that we can test for double-deletion:
- */
-void delete_item(int index)
-{
-       __sync_fetch_and_add(&epoll_items[index].deleted, 1);
-}
-
-/*
- * A pointer to a read_thread_data structure will be passed as the argument to
- * each read thread:
- */
-struct read_thread_data {
-       int stop;
-       int status;  /* Indicates any error encountered by the read thread. */
-       int epoll_set;
-};
-
-/*
- * The function executed by the read threads:
- */
-void *read_thread_function(void *function_data)
-{
-       struct read_thread_data *thread_data =
-               (struct read_thread_data *)function_data;
-       struct epoll_event event_data;
-       struct epoll_item_private *item_data;
-       char socket_data;
-
-       /* Handle events until we encounter an error or this thread's 'stop'
-          condition is set: */
-       while (1) {
-               int result = epoll_wait(thread_data->epoll_set,
-                                       &event_data,
-                                       1,      /* Number of desired events */
-                                       1000);  /* Timeout in ms */
-               if (result < 0) {
-                       /* Breakpoints signal all threads. Ignore that while
-                          debugging: */
-                       if (errno == EINTR)
-                               continue;
-                       thread_data->status = errno;
-                       return 0;
-               } else if (thread_data->stop)
-                       return 0;
-               else if (result == 0)  /* Timeout */
-                       continue;
-
-               /* We need the mutex here because checking for the stop
-                  condition and re-enabling the epoll item need to be done
-                  together as one atomic operation when EPOLL_CTL_DISABLE is
-                  available: */
-               item_data = (struct epoll_item_private *)event_data.data.ptr;
-               pthread_mutex_lock(&item_data->mutex);
-
-               /* Remove the item from the epoll set if we want to stop
-                  handling that event: */
-               if (item_data->stop)
-                       delete_item(item_data->index);
-               else {
-                       /* Clear the data that was written to the other end of
-                          our non-blocking socket: */
-                       do {
-                               if (read(item_data->fd, &socket_data, 1) < 1) {
-                                       if ((errno == EAGAIN) ||
-                                           (errno == EWOULDBLOCK))
-                                               break;
-                                       else
-                                               goto error_unlock;
-                               }
-                       } while (item_data->events & EPOLLET);
-
-                       /* The item was one-shot, so re-enable it: */
-                       event_data.events = item_data->events;
-                       if (epoll_ctl(thread_data->epoll_set,
-                                                 EPOLL_CTL_MOD,
-                                                 item_data->fd,
-                                                 &event_data) < 0)
-                               goto error_unlock;
-               }
-
-               pthread_mutex_unlock(&item_data->mutex);
-       }
-
-error_unlock:
-       thread_data->status = item_data->status = errno;
-       pthread_mutex_unlock(&item_data->mutex);
-       return 0;
-}
-
-/*
- * A pointer to a write_thread_data structure will be passed as the argument to
- * the write thread:
- */
-struct write_thread_data {
-       int stop;
-       int status;  /* Indicates any error encountered by the write thread. */
-       int n_fds;
-       int *fds;
-};
-
-/*
- * The function executed by the write thread. It writes a single byte to each
- * socket in turn until the stop condition for this thread is set. If writing to
- * a socket would block (i.e. errno was EAGAIN), we leave that socket alone for
- * the moment and just move on to the next socket in the list. We don't care
- * about the order in which we deliver events to the epoll set. In fact we don't
- * care about the data we're writing to the pipes at all; we just want to
- * trigger epoll events:
- */
-void *write_thread_function(void *function_data)
-{
-       const char data = 'X';
-       int index;
-       struct write_thread_data *thread_data =
-               (struct write_thread_data *)function_data;
-       while (!thread_data->stop)
-               for (index = 0;
-                    !thread_data->stop && (index < thread_data->n_fds);
-                    ++index)
-                       if ((write(thread_data->fds[index], &data, 1) < 1) &&
-                               (errno != EAGAIN) &&
-                               (errno != EWOULDBLOCK)) {
-                               thread_data->status = errno;
-                               return;
-                       }
-}
-
-/*
- * Arguments are currently ignored:
- */
-int main(int argc, char **argv)
-{
-       const int n_read_threads = 100;
-       const int n_epoll_items = 500;
-       int index;
-       int epoll_set = epoll_create1(0);
-       struct write_thread_data write_thread_data = {
-               0, 0, n_epoll_items, malloc(n_epoll_items * sizeof(int))
-       };
-       struct read_thread_data *read_thread_data =
-               malloc(n_read_threads * sizeof(struct read_thread_data));
-       pthread_t *read_threads = malloc(n_read_threads * sizeof(pthread_t));
-       pthread_t write_thread;
-
-       printf("-----------------\n");
-       printf("Runing test_epoll\n");
-       printf("-----------------\n");
-
-       epoll_items = malloc(n_epoll_items * sizeof(struct epoll_item_private));
-
-       if (epoll_set < 0 || epoll_items == 0 || write_thread_data.fds == 0 ||
-               read_thread_data == 0 || read_threads == 0)
-               goto error;
-
-       if (sysconf(_SC_NPROCESSORS_ONLN) < 2) {
-               printf("Error: please run this test on a multi-core system.\n");
-               goto error;
-       }
-
-       /* Create the socket pairs and epoll items: */
-       for (index = 0; index < n_epoll_items; ++index) {
-               int socket_pair[2];
-               struct epoll_event event_data;
-               if (socketpair(AF_UNIX,
-                              SOCK_STREAM | SOCK_NONBLOCK,
-                              0,
-                              socket_pair) < 0)
-                       goto error;
-               write_thread_data.fds[index] = socket_pair[0];
-               epoll_items[index].index = index;
-               epoll_items[index].fd = socket_pair[1];
-               if (pthread_mutex_init(&epoll_items[index].mutex, NULL) != 0)
-                       goto error;
-               /* We always use EPOLLONESHOT because this test is currently
-                  structured to demonstrate the need for EPOLL_CTL_DISABLE,
-                  which only produces useful information in the EPOLLONESHOT
-                  case (without EPOLLONESHOT, calling epoll_ctl with
-                  EPOLL_CTL_DISABLE will never return EBUSY). If support for
-                  testing events without EPOLLONESHOT is desired, it should
-                  probably be implemented in a separate unit test. */
-               epoll_items[index].events = EPOLLIN | EPOLLONESHOT;
-               if (index < n_epoll_items / 2)
-                       epoll_items[index].events |= EPOLLET;
-               epoll_items[index].stop = 0;
-               epoll_items[index].status = 0;
-               epoll_items[index].deleted = 0;
-               event_data.events = epoll_items[index].events;
-               event_data.data.ptr = &epoll_items[index];
-               if (epoll_ctl(epoll_set,
-                             EPOLL_CTL_ADD,
-                             epoll_items[index].fd,
-                             &event_data) < 0)
-                       goto error;
-       }
-
-       /* Create and start the read threads: */
-       for (index = 0; index < n_read_threads; ++index) {
-               read_thread_data[index].stop = 0;
-               read_thread_data[index].status = 0;
-               read_thread_data[index].epoll_set = epoll_set;
-               if (pthread_create(&read_threads[index],
-                                  NULL,
-                                  read_thread_function,
-                                  &read_thread_data[index]) != 0)
-                       goto error;
-       }
-
-       if (pthread_create(&write_thread,
-                          NULL,
-                          write_thread_function,
-                          &write_thread_data) != 0)
-               goto error;
-
-       /* Cancel all event pollers: */
-#ifdef EPOLL_CTL_DISABLE
-       for (index = 0; index < n_epoll_items; ++index) {
-               pthread_mutex_lock(&epoll_items[index].mutex);
-               ++epoll_items[index].stop;
-               if (epoll_ctl(epoll_set,
-                             EPOLL_CTL_DISABLE,
-                             epoll_items[index].fd,
-                             NULL) == 0)
-                       delete_item(index);
-               else if (errno != EBUSY) {
-                       pthread_mutex_unlock(&epoll_items[index].mutex);
-                       goto error;
-               }
-               /* EBUSY means events were being handled; allow the other thread
-                  to delete the item. */
-               pthread_mutex_unlock(&epoll_items[index].mutex);
-       }
-#else
-       for (index = 0; index < n_epoll_items; ++index) {
-               pthread_mutex_lock(&epoll_items[index].mutex);
-               ++epoll_items[index].stop;
-               pthread_mutex_unlock(&epoll_items[index].mutex);
-               /* Wait in case a thread running read_thread_function is
-                  currently executing code between epoll_wait and
-                  pthread_mutex_lock with this item. Note that a longer delay
-                  would make double-deletion less likely (at the expense of
-                  performance), but there is no guarantee that any delay would
-                  ever be sufficient. Note also that we delete all event
-                  pollers at once for testing purposes, but in a real-world
-                  environment we are likely to want to be able to cancel event
-                  pollers at arbitrary times. Therefore we can't improve this
-                  situation by just splitting this loop into two loops
-                  (i.e. signal 'stop' for all items, sleep, and then delete all
-                  items). We also can't fix the problem via EPOLL_CTL_DEL
-                  because that command can't prevent the case where some other
-                  thread is executing read_thread_function within the region
-                  mentioned above: */
-               usleep(1);
-               pthread_mutex_lock(&epoll_items[index].mutex);
-               if (!epoll_items[index].deleted)
-                       delete_item(index);
-               pthread_mutex_unlock(&epoll_items[index].mutex);
-       }
-#endif
-
-       /* Shut down the read threads: */
-       for (index = 0; index < n_read_threads; ++index)
-               __sync_fetch_and_add(&read_thread_data[index].stop, 1);
-       for (index = 0; index < n_read_threads; ++index) {
-               if (pthread_join(read_threads[index], NULL) != 0)
-                       goto error;
-               if (read_thread_data[index].status)
-                       goto error;
-       }
-
-       /* Shut down the write thread: */
-       __sync_fetch_and_add(&write_thread_data.stop, 1);
-       if ((pthread_join(write_thread, NULL) != 0) || write_thread_data.status)
-               goto error;
-
-       /* Check for final error conditions: */
-       for (index = 0; index < n_epoll_items; ++index) {
-               if (epoll_items[index].status != 0)
-                       goto error;
-               if (pthread_mutex_destroy(&epoll_items[index].mutex) < 0)
-                       goto error;
-       }
-       for (index = 0; index < n_epoll_items; ++index)
-               if (epoll_items[index].deleted != 1) {
-                       printf("Error: item data deleted %1d times.\n",
-                                  epoll_items[index].deleted);
-                       goto error;
-               }
-
-       printf("[PASS]\n");
-       return 0;
-
- error:
-       printf("[FAIL]\n");
-       return errno;
-}