Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
authorLinus Torvalds <torvalds@linux-foundation.org>
Sun, 12 Jun 2011 02:56:25 +0000 (19:56 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 12 Jun 2011 02:56:25 +0000 (19:56 -0700)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  AppArmor: Fix sleep in invalid context from task_setrlimit

99 files changed:
MAINTAINERS
Makefile
arch/powerpc/boot/.gitignore
arch/powerpc/boot/dtc-src/.gitignore [deleted file]
arch/powerpc/include/asm/rio.h
arch/powerpc/kernel/cputable.c
arch/powerpc/kernel/prom.c
arch/powerpc/mm/init_32.c
arch/powerpc/mm/init_64.c
arch/powerpc/mm/mem.c
arch/powerpc/sysdev/fsl_lbc.c
arch/sparc/Kconfig
arch/sparc/include/asm/floppy_32.h
arch/sparc/include/asm/floppy_64.h
arch/sparc/include/asm/leon.h
arch/sparc/include/asm/leon_pci.h [new file with mode: 0644]
arch/sparc/include/asm/pci_32.h
arch/sparc/include/asm/pcic.h
arch/sparc/include/asm/system_32.h
arch/sparc/include/asm/system_64.h
arch/sparc/kernel/Makefile
arch/sparc/kernel/apc.c
arch/sparc/kernel/auxio_32.c
arch/sparc/kernel/chmc.c
arch/sparc/kernel/entry.S
arch/sparc/kernel/leon_kernel.c
arch/sparc/kernel/leon_pci.c [new file with mode: 0644]
arch/sparc/kernel/leon_pci_grpci2.c [new file with mode: 0644]
arch/sparc/kernel/module.c
arch/sparc/kernel/pci_common.c
arch/sparc/kernel/pci_schizo.c
arch/sparc/kernel/prom_irqtrans.c
arch/sparc/kernel/psycho_common.c
arch/sparc/kernel/sbus.c
arch/sparc/kernel/setup_32.c
arch/sparc/kernel/setup_64.c
arch/sparc/kernel/smp_32.c
arch/sparc/kernel/sun4d_irq.c
arch/sparc/kernel/sys_sparc32.c
arch/sparc/kernel/sys_sparc_64.c
arch/sparc/kernel/time_64.c
arch/sparc/kernel/traps_64.c
arch/sparc/kernel/unaligned_64.c
arch/sparc/kernel/us2e_cpufreq.c
arch/sparc/kernel/us3_cpufreq.c
arch/sparc/kernel/viohs.c
arch/sparc/kernel/visemul.c
arch/sparc/mm/fault_32.c
arch/sparc/mm/init_32.c
arch/sparc/mm/init_64.c
arch/sparc/mm/srmmu.c
arch/sparc/mm/sun4c.c
arch/sparc/mm/tsb.c
arch/sparc/prom/console_32.c
arch/sparc/prom/init_32.c
arch/sparc/prom/mp.c
arch/unicore32/Kconfig
arch/unicore32/Makefile
arch/unicore32/boot/compressed/Makefile
arch/unicore32/configs/unicore32_defconfig [moved from arch/unicore32/configs/debug_defconfig with 97% similarity]
arch/unicore32/include/asm/Kbuild
arch/unicore32/kernel/Makefile
arch/unicore32/kernel/vmlinux.lds.S
arch/x86/kernel/process_32.c
arch/x86/kernel/process_64.c
drivers/ata/libata-eh.c
drivers/firmware/iscsi_ibft_find.c
drivers/media/video/cx23885/cx23885-cards.c
drivers/pci/Makefile
drivers/rtc/Kconfig
drivers/rtc/Makefile
drivers/rtc/rtc-puv3.c [moved from arch/unicore32/kernel/rtc.c with 98% similarity]
drivers/staging/Kconfig
drivers/staging/altera-stapl/altera-jtag.c
drivers/staging/altera-stapl/altera.c
drivers/staging/altera-stapl/altera.h [moved from include/staging/altera.h with 100% similarity]
drivers/staging/ath6kl/Kconfig
drivers/staging/ath6kl/os/linux/cfg80211.c
drivers/staging/brcm80211/brcmfmac/wl_iw.c
drivers/staging/gma500/psb_drv.c
drivers/staging/gma500/psb_fb.c
drivers/staging/gma500/psb_intel_bios.c
drivers/staging/iio/dac/max517.c
drivers/staging/iio/imu/adis16400_ring.c
drivers/staging/iio/industrialio-trigger.c
drivers/staging/mei/init.c
drivers/staging/olpc_dcon/Kconfig
drivers/staging/rts_pstor/sd.c
drivers/staging/usbip/stub_dev.c
drivers/staging/usbip/stub_rx.c
drivers/xen/swiotlb-xen.c
fs/exec.c
include/linux/seqlock.h
include/linux/swiotlb.h
lib/swiotlb.c
lib/vsprintf.c
scripts/Makefile.asm-generic
scripts/depmod.sh [new file with mode: 0755]
tools/perf/util/PERF-VERSION-GEN

index b5ea4d0..bbe49d8 100644 (file)
@@ -4945,6 +4945,7 @@ T:        git git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32.gi
 F:     drivers/input/serio/i8042-unicore32io.h
 F:     drivers/i2c/busses/i2c-puv3.c
 F:     drivers/video/fb-puv3.c
+F:     drivers/rtc/rtc-puv3.c
 
 PMC SIERRA MaxRAID DRIVER
 M:     Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
index 0f1db8d..72c0e32 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -378,7 +378,7 @@ KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
 KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
-KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
+KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
 
 export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
 export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
@@ -1005,7 +1005,7 @@ endef
 
 define filechk_version.h
        (echo \#define LINUX_VERSION_CODE $(shell                             \
-       expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL));     \
+       expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL));    \
        echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
 endef
 
@@ -1110,11 +1110,6 @@ modules_install: _modinst_ _modinst_post
 
 PHONY += _modinst_
 _modinst_:
-       @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
-               echo "Warning: you may need to install module-init-tools"; \
-               echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
-               sleep 1; \
-       fi
        @rm -rf $(MODLIB)/kernel
        @rm -f $(MODLIB)/source
        @mkdir -p $(MODLIB)/kernel
@@ -1531,12 +1526,7 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files))
 
 # Run depmod only if we have System.map and depmod is executable
 quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)
-      cmd_depmod = \
-       if [ -r System.map -a -x $(DEPMOD) ]; then                              \
-               $(DEPMOD) -ae -F System.map                                     \
-               $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) )     \
-               $(KERNELRELEASE);                                               \
-       fi
+      cmd_depmod = $(srctree)/scripts/depmod.sh $(DEPMOD) $(KERNELRELEASE)
 
 # Create temporary dir for module support files
 # clean it up only when building all modules
index 3d80c3e..12da77e 100644 (file)
@@ -1,5 +1,4 @@
 addnote
-dtc
 empty.c
 hack-coff
 infblock.c
diff --git a/arch/powerpc/boot/dtc-src/.gitignore b/arch/powerpc/boot/dtc-src/.gitignore
deleted file mode 100644 (file)
index a7c3f94..0000000
+++ /dev/null
@@ -1,3 +0,0 @@
-dtc-lexer.lex.c
-dtc-parser.tab.c
-dtc-parser.tab.h
index d902abd..b1d2dec 100644 (file)
@@ -14,7 +14,7 @@
 #define ASM_PPC_RIO_H
 
 extern void platform_rio_init(void);
-#ifdef CONFIG_RAPIDIO
+#ifdef CONFIG_FSL_RIO
 extern int fsl_rio_mcheck_exception(struct pt_regs *);
 #else
 static inline int fsl_rio_mcheck_exception(struct pt_regs *regs) {return 0; }
index 34d2722..9fb9332 100644 (file)
@@ -1979,7 +1979,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pvr_value              = 0x80240000,
                .cpu_name               = "e5500",
                .cpu_features           = CPU_FTRS_E5500,
-               .cpu_user_features      = COMMON_USER_BOOKE,
+               .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
                .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
                        MMU_FTR_USE_TLBILX,
                .icache_bsize           = 64,
index f2c906b..8c3112a 100644 (file)
@@ -82,11 +82,29 @@ static int __init early_parse_mem(char *p)
 }
 early_param("mem", early_parse_mem);
 
+/*
+ * overlaps_initrd - check for overlap with page aligned extension of
+ * initrd.
+ */
+static inline int overlaps_initrd(unsigned long start, unsigned long size)
+{
+#ifdef CONFIG_BLK_DEV_INITRD
+       if (!initrd_start)
+               return 0;
+
+       return  (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) &&
+                       start <= _ALIGN_UP(initrd_end, PAGE_SIZE);
+#else
+       return 0;
+#endif
+}
+
 /**
  * move_device_tree - move tree to an unused area, if needed.
  *
  * The device tree may be allocated beyond our memory limit, or inside the
- * crash kernel region for kdump. If so, move it out of the way.
+ * crash kernel region for kdump, or within the page aligned range of initrd.
+ * If so, move it out of the way.
  */
 static void __init move_device_tree(void)
 {
@@ -99,7 +117,8 @@ static void __init move_device_tree(void)
        size = be32_to_cpu(initial_boot_params->totalsize);
 
        if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) ||
-                       overlaps_crashkernel(start, size)) {
+                       overlaps_crashkernel(start, size) ||
+                       overlaps_initrd(start, size)) {
                p = __va(memblock_alloc(size, PAGE_SIZE));
                memcpy(p, initial_boot_params, size);
                initial_boot_params = (struct boot_param_header *)p;
@@ -555,7 +574,9 @@ static void __init early_reserve_mem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
        /* then reserve the initrd, if any */
        if (initrd_start && (initrd_end > initrd_start))
-               memblock_reserve(__pa(initrd_start), initrd_end - initrd_start);
+               memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE),
+                       _ALIGN_UP(initrd_end, PAGE_SIZE) -
+                       _ALIGN_DOWN(initrd_start, PAGE_SIZE));
 #endif /* CONFIG_BLK_DEV_INITRD */
 
 #ifdef CONFIG_PPC32
index d65b591..5de0f25 100644 (file)
@@ -223,21 +223,6 @@ void free_initmem(void)
 #undef FREESEC
 }
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-       if (start < end)
-               printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
-       for (; start < end; start += PAGE_SIZE) {
-               ClearPageReserved(virt_to_page(start));
-               init_page_count(virt_to_page(start));
-               free_page(start);
-               totalram_pages++;
-       }
-}
-#endif
-
-
 #ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */
 void setup_initial_memory_limit(phys_addr_t first_memblock_base,
                                phys_addr_t first_memblock_size)
index 6374b21..f6dbb4c 100644 (file)
@@ -99,20 +99,6 @@ void free_initmem(void)
                ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10);
 }
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-       if (start < end)
-               printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
-       for (; start < end; start += PAGE_SIZE) {
-               ClearPageReserved(virt_to_page(start));
-               init_page_count(virt_to_page(start));
-               free_page(start);
-               totalram_pages++;
-       }
-}
-#endif
-
 static void pgd_ctor(void *addr)
 {
        memset(addr, 0, PGD_TABLE_SIZE);
index 57e545b..29d4dde 100644 (file)
@@ -382,6 +382,25 @@ void __init mem_init(void)
        mem_init_done = 1;
 }
 
+#ifdef CONFIG_BLK_DEV_INITRD
+void __init free_initrd_mem(unsigned long start, unsigned long end)
+{
+       if (start >= end)
+               return;
+
+       start = _ALIGN_DOWN(start, PAGE_SIZE);
+       end = _ALIGN_UP(end, PAGE_SIZE);
+       pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+
+       for (; start < end; start += PAGE_SIZE) {
+               ClearPageReserved(virt_to_page(start));
+               init_page_count(virt_to_page(start));
+               free_page(start);
+               totalram_pages++;
+       }
+}
+#endif
+
 /*
  * This is called when a page has been modified by the kernel.
  * It just marks the page as not i-cache clean.  We do the i-cache
index 0608b16..d917573 100644 (file)
@@ -196,9 +196,6 @@ static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl,
        out_be32(&lbc->lteccr, LTECCR_CLEAR);
        out_be32(&lbc->ltedr, LTEDR_ENABLE);
 
-       /* Enable interrupts for any detected events */
-       out_be32(&lbc->lteir, LTEIR_ENABLE);
-
        /* Set the monitor timeout value to the maximum for erratum A001 */
        if (of_device_is_compatible(node, "fsl,elbc"))
                clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS);
@@ -322,6 +319,9 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev)
                goto err;
        }
 
+       /* Enable interrupts for any detected events */
+       out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE);
+
        return 0;
 
 err:
index af32e17..253986b 100644 (file)
@@ -26,7 +26,6 @@ config SPARC
        select HAVE_DMA_API_DEBUG
        select HAVE_ARCH_JUMP_LABEL
        select HAVE_GENERIC_HARDIRQS
-       select GENERIC_HARDIRQS_NO_DEPRECATED
        select GENERIC_IRQ_SHOW
        select USE_GENERIC_SMP_HELPERS if SMP
 
@@ -528,6 +527,23 @@ config PCI_DOMAINS
 config PCI_SYSCALL
        def_bool PCI
 
+config PCIC_PCI
+       bool
+       depends on PCI && SPARC32 && !SPARC_LEON
+       default y
+
+config LEON_PCI
+       bool
+       depends on PCI && SPARC_LEON
+       default y
+
+config GRPCI2
+       bool "GRPCI2 Host Bridge Support"
+       depends on LEON_PCI
+       default y
+       help
+         Say Y here to include the GRPCI2 Host Bridge Driver.
+
 source "drivers/pci/Kconfig"
 
 source "drivers/pcmcia/Kconfig"
index 482c79e..7440915 100644 (file)
@@ -138,7 +138,7 @@ static unsigned char sun_82072_fd_inb(int port)
                return sun_fdc->data_82072;
        case 7: /* FD_DIR */
                return sun_read_dir();
-       };
+       }
        panic("sun_82072_fd_inb: How did I get here?");
 }
 
@@ -161,7 +161,7 @@ static void sun_82072_fd_outb(unsigned char value, int port)
        case 4: /* FD_STATUS */
                sun_fdc->status_82072 = value;
                break;
-       };
+       }
        return;
 }
 
@@ -186,7 +186,7 @@ static unsigned char sun_82077_fd_inb(int port)
                return sun_fdc->data_82077;
        case 7: /* FD_DIR */
                return sun_read_dir();
-       };
+       }
        panic("sun_82077_fd_inb: How did I get here?");
 }
 
@@ -212,7 +212,7 @@ static void sun_82077_fd_outb(unsigned char value, int port)
        case 3: /* FD_TDR */
                sun_fdc->tapectl_82077 = value;
                break;
-       };
+       }
        return;
 }
 
index 6597ce8..bcef1f5 100644 (file)
@@ -111,7 +111,7 @@ static unsigned char sun_82077_fd_inb(unsigned long port)
        case 7: /* FD_DIR */
                /* XXX: Is DCL on 0x80 in sun4m? */
                return sbus_readb(&sun_fdc->dir_82077);
-       };
+       }
        panic("sun_82072_fd_inb: How did I get here?");
 }
 
@@ -135,7 +135,7 @@ static void sun_82077_fd_outb(unsigned char value, unsigned long port)
        case 4: /* FD_STATUS */
                sbus_writeb(value, &sun_fdc->status_82077);
                break;
-       };
+       }
        return;
 }
 
index 6bdaf1e..a4e457f 100644 (file)
@@ -318,6 +318,9 @@ struct device_node;
 extern unsigned int leon_build_device_irq(unsigned int real_irq,
                                           irq_flow_handler_t flow_handler,
                                           const char *name, int do_ack);
+extern void leon_update_virq_handling(unsigned int virq,
+                             irq_flow_handler_t flow_handler,
+                             const char *name, int do_ack);
 extern void leon_clear_clock_irq(void);
 extern void leon_load_profile_irq(int cpu, unsigned int limit);
 extern void leon_init_timers(irq_handler_t counter_fn);
diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h
new file mode 100644 (file)
index 0000000..42b4b31
--- /dev/null
@@ -0,0 +1,21 @@
+/*
+ * asm/leon_pci.h
+ *
+ * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom
+ */
+
+#ifndef _ASM_LEON_PCI_H_
+#define _ASM_LEON_PCI_H_
+
+/* PCI related definitions */
+struct leon_pci_info {
+       struct pci_ops *ops;
+       struct resource io_space;
+       struct resource mem_space;
+       int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
+};
+
+extern void leon_pci_init(struct platform_device *ofdev,
+                               struct leon_pci_info *info);
+
+#endif /* _ASM_LEON_PCI_H_ */
index 332ac9a..862e3ce 100644 (file)
@@ -47,7 +47,31 @@ extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev);
 
 #endif /* __KERNEL__ */
 
+#ifndef CONFIG_LEON_PCI
 /* generic pci stuff */
 #include <asm-generic/pci.h>
+#else
+/*
+ * On LEON PCI Memory space is mapped 1:1 with physical address space.
+ *
+ * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
+ * are converted into CPU addresses to virtual addresses that are mapped with
+ * MMU to the PCI Host PCI I/O space window which are translated to the low
+ * 64Kbytes by the Host controller.
+ */
+
+extern void
+pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+                       struct resource *res);
+
+extern void
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                       struct pci_bus_region *region);
+
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+       return PCI_IRQ_NONE;
+}
+#endif
 
 #endif /* __SPARC_PCI_H */
index 7eb5d78..6676cbc 100644 (file)
@@ -29,7 +29,7 @@ struct linux_pcic {
        int                     pcic_imdim;
 };
 
-#ifdef CONFIG_PCI
+#ifdef CONFIG_PCIC_PCI
 extern int pcic_present(void);
 extern int pcic_probe(void);
 extern void pci_time_init(void);
index 47a7e86..aba1609 100644 (file)
@@ -220,7 +220,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int
        switch (size) {
        case 4:
                return xchg_u32(ptr, x);
-       };
+       }
        __xchg_called_with_bad_pointer();
        return x;
 }
index 3c96d3b..10bcabc 100644 (file)
@@ -234,7 +234,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr,
                return xchg32(ptr, x);
        case 8:
                return xchg64(ptr, x);
-       };
+       }
        __xchg_called_with_bad_pointer();
        return x;
 }
index 9cff270..b90b4a1 100644 (file)
@@ -73,7 +73,9 @@ obj-$(CONFIG_SPARC64_SMP) += cpumap.o
 
 obj-y                     += dma.o
 
-obj-$(CONFIG_SPARC32_PCI) += pcic.o
+obj-$(CONFIG_PCIC_PCI)    += pcic.o
+obj-$(CONFIG_LEON_PCI)    += leon_pci.o
+obj-$(CONFIG_GRPCI2)      += leon_pci_grpci2.o
 
 obj-$(CONFIG_SMP)         += trampoline_$(BITS).o smp_$(BITS).o
 obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o leon_smp.o
index 1e34f29..caef9de 100644 (file)
@@ -123,7 +123,7 @@ static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg)
 
        default:
                return -EINVAL;
-       };
+       }
 
        return 0;
 }
index 8505e0a..acf5151 100644 (file)
@@ -101,7 +101,7 @@ void set_auxio(unsigned char bits_on, unsigned char bits_off)
                break;
        default:
                panic("Can't set AUXIO register on this machine.");
-       };
+       }
        spin_unlock_irqrestore(&auxio_lock, flags);
 }
 EXPORT_SYMBOL(set_auxio);
index 668c7be..5f45026 100644 (file)
@@ -664,7 +664,7 @@ static void chmc_interpret_one_decode_reg(struct chmc *p, int which_bank, u64 va
        case 0x0:
                bp->interleave = 16;
                break;
-       };
+       }
 
        /* UK[10] is reserved, and UK[11] is not set for the SDRAM
         * bank size definition.
index 8341963..9fe08a1 100644 (file)
@@ -229,7 +229,7 @@ real_irq_entry:
 #ifdef CONFIG_SMP
        .globl  patchme_maybe_smp_msg
 
-       cmp     %l7, 12
+       cmp     %l7, 11
 patchme_maybe_smp_msg:
        bgu     maybe_smp4m_msg
         nop
@@ -293,7 +293,7 @@ maybe_smp4m_msg:
        WRITE_PAUSE
        wr      %l4, PSR_ET, %psr
        WRITE_PAUSE
-       sll     %o2, 28, %o2            ! shift for simpler checks below
+       sll     %o3, 28, %o2            ! shift for simpler checks below
 maybe_smp4m_msg_check_single:
        andcc   %o2, 0x1, %g0
        beq,a   maybe_smp4m_msg_check_mask
@@ -1604,7 +1604,7 @@ restore_current:
        retl
         nop
 
-#ifdef CONFIG_PCI
+#ifdef CONFIG_PCIC_PCI
 #include <asm/pcic.h>
 
        .align  4
@@ -1650,7 +1650,7 @@ pcic_nmi_trap_patch:
         rd     %psr, %l0
        .word   0
 
-#endif /* CONFIG_PCI */
+#endif /* CONFIG_PCIC_PCI */
 
        .globl  flushw_all
 flushw_all:
index 2f538ac..d17255a 100644 (file)
@@ -236,6 +236,21 @@ static unsigned int _leon_build_device_irq(struct platform_device *op,
        return leon_build_device_irq(real_irq, handle_simple_irq, "edge", 0);
 }
 
+void leon_update_virq_handling(unsigned int virq,
+                             irq_flow_handler_t flow_handler,
+                             const char *name, int do_ack)
+{
+       unsigned long mask = (unsigned long)irq_get_chip_data(virq);
+
+       mask &= ~LEON_DO_ACK_HW;
+       if (do_ack)
+               mask |= LEON_DO_ACK_HW;
+
+       irq_set_chip_and_handler_name(virq, &leon_irq,
+                                     flow_handler, name);
+       irq_set_chip_data(virq, (void *)mask);
+}
+
 void __init leon_init_timers(irq_handler_t counter_fn)
 {
        int irq, eirq;
@@ -361,6 +376,22 @@ void __init leon_init_timers(irq_handler_t counter_fn)
                prom_halt();
        }
 
+#ifdef CONFIG_SMP
+       {
+               unsigned long flags;
+
+               /*
+                * In SMP, sun4m adds a IPI handler to IRQ trap handler that
+                * LEON never must take, sun4d and LEON overwrites the branch
+                * with a NOP.
+                */
+               local_irq_save(flags);
+               patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */
+               local_flush_cache_all();
+               local_irq_restore(flags);
+       }
+#endif
+
        LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl,
                              LEON3_GPTIMER_EN |
                              LEON3_GPTIMER_RL |
diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
new file mode 100644 (file)
index 0000000..a8a9a27
--- /dev/null
@@ -0,0 +1,253 @@
+/*
+ * leon_pci.c: LEON Host PCI support
+ *
+ * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom
+ *
+ * Code is partially derived from pcic.c
+ */
+
+#include <linux/of_device.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <asm/leon.h>
+#include <asm/leon_pci.h>
+
+/* The LEON architecture does not rely on a BIOS or bootloader to setup
+ * PCI for us. The Linux generic routines are used to setup resources,
+ * reset values of confuration-space registers settings ae preseved.
+ */
+void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
+{
+       struct pci_bus *root_bus;
+
+       root_bus = pci_scan_bus_parented(&ofdev->dev, 0, info->ops, info);
+       if (root_bus) {
+               root_bus->resource[0] = &info->io_space;
+               root_bus->resource[1] = &info->mem_space;
+               root_bus->resource[2] = NULL;
+
+               /* Init all PCI devices into PCI tree */
+               pci_bus_add_devices(root_bus);
+
+               /* Setup IRQs of all devices using custom routines */
+               pci_fixup_irqs(pci_common_swizzle, info->map_irq);
+
+               /* Assign devices with resources */
+               pci_assign_unassigned_resources();
+       }
+}
+
+/* PCI Memory and Prefetchable Memory is direct-mapped. However I/O Space is
+ * accessed through a Window which is translated to low 64KB in PCI space, the
+ * first 4KB is not used so 60KB is available.
+ *
+ * This function is used by generic code to translate resource addresses into
+ * PCI addresses.
+ */
+void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+                            struct resource *res)
+{
+       struct leon_pci_info *info = dev->bus->sysdata;
+
+       region->start = res->start;
+       region->end = res->end;
+
+       if (res->flags & IORESOURCE_IO) {
+               region->start -= (info->io_space.start - 0x1000);
+               region->end -= (info->io_space.start - 0x1000);
+       }
+}
+EXPORT_SYMBOL(pcibios_resource_to_bus);
+
+/* see pcibios_resource_to_bus() comment */
+void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                            struct pci_bus_region *region)
+{
+       struct leon_pci_info *info = dev->bus->sysdata;
+
+       res->start = region->start;
+       res->end = region->end;
+
+       if (res->flags & IORESOURCE_IO) {
+               res->start += (info->io_space.start - 0x1000);
+               res->end += (info->io_space.start - 0x1000);
+       }
+}
+EXPORT_SYMBOL(pcibios_bus_to_resource);
+
+void __devinit pcibios_fixup_bus(struct pci_bus *pbus)
+{
+       struct leon_pci_info *info = pbus->sysdata;
+       struct pci_dev *dev;
+       int i, has_io, has_mem;
+       u16 cmd;
+
+       /* Generic PCI bus probing sets these to point at
+        * &io{port,mem}_resouce which is wrong for us.
+        */
+       if (pbus->self == NULL) {
+               pbus->resource[0] = &info->io_space;
+               pbus->resource[1] = &info->mem_space;
+               pbus->resource[2] = NULL;
+       }
+
+       list_for_each_entry(dev, &pbus->devices, bus_list) {
+               /*
+                * We can not rely on that the bootloader has enabled I/O
+                * or memory access to PCI devices. Instead we enable it here
+                * if the device has BARs of respective type.
+                */
+               has_io = has_mem = 0;
+               for (i = 0; i < PCI_ROM_RESOURCE; i++) {
+                       unsigned long f = dev->resource[i].flags;
+                       if (f & IORESOURCE_IO)
+                               has_io = 1;
+                       else if (f & IORESOURCE_MEM)
+                               has_mem = 1;
+               }
+               /* ROM BARs are mapped into 32-bit memory space */
+               if (dev->resource[PCI_ROM_RESOURCE].end != 0) {
+                       dev->resource[PCI_ROM_RESOURCE].flags |=
+                                                       IORESOURCE_ROM_ENABLE;
+                       has_mem = 1;
+               }
+               pci_bus_read_config_word(pbus, dev->devfn, PCI_COMMAND, &cmd);
+               if (has_io && !(cmd & PCI_COMMAND_IO)) {
+#ifdef CONFIG_PCI_DEBUG
+                       printk(KERN_INFO "LEONPCI: Enabling I/O for dev %s\n",
+                                        pci_name(dev));
+#endif
+                       cmd |= PCI_COMMAND_IO;
+                       pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND,
+                                                                       cmd);
+               }
+               if (has_mem && !(cmd & PCI_COMMAND_MEMORY)) {
+#ifdef CONFIG_PCI_DEBUG
+                       printk(KERN_INFO "LEONPCI: Enabling MEMORY for dev"
+                                        "%s\n", pci_name(dev));
+#endif
+                       cmd |= PCI_COMMAND_MEMORY;
+                       pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND,
+                                                                       cmd);
+               }
+       }
+}
+
+/*
+ * Other archs parse arguments here.
+ */
+char * __devinit pcibios_setup(char *str)
+{
+       return str;
+}
+
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+                               resource_size_t size, resource_size_t align)
+{
+       return res->start;
+}
+
+int pcibios_enable_device(struct pci_dev *dev, int mask)
+{
+       return pci_enable_resources(dev, mask);
+}
+
+struct device_node *pci_device_to_OF_node(struct pci_dev *pdev)
+{
+       /*
+        * Currently the OpenBoot nodes are not connected with the PCI device,
+        * this is because the LEON PROM does not create PCI nodes. Eventually
+        * this will change and the same approach as pcic.c can be used to
+        * match PROM nodes with pci devices.
+        */
+       return NULL;
+}
+EXPORT_SYMBOL(pci_device_to_OF_node);
+
+void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
+{
+#ifdef CONFIG_PCI_DEBUG
+       printk(KERN_DEBUG "LEONPCI: Assigning IRQ %02d to %s\n", irq,
+               pci_name(dev));
+#endif
+       pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
+}
+
+/* in/out routines taken from pcic.c
+ *
+ * This probably belongs here rather than ioport.c because
+ * we do not want this crud linked into SBus kernels.
+ * Also, think for a moment about likes of floppy.c that
+ * include architecture specific parts. They may want to redefine ins/outs.
+ *
+ * We do not use horrible macros here because we want to
+ * advance pointer by sizeof(size).
+ */
+void outsb(unsigned long addr, const void *src, unsigned long count)
+{
+       while (count) {
+               count -= 1;
+               outb(*(const char *)src, addr);
+               src += 1;
+               /* addr += 1; */
+       }
+}
+EXPORT_SYMBOL(outsb);
+
+void outsw(unsigned long addr, const void *src, unsigned long count)
+{
+       while (count) {
+               count -= 2;
+               outw(*(const short *)src, addr);
+               src += 2;
+               /* addr += 2; */
+       }
+}
+EXPORT_SYMBOL(outsw);
+
+void outsl(unsigned long addr, const void *src, unsigned long count)
+{
+       while (count) {
+               count -= 4;
+               outl(*(const long *)src, addr);
+               src += 4;
+               /* addr += 4; */
+       }
+}
+EXPORT_SYMBOL(outsl);
+
+void insb(unsigned long addr, void *dst, unsigned long count)
+{
+       while (count) {
+               count -= 1;
+               *(unsigned char *)dst = inb(addr);
+               dst += 1;
+               /* addr += 1; */
+       }
+}
+EXPORT_SYMBOL(insb);
+
+void insw(unsigned long addr, void *dst, unsigned long count)
+{
+       while (count) {
+               count -= 2;
+               *(unsigned short *)dst = inw(addr);
+               dst += 2;
+               /* addr += 2; */
+       }
+}
+EXPORT_SYMBOL(insw);
+
+void insl(unsigned long addr, void *dst, unsigned long count)
+{
+       while (count) {
+               count -= 4;
+               /*
+                * XXX I am sure we are in for an unaligned trap here.
+                */
+               *(unsigned long *)dst = inl(addr);
+               dst += 4;
+               /* addr += 4; */
+       }
+}
+EXPORT_SYMBOL(insl);
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
new file mode 100644 (file)
index 0000000..44dc093
--- /dev/null
@@ -0,0 +1,897 @@
+/*
+ * leon_pci_grpci2.c: GRPCI2 Host PCI driver
+ *
+ * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom
+ *
+ */
+
+#include <linux/of_device.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <asm/io.h>
+#include <asm/leon.h>
+#include <asm/vaddrs.h>
+#include <asm/sections.h>
+#include <asm/leon_pci.h>
+
+#include "irq.h"
+
+struct grpci2_barcfg {
+       unsigned long pciadr;   /* PCI Space Address */
+       unsigned long ahbadr;   /* PCI Base address mapped to this AHB addr */
+};
+
+/* Device Node Configuration options:
+ *  - barcfgs    : Custom Configuration of Host's 6 target BARs
+ *  - irq_mask   : Limit which PCI interrupts are enabled
+ *  - do_reset   : Force PCI Reset on startup
+ *
+ * barcfgs
+ * =======
+ *
+ * Optional custom Target BAR configuration (see struct grpci2_barcfg). All
+ * addresses are physical. Array always contains 6 elements (len=2*4*6 bytes)
+ *
+ * -1 means not configured (let host driver do default setup).
+ *
+ * [i*2+0] = PCI Address of BAR[i] on target interface
+ * [i*2+1] = Accessing PCI address of BAR[i] result in this AMBA address
+ *
+ *
+ * irq_mask
+ * ========
+ *
+ * Limit which PCI interrupts are enabled. 0=Disable, 1=Enable. By default
+ * all are enabled. Use this when PCI interrupt pins are floating on PCB.
+ * int, len=4.
+ *  bit0 = PCI INTA#
+ *  bit1 = PCI INTB#
+ *  bit2 = PCI INTC#
+ *  bit3 = PCI INTD#
+ *
+ *
+ * reset
+ * =====
+ *
+ * Force PCI reset on startup. int, len=4
+ */
+
+/* Enable Debugging Configuration Space Access */
+#undef GRPCI2_DEBUG_CFGACCESS
+
+/*
+ * GRPCI2 APB Register MAP
+ */
+struct grpci2_regs {
+       unsigned int ctrl;              /* 0x00 Control */
+       unsigned int sts_cap;           /* 0x04 Status / Capabilities */
+       int res1;                       /* 0x08 */
+       unsigned int io_map;            /* 0x0C I/O Map address */
+       unsigned int dma_ctrl;          /* 0x10 DMA */
+       unsigned int dma_bdbase;        /* 0x14 DMA */
+       int res2[2];                    /* 0x18 */
+       unsigned int bars[6];           /* 0x20 read-only PCI BARs */
+       int res3[2];                    /* 0x38 */
+       unsigned int ahbmst_map[16];    /* 0x40 AHB->PCI Map per AHB Master */
+
+       /* PCI Trace Buffer Registers (OPTIONAL) */
+       unsigned int t_ctrl;            /* 0x80 */
+       unsigned int t_cnt;             /* 0x84 */
+       unsigned int t_adpat;           /* 0x88 */
+       unsigned int t_admask;          /* 0x8C */
+       unsigned int t_sigpat;          /* 0x90 */
+       unsigned int t_sigmask;         /* 0x94 */
+       unsigned int t_adstate;         /* 0x98 */
+       unsigned int t_sigstate;        /* 0x9C */
+};
+
+#define REGLOAD(a)     (be32_to_cpu(__raw_readl(&(a))))
+#define REGSTORE(a, v) (__raw_writel(cpu_to_be32(v), &(a)))
+
+#define CTRL_BUS_BIT 16
+
+#define CTRL_RESET (1<<31)
+#define CTRL_SI (1<<27)
+#define CTRL_PE (1<<26)
+#define CTRL_EI (1<<25)
+#define CTRL_ER (1<<24)
+#define CTRL_BUS (0xff<<CTRL_BUS_BIT)
+#define CTRL_HOSTINT 0xf
+
+#define STS_HOST_BIT   31
+#define STS_MST_BIT    30
+#define STS_TAR_BIT    29
+#define STS_DMA_BIT    28
+#define STS_DI_BIT     27
+#define STS_HI_BIT     26
+#define STS_IRQMODE_BIT        24
+#define STS_TRACE_BIT  23
+#define STS_CFGERRVALID_BIT 20
+#define STS_CFGERR_BIT 19
+#define STS_INTTYPE_BIT        12
+#define STS_INTSTS_BIT 8
+#define STS_FDEPTH_BIT 2
+#define STS_FNUM_BIT   0
+
+#define STS_HOST       (1<<STS_HOST_BIT)
+#define STS_MST                (1<<STS_MST_BIT)
+#define STS_TAR                (1<<STS_TAR_BIT)
+#define STS_DMA                (1<<STS_DMA_BIT)
+#define STS_DI         (1<<STS_DI_BIT)
+#define STS_HI         (1<<STS_HI_BIT)
+#define STS_IRQMODE    (0x3<<STS_IRQMODE_BIT)
+#define STS_TRACE      (1<<STS_TRACE_BIT)
+#define STS_CFGERRVALID        (1<<STS_CFGERRVALID_BIT)
+#define STS_CFGERR     (1<<STS_CFGERR_BIT)
+#define STS_INTTYPE    (0x3f<<STS_INTTYPE_BIT)
+#define STS_INTSTS     (0xf<<STS_INTSTS_BIT)
+#define STS_FDEPTH     (0x7<<STS_FDEPTH_BIT)
+#define STS_FNUM       (0x3<<STS_FNUM_BIT)
+
+#define STS_ISYSERR    (1<<17)
+#define STS_IDMA       (1<<16)
+#define STS_IDMAERR    (1<<15)
+#define STS_IMSTABRT   (1<<14)
+#define STS_ITGTABRT   (1<<13)
+#define STS_IPARERR    (1<<12)
+
+#define STS_ERR_IRQ (STS_ISYSERR | STS_IMSTABRT | STS_ITGTABRT | STS_IPARERR)
+
+struct grpci2_bd_chan {
+       unsigned int ctrl;      /* 0x00 DMA Control */
+       unsigned int nchan;     /* 0x04 Next DMA Channel Address */
+       unsigned int nbd;       /* 0x08 Next Data Descriptor in chan */
+       unsigned int res;       /* 0x0C Reserved */
+};
+
+#define BD_CHAN_EN             0x80000000
+#define BD_CHAN_TYPE           0x00300000
+#define BD_CHAN_BDCNT          0x0000ffff
+#define BD_CHAN_EN_BIT         31
+#define BD_CHAN_TYPE_BIT       20
+#define BD_CHAN_BDCNT_BIT      0
+
+struct grpci2_bd_data {
+       unsigned int ctrl;      /* 0x00 DMA Data Control */
+       unsigned int pci_adr;   /* 0x04 PCI Start Address */
+       unsigned int ahb_adr;   /* 0x08 AHB Start address */
+       unsigned int next;      /* 0x0C Next Data Descriptor in chan */
+};
+
+#define BD_DATA_EN             0x80000000
+#define BD_DATA_IE             0x40000000
+#define BD_DATA_DR             0x20000000
+#define BD_DATA_TYPE           0x00300000
+#define BD_DATA_ER             0x00080000
+#define BD_DATA_LEN            0x0000ffff
+#define BD_DATA_EN_BIT         31
+#define BD_DATA_IE_BIT         30
+#define BD_DATA_DR_BIT         29
+#define BD_DATA_TYPE_BIT       20
+#define BD_DATA_ER_BIT         19
+#define BD_DATA_LEN_BIT                0
+
+/* GRPCI2 Capability */
+struct grpci2_cap_first {
+       unsigned int ctrl;
+       unsigned int pci2ahb_map[6];
+       unsigned int ext2ahb_map;
+       unsigned int io_map;
+       unsigned int pcibar_size[6];
+};
+#define CAP9_CTRL_OFS 0
+#define CAP9_BAR_OFS 0x4
+#define CAP9_IOMAP_OFS 0x20
+#define CAP9_BARSIZE_OFS 0x24
+
+struct grpci2_priv {
+       struct leon_pci_info    info; /* must be on top of this structure */
+       struct grpci2_regs      *regs;
+       char                    irq;
+       char                    irq_mode; /* IRQ Mode from CAPSTS REG */
+       char                    bt_enabled;
+       char                    do_reset;
+       char                    irq_mask;
+       u32                     pciid; /* PCI ID of Host */
+       unsigned char           irq_map[4];
+
+       /* Virtual IRQ numbers */
+       unsigned int            virq_err;
+       unsigned int            virq_dma;
+
+       /* AHB PCI Windows */
+       unsigned long           pci_area;       /* MEMORY */
+       unsigned long           pci_area_end;
+       unsigned long           pci_io;         /* I/O */
+       unsigned long           pci_conf;       /* CONFIGURATION */
+       unsigned long           pci_conf_end;
+       unsigned long           pci_io_va;
+
+       struct grpci2_barcfg    tgtbars[6];
+};
+
+DEFINE_SPINLOCK(grpci2_dev_lock);
+struct grpci2_priv *grpci2priv;
+
+int grpci2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+       struct grpci2_priv *priv = dev->bus->sysdata;
+       int irq_group;
+
+       /* Use default IRQ decoding on PCI BUS0 according slot numbering */
+       irq_group = slot & 0x3;
+       pin = ((pin - 1) + irq_group) & 0x3;
+
+       return priv->irq_map[pin];
+}
+
+static int grpci2_cfg_r32(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 *val)
+{
+       unsigned int *pci_conf;
+       unsigned long flags;
+       u32 tmp;
+
+       if (where & 0x3)
+               return -EINVAL;
+
+       if (bus == 0 && PCI_SLOT(devfn) != 0)
+               devfn += (0x8 * 6);
+
+       /* Select bus */
+       spin_lock_irqsave(&grpci2_dev_lock, flags);
+       REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) |
+                                  (bus << 16));
+       spin_unlock_irqrestore(&grpci2_dev_lock, flags);
+
+       /* clear old status */
+       REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID));
+
+       pci_conf = (unsigned int *) (priv->pci_conf |
+                                               (devfn << 8) | (where & 0xfc));
+       tmp = LEON3_BYPASS_LOAD_PA(pci_conf);
+
+       /* Wait until GRPCI2 signals that CFG access is done, it should be
+        * done instantaneously unless a DMA operation is ongoing...
+        */
+       while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0)
+               ;
+
+       if (REGLOAD(priv->regs->sts_cap) & STS_CFGERR) {
+               *val = 0xffffffff;
+       } else {
+               /* Bus always little endian (unaffected by byte-swapping) */
+               *val = flip_dword(tmp);
+       }
+
+       return 0;
+}
+
+static int grpci2_cfg_r16(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 *val)
+{
+       u32 v;
+       int ret;
+
+       if (where & 0x1)
+               return -EINVAL;
+       ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v);
+       *val = 0xffff & (v >> (8 * (where & 0x3)));
+       return ret;
+}
+
+static int grpci2_cfg_r8(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 *val)
+{
+       u32 v;
+       int ret;
+
+       ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v);
+       *val = 0xff & (v >> (8 * (where & 3)));
+
+       return ret;
+}
+
+static int grpci2_cfg_w32(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 val)
+{
+       unsigned int *pci_conf;
+       unsigned long flags;
+
+       if (where & 0x3)
+               return -EINVAL;
+
+       if (bus == 0 && PCI_SLOT(devfn) != 0)
+               devfn += (0x8 * 6);
+
+       /* Select bus */
+       spin_lock_irqsave(&grpci2_dev_lock, flags);
+       REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) |
+                                  (bus << 16));
+       spin_unlock_irqrestore(&grpci2_dev_lock, flags);
+
+       /* clear old status */
+       REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID));
+
+       pci_conf = (unsigned int *) (priv->pci_conf |
+                                               (devfn << 8) | (where & 0xfc));
+       LEON3_BYPASS_STORE_PA(pci_conf, flip_dword(val));
+
+       /* Wait until GRPCI2 signals that CFG access is done, it should be
+        * done instantaneously unless a DMA operation is ongoing...
+        */
+       while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0)
+               ;
+
+       return 0;
+}
+
+static int grpci2_cfg_w16(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 val)
+{
+       int ret;
+       u32 v;
+
+       if (where & 0x1)
+               return -EINVAL;
+       ret = grpci2_cfg_r32(priv, bus, devfn, where&~3, &v);
+       if (ret)
+               return ret;
+       v = (v & ~(0xffff << (8 * (where & 0x3)))) |
+           ((0xffff & val) << (8 * (where & 0x3)));
+       return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v);
+}
+
+static int grpci2_cfg_w8(struct grpci2_priv *priv, unsigned int bus,
+                               unsigned int devfn, int where, u32 val)
+{
+       int ret;
+       u32 v;
+
+       ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v);
+       if (ret != 0)
+               return ret;
+       v = (v & ~(0xff << (8 * (where & 0x3)))) |
+           ((0xff & val) << (8 * (where & 0x3)));
+       return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v);
+}
+
+/* Read from Configuration Space. When entering here the PCI layer has taken
+ * the pci_lock spinlock and IRQ is off.
+ */
+static int grpci2_read_config(struct pci_bus *bus, unsigned int devfn,
+                             int where, int size, u32 *val)
+{
+       struct grpci2_priv *priv = grpci2priv;
+       unsigned int busno = bus->number;
+       int ret;
+
+       if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0)) {
+               *val = ~0;
+               return 0;
+       }
+
+       switch (size) {
+       case 1:
+               ret = grpci2_cfg_r8(priv, busno, devfn, where, val);
+               break;
+       case 2:
+               ret = grpci2_cfg_r16(priv, busno, devfn, where, val);
+               break;
+       case 4:
+               ret = grpci2_cfg_r32(priv, busno, devfn, where, val);
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+#ifdef GRPCI2_DEBUG_CFGACCESS
+       printk(KERN_INFO "grpci2_read_config: [%02x:%02x:%x] ofs=%d val=%x "
+               "size=%d\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn), where,
+               *val, size);
+#endif
+
+       return ret;
+}
+
+/* Write to Configuration Space. When entering here the PCI layer has taken
+ * the pci_lock spinlock and IRQ is off.
+ */
+static int grpci2_write_config(struct pci_bus *bus, unsigned int devfn,
+                              int where, int size, u32 val)
+{
+       struct grpci2_priv *priv = grpci2priv;
+       unsigned int busno = bus->number;
+
+       if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0))
+               return 0;
+
+#ifdef GRPCI2_DEBUG_CFGACCESS
+       printk(KERN_INFO "grpci2_write_config: [%02x:%02x:%x] ofs=%d size=%d "
+               "val=%x\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn),
+               where, size, val);
+#endif
+
+       switch (size) {
+       default:
+               return -EINVAL;
+       case 1:
+               return grpci2_cfg_w8(priv, busno, devfn, where, val);
+       case 2:
+               return grpci2_cfg_w16(priv, busno, devfn, where, val);
+       case 4:
+               return grpci2_cfg_w32(priv, busno, devfn, where, val);
+       }
+}
+
+static struct pci_ops grpci2_ops = {
+       .read =         grpci2_read_config,
+       .write =        grpci2_write_config,
+};
+
+/* GENIRQ IRQ chip implementation for GRPCI2 irqmode=0..2. In configuration
+ * 3 where all PCI Interrupts has a separate IRQ on the system IRQ controller
+ * this is not needed and the standard IRQ controller can be used.
+ */
+
+static void grpci2_mask_irq(struct irq_data *data)
+{
+       unsigned long flags;
+       unsigned int irqidx;
+       struct grpci2_priv *priv = grpci2priv;
+
+       irqidx = (unsigned int)data->chip_data - 1;
+       if (irqidx > 3) /* only mask PCI interrupts here */
+               return;
+
+       spin_lock_irqsave(&grpci2_dev_lock, flags);
+       REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) & ~(1 << irqidx));
+       spin_unlock_irqrestore(&grpci2_dev_lock, flags);
+}
+
+static void grpci2_unmask_irq(struct irq_data *data)
+{
+       unsigned long flags;
+       unsigned int irqidx;
+       struct grpci2_priv *priv = grpci2priv;
+
+       irqidx = (unsigned int)data->chip_data - 1;
+       if (irqidx > 3) /* only unmask PCI interrupts here */
+               return;
+
+       spin_lock_irqsave(&grpci2_dev_lock, flags);
+       REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) | (1 << irqidx));
+       spin_unlock_irqrestore(&grpci2_dev_lock, flags);
+}
+
+static unsigned int grpci2_startup_irq(struct irq_data *data)
+{
+       grpci2_unmask_irq(data);
+       return 0;
+}
+
+static void grpci2_shutdown_irq(struct irq_data *data)
+{
+       grpci2_mask_irq(data);
+}
+
+static struct irq_chip grpci2_irq = {
+       .name           = "grpci2",
+       .irq_startup    = grpci2_startup_irq,
+       .irq_shutdown   = grpci2_shutdown_irq,
+       .irq_mask       = grpci2_mask_irq,
+       .irq_unmask     = grpci2_unmask_irq,
+};
+
+/* Handle one or multiple IRQs from the PCI core */
+static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc)
+{
+       struct grpci2_priv *priv = grpci2priv;
+       int i, ack = 0;
+       unsigned int ctrl, sts_cap, pci_ints;
+
+       ctrl = REGLOAD(priv->regs->ctrl);
+       sts_cap = REGLOAD(priv->regs->sts_cap);
+
+       /* Error Interrupt? */
+       if (sts_cap & STS_ERR_IRQ) {
+               generic_handle_irq(priv->virq_err);
+               ack = 1;
+       }
+
+       /* PCI Interrupt? */
+       pci_ints = ((~sts_cap) >> STS_INTSTS_BIT) & ctrl & CTRL_HOSTINT;
+       if (pci_ints) {
+               /* Call respective PCI Interrupt handler */
+               for (i = 0; i < 4; i++) {
+                       if (pci_ints & (1 << i))
+                               generic_handle_irq(priv->irq_map[i]);
+               }
+               ack = 1;
+       }
+
+       /*
+        * Decode DMA Interrupt only when shared with Err and PCI INTX#, when
+        * the DMA is a unique IRQ the DMA interrupts doesn't end up here, they
+        * goes directly to DMA ISR.
+        */
+       if ((priv->irq_mode == 0) && (sts_cap & (STS_IDMA | STS_IDMAERR))) {
+               generic_handle_irq(priv->virq_dma);
+               ack = 1;
+       }
+
+       /*
+        * Call "first level" IRQ chip end-of-irq handler. It will ACK LEON IRQ
+        * Controller, this must be done after IRQ sources have been handled to
+        * avoid double IRQ generation
+        */
+       if (ack)
+               desc->irq_data.chip->irq_eoi(&desc->irq_data);
+}
+
+/* Create a virtual IRQ */
+static unsigned int grpci2_build_device_irq(unsigned int irq)
+{
+       unsigned int virq = 0, pil;
+
+       pil = 1 << 8;
+       virq = irq_alloc(irq, pil);
+       if (virq == 0)
+               goto out;
+
+       irq_set_chip_and_handler_name(virq, &grpci2_irq, handle_simple_irq,
+                                     "pcilvl");
+       irq_set_chip_data(virq, (void *)irq);
+
+out:
+       return virq;
+}
+
+void grpci2_hw_init(struct grpci2_priv *priv)
+{
+       u32 ahbadr, pciadr, bar_sz, capptr, io_map, data;
+       struct grpci2_regs *regs = priv->regs;
+       int i;
+       struct grpci2_barcfg *barcfg = priv->tgtbars;
+
+       /* Reset any earlier setup */
+       if (priv->do_reset) {
+               printk(KERN_INFO "GRPCI2: Resetting PCI bus\n");
+               REGSTORE(regs->ctrl, CTRL_RESET);
+               ssleep(1); /* Wait for boards to settle */
+       }
+       REGSTORE(regs->ctrl, 0);
+       REGSTORE(regs->sts_cap, ~0); /* Clear Status */
+       REGSTORE(regs->dma_ctrl, 0);
+       REGSTORE(regs->dma_bdbase, 0);
+
+       /* Translate I/O accesses to 0, I/O Space always @ PCI low 64Kbytes */
+       REGSTORE(regs->io_map, REGLOAD(regs->io_map) & 0x0000ffff);
+
+       /* set 1:1 mapping between AHB -> PCI memory space, for all Masters
+        * Each AHB master has it's own mapping registers. Max 16 AHB masters.
+        */
+       for (i = 0; i < 16; i++)
+               REGSTORE(regs->ahbmst_map[i], priv->pci_area);
+
+       /* Get the GRPCI2 Host PCI ID */
+       grpci2_cfg_r32(priv, 0, 0, PCI_VENDOR_ID, &priv->pciid);
+
+       /* Get address to first (always defined) capability structure */
+       grpci2_cfg_r8(priv, 0, 0, PCI_CAPABILITY_LIST, &capptr);
+
+       /* Enable/Disable Byte twisting */
+       grpci2_cfg_r32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, &io_map);
+       io_map = (io_map & ~0x1) | (priv->bt_enabled ? 1 : 0);
+       grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, io_map);
+
+       /* Setup the Host's PCI Target BARs for other peripherals to access,
+        * and do DMA to the host's memory. The target BARs can be sized and
+        * enabled individually.
+        *
+        * User may set custom target BARs, but default is:
+        * The first BARs is used to map kernel low (DMA is part of normal
+        * region on sparc which is SRMMU_MAXMEM big) main memory 1:1 to the
+        * PCI bus, the other BARs are disabled. We assume that the first BAR
+        * is always available.
+        */
+       for (i = 0; i < 6; i++) {
+               if (barcfg[i].pciadr != ~0 && barcfg[i].ahbadr != ~0) {
+                       /* Target BARs must have the proper alignment */
+                       ahbadr = barcfg[i].ahbadr;
+                       pciadr = barcfg[i].pciadr;
+                       bar_sz = ((pciadr - 1) & ~pciadr) + 1;
+               } else {
+                       if (i == 0) {
+                               /* Map main memory */
+                               bar_sz = 0xf0000008; /* 256MB prefetchable */
+                               ahbadr = 0xf0000000 & (u32)__pa(PAGE_ALIGN(
+                                       (unsigned long) &_end));
+                               pciadr = ahbadr;
+                       } else {
+                               bar_sz = 0;
+                               ahbadr = 0;
+                               pciadr = 0;
+                       }
+               }
+               grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BARSIZE_OFS+i*4, bar_sz);
+               grpci2_cfg_w32(priv, 0, 0, PCI_BASE_ADDRESS_0+i*4, pciadr);
+               grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BAR_OFS+i*4, ahbadr);
+               printk(KERN_INFO "        TGT BAR[%d]: 0x%08x (PCI)-> 0x%08x\n",
+                       i, pciadr, ahbadr);
+       }
+
+       /* set as bus master and enable pci memory responses */
+       grpci2_cfg_r32(priv, 0, 0, PCI_COMMAND, &data);
+       data |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+       grpci2_cfg_w32(priv, 0, 0, PCI_COMMAND, data);
+
+       /* Enable Error respone (CPU-TRAP) on illegal memory access. */
+       REGSTORE(regs->ctrl, CTRL_ER | CTRL_PE);
+}
+
+static irqreturn_t grpci2_jump_interrupt(int irq, void *arg)
+{
+       printk(KERN_ERR "GRPCI2: Jump IRQ happened\n");
+       return IRQ_NONE;
+}
+
+/* Handle GRPCI2 Error Interrupt */
+static irqreturn_t grpci2_err_interrupt(int irq, void *arg)
+{
+       struct grpci2_priv *priv = arg;
+       struct grpci2_regs *regs = priv->regs;
+       unsigned int status;
+
+       status = REGLOAD(regs->sts_cap);
+       if ((status & STS_ERR_IRQ) == 0)
+               return IRQ_NONE;
+
+       if (status & STS_IPARERR)
+               printk(KERN_ERR "GRPCI2: Parity Error\n");
+
+       if (status & STS_ITGTABRT)
+               printk(KERN_ERR "GRPCI2: Target Abort\n");
+
+       if (status & STS_IMSTABRT)
+               printk(KERN_ERR "GRPCI2: Master Abort\n");
+
+       if (status & STS_ISYSERR)
+               printk(KERN_ERR "GRPCI2: System Error\n");
+
+       /* Clear handled INT TYPE IRQs */
+       REGSTORE(regs->sts_cap, status & STS_ERR_IRQ);
+
+       return IRQ_HANDLED;
+}
+
+static int __devinit grpci2_of_probe(struct platform_device *ofdev)
+{
+       struct grpci2_regs *regs;
+       struct grpci2_priv *priv;
+       int err, i, len;
+       const int *tmp;
+       unsigned int capability;
+
+       if (grpci2priv) {
+               printk(KERN_ERR "GRPCI2: only one GRPCI2 core supported\n");
+               return -ENODEV;
+       }
+
+       if (ofdev->num_resources < 3) {
+               printk(KERN_ERR "GRPCI2: not enough APB/AHB resources\n");
+               return -EIO;
+       }
+
+       /* Find Device Address */
+       regs = of_ioremap(&ofdev->resource[0], 0,
+                         resource_size(&ofdev->resource[0]),
+                         "grlib-grpci2 regs");
+       if (regs == NULL) {
+               printk(KERN_ERR "GRPCI2: ioremap failed\n");
+               return -EIO;
+       }
+
+       /*
+        * Check that we're in Host Slot and that we can act as a Host Bridge
+        * and not only as target.
+        */
+       capability = REGLOAD(regs->sts_cap);
+       if ((capability & STS_HOST) || !(capability & STS_MST)) {
+               printk(KERN_INFO "GRPCI2: not in host system slot\n");
+               err = -EIO;
+               goto err1;
+       }
+
+       priv = grpci2priv = kzalloc(sizeof(struct grpci2_priv), GFP_KERNEL);
+       if (grpci2priv == NULL) {
+               err = -ENOMEM;
+               goto err1;
+       }
+       memset(grpci2priv, 0, sizeof(*grpci2priv));
+       priv->regs = regs;
+       priv->irq = ofdev->archdata.irqs[0]; /* BASE IRQ */
+       priv->irq_mode = (capability & STS_IRQMODE) >> STS_IRQMODE_BIT;
+
+       printk(KERN_INFO "GRPCI2: host found at %p, irq%d\n", regs, priv->irq);
+
+       /* Byte twisting should be made configurable from kernel command line */
+       priv->bt_enabled = 1;
+
+       /* Let user do custom Target BAR assignment */
+       tmp = of_get_property(ofdev->dev.of_node, "barcfg", &len);
+       if (tmp && (len == 2*4*6))
+               memcpy(priv->tgtbars, tmp, 2*4*6);
+       else
+               memset(priv->tgtbars, -1, 2*4*6);
+
+       /* Limit IRQ unmasking in irq_mode 2 and 3 */
+       tmp = of_get_property(ofdev->dev.of_node, "irq_mask", &len);
+       if (tmp && (len == 4))
+               priv->do_reset = *tmp;
+       else
+               priv->irq_mask = 0xf;
+
+       /* Optional PCI reset. Force PCI reset on startup */
+       tmp = of_get_property(ofdev->dev.of_node, "reset", &len);
+       if (tmp && (len == 4))
+               priv->do_reset = *tmp;
+       else
+               priv->do_reset = 0;
+
+       /* Find PCI Memory, I/O and Configuration Space Windows */
+       priv->pci_area = ofdev->resource[1].start;
+       priv->pci_area_end = ofdev->resource[1].end+1;
+       priv->pci_io = ofdev->resource[2].start;
+       priv->pci_conf = ofdev->resource[2].start + 0x10000;
+       priv->pci_conf_end = priv->pci_conf + 0x10000;
+       priv->pci_io_va = (unsigned long)ioremap(priv->pci_io, 0x10000);
+       if (!priv->pci_io_va) {
+               err = -EIO;
+               goto err2;
+       }
+
+       printk(KERN_INFO
+               "GRPCI2: MEMORY SPACE [0x%08lx - 0x%08lx]\n"
+               "        I/O    SPACE [0x%08lx - 0x%08lx]\n"
+               "        CONFIG SPACE [0x%08lx - 0x%08lx]\n",
+               priv->pci_area, priv->pci_area_end-1,
+               priv->pci_io, priv->pci_conf-1,
+               priv->pci_conf, priv->pci_conf_end-1);
+
+       /*
+        * I/O Space resources in I/O Window mapped into Virtual Adr Space
+        * We never use low 4KB because some devices seem have problems using
+        * address 0.
+        */
+       memset(&priv->info.io_space, 0, sizeof(struct resource));
+       priv->info.io_space.name = "GRPCI2 PCI I/O Space";
+       priv->info.io_space.start = priv->pci_io_va + 0x1000;
+       priv->info.io_space.end = priv->pci_io_va + 0x10000 - 1;
+       priv->info.io_space.flags = IORESOURCE_IO;
+
+       /*
+        * GRPCI2 has no prefetchable memory, map everything as
+        * non-prefetchable memory
+        */
+       memset(&priv->info.mem_space, 0, sizeof(struct resource));
+       priv->info.mem_space.name = "GRPCI2 PCI MEM Space";
+       priv->info.mem_space.start = priv->pci_area;
+       priv->info.mem_space.end = priv->pci_area_end - 1;
+       priv->info.mem_space.flags = IORESOURCE_MEM;
+
+       if (request_resource(&iomem_resource, &priv->info.mem_space) < 0)
+               goto err3;
+       if (request_resource(&ioport_resource, &priv->info.io_space) < 0)
+               goto err4;
+
+       grpci2_hw_init(priv);
+
+       /*
+        * Get PCI Interrupt to System IRQ mapping and setup IRQ handling
+        * Error IRQ always on PCI INTA.
+        */
+       if (priv->irq_mode < 2) {
+               /* All PCI interrupts are shared using the same system IRQ */
+               leon_update_virq_handling(priv->irq, grpci2_pci_flow_irq,
+                                        "pcilvl", 0);
+
+               priv->irq_map[0] = grpci2_build_device_irq(1);
+               priv->irq_map[1] = grpci2_build_device_irq(2);
+               priv->irq_map[2] = grpci2_build_device_irq(3);
+               priv->irq_map[3] = grpci2_build_device_irq(4);
+
+               priv->virq_err = grpci2_build_device_irq(5);
+               if (priv->irq_mode & 1)
+                       priv->virq_dma = ofdev->archdata.irqs[1];
+               else
+                       priv->virq_dma = grpci2_build_device_irq(6);
+
+               /* Enable IRQs on LEON IRQ controller */
+               err = request_irq(priv->irq, grpci2_jump_interrupt, 0,
+                                       "GRPCI2_JUMP", priv);
+               if (err)
+                       printk(KERN_ERR "GRPCI2: ERR IRQ request failed\n");
+       } else {
+               /* All PCI interrupts have an unique IRQ interrupt */
+               for (i = 0; i < 4; i++) {
+                       /* Make LEON IRQ layer handle level IRQ by acking */
+                       leon_update_virq_handling(ofdev->archdata.irqs[i],
+                                                handle_fasteoi_irq, "pcilvl",
+                                                1);
+                       priv->irq_map[i] = ofdev->archdata.irqs[i];
+               }
+               priv->virq_err = priv->irq_map[0];
+               if (priv->irq_mode & 1)
+                       priv->virq_dma = ofdev->archdata.irqs[4];
+               else
+                       priv->virq_dma = priv->irq_map[0];
+
+               /* Unmask all PCI interrupts, request_irq will not do that */
+               REGSTORE(regs->ctrl, REGLOAD(regs->ctrl)|(priv->irq_mask&0xf));
+       }
+
+       /* Setup IRQ handler for non-configuration space access errors */
+       err = request_irq(priv->virq_err, grpci2_err_interrupt, IRQF_SHARED,
+                               "GRPCI2_ERR", priv);
+       if (err) {
+               printk(KERN_DEBUG "GRPCI2: ERR VIRQ request failed: %d\n", err);
+               goto err5;
+       }
+
+       /*
+        * Enable Error Interrupts. PCI interrupts are unmasked once request_irq
+        * is called by the PCI Device drivers
+        */
+       REGSTORE(regs->ctrl, REGLOAD(regs->ctrl) | CTRL_EI | CTRL_SI);
+
+       /* Init common layer and scan buses */
+       priv->info.ops = &grpci2_ops;
+       priv->info.map_irq = grpci2_map_irq;
+       leon_pci_init(ofdev, &priv->info);
+
+       return 0;
+
+err5:
+       release_resource(&priv->info.io_space);
+err4:
+       release_resource(&priv->info.mem_space);
+err3:
+       err = -ENOMEM;
+       iounmap((void *)priv->pci_io_va);
+err2:
+       kfree(priv);
+err1:
+       of_iounmap(&ofdev->resource[0], regs,
+               resource_size(&ofdev->resource[0]));
+       return err;
+}
+
+static struct of_device_id grpci2_of_match[] = {
+       {
+        .name = "GAISLER_GRPCI2",
+        },
+       {
+        .name = "01_07c",
+        },
+       {},
+};
+
+static struct platform_driver grpci2_of_driver = {
+       .driver = {
+               .name = "grpci2",
+               .owner = THIS_MODULE,
+               .of_match_table = grpci2_of_match,
+       },
+       .probe = grpci2_of_probe,
+};
+
+static int __init grpci2_init(void)
+{
+       return platform_driver_register(&grpci2_of_driver);
+}
+
+subsys_initcall(grpci2_init);
index 8d348c4..99ba5ba 100644 (file)
@@ -214,7 +214,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
                               me->name,
                               (int) (ELF_R_TYPE(rel[i].r_info) & 0xff));
                        return -ENOEXEC;
-               };
+               }
        }
        return 0;
 }
index 6e3874b..a689598 100644 (file)
@@ -281,7 +281,7 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
        case 4:
                *value = ret & 0xffffffff;
                break;
-       };
+       }
 
 
        return PCIBIOS_SUCCESSFUL;
@@ -456,7 +456,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
 
                default:
                        break;
-               };
+               }
        }
 
        if (!saw_io || !saw_mem) {
index 283fbc3..f030b02 100644 (file)
@@ -264,7 +264,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm,
                default:
                        type_string = "ECC Error";
                        break;
-               };
+               }
                printk("%s: IOMMU Error, type[%s]\n",
                       pbm->name, type_string);
 
@@ -319,7 +319,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm,
                        default:
                                type_string = "ECC Error";
                                break;
-                       };
+                       }
                        printk("%s: IOMMU TAG(%d)[error(%s) ctx(%x) wr(%d) str(%d) "
                               "sz(%dK) vpg(%08lx)]\n",
                               pbm->name, i, type_string,
@@ -1328,7 +1328,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
        default:
                chipset_name = "SCHIZO";
                break;
-       };
+       }
 
        /* For SCHIZO, three OBP regs:
         * 1) PBM controller regs
index 570b98f..40e4936 100644 (file)
@@ -694,7 +694,7 @@ static unsigned int sbus_of_build_irq(struct device_node *dp,
                case 3:
                        iclr = reg_base + SYSIO_ICLR_SLOT3;
                        break;
-               };
+               }
 
                iclr += ((unsigned long)sbus_level - 1UL) * 8UL;
        }
index fe2af66..8db48e8 100644 (file)
@@ -228,7 +228,7 @@ void psycho_check_iommu_error(struct pci_pbm_info *pbm,
                default:
                        type_str = "ECC Error";
                        break;
-               };
+               }
                printk(KERN_ERR "%s: IOMMU Error, type[%s]\n",
                       pbm->name, type_str);
 
index 2ca32d1..a161b9c 100644 (file)
@@ -97,7 +97,7 @@ void sbus_set_sbus64(struct device *dev, int bursts)
 
        default:
                return;
-       };
+       }
 
        val = upa_readq(cfg_reg);
        if (val & (1UL << 14UL)) {
@@ -244,7 +244,7 @@ static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino)
                case 3:
                        iclr = reg_base + SYSIO_ICLR_SLOT3;
                        break;
-               };
+               }
 
                iclr += ((unsigned long)sbus_level - 1UL) * 8UL;
        }
index 3249d3f..d26e1f6 100644 (file)
@@ -267,7 +267,7 @@ void __init setup_arch(char **cmdline_p)
        default:
                printk("UNKNOWN!\n");
                break;
-       };
+       }
 
 #ifdef CONFIG_DUMMY_CONSOLE
        conswitchp = &dummy_con;
index f3b6850..c4dd099 100644 (file)
@@ -209,7 +209,7 @@ void __init per_cpu_patch(void)
                default:
                        prom_printf("Unknown cpu type, halting.\n");
                        prom_halt();
-               };
+               }
 
                *(unsigned int *) (addr +  0) = insns[0];
                wmb();
index d5b3958..21b1253 100644 (file)
@@ -114,7 +114,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
                printk("UNKNOWN!\n");
                BUG();
                break;
-       };
+       }
 }
 
 void cpu_panic(void)
@@ -374,7 +374,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
                printk("UNKNOWN!\n");
                BUG();
                break;
-       };
+       }
 }
 
 /* Set this up early so that things like the scheduler can init
@@ -447,7 +447,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
                printk("UNKNOWN!\n");
                BUG();
                break;
-       };
+       }
 
        if (!ret) {
                cpumask_set_cpu(cpu, &smp_commenced_mask);
index a9ea60e..1d13c5b 100644 (file)
@@ -103,10 +103,9 @@ static void sun4d_sbus_handler_irq(int sbusl)
 
        sbil = (sbusl << 2);
        /* Loop for each pending SBI */
-       for (sbino = 0; bus_mask; sbino++) {
+       for (sbino = 0; bus_mask; sbino++, bus_mask >>= 1) {
                unsigned int idx, mask;
 
-               bus_mask >>= 1;
                if (!(bus_mask & 1))
                        continue;
                /* XXX This seems to ACK the irq twice.  acquire_sbi()
@@ -118,19 +117,16 @@ static void sun4d_sbus_handler_irq(int sbusl)
                mask &= (0xf << sbil);
 
                /* Loop for each pending SBI slot */
-               idx = 0;
                slot = (1 << sbil);
-               while (mask != 0) {
+               for (idx = 0; mask != 0; idx++, slot <<= 1) {
                        unsigned int pil;
                        struct irq_bucket *p;
 
-                       idx++;
-                       slot <<= 1;
                        if (!(mask & slot))
                                continue;
 
                        mask &= ~slot;
-                       pil = sun4d_encode_irq(sbino, sbil, idx);
+                       pil = sun4d_encode_irq(sbino, sbusl, idx);
 
                        p = irq_map[pil];
                        while (p) {
@@ -218,10 +214,10 @@ static void sun4d_unmask_irq(struct irq_data *data)
 
 #ifdef CONFIG_SMP
        spin_lock_irqsave(&sun4d_imsk_lock, flags);
-       cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) | ~(1 << real_irq));
+       cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) & ~(1 << real_irq));
        spin_unlock_irqrestore(&sun4d_imsk_lock, flags);
 #else
-       cc_set_imsk(cc_get_imsk() | ~(1 << real_irq));
+       cc_set_imsk(cc_get_imsk() & ~(1 << real_irq));
 #endif
 }
 
@@ -299,26 +295,68 @@ static void __init sun4d_load_profile_irqs(void)
        }
 }
 
+unsigned int _sun4d_build_device_irq(unsigned int real_irq,
+                                     unsigned int pil,
+                                     unsigned int board)
+{
+       struct sun4d_handler_data *handler_data;
+       unsigned int irq;
+
+       irq = irq_alloc(real_irq, pil);
+       if (irq == 0) {
+               prom_printf("IRQ: allocate for %d %d %d failed\n",
+                       real_irq, pil, board);
+               goto err_out;
+       }
+
+       handler_data = irq_get_handler_data(irq);
+       if (unlikely(handler_data))
+               goto err_out;
+
+       handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC);
+       if (unlikely(!handler_data)) {
+               prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n");
+               prom_halt();
+       }
+       handler_data->cpuid    = board_to_cpu[board];
+       handler_data->real_irq = real_irq;
+       irq_set_chip_and_handler_name(irq, &sun4d_irq,
+                                     handle_level_irq, "level");
+       irq_set_handler_data(irq, handler_data);
+
+err_out:
+       return irq;
+}
+
+
+
 unsigned int sun4d_build_device_irq(struct platform_device *op,
                                     unsigned int real_irq)
 {
        struct device_node *dp = op->dev.of_node;
-       struct device_node *io_unit, *sbi = dp->parent;
+       struct device_node *board_parent, *bus = dp->parent;
+       char *bus_connection;
        const struct linux_prom_registers *regs;
-       struct sun4d_handler_data *handler_data;
        unsigned int pil;
        unsigned int irq;
        int board, slot;
        int sbusl;
 
-       irq = 0;
-       while (sbi) {
-               if (!strcmp(sbi->name, "sbi"))
+       irq = real_irq;
+       while (bus) {
+               if (!strcmp(bus->name, "sbi")) {
+                       bus_connection = "io-unit";
+                       break;
+               }
+
+               if (!strcmp(bus->name, "bootbus")) {
+                       bus_connection = "cpu-unit";
                        break;
+               }
 
-               sbi = sbi->parent;
+               bus = bus->parent;
        }
-       if (!sbi)
+       if (!bus)
                goto err_out;
 
        regs = of_get_property(dp, "reg", NULL);
@@ -328,17 +366,19 @@ unsigned int sun4d_build_device_irq(struct platform_device *op,
        slot = regs->which_io;
 
        /*
-        *  If SBI's parent is not io-unit or the io-unit lacks
-        * a "board#" property, something is very wrong.
+        * If Bus nodes parent is not io-unit/cpu-unit or the io-unit/cpu-unit
+        * lacks a "board#" property, something is very wrong.
         */
-       if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) {
-               printk("%s: Error, parent is not io-unit.\n", sbi->full_name);
+       if (!bus->parent || strcmp(bus->parent->name, bus_connection)) {
+               printk(KERN_ERR "%s: Error, parent is not %s.\n",
+                       bus->full_name, bus_connection);
                goto err_out;
        }
-       io_unit = sbi->parent;
-       board = of_getintprop_default(io_unit, "board#", -1);
+       board_parent = bus->parent;
+       board = of_getintprop_default(board_parent, "board#", -1);
        if (board == -1) {
-               printk("%s: Error, lacks board# property.\n", io_unit->full_name);
+               printk(KERN_ERR "%s: Error, lacks board# property.\n",
+                       board_parent->full_name);
                goto err_out;
        }
 
@@ -348,29 +388,17 @@ unsigned int sun4d_build_device_irq(struct platform_device *op,
        else
                pil = real_irq;
 
-       irq = irq_alloc(real_irq, pil);
-       if (irq == 0)
-               goto err_out;
-
-       handler_data = irq_get_handler_data(irq);
-       if (unlikely(handler_data))
-               goto err_out;
-
-       handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC);
-       if (unlikely(!handler_data)) {
-               prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n");
-               prom_halt();
-       }
-       handler_data->cpuid    = board_to_cpu[board];
-       handler_data->real_irq = real_irq;
-       irq_set_chip_and_handler_name(irq, &sun4d_irq,
-                                     handle_level_irq, "level");
-       irq_set_handler_data(irq, handler_data);
-
+       irq = _sun4d_build_device_irq(real_irq, pil, board);
 err_out:
-       return real_irq;
+       return irq;
 }
 
+unsigned int sun4d_build_timer_irq(unsigned int board, unsigned int real_irq)
+{
+       return _sun4d_build_device_irq(real_irq, real_irq, board);
+}
+
+
 static void __init sun4d_fixup_trap_table(void)
 {
 #ifdef CONFIG_SMP
@@ -402,6 +430,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
        unsigned int irq;
        const u32 *reg;
        int err;
+       int board;
 
        dp = of_find_node_by_name(NULL, "cpu-unit");
        if (!dp) {
@@ -414,12 +443,19 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
         * bootbus.
         */
        reg = of_get_property(dp, "reg", NULL);
-       of_node_put(dp);
        if (!reg) {
                prom_printf("sun4d_init_timers: No reg property\n");
                prom_halt();
        }
 
+       board = of_getintprop_default(dp, "board#", -1);
+       if (board == -1) {
+               prom_printf("sun4d_init_timers: No board# property on cpu-unit\n");
+               prom_halt();
+       }
+
+       of_node_put(dp);
+
        res.start = reg[1];
        res.end = reg[2] - 1;
        res.flags = reg[0] & 0xff;
@@ -434,7 +470,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
 
        master_l10_counter = &sun4d_timers->l10_cur_count;
 
-       irq = sun4d_build_device_irq(NULL, SUN4D_TIMER_IRQ);
+       irq = sun4d_build_timer_irq(board, SUN4D_TIMER_IRQ);
        err = request_irq(irq, counter_fn, IRQF_TIMER, "timer", NULL);
        if (err) {
                prom_printf("sun4d_init_timers: request_irq() failed with %d\n",
index 6db18c6..170cd8e 100644 (file)
@@ -109,7 +109,7 @@ asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compa
 
        default:
                return -ENOSYS;
-       };
+       }
 
        return -ENOSYS;
 }
index 96082d3..908b47a 100644 (file)
@@ -460,7 +460,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
                default:
                        err = -ENOSYS;
                        goto out;
-               };
+               }
        }
        if (call <= MSGCTL) {
                switch (call) {
@@ -481,7 +481,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
                default:
                        err = -ENOSYS;
                        goto out;
-               };
+               }
        }
        if (call <= SHMCTL) {
                switch (call) {
@@ -507,7 +507,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
                default:
                        err = -ENOSYS;
                        goto out;
-               };
+               }
        } else {
                err = -ENOSYS;
        }
index 2b8d54b..1db6b18 100644 (file)
@@ -708,7 +708,7 @@ static void sparc64_timer_setup(enum clock_event_mode mode,
        case CLOCK_EVT_MODE_UNUSED:
                WARN_ON(1);
                break;
-       };
+       }
 }
 
 static struct clock_event_device sparc64_clockevent = {
index 1ed547b..0cbdaa4 100644 (file)
@@ -1804,7 +1804,7 @@ static const char *sun4v_err_type_to_str(u32 type)
                return "warning resumable";
        default:
                return "unknown";
-       };
+       }
 }
 
 static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
index c752c4c..b2b019e 100644 (file)
@@ -211,7 +211,7 @@ static inline int do_int_store(int reg_num, int size, unsigned long *dst_addr,
                default:
                        BUG();
                        break;
-               };
+               }
        }
        return __do_int_store(dst_addr, size, src_val, asi);
 }
@@ -328,7 +328,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
                case ASI_SNFL:
                        asi &= ~0x08;
                        break;
-               };
+               }
                switch (dir) {
                case load:
                        reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs);
@@ -351,7 +351,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
                                default:
                                        BUG();
                                        break;
-                               };
+                               }
                                *reg_addr = val_in;
                        }
                        break;
index 531d54f..489fc15 100644 (file)
@@ -176,7 +176,7 @@ static unsigned long index_to_estar_mode(unsigned int index)
 
        default:
                BUG();
-       };
+       }
 }
 
 static unsigned long index_to_divisor(unsigned int index)
@@ -199,7 +199,7 @@ static unsigned long index_to_divisor(unsigned int index)
 
        default:
                BUG();
-       };
+       }
 }
 
 static unsigned long estar_to_divisor(unsigned long estar)
@@ -224,7 +224,7 @@ static unsigned long estar_to_divisor(unsigned long estar)
                break;
        default:
                BUG();
-       };
+       }
 
        return ret;
 }
index 9a8ceb7..eb1624b 100644 (file)
@@ -71,7 +71,7 @@ static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg
                break;
        default:
                BUG();
-       };
+       }
 
        return ret;
 }
@@ -125,7 +125,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index)
 
        default:
                BUG();
-       };
+       }
 
        reg = read_safari_cfg();
 
index aa6ac70..29348ea 100644 (file)
@@ -363,7 +363,7 @@ static int process_ver(struct vio_driver_state *vio, struct vio_ver_info *pkt)
 
        default:
                return handshake_failure(vio);
-       };
+       }
 }
 
 static int process_attr(struct vio_driver_state *vio, void *pkt)
index 9dfd2eb..3635771 100644 (file)
@@ -334,7 +334,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf)
                left = edge32_tab_l[(rs1 >> 2) & 0x1].left;
                right = edge32_tab_l[(rs2 >> 2) & 0x1].right;
                break;
-       };
+       }
 
        if ((rs1 & ~0x7UL) == (rs2 & ~0x7UL))
                rd_val = right & left;
@@ -360,7 +360,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf)
                tstate = regs->tstate & ~(TSTATE_XCC | TSTATE_ICC);
                regs->tstate = tstate | (ccr << 32UL);
        }
-       };
+       }
 }
 
 static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf)
@@ -392,7 +392,7 @@ static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf)
 
        case ARRAY32_OPF:
                rd_val <<= 2;
-       };
+       }
 
        store_reg(regs, rd_val, RD(insn));
 }
@@ -577,7 +577,7 @@ static void pformat(struct pt_regs *regs, unsigned int insn, unsigned int opf)
                *fpd_regaddr(f, RD(insn)) = rd_val;
                break;
        }
-       };
+       }
 }
 
 static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf)
@@ -693,7 +693,7 @@ static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf)
                *fpd_regaddr(f, RD(insn)) = rd_val;
                break;
        }
-       };
+       }
 }
 
 static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
@@ -786,7 +786,7 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
                                rd_val |= 1 << i;
                }
                break;
-       };
+       }
 
        maybe_flush_windows(0, 0, RD(insn), 0);
        store_reg(regs, rd_val, RD(insn));
@@ -885,7 +885,7 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
        case BSHUFFLE_OPF:
                bshuffle(regs, insn);
                break;
-       };
+       }
 
        regs->tpc = regs->tnpc;
        regs->tnpc += 4;
index b10ac4d..7543ddb 100644 (file)
@@ -135,7 +135,7 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
 
        default:
                break;
-       };
+       }
 
        memset(&regs, 0, sizeof (regs));
        regs.pc = pc;
index ca21732..7b00de6 100644 (file)
@@ -340,7 +340,7 @@ void __init paging_init(void)
                prom_printf("paging_init: sparc_cpu_model = %d\n", sparc_cpu_model);
                prom_printf("paging_init: Halting...\n");
                prom_halt();
-       };
+       }
 
        /* Initialize the protection map with non-constant, MMU dependent values. */
        protection_map[0] = PAGE_NONE;
index e10cd03..3fd8e18 100644 (file)
@@ -1625,7 +1625,7 @@ static void __init sun4v_ktsb_init(void)
                ktsb_descr[0].pgsz_idx = HV_PGSZ_IDX_4MB;
                ktsb_descr[0].pgsz_mask = HV_PGSZ_MASK_4MB;
                break;
-       };
+       }
 
        ktsb_descr[0].assoc = 1;
        ktsb_descr[0].num_ttes = KERNEL_TSB_NENTRIES;
@@ -2266,7 +2266,7 @@ unsigned long pte_sz_bits(unsigned long sz)
                        return _PAGE_SZ512K_4V;
                case 4 * 1024 * 1024:
                        return _PAGE_SZ4MB_4V;
-               };
+               }
        } else {
                switch (sz) {
                case 8 * 1024:
@@ -2278,7 +2278,7 @@ unsigned long pte_sz_bits(unsigned long sz)
                        return _PAGE_SZ512K_4U;
                case 4 * 1024 * 1024:
                        return _PAGE_SZ4MB_4U;
-               };
+               }
        }
 }
 
index fe09fd8..cbef74e 100644 (file)
@@ -1665,7 +1665,7 @@ static void __init init_swift(void)
        default:
                srmmu_modtype = Swift_ok;
                break;
-       };
+       }
 
        BTFIXUPSET_CALL(flush_cache_all, swift_flush_cache_all, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(flush_cache_mm, swift_flush_cache_mm, BTFIXUPCALL_NORM);
@@ -2069,7 +2069,7 @@ static void __init get_srmmu_type(void)
                        /* Some other Cypress revision, assume a 605. */
                        init_cypress_605(mod_rev);
                        break;
-               };
+               }
                return;
        }
        
index a2350b5..1cf4f19 100644 (file)
@@ -318,7 +318,7 @@ void __init sun4c_probe_vac(void)
                prom_printf("probe_vac: Didn't expect vac-linesize of %d, halting\n",
                            sun4c_vacinfo.linesize);
                prom_halt();
-       };
+       }
 
        sun4c_flush_all();
        sun4c_enable_vac();
@@ -364,7 +364,7 @@ static void __init patch_kernel_fault_handler(void)
                        prom_printf("Unhandled number of segmaps: %d\n",
                                    num_segmaps);
                        prom_halt();
-       };
+       }
        switch (num_contexts) {
                case 8:
                        /* Default, nothing to do. */
@@ -377,7 +377,7 @@ static void __init patch_kernel_fault_handler(void)
                        prom_printf("Unhandled number of contexts: %d\n",
                                    num_contexts);
                        prom_halt();
-       };
+       }
 
        if (sun4c_vacinfo.do_hwflushes != 0) {
                PATCH_INSN(vac_hwflush_patch1_on, vac_hwflush_patch1);
@@ -394,7 +394,7 @@ static void __init patch_kernel_fault_handler(void)
                        prom_printf("Impossible VAC linesize %d, halting...\n",
                                    sun4c_vacinfo.linesize);
                        prom_halt();
-               };
+               }
        }
 }
 
index 9484615..a5f51b2 100644 (file)
@@ -180,7 +180,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
                printk(KERN_ERR "TSB[%s:%d]: Impossible TSB size %lu, killing process.\n",
                       current->comm, current->pid, tsb_bytes);
                do_exit(SIGSEGV);
-       };
+       }
        tte |= pte_sz_bits(page_sz);
 
        if (tlb_type == cheetah_plus || tlb_type == hypervisor) {
@@ -215,7 +215,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
 #endif
                default:
                        BUG();
-               };
+               }
                hp->assoc = 1;
                hp->num_ttes = tsb_bytes / 16;
                hp->ctx_idx = 0;
@@ -230,7 +230,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign
 #endif
                default:
                        BUG();
-               };
+               }
                hp->tsb_base = tsb_paddr;
                hp->resv = 0;
        }
index b05e3db..a00f47b 100644 (file)
@@ -38,7 +38,7 @@ static int prom_nbputchar(const char *buf)
                break;
        default:
                break;
-       };
+       }
        restore_current();
        spin_unlock_irqrestore(&prom_lock, flags);
        return i; /* Ugh, we could spin forever on unsupported proms ;( */
index 0a601b3..26c64ce 100644 (file)
@@ -53,7 +53,7 @@ void __init prom_init(struct linux_romvec *rp)
                            romvec->pv_romvers);
                prom_halt();
                break;
-       };
+       }
 
        prom_rev = romvec->pv_plugin_revision;
        prom_prev = romvec->pv_printrev;
index 97c44c9..0da8256 100644 (file)
@@ -35,7 +35,7 @@ prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, cha
        case PROM_V3:
                ret = (*(romvec->v3_cpustart))(cpunode, (int) ctable_reg, ctx, pc);
                break;
-       };
+       }
        restore_current();
        spin_unlock_irqrestore(&prom_lock, flags);
 
index d3a3032..e57dcce 100644 (file)
@@ -231,10 +231,6 @@ config PUV3_PWM
        help
          Enable support for NB0916 PWM controllers
 
-config PUV3_RTC
-       tristate "PKUnity v3 RTC Support"
-       depends on !ARCH_FPGA
-
 if PUV3_NB0916
 
 menu "PKUnity NetBook-0916 Features"
index 76a8bee..6af4bc4 100644 (file)
@@ -40,42 +40,10 @@ core-y                      += arch/unicore32/mm/
 
 libs-y                 += arch/unicore32/lib/
 
-ASM_GENERATED_DIR      := $(srctree)/arch/unicore32/include/generated
-LINUXINCLUDE           += -I$(ASM_GENERATED_DIR)
-
-ASM_GENERIC_HEADERS    := atomic.h auxvec.h
-ASM_GENERIC_HEADERS    += bitsperlong.h bug.h bugs.h
-ASM_GENERIC_HEADERS    += cputime.h current.h
-ASM_GENERIC_HEADERS    += device.h div64.h
-ASM_GENERIC_HEADERS    += emergency-restart.h errno.h
-ASM_GENERIC_HEADERS    += fb.h fcntl.h ftrace.h futex.h
-ASM_GENERIC_HEADERS    += hardirq.h hw_irq.h
-ASM_GENERIC_HEADERS    += ioctl.h ioctls.h ipcbuf.h irq_regs.h
-ASM_GENERIC_HEADERS    += kdebug.h kmap_types.h
-ASM_GENERIC_HEADERS    += local.h
-ASM_GENERIC_HEADERS    += mman.h module.h msgbuf.h
-ASM_GENERIC_HEADERS    += param.h parport.h percpu.h poll.h posix_types.h
-ASM_GENERIC_HEADERS    += resource.h
-ASM_GENERIC_HEADERS    += scatterlist.h sections.h segment.h sembuf.h serial.h
-ASM_GENERIC_HEADERS    += setup.h shmbuf.h shmparam.h
-ASM_GENERIC_HEADERS    += siginfo.h signal.h sizes.h
-ASM_GENERIC_HEADERS    += socket.h sockios.h stat.h statfs.h swab.h syscalls.h
-ASM_GENERIC_HEADERS    += termbits.h termios.h topology.h types.h
-ASM_GENERIC_HEADERS    += ucontext.h unaligned.h user.h
-ASM_GENERIC_HEADERS    += vga.h
-ASM_GENERIC_HEADERS    += xor.h
-
-archprepare:
-ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR)))
-       $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm
-       $(Q)$(foreach a, $(ASM_GENERIC_HEADERS),        \
-               echo '#include <asm-generic/$a>'        \
-                       > $(ASM_GENERATED_DIR)/asm/$a; )
-endif
-
 boot                   := arch/unicore32/boot
 
-# Default target when executing plain make
+# Default defconfig and target when executing plain make
+KBUILD_DEFCONFIG       := $(ARCH)_defconfig
 KBUILD_IMAGE           := zImage
 
 all:   $(KBUILD_IMAGE)
@@ -83,8 +51,6 @@ all:  $(KBUILD_IMAGE)
 zImage Image uImage: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
-MRPROPER_DIRS          += $(ASM_GENERATED_DIR)
-
 archclean:
        $(Q)$(MAKE) $(clean)=$(boot)
 
index 9537342..b0954a2 100644 (file)
@@ -59,7 +59,7 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \
 # We now have a PIC decompressor implementation.  Decompressors running
 # from RAM should not define ZTEXTADDR.  Decompressors running directly
 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
-ZTEXTADDR      := 0
+ZTEXTADDR      := 0x03000000
 ZBSSADDR       := ALIGN(4)
 
 SEDFLAGS_lds   = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
similarity index 97%
rename from arch/unicore32/configs/debug_defconfig
rename to arch/unicore32/configs/unicore32_defconfig
index b5fbde9..c9dd319 100644 (file)
@@ -1,6 +1,6 @@
 ### General setup
 CONFIG_EXPERIMENTAL=y
-CONFIG_LOCALVERSION="-debug"
+CONFIG_LOCALVERSION="-unicore32"
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -64,7 +64,6 @@ CONFIG_I2C_BATTERY_BQ27200=n
 CONFIG_I2C_EEPROM_AT24=n
 CONFIG_LCD_BACKLIGHT=n
 
-CONFIG_PUV3_RTC=y
 CONFIG_PUV3_UMAL=y
 CONFIG_PUV3_MUSB=n
 CONFIG_PUV3_AC97=n
@@ -167,8 +166,9 @@ CONFIG_LEDS_TRIGGER_IDE_DISK=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 
 #      Real Time Clock
-CONFIG_RTC_LIB=m
-CONFIG_RTC_CLASS=m
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PUV3=y
 
 ### File systems
 CONFIG_EXT2_FS=m
index b200fda..ca113d6 100644 (file)
@@ -1,2 +1,61 @@
 include include/asm-generic/Kbuild.asm
 
+generic-y += atomic.h
+generic-y += auxvec.h
+generic-y += bitsperlong.h
+generic-y += bug.h
+generic-y += bugs.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += device.h
+generic-y += div64.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += fb.h
+generic-y += fcntl.h
+generic-y += ftrace.h
+generic-y += futex.h
+generic-y += hardirq.h
+generic-y += hw_irq.h
+generic-y += ioctl.h
+generic-y += ioctls.h
+generic-y += ipcbuf.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += kmap_types.h
+generic-y += local.h
+generic-y += mman.h
+generic-y += module.h
+generic-y += msgbuf.h
+generic-y += param.h
+generic-y += parport.h
+generic-y += percpu.h
+generic-y += poll.h
+generic-y += posix_types.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += sections.h
+generic-y += segment.h
+generic-y += sembuf.h
+generic-y += serial.h
+generic-y += setup.h
+generic-y += shmbuf.h
+generic-y += shmparam.h
+generic-y += siginfo.h
+generic-y += signal.h
+generic-y += sizes.h
+generic-y += socket.h
+generic-y += sockios.h
+generic-y += stat.h
+generic-y += statfs.h
+generic-y += swab.h
+generic-y += syscalls.h
+generic-y += termbits.h
+generic-y += termios.h
+generic-y += topology.h
+generic-y += types.h
+generic-y += ucontext.h
+generic-y += unaligned.h
+generic-y += user.h
+generic-y += vga.h
+generic-y += xor.h
index ec23a2f..aeb0f18 100644 (file)
@@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o
 obj-$(CONFIG_ARCH_PUV3)                += clock.o irq.o time.o
 
 obj-$(CONFIG_PUV3_GPIO)                += gpio.o
-obj-$(CONFIG_PUV3_RTC)         += rtc.o
 obj-$(CONFIG_PUV3_PWM)         += pwm.o
 obj-$(CONFIG_PUV3_PM)          += pm.o sleep.o
 obj-$(CONFIG_HIBERNATION)      += hibernate.o hibernate_asm.o
index 9bf7f7a..77e407e 100644 (file)
@@ -30,7 +30,7 @@ SECTIONS
        HEAD_TEXT_SECTION
        INIT_TEXT_SECTION(PAGE_SIZE)
        INIT_DATA_SECTION(16)
-       PERCPU(L1_CACHE_BYTES, PAGE_SIZE)
+       PERCPU_SECTION(L1_CACHE_BYTES)
        __init_end = .;
 
        _stext = .;
index 8d12878..a3d0dc5 100644 (file)
@@ -245,7 +245,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
 {
        set_user_gs(regs, 0);
        regs->fs                = 0;
-       set_fs(USER_DS);
        regs->ds                = __USER_DS;
        regs->es                = __USER_DS;
        regs->ss                = __USER_DS;
index 6c9dd92..ca6f7ab 100644 (file)
@@ -338,7 +338,6 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip,
        regs->cs                = _cs;
        regs->ss                = _ss;
        regs->flags             = X86_EFLAGS_IF;
-       set_fs(USER_DS);
        /*
         * Free the old FP and other extended state
         */
index dfb6e9d..7f099d6 100644 (file)
@@ -2802,10 +2802,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
        }
 
        /*
-        * Some controllers can't be frozen very well and may set
-        * spuruious error conditions during reset.  Clear accumulated
-        * error information.  As reset is the final recovery action,
-        * nothing is lost by doing this.
+        * Some controllers can't be frozen very well and may set spurious
+        * error conditions during reset.  Clear accumulated error
+        * information and re-thaw the port if frozen.  As reset is the
+        * final recovery action and we cross check link onlineness against
+        * device classification later, no hotplug event is lost by this.
         */
        spin_lock_irqsave(link->ap->lock, flags);
        memset(&link->eh_info, 0, sizeof(link->eh_info));
@@ -2814,6 +2815,9 @@ int ata_eh_reset(struct ata_link *link, int classify,
        ap->pflags &= ~ATA_PFLAG_EH_PENDING;
        spin_unlock_irqrestore(link->ap->lock, flags);
 
+       if (ap->pflags & ATA_PFLAG_FROZEN)
+               ata_eh_thaw_port(ap);
+
        /*
         * Make sure onlineness and classification result correspond.
         * Hotplug could have happened during reset and some
index f032e44..bfe7232 100644 (file)
@@ -108,7 +108,9 @@ done:
  */
 unsigned long __init find_ibft_region(unsigned long *sizep)
 {
+#ifdef CONFIG_ACPI
        int i;
+#endif
        ibft_addr = NULL;
 
 #ifdef CONFIG_ACPI
index 2354336..934185c 100644 (file)
@@ -25,8 +25,8 @@
 #include <linux/delay.h>
 #include <media/cx25840.h>
 #include <linux/firmware.h>
-#include <staging/altera.h>
 
+#include "../../../staging/altera-stapl/altera.h"
 #include "cx23885.h"
 #include "tuner-xc2028.h"
 #include "netup-init.h"
index c85f744..094308e 100644 (file)
@@ -51,6 +51,7 @@ obj-$(CONFIG_X86_VISWS) += setup-irq.o
 obj-$(CONFIG_MN10300) += setup-bus.o
 obj-$(CONFIG_MICROBLAZE) += setup-bus.o
 obj-$(CONFIG_TILE) += setup-bus.o setup-irq.o
+obj-$(CONFIG_SPARC_LEON) += setup-bus.o setup-irq.o
 
 #
 # ACPI Related PCI FW Functions
index f822e13..ce2aabf 100644 (file)
@@ -1051,4 +1051,13 @@ config RTC_DRV_TILE
          Enable support for the Linux driver side of the Tilera
          hypervisor's real-time clock interface.
 
+config RTC_DRV_PUV3
+       tristate "PKUnity v3 RTC support"
+       depends on ARCH_PUV3
+       help
+         This enables support for the RTC in the PKUnity-v3 SoCs.
+
+         This drive can also be built as a module. If so, the module
+         will be called rtc-puv3.
+
 endif # RTC_CLASS
index 213d725..0ffefe8 100644 (file)
@@ -78,6 +78,7 @@ obj-$(CONFIG_RTC_DRV_PCF50633)        += rtc-pcf50633.o
 obj-$(CONFIG_RTC_DRV_PL030)    += rtc-pl030.o
 obj-$(CONFIG_RTC_DRV_PL031)    += rtc-pl031.o
 obj-$(CONFIG_RTC_DRV_PS3)      += rtc-ps3.o
+obj-$(CONFIG_RTC_DRV_PUV3)     += rtc-puv3.o
 obj-$(CONFIG_RTC_DRV_PXA)      += rtc-pxa.o
 obj-$(CONFIG_RTC_DRV_R9701)    += rtc-r9701.o
 obj-$(CONFIG_RTC_DRV_RP5C01)   += rtc-rp5c01.o
similarity index 98%
rename from arch/unicore32/kernel/rtc.c
rename to drivers/rtc/rtc-puv3.c
index 8cad70b..46f14b8 100644 (file)
@@ -1,7 +1,5 @@
 /*
- * linux/arch/unicore32/kernel/rtc.c
- *
- * Code specific to PKUnity SoC and UniCore ISA
+ * RTC driver code specific to PKUnity SoC and UniCore ISA
  *
  *     Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
  *     Copyright (C) 2001-2010 Guan Xuetao
@@ -36,7 +34,6 @@ static int puv3_rtc_tickno  = IRQ_RTC;
 static DEFINE_SPINLOCK(puv3_rtc_pie_lock);
 
 /* IRQ Handlers */
-
 static irqreturn_t puv3_rtc_alarmirq(int irq, void *id)
 {
        struct rtc_device *rdev = id;
@@ -89,7 +86,6 @@ static int puv3_rtc_setpie(struct device *dev, int enabled)
 }
 
 /* Time read/write */
-
 static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 {
        rtc_time_to_tm(readl(RTC_RCNR), rtc_tm);
@@ -196,7 +192,6 @@ static void puv3_rtc_release(struct device *dev)
        struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
 
        /* do not clear AIE here, it may be needed for wake */
-
        puv3_rtc_setpie(dev, 0);
        free_irq(puv3_rtc_alarmno, rtc_dev);
        free_irq(puv3_rtc_tickno, rtc_dev);
@@ -218,7 +213,6 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en)
                writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR);
        } else {
                /* re-enable the device, and check it is ok */
-
                if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) {
                        dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
                        writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR);
@@ -251,7 +245,6 @@ static int puv3_rtc_probe(struct platform_device *pdev)
        pr_debug("%s: probe=%p\n", __func__, pdev);
 
        /* find the IRQs */
-
        puv3_rtc_tickno = platform_get_irq(pdev, 1);
        if (puv3_rtc_tickno < 0) {
                dev_err(&pdev->dev, "no irq for rtc tick\n");
@@ -268,7 +261,6 @@ static int puv3_rtc_probe(struct platform_device *pdev)
                 puv3_rtc_tickno, puv3_rtc_alarmno);
 
        /* get the memory region */
-
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res == NULL) {
                dev_err(&pdev->dev, "failed to get memory region resource\n");
@@ -288,7 +280,6 @@ static int puv3_rtc_probe(struct platform_device *pdev)
        puv3_rtc_enable(pdev, 1);
 
        /* register RTC and exit */
-
        rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops,
                                  THIS_MODULE);
 
@@ -315,8 +306,6 @@ static int puv3_rtc_probe(struct platform_device *pdev)
 
 #ifdef CONFIG_PM
 
-/* RTC Power management control */
-
 static int ticnt_save;
 
 static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state)
@@ -368,4 +357,3 @@ module_exit(puv3_rtc_exit);
 MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip");
 MODULE_AUTHOR("Hu Dongliang");
 MODULE_LICENSE("GPL v2");
-
index dfc16f9..196284d 100644 (file)
@@ -24,23 +24,6 @@ menuconfig STAGING
 
 if STAGING
 
-config STAGING_EXCLUDE_BUILD
-       bool "Exclude Staging drivers from being built" if STAGING
-       default y
-       ---help---
-         Are you sure you really want to build the staging drivers?
-         They taint your kernel, don't live up to the normal Linux
-         kernel quality standards, are a bit crufty around the edges,
-         and might go off and kick your dog when you aren't paying
-         attention.
-
-         Say N here to be able to select and build the Staging drivers.
-         This option is primarily here to prevent them from being built
-         when selecting 'make allyesconfg' and 'make allmodconfig' so
-         don't be all that put off, your dog will be just fine.
-
-if !STAGING_EXCLUDE_BUILD
-
 source "drivers/staging/tty/Kconfig"
 
 source "drivers/staging/generic_serial/Kconfig"
@@ -177,5 +160,4 @@ source "drivers/staging/mei/Kconfig"
 
 source "drivers/staging/nvec/Kconfig"
 
-endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
index 8763088..8b1620b 100644 (file)
@@ -26,7 +26,7 @@
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/slab.h>
-#include <staging/altera.h>
+#include "altera.h"
 #include "altera-exprt.h"
 #include "altera-jtag.h"
 
index 05aad35..9cd5e76 100644 (file)
@@ -28,7 +28,7 @@
 #include <linux/string.h>
 #include <linux/firmware.h>
 #include <linux/slab.h>
-#include <staging/altera.h>
+#include "altera.h"
 #include "altera-exprt.h"
 #include "altera-jtag.h"
 
index 1f15e1f..afd6cc1 100644 (file)
@@ -1,6 +1,7 @@
 config ATH6K_LEGACY
        tristate "Atheros AR6003 support (non mac80211)"
         depends on MMC && WLAN
+       depends on CFG80211
         select WIRELESS_EXT
         select WEXT_PRIV
        help
index 77dfb40..d3a774d 100644 (file)
@@ -870,7 +870,8 @@ ar6k_cfg80211_scanComplete_event(struct ar6_softc *ar, int status)
     if(ar->scan_request)
     {
         /* Translate data to cfg80211 mgmt format */
-        wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy);
+       if (ar->arWmi)
+               wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy);
 
         cfg80211_scan_done(ar->scan_request,
             ((status & A_ECANCELED) || (status & A_EBUSY)) ? true : false);
index 929ceaf..15e1b05 100644 (file)
@@ -64,8 +64,6 @@ wl_iw_extra_params_t g_wl_iw_params;
 extern bool wl_iw_conn_status_str(u32 event_type, u32 status,
                                  u32 reason, char *stringBuf, uint buflen);
 
-uint wl_msg_level = WL_ERROR_VAL;
-
 #define MAX_WLIW_IOCTL_LEN 1024
 
 #ifdef CONFIG_WIRELESS_EXT
index 1c45c11..aa87b1b 100644 (file)
@@ -542,6 +542,8 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
        unsigned long irqflags;
        int ret = -ENOMEM;
        uint32_t tt_pages;
+       struct drm_connector *connector;
+       struct psb_intel_output *psb_intel_output;
 
        dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
        if (dev_priv == NULL)
@@ -663,7 +665,18 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
                drm_kms_helper_poll_init(dev);
        }
 
-       ret = psb_backlight_init(dev);
+       /* Only add backlight support if we have LVDS output */
+       list_for_each_entry(connector, &dev->mode_config.connector_list,
+                           head) {
+               psb_intel_output = to_psb_intel_output(connector);
+
+               switch (psb_intel_output->type) {
+               case INTEL_OUTPUT_LVDS:
+                       ret = psb_backlight_init(dev);
+                       break;
+               }
+       }
+
        if (ret)
                return ret;
 #if 0
index 99c03a2..084c36b 100644 (file)
@@ -441,6 +441,16 @@ static int psbfb_create(struct psb_fbdev *fbdev,
        info->screen_size = size;
        memset(info->screen_base, 0, size);
 
+       if (dev_priv->pg->stolen_size) {
+               info->apertures = alloc_apertures(1);
+               if (!info->apertures) {
+                       ret = -ENOMEM;
+                       goto out_err0;
+               }
+               info->apertures->ranges[0].base = dev->mode_config.fb_base;
+               info->apertures->ranges[0].size = dev_priv->pg->stolen_size;
+       }
+
        drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
        drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
                                sizes->fb_width, sizes->fb_height);
index 48ac8ba..417965d 100644 (file)
@@ -154,10 +154,15 @@ static void parse_lfp_panel_data(struct drm_psb_private *dev_priv,
 
        fill_detail_timing_data(panel_fixed_mode, dvo_timing);
 
-       dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
-
-       DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
-       drm_mode_debug_printmodeline(panel_fixed_mode);
+       if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) {
+               dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
+               DRM_DEBUG("Found panel mode in BIOS VBT tables:\n");
+               drm_mode_debug_printmodeline(panel_fixed_mode);
+       } else {
+               DRM_DEBUG("Ignoring bogus LVDS VBT mode.\n");
+               dev_priv->lvds_vbt = 0;
+               kfree(panel_fixed_mode);
+       }
 
        return;
 }
index 881768d..2fe34d2 100644 (file)
@@ -195,7 +195,7 @@ static const struct iio_info max517_info = {
 };
 
 static const struct iio_info max518_info = {
-       .attrs = &max517_attribute_group,
+       .attrs = &max518_attribute_group,
        .driver_module = THIS_MODULE,
 };
 
index 2589a7e..3612373 100644 (file)
@@ -137,13 +137,13 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p)
                if (st->variant->flags & ADIS16400_NO_BURST) {
                        ret = adis16350_spi_read_all(&indio_dev->dev, st->rx);
                        if (ret < 0)
-                               return ret;
+                               goto err;
                        for (; i < ring->scan_count; i++)
                                data[i] = *(s16 *)(st->rx + i*2);
                } else {
                        ret = adis16400_spi_read_burst(&indio_dev->dev, st->rx);
                        if (ret < 0)
-                               return ret;
+                               goto err;
                        for (; i < indio_dev->ring->scan_count; i++) {
                                j = __ffs(mask);
                                mask &= ~(1 << j);
@@ -158,9 +158,13 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p)
        ring->access->store_to(indio_dev->ring, (u8 *) data, pf->timestamp);
 
        iio_trigger_notify_done(indio_dev->trig);
-       kfree(data);
 
+       kfree(data);
        return IRQ_HANDLED;
+
+err:
+       kfree(data);
+       return ret;
 }
 
 void adis16400_unconfigure_ring(struct iio_dev *indio_dev)
index 6159023..d504aa2 100644 (file)
@@ -294,6 +294,7 @@ struct iio_poll_func
        pf->h = h;
        pf->thread = thread;
        pf->type = type;
+       pf->private_data = private;
 
        return pf;
 }
index 2818851..d1ffa32 100644 (file)
@@ -205,10 +205,10 @@ int mei_hw_init(struct mei_device *dev)
                        "host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n",
                        dev->host_hw_state, dev->me_hw_state);
 
-               if (!(dev->host_hw_state & H_RDY) != H_RDY)
+               if (!(dev->host_hw_state & H_RDY))
                        dev_dbg(&dev->pdev->dev, "host turn off H_RDY.\n");
 
-               if (!(dev->me_hw_state & ME_RDY_HRA) != ME_RDY_HRA)
+               if (!(dev->me_hw_state & ME_RDY_HRA))
                        dev_dbg(&dev->pdev->dev, "ME turn off ME_RDY.\n");
 
                printk(KERN_ERR "mei: link layer initialization failed.\n");
index b053067..fe40e0b 100644 (file)
@@ -2,6 +2,7 @@ config FB_OLPC_DCON
        tristate "One Laptop Per Child Display CONtroller support"
        depends on OLPC && FB
        select I2C
+       select BACKLIGHT_CLASS_DEVICE
        ---help---
          Add support for the OLPC XO DCON controller.  This controller is
          only available on OLPC platforms.   Unless you have one of these
index bddb031..cdae497 100644 (file)
@@ -2328,7 +2328,7 @@ Switch_Fail:
 
                        retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0, SD_RSP_TYPE_R4, rsp, 5);
                        if (retval == STATUS_SUCCESS) {
-                               int func_num = (rsp[1] >> 4) && 0x07;
+                               int func_num = (rsp[1] >> 4) & 0x07;
                                if (func_num) {
                                        RTSX_DEBUGP("SD_IO card (Function number: %d)!\n", func_num);
                                        chip->sd_io = 1;
index 6e99ec8..8cbea42 100644 (file)
@@ -26,6 +26,8 @@
 static int stub_probe(struct usb_interface *interface,
                      const struct usb_device_id *id);
 static void stub_disconnect(struct usb_interface *interface);
+static int stub_pre_reset(struct usb_interface *interface);
+static int stub_post_reset(struct usb_interface *interface);
 
 /*
  * Define device IDs here if you want to explicitly limit exportable devices.
@@ -59,6 +61,8 @@ struct usb_driver stub_driver = {
        .probe          = stub_probe,
        .disconnect     = stub_disconnect,
        .id_table       = stub_table,
+       .pre_reset      = stub_pre_reset,
+       .post_reset     = stub_post_reset,
 };
 
 /*
@@ -541,3 +545,20 @@ static void stub_disconnect(struct usb_interface *interface)
                del_match_busid((char *)udev_busid);
        }
 }
+
+/* 
+ * Presence of pre_reset and post_reset prevents the driver from being unbound
+ * when the device is being reset
+ */
+int stub_pre_reset(struct usb_interface *interface)
+{
+       dev_dbg(&interface->dev, "pre_reset\n");
+       return 0;
+}
+
+int stub_post_reset(struct usb_interface *interface)
+{
+       dev_dbg(&interface->dev, "post_reset\n");
+       return 0;
+}
index a5c1fa1..bc57844 100644 (file)
@@ -175,16 +175,18 @@ static int tweak_reset_device_cmd(struct urb *urb)
        dev_info(&urb->dev->dev, "usb_queue_reset_device\n");
 
        /*
-        * usb_lock_device_for_reset caused a deadlock: it causes the driver
-        * to unbind. In the shutdown the rx thread is signalled to shut down
-        * but this thread is pending in the usb_lock_device_for_reset.
-        *
-        * Instead queue the reset.
-        *
-        * Unfortunatly an existing usbip connection will be dropped due to
-        * driver unbinding.
+        * With the implementation of pre_reset and post_reset the driver no 
+        * longer unbinds. This allows the use of synchronous reset.
         */
-       usb_queue_reset_device(sdev->interface);
+
+       if (usb_lock_device_for_reset(sdev->udev, sdev->interface)<0)
+       {
+               dev_err(&urb->dev->dev, "could not obtain lock to reset device\n");
+               return 0;
+       }
+       usb_reset_device(sdev->udev);
+       usb_unlock_device(sdev->udev);
+
        return 0;
 }
 
index 65ea21a..6e8c15a 100644 (file)
@@ -147,9 +147,15 @@ void __init xen_swiotlb_init(int verbose)
 {
        unsigned long bytes;
        int rc;
-
-       xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT);
-       xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE);
+       unsigned long nr_tbl;
+
+       nr_tbl = swioltb_nr_tbl();
+       if (nr_tbl)
+               xen_io_tlb_nslabs = nr_tbl;
+       else {
+               xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT);
+               xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE);
+       }
 
        bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT;
 
index ea5f748..97e0d52 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1093,6 +1093,7 @@ int flush_old_exec(struct linux_binprm * bprm)
 
        bprm->mm = NULL;                /* We're using it now */
 
+       set_fs(USER_DS);
        current->flags &= ~(PF_RANDOMIZE | PF_KTHREAD);
        flush_thread();
        current->personality &= ~bprm->per_clear;
@@ -1357,10 +1358,6 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
        if (retval)
                return retval;
 
-       /* kernel module loader fixup */
-       /* so we don't try to load run modprobe in kernel space. */
-       set_fs(USER_DS);
-
        retval = audit_bprm(bprm);
        if (retval)
                return retval;
index e981189..c6db9fb 100644 (file)
@@ -28,6 +28,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/preempt.h>
+#include <asm/processor.h>
 
 typedef struct {
        unsigned sequence;
index 8c0e349..445702c 100644 (file)
@@ -24,6 +24,7 @@ extern int swiotlb_force;
 
 extern void swiotlb_init(int verbose);
 extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
+extern unsigned long swioltb_nr_tbl(void);
 
 /*
  * Enumeration for sync targets
index 93ca08b..99093b3 100644 (file)
@@ -110,6 +110,11 @@ setup_io_tlb_npages(char *str)
 __setup("swiotlb=", setup_io_tlb_npages);
 /* make io_tlb_overflow tunable too? */
 
+unsigned long swioltb_nr_tbl(void)
+{
+       return io_tlb_nslabs;
+}
+
 /* Note that this doesn't work with highmem page */
 static dma_addr_t swiotlb_virt_to_bus(struct device *hwdev,
                                      volatile void *address)
index c112056..4365df3 100644 (file)
@@ -666,6 +666,8 @@ char *ip6_compressed_string(char *p, const char *addr)
                        colonpos = i;
                }
        }
+       if (longest == 1)               /* don't compress a single 0 */
+               colonpos = -1;
 
        /* emit address */
        for (i = 0; i < range; i++) {
@@ -826,7 +828,7 @@ int kptr_restrict __read_mostly;
  *       IPv4 uses dot-separated decimal with leading 0's (010.123.045.006)
  * - '[Ii]4[hnbl]' IPv4 addresses in host, network, big or little endian order
  * - 'I6c' for IPv6 addresses printed as specified by
- *       http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-00
+ *       http://tools.ietf.org/html/rfc5952
  * - 'U' For a 16 byte UUID/GUID, it prints the UUID/GUID in the form
  *       "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
  *       Options for %pU are:
index 490122c..40caf3c 100644 (file)
@@ -17,6 +17,7 @@ quiet_cmd_wrap = WRAP    $@
 cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@
 
 all: $(patsubst %, $(obj)/%, $(generic-y))
+       @:
 
 $(obj)/%.h:
        $(call cmd,wrap)
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
new file mode 100755 (executable)
index 0000000..3b029cb
--- /dev/null
@@ -0,0 +1,48 @@
+#!/bin/sh
+#
+# A depmod wrapper used by the toplevel Makefile
+
+if test $# -ne 2; then
+       echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+       exit 1
+fi
+DEPMOD=$1
+KERNELRELEASE=$2
+
+if ! "$DEPMOD" -V 2>/dev/null | grep -q module-init-tools; then
+       echo "Warning: you may need to install module-init-tools" >&2
+       echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt" >&2
+       sleep 1
+fi
+
+if ! test -r System.map -a -x "$DEPMOD"; then
+       exit 0
+fi
+# older versions of depmod require the version string to start with three
+# numbers, so we cheat with a symlink here
+depmod_hack_needed=true
+mkdir -p .tmp_depmod/lib/modules/$KERNELRELEASE
+if "$DEPMOD" -b .tmp_depmod $KERNELRELEASE 2>/dev/null; then
+       if test -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep -o \
+               -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep.bin; then
+               depmod_hack_needed=false
+       fi
+fi
+if $depmod_hack_needed; then
+       symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
+       ln -s "$KERNELRELEASE" "$symlink"
+       KERNELRELEASE=99.98.$KERNELRELEASE
+fi
+
+set -- -ae -F System.map
+if test -n "$INSTALL_MOD_PATH"; then
+       set -- "$@" -b "$INSTALL_MOD_PATH"
+fi
+"$DEPMOD" "$@" "$KERNELRELEASE"
+ret=$?
+
+if $depmod_hack_needed; then
+       rm -f "$symlink"
+fi
+
+exit $ret
index 26d4d3f..9c5fb4d 100755 (executable)
@@ -23,12 +23,7 @@ if test -d ../../.git -o -f ../../.git &&
 then
        VN=$(echo "$VN" | sed -e 's/-/./g');
 else
-       eval $(grep '^VERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-       eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-       eval $(grep '^SUBLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-       eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-
-       VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
+       VN=$(make -sC ../.. kernelversion)
 fi
 
 VN=$(expr "$VN" : v*'\(.*\)')