Jesper Nilsson [Tue, 3 Aug 2010 16:29:07 +0000 (18:29 +0200)]
CRIS: Define __read_mostly for CRISv32
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 16:27:23 +0000 (18:27 +0200)]
CRIS: Discard .note.gnu.build-id section
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 16:12:47 +0000 (18:12 +0200)]
CRIS: Avoid compilation warning for puts
Rename to aputs.
Also, simplify code by moving some common code out to macros.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 16:10:12 +0000 (18:10 +0200)]
CRIS: Add debug for assembler macros
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 16:01:06 +0000 (18:01 +0200)]
CRIS: Update for ARTPEC-3
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 15:34:28 +0000 (17:34 +0200)]
CRIS: Add more delays in DDR setup
Also, make DDR latency configurable.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 14:18:22 +0000 (16:18 +0200)]
CRIS: Add debug info for assembler code
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 14:16:45 +0000 (16:16 +0200)]
CRIS: Add debug info for assembler code
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 14:13:37 +0000 (16:13 +0200)]
CRIS: Add debug symbols for assembler code
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 13:59:26 +0000 (15:59 +0200)]
CRIS: Minor formatting fix in traps.c
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 13:55:48 +0000 (15:55 +0200)]
CRIS: v32: Correct auto-restart of syscalls
Register number was incorrect in syscalls
that go via the restartblock (e.g, poll).
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 12:59:22 +0000 (14:59 +0200)]
CRIS: More ARTPEC-3 support and i2c-boardinfo.
Add standard i2d-devices.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 12:49:12 +0000 (14:49 +0200)]
CRIS: Remove obsolete pinmux.c, now machine dependent.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 12:45:55 +0000 (14:45 +0200)]
CRIS: kgdb: Fix compilation errors
Paths were not correct and pack_hex_byte() takes two arguments.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 12:17:20 +0000 (14:17 +0200)]
CRIS: v32: Correct path for intr_vect.h
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Tue, 3 Aug 2010 11:52:45 +0000 (13:52 +0200)]
CRIS: v32: Better irq mapping code
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 16:23:39 +0000 (18:23 +0200)]
CRIS: v32: Correct address for romfs in the image
Is after __bss_start, not __vmlinux_end
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 16:22:09 +0000 (18:22 +0200)]
CRIS: Additional mmu settings for ARTPEC-3
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 16:13:45 +0000 (18:13 +0200)]
CRIS: Faster syscall entry for CRISv32.
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 16:09:56 +0000 (18:09 +0200)]
CRIS: Simple insn reschedule to avoid interlocks.
Brings down the CPI from ~1.5 to ~1.1.
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 16:05:17 +0000 (18:05 +0200)]
CRIS: Add debug for assembler functions
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 15:48:31 +0000 (17:48 +0200)]
CRIS: Correct address of the romfs in boot image
The romfs should land after __init_end
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 13:19:17 +0000 (15:19 +0200)]
CRIS: Fasttimer: Remove obsolete ifdef
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 13:09:22 +0000 (15:09 +0200)]
CRIS: Better link to rs485 in help
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 13:04:51 +0000 (15:04 +0200)]
CRIS: Remove CVS tag.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 11:46:12 +0000 (13:46 +0200)]
CRIS: v10: remove all BKL usage
We don't need to take the BKL here.
Also fixes compile error after last commit (smp_lock.h was not included)
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Mon, 2 Aug 2010 11:17:05 +0000 (13:17 +0200)]
CRIS: gpio: don't call copy_to_user()/copy_from_user() while holding spinlocks
copy_to_user()/copy_from_user() must not be used with spinlocks held.
Move locks inside each case so we have better control of when the locks
are held.
Also, since we use spinlocks, we don't need to hold the BKL, so remove it.
Reported-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Joe Perches [Mon, 12 Jul 2010 20:49:53 +0000 (22:49 +0200)]
arch/cris: Remove unnecessary casts of private_data
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Fri, 30 Jul 2010 17:15:24 +0000 (19:15 +0200)]
cris: autoconvert trivial BKL users to private mutex
All these files use the big kernel lock in a trivial
way to serialize their private file operations,
typically resulting from an earlier semi-automatic
pushdown from VFS.
None of these drivers appears to want to lock against
other code, and they all use the BKL as the top-level
lock in their file operations, meaning that there
is no lock-order inversion problem.
Consequently, we can remove the BKL completely,
replacing it with a per-file mutex in every case.
Using a scripted approach means we can avoid
typos.
file=$1
name=$2
if grep -q lock_kernel ${file} ; then
if grep -q 'include.*linux.mutex.h' ${file} ; then
sed -i '/include.*<linux\/smp_lock.h>/d' ${file}
else
sed -i 's/include.*<linux\/smp_lock.h>.*$/include <linux\/mutex.h>/g' ${file}
fi
sed -i ${file} \
-e "/^#include.*linux.mutex.h/,$ {
1,/^\(static\|int\|long\)/ {
/^\(static\|int\|long\)/istatic DEFINE_MUTEX(${name}_mutex);
} }" \
-e "s/\(un\)*lock_kernel\>[ ]*()/mutex_\1lock(\&${name}_mutex)/g" \
-e '/[ ]*cycle_kernel_lock();/d'
else
sed -i -e '/include.*\<smp_lock.h\>/d' ${file} \
-e '/cycle_kernel_lock()/d'
fi
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Jesper Nilsson [Fri, 30 Jul 2010 17:04:37 +0000 (19:04 +0200)]
cris: Pushdown the bkl from ioctl
From: Frederic Weisbecker <fweisbec@gmail.com>
Pushdown the bkl to the remaining drivers using the
deprecated .ioctl.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Jesper Nilsson [Fri, 30 Jul 2010 16:34:16 +0000 (18:34 +0200)]
CRIS: invoke oom-killer from page fault
As explained in commit
1c0fe6e3bd, we want to call the architecture independent
oom killer when getting an unexplained OOM from handle_mm_fault, rather than
simply killing current.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Mikael Starvik <starvik@axis.com>
Jesper Nilsson [Fri, 30 Jul 2010 15:33:07 +0000 (17:33 +0200)]
CRIS: GENERIC_TIME fixes
GENERIC_TIME was not functional for CRIS, giving random backward
time jumps.
For CRISv32 implement a new clocksource using the free running counter
and ditch the arch_gettimeoffset.
The random time jumps still existed, but turned out to be the write_seqlock
which was missing around our do_timer() call.
So switch over to GENERIC_TIME using the clocksource for CRISv32.
CRISv10 doesn't have the free running counter needed for the
clocksource trick, but we can still use GENERIC_TIME with
arch_gettimeoffset.
Unfortunately, there were problems in using the prescaler register
to timer0 for the gettimeoffset calculation, so it is now ignored,
making our resolution worse by the tune of 40usec (0.4%) worst case.
At the same time, clean up some formatting and use NSEC_PER_SEC
instead of
1000000000.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Latchesar Ionkov [Mon, 19 Jul 2010 20:40:03 +0000 (15:40 -0500)]
9p: Pass the correct end of buffer to p9stat_read
Pass the correct end of the buffer to p9stat_read.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Jon Povey [Tue, 27 Jul 2010 20:18:06 +0000 (13:18 -0700)]
gpio: fix spurious printk when freeing a gpio
When freeing a gpio that has not been exported, gpio_unexport() prints a
debug message when it should just fall through silently.
Example spurious message:
gpio_unexport: gpio0 status -22
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Cc: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Anton Vorontsov [Tue, 27 Jul 2010 20:18:05 +0000 (13:18 -0700)]
edac: mpc85xx: fix coldplug/hotplug module autoloading
The MPC85xx EDAC driver is missing module device aliases, so the driver
won't load automatically on boot. This patch fixes the issue by adding
proper MODULE_DEVICE_TABLE() macros.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Dave Jiang <djiang@mvista.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rudolf Marek [Tue, 27 Jul 2010 20:18:02 +0000 (13:18 -0700)]
drivers/rtc/rtc-rx8581.c: fix setdatetime
Fix the logic while writing new date/time to the chip. The driver
incorrectly wrote back register values to different registers and even
with wrong mask. The patch adds clearing of the VLF register, which
should be cleared if all date/time values are set.
Signed-off-by: Rudolf Marek <rudolf.marek@sysgo.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Martyn Welch <martyn.welch@gefanuc.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jason Baron [Tue, 27 Jul 2010 20:18:01 +0000 (13:18 -0700)]
dynamic debug: move ddebug_remove_module() down into free_module()
The command
echo "file ec.c +p" >/sys/kernel/debug/dynamic_debug/control
causes an oops.
Move the call to ddebug_remove_module() down into free_module(). In this
way it should be called from all error paths. Currently, we are missing
the remove if the module init routine fails.
Signed-off-by: Jason Baron <jbaron@redhat.com>
Reported-by: Thomas Renninger <trenn@suse.de>
Tested-by: Thomas Renninger <trenn@suse.de>
Cc: <stable@kernel.org> [2.6.32+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 27 Jul 2010 16:23:39 +0000 (09:23 -0700)]
Merge branch 'urgent' of git://git./linux/kernel/git/paulus/perf
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/perf:
perf, powerpc: Use perf_sample_data_init() for the FSL code
Linus Torvalds [Tue, 27 Jul 2010 16:22:55 +0000 (09:22 -0700)]
Merge git://git.infradead.org/users/cbou/battery-2.6.35
* git://git.infradead.org/users/cbou/battery-2.6.35:
ds2782_battery: Rename get_current to fix build failure / name conflict
Linus Torvalds [Tue, 27 Jul 2010 16:21:00 +0000 (09:21 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
s2io: fixing DBG_PRINT() macro
ath9k: fix dma direction for map/unmap in ath_rx_tasklet
net: dev_forward_skb should call nf_reset
net sched: fix race in mirred device removal
tun: avoid BUG, dump packet on GSO errors
bonding: set device in RLB ARP packet handler
wimax/i2400m: Add PID & VID for Intel WiMAX 6250
ipv6: Don't add routes to ipv6 disabled interfaces.
net: Fix skb_copy_expand() handling of ->csum_start
net: Fix corruption of skb csum field in pskb_expand_head() of net/core/skbuff.c
macvtap: Limit packet queue length
ixgbe/igb: catch invalid VF settings
bnx2x: Advance a module version
bnx2x: Protect statistics ramrod and sequence number
bnx2x: Protect a SM state change
wireless: use netif_rx_ni in ieee80211_send_layer2_update
Peter Zijlstra [Fri, 9 Jul 2010 08:21:21 +0000 (10:21 +0200)]
perf, powerpc: Use perf_sample_data_init() for the FSL code
We should use perf_sample_data_init() to initialize struct
perf_sample_data. As explained in the description of commit
dc1d628a
("perf: Provide generic perf_sample_data initialization"), it is
possible for userspace to get the kernel to dereference data.raw,
so if it is not initialized, that means that unprivileged userspace
can possibly oops the kernel. Using perf_sample_data_init makes sure
it gets initialized to NULL.
This conversion should have been included in commit
dc1d628a, but it
got missed.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Linus Torvalds [Mon, 26 Jul 2010 23:02:07 +0000 (16:02 -0700)]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Do not try to disable hpet if it hasn't been initialized before
x86, i8259: Only register sysdev if we have a real 8259 PIC
Breno Leitao [Mon, 26 Jul 2010 22:37:30 +0000 (15:37 -0700)]
s2io: fixing DBG_PRINT() macro
Patch
9e39f7c5b311a306977c5471f9e2ce4c456aa038 changed the
DBG_PRINT() macro and the if clause was wrongly changed. It means
that currently all the DBG_PRINT are being printed, flooding the
kernel log buffer with things like:
s2io: eth6: Next block at:
c0000000b9c90000
s2io: eth6: In Neterion Tx routine
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Acked-by: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 26 Jul 2010 22:35:53 +0000 (15:35 -0700)]
Merge branch 'fixes' of git://git./linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] powernow-k8: Limit Pstate transition latency check
[CPUFREQ] Fix PCC driver error path
[CPUFREQ] fix double freeing in error path of pcc-cpufreq
[CPUFREQ] pcc driver should check for pcch method before calling _OSC
[CPUFREQ] fix memory leak in cpufreq_add_dev
[CPUFREQ] revert "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)"
Linus Torvalds [Mon, 26 Jul 2010 22:35:04 +0000 (15:35 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus:
MIPS: Set io_map_base for several PCI bridges lacking it
MIPS: Alchemy: Define eth platform devices in the correct order
MIPS: BCM63xx: Prevent second enet registration on BCM6338
MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
MIPS: N32: Define getdents64.
MIPS: MTX-1: Fix PCI on the MeshCube and related boards
MIPS: Make init_vdso a subsys_initcall.
MIPS: "Fix" useless 'init_vdso successfully' message.
MIPS: PowerTV: Move register setup to before reading registers.
SOUND: Au1000: Fix section mismatch
VIDEO: Au1100fb: Fix section mismatch
VIDEO: PMAGB-B: Fix section mismatch
VIDEO: PMAG-BA: Fix section mismatch
NET: declance: Fix section mismatches
VIDEO. gbefb: Fix section mismatches.
Jesse Barnes [Mon, 26 Jul 2010 20:51:22 +0000 (13:51 -0700)]
drm/i915: make sure we shut off the panel in eDP configs
Fix error from the last pull request. Making sure we shut the panel off
is more correct and saves power.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David S. Miller [Mon, 26 Jul 2010 20:26:09 +0000 (13:26 -0700)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6
Linus Torvalds [Mon, 26 Jul 2010 20:07:25 +0000 (13:07 -0700)]
Merge git://git./linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
sysfs: allow creating symlinks from untagged to tagged directories
sysfs: sysfs_delete_link handle symlinks from untagged to tagged directories.
sysfs: Don't allow the creation of symlinks we can't remove
Linus Torvalds [Mon, 26 Jul 2010 20:06:39 +0000 (13:06 -0700)]
Merge git://git./linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: musb: tusb6010: fix compile error with n8x0_defconfig
USB: FTDI: Add support for the RT System VX-7 radio programming cable
USB: add quirk for Broadcom BT dongle
USB: usb-storage: fix initializations of urb fields
USB: xhci: Set Mult field in endpoint context correctly.
USB: sisusbvga: Fix for USB 3.0
USB: adds Artisman USB dongle to list of quirky devices
USB: xhci: Set EP0 dequeue ptr after reset of configured device.
USB: Fix USB3.0 Port Speed Downgrade after port reset
USB: xHCI: Fix another bug in link TRB activation change.
USB: option: Add support for AMOI Skypephone S2
USB: New PIDs for Qualcomm gobi 2000 (qcserial)
USB: ftdi_sio: support for Signalyzer tools based on FTDI chips
USB: s3c2410_udc: be aware of connected gadget driver
USB: Expose vendor-specific ACM channel on Nokia 5230
USB: Add PID for Sierra 250U to drivers/usb/serial/sierra.c
USB: option: add support for 1da5:4518
Linus Torvalds [Mon, 26 Jul 2010 20:06:25 +0000 (13:06 -0700)]
Merge git://git./linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
serial: fix rs485 for atmel_serial on avr32
Linus Torvalds [Mon, 26 Jul 2010 20:04:25 +0000 (13:04 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: add pipe A force quirks to i915 driver
drm/i915: Fix panel fitting regression since
734b4157
drm/i915: fix deadlock in fb teardown
drm/i915: don't free non-existent compressed llb on ILK+
agp/intel: Use the correct mask to detect i830 aperture size.
drm/i915: disable FBC when more than one pipe is active
drm/i915: Use the correct scanout alignment for fbcon.
drm/i915: make sure eDP panel is turned on
drm/i915: add PANEL_UNLOCK_REGS definition
drm/i915: Make G4X-style PLL search more permissive
drm/i915: Clear any existing dither mode prior to enabling spatial dithering
drm/i915: handle shared framebuffers when flipping
drm/i915: Explosion following OOM in do_execbuffer.
gpu/drm/i915: Add a blacklist to omit modeset on LID open
Borislav Petkov [Thu, 8 Jul 2010 15:55:30 +0000 (17:55 +0200)]
[CPUFREQ] powernow-k8: Limit Pstate transition latency check
The Pstate transition latency check was added for broken F10h BIOSen
which wrongly contain a value of 0 for transition and bus master
latency. Fam11h and later, however, (will) have similar transition
latency so extend that behavior for them too.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Matthew Garrett [Thu, 15 Jul 2010 15:44:00 +0000 (11:44 -0400)]
[CPUFREQ] Fix PCC driver error path
The PCC cpufreq driver unmaps the mailbox address range if any CPUs fail to
initialise, but doesn't do anything to remove the registered CPUs from the
cpufreq core resulting in failures further down the line. We're better off
simply returning a failure - the cpufreq core will unregister us cleanly if
we end up with no successfully registered CPUs. Tidy up the failure path
and also add a sanity check to ensure that the firmware gives us a realistic
frequency - the core deals badly with that being set to 0.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Daniel J Blueman [Fri, 23 Jul 2010 22:06:52 +0000 (23:06 +0100)]
[CPUFREQ] fix double freeing in error path of pcc-cpufreq
Prevent double freeing on error path.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Matthew Garrett [Tue, 20 Jul 2010 17:52:00 +0000 (13:52 -0400)]
[CPUFREQ] pcc driver should check for pcch method before calling _OSC
The pcc specification documents an _OSC method that's incompatible with the
one defined as part of the ACPI spec. This shouldn't be a problem as both
are supposed to be guarded with a UUID. Unfortunately approximately nobody
(including HP, who wrote this spec) properly check the UUID on entry to the
_OSC call. Right now this could result in surprising behaviour if the pcc
driver performs an _OSC call on a machine that doesn't implement the pcc
specification. Check whether the PCCH method exists first in order to reduce
this probability.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Xiaotian Feng [Tue, 20 Jul 2010 12:11:02 +0000 (20:11 +0800)]
[CPUFREQ] fix memory leak in cpufreq_add_dev
We didn't free policy->related_cpus in error path err_unlock_policy.
This is catched by following kmemleak report:
unreferenced object 0xffff88022a0b96d0 (size 512):
comm "modprobe", pid 886, jiffies
4294689177 (age 780.694s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<
ffffffff8111ebe5>] create_object+0x186/0x281
[<
ffffffff814fad4f>] kmemleak_alloc+0x60/0xa7
[<
ffffffff8111127a>] kmem_cache_alloc_node_notrace+0x120/0x142
[<
ffffffff81262e4f>] alloc_cpumask_var_node+0x2c/0xd7
[<
ffffffff81262f0b>] alloc_cpumask_var+0x11/0x13
[<
ffffffff81262f1c>] zalloc_cpumask_var+0xf/0x11
[<
ffffffff8140fac0>] cpufreq_add_dev+0x11f/0x547
[<
ffffffff81334bda>] sysdev_driver_register+0xc2/0x11d
[<
ffffffff8140e334>] cpufreq_register_driver+0xcb/0x1b8
[<
ffffffffa032e040>] 0xffffffffa032e040
[<
ffffffff810021ba>] do_one_initcall+0x5e/0x15c
[<
ffffffff81087f94>] sys_init_module+0xa6/0x1e6
[<
ffffffff81009bc2>] system_call_fastpath+0x16/0x1b
[<
ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Andrej Gelenberg [Fri, 14 May 2010 22:15:58 +0000 (15:15 -0700)]
[CPUFREQ] revert "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)"
395913d0b1db37092ea3d9d69b832183b1dd84c5 ("[CPUFREQ] remove rwsem lock
from CPUFREQ_GOV_STOP call (second call site)") is not needed, because
there is no rwsem lock in cpufreq_ondemand and cpufreq_conservative
anymore. Lock should not be released until the work done.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=1594
Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Eric W. Biederman [Wed, 21 Jul 2010 05:12:01 +0000 (22:12 -0700)]
sysfs: allow creating symlinks from untagged to tagged directories
Supporting symlinks from untagged to tagged directories is reasonable,
and needed to support CONFIG_SYSFS_DEPRECATED. So don't fail a prior
allowing that case to work.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Eric W. Biederman [Wed, 21 Jul 2010 05:10:58 +0000 (22:10 -0700)]
sysfs: sysfs_delete_link handle symlinks from untagged to tagged directories.
This happens for network devices when SYSFS_DEPRECATED is enabled.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Eric W. Biederman [Thu, 8 Jul 2010 16:31:24 +0000 (09:31 -0700)]
sysfs: Don't allow the creation of symlinks we can't remove
Recently my tagged sysfs support revealed a flaw in the device core
that a few rare drivers are running into such that we don't always put
network devices in a class subdirectory named net/.
Since we are not creating the class directory the network devices wind
up in a non-tagged directory, but the symlinks to the network devices
from /sys/class/net are in a tagged directory. All of which works
until we go to remove or rename the symlink. When we remove or rename
a symlink we look in the namespace of the target of the symlink.
Since the target of the symlink is in a non-tagged sysfs directory we
don't have a namespace to look in, and we fail to remove the symlink.
Detect this problem up front and simply don't create symlinks we won't
be able to remove later. This prevents symlink leakage and fails in
a much clearer and more understandable way.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Felipe Balbi [Mon, 5 Jul 2010 09:12:01 +0000 (12:12 +0300)]
USB: musb: tusb6010: fix compile error with n8x0_defconfig
Drop the unnecessary empty stubs in tusb6010.c and avoid
a compile error when building kernel for n8x0.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Corey Minyard [Wed, 21 Jul 2010 13:39:22 +0000 (08:39 -0500)]
USB: FTDI: Add support for the RT System VX-7 radio programming cable
RT Systems has put out bunch of ham radio cables based on the FT232RL
chip. Each cable type has a unique PID, this adds one for the Yaesu VX-7
radios.
Signed-off-by: Corey Minyard <minyard@acm.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oliver Neukum [Wed, 14 Jul 2010 16:26:22 +0000 (18:26 +0200)]
USB: add quirk for Broadcom BT dongle
This device needs to be reset when resuming
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Bob Copeland [Mon, 12 Jul 2010 15:18:18 +0000 (11:18 -0400)]
USB: usb-storage: fix initializations of urb fields
Commit
0ede76fcec5415ef82a423a95120286895822e2d, "USB: remove uses of
URB_NO_SETUP_DMA_MAP" introduced a regression by inadvertantly removing
initialization of the transfer flags. This caused initialization
failures in the ums-karma driver. Fix the regression by zeroing it.
While at it, as Alan Stern points out, the initializers for
actual_length and status are handled by the core and error_count
only matters for isochronous urbs, so they don't need to be set here.
Remove them.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Sarah Sharp [Sat, 10 Jul 2010 13:48:01 +0000 (15:48 +0200)]
USB: xhci: Set Mult field in endpoint context correctly.
The bmAttributes field of the SuperSpeed Endpoint Companion Descriptor has
different meanings, depending on the endpoint type. If the endpoint is
isochronous, the bmAttributes field is the maximum number of packets
within a service interval that this endpoint supports. If the endpoint is
bulk, it's the number of stream IDs this endpoint supports.
Only set the Mult field of the xHCI endpoint context using the
bmAttributes field if the endpoint is isochronous, and the device is a
SuperSpeed device.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oliver Neukum [Fri, 16 Jul 2010 15:36:26 +0000 (17:36 +0200)]
USB: sisusbvga: Fix for USB 3.0
Super speed is also fast enough to let sisusbvga operate.
Therefor expand the checks.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Paul Mortier [Fri, 9 Jul 2010 12:18:50 +0000 (13:18 +0100)]
USB: adds Artisman USB dongle to list of quirky devices
When an attempt is made to read the interface strings of the Artisman
Watchdog USB dongle (idVendor:idProduct 04b4:0526) an error is written
to the dmesg log (uhci_result_common: failed with status 440000) and the
dongle resets itself, resulting in a disconnect/reconnect loop.
Adding the dongle to the list of devices in quirks.c, with the same
quirk Alan Stern's previous patch for the Saitek Cyborg Gold 3D
joystick, stops the device from resetting and allows it to be used with
no problems.
Signed-off-by: Paul Mortier <mortier@btinternet.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Sarah Sharp [Fri, 9 Jul 2010 15:08:54 +0000 (17:08 +0200)]
USB: xhci: Set EP0 dequeue ptr after reset of configured device.
When a configured device is reset, the control endpoint's ring is reused.
If control transfers to the device were issued before the device is reset,
the dequeue pointer will be somewhere in the middle of the ring. If the
device is then issued an address with the set address command, the xHCI
driver must provide a valid input context for control endpoint zero.
The original code would give the hardware the original input context,
which had a dequeue pointer set to the top of the ring. This would cause
the host to re-execute any control transfers until it reached the ring's
enqueue pointer. When issuing a set address command for a device that has
just been configured and then reset, use the control endpoint's enqueue
pointer as the hardware's dequeue pointer.
Assumption: All control transfers will be completed or cancelled before
the set address command is issued to the device. If there are any
outstanding control transfers, this code will not work.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Sarah Sharp [Fri, 9 Jul 2010 15:08:48 +0000 (17:08 +0200)]
USB: Fix USB3.0 Port Speed Downgrade after port reset
Without this fix, a USB 3.0 port is downgraded to full speed after a port
reset of a configured device. The USB 3.0 terminations will be disabled
permanently, and USB 3.0 devices will always enumerate as full speed
devices, until the host controller is unplugged (if it is an ExpressCard)
or the computer is rebooted.
Fajun Chen traced this traced the speed downgrade issue to the port reset
and the interpretation of port status in USB hub driver code. The hub
code was not testing for the port being a SuperSpeed port, and it fell
through to the else case of Full Speed.
The following patch adds SuperSpeed mapping from the port status, and
fixes the speed downgrade issue.
Reported-by: Fajun Chen <fajun.chen@seagate.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Sarah Sharp [Fri, 9 Jul 2010 15:08:38 +0000 (17:08 +0200)]
USB: xHCI: Fix another bug in link TRB activation change.
Commit
6c12db90f19727c76990e7f4801c67a148b30111 also seems to have
introduced a bug that is triggered when the command ring is about to wrap.
The inc_enq() function will not have moved the enqueue pointer past the
link TRB. It is supposed to be moved past the link TRB in prepare_ring(),
which should be called before a TD is enqueued. However, the
queue_command() function never calls the prepare_ring() function because
prepare_ring() is only supposed to be used for endpoint rings. That means
the enqueue pointer will not be moved past the link TRB, and will get
overwritten.
The fix is to make queue_command() call prepare_ring() with a fake
endpoint status (set to running). Then the enqueue pointer will get moved
past the link TRB.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Dennis Jansen [Fri, 9 Jul 2010 20:03:53 +0000 (22:03 +0200)]
USB: option: Add support for AMOI Skypephone S2
usbserial: Add AMOI Skypephone S2 support.
This patch adds support for the AMOI Skypephone S2 to the usbserial module.
Tested-by: Dennis Jansen <Dennis.Jansen@web.de>
Signed-off-by: Dennis Jansen <Dennis.Jansen@web.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Andrew Bird [Thu, 1 Jul 2010 19:50:07 +0000 (20:50 +0100)]
USB: New PIDs for Qualcomm gobi 2000 (qcserial)
Adds support for the Generic Qualcomm Gobi 2000 WWAN UMTS/CDMA modem
Signed-off-by: Andrew Bird <ajb@spheresytems.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Colin Leitner [Thu, 1 Jul 2010 08:49:55 +0000 (10:49 +0200)]
USB: ftdi_sio: support for Signalyzer tools based on FTDI chips
ftdi_sio: support for Signalyzer tools based on FTDI chips
This patch adds support for the Xverve Signalyzers.
Signed-off-by: Colin Leitner <colin.leitner@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Vladimir Zapolskiy [Tue, 29 Jun 2010 19:36:26 +0000 (23:36 +0400)]
USB: s3c2410_udc: be aware of connected gadget driver
To escape from data abort in interrupt handler, it is required to
check for a connected gadget before delivering control requests.
The change fixes the following panic, which occurs with no loaded
gadget driver and input USB_REQ_GET_DESCRIPTOR request:
Kernel panic - not syncing: Fatal exception in interrupt
[<
c0025874>] (unwind_backtrace+0x0/0xd8) from [<
c0253f14>] (panic+0x40/0x110)
[<
c0253f14>] (panic+0x40/0x110) from [<
c002470c>] (die+0x154/0x180)
[<
c002470c>] (die+0x154/0x180) from [<
c0026448>] (__do_kernel_fault+0x64/0x74)
[<
c0026448>] (__do_kernel_fault+0x64/0x74) from [<
c0026610>] (do_page_fault+0x1b8/0x1cc)
[<
c0026610>] (do_page_fault+0x1b8/0x1cc) from [<
c00202d4>] (do_DataAbort+0x34/0x94)
[<
c00202d4>] (do_DataAbort+0x34/0x94) from [<
c0020a60>] (__dabt_svc+0x40/0x60)
Exception stack(0xc0327ea8 to 0xc0327ef0)
7ea0:
bf0026b0 c0327ef0 c0327ee4 00000000 bf002590 00000093
7ec0:
00000001 bf0026b0 bf002990 00000000 00000008 0000143d 00003f00 c0327ef0
7ee0:
bf001364 bf001360 20000093 ffffffff
[<
c0020a60>] (__dabt_svc+0x40/0x60) from [<
bf001360>] (s3c2410_udc_irq+0x5b8/0x778 [s3c2410_udc])
[<
bf001360>] (s3c2410_udc_irq+0x5b8/0x778 [s3c2410_udc]) from [<
c0058aa0>] (handle_IRQ_event+0x3c/0x104)
[<
c0058aa0>] (handle_IRQ_event+0x3c/0x104) from [<
c005a428>] (handle_edge_irq+0x12c/0x164)
[<
c005a428>] (handle_edge_irq+0x12c/0x164) from [<
c0020068>] (asm_do_IRQ+0x68/0x88)
[<
c0020068>] (asm_do_IRQ+0x68/0x88) from [<
c0020aa4>] (__irq_svc+0x24/0xa0)
Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Przemo Firszt [Mon, 28 Jun 2010 20:29:34 +0000 (21:29 +0100)]
USB: Expose vendor-specific ACM channel on Nokia 5230
Nokia S60 phones expose two ACM channels. The first is
a modem, the second is 'vendor-specific' but is treated
as a serial device at the S60 end, so we want to expose
it on Linux too.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
august huber [Mon, 28 Jun 2010 18:46:05 +0000 (11:46 -0700)]
USB: Add PID for Sierra 250U to drivers/usb/serial/sierra.c
Add VID/PID for Sierra Wireless 250U USB dongle to sierra.c
Allows use of 3G radio only
Signed-off-by: August Huber <gus@pbx.org>
Cc: Elina Pasheva <epasheva@sierrawireless.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ömer Sezgin Ugurlu [Mon, 28 Jun 2010 16:01:58 +0000 (19:01 +0300)]
USB: option: add support for 1da5:4518
Signed-off-by: Omer Sezgin Ugurlu <omer.ugurlu@a-kent.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jesse Barnes [Mon, 19 Jul 2010 20:53:12 +0000 (13:53 -0700)]
drm/i915: add pipe A force quirks to i915 driver
Ported over from the old UMS list. Unfortunately they're still
necessary especially on older laptop platforms.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=22126.
Tested-by: Xavier <shiningxc@gmail.com>
Tested-by: Diego Escalante Urrelo <diegoe@gnome.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Chris Wilson [Sat, 17 Jul 2010 11:43:20 +0000 (12:43 +0100)]
drm/i915: Fix panel fitting regression since
734b4157
The crtc mode fixup is run after the encoders adjust the mode to fit on
their output, so don't reset the mode!
Fixes:
Bug 29057 - display corruption under 800x600 on netbook
(1024x600) with 'Full Aspect' scaling
https://bugs.freedesktop.org/show_bug.cgi?id=29057
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Xun Fang <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Peter Huewe [Tue, 29 Jun 2010 17:35:39 +0000 (19:35 +0200)]
serial: fix rs485 for atmel_serial on avr32
This patch fixes a build failure [1-4] in the atmel_serial code introduced by
patch the patch ARM: 6092/1: atmel_serial: support for RS485
communications (
e8faff7330a3501eafc9bfe5f4f15af444be29f5)
The build failure was caused by missing struct field and missing defines
for the avr32 board - the patch fixes this.
[1] http://kisskb.ellerman.id.au/kisskb/buildresult/2575242/ - first failure in linux-next, may 11th
[2] http://kisskb.ellerman.id.au/kisskb/buildresult/2816418/ - still exists as of today
[3] http://kisskb.ellerman.id.au/kisskb/buildresult/2617511/ - first failure in Linus' tree - May 20th - did really no one notice this?!
[4] http://kisskb.ellerman.id.au/kisskb/buildresult/2813956/ - still exists in Linus' tree as of today
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ming Lei [Fri, 14 May 2010 13:15:38 +0000 (21:15 +0800)]
ath9k: fix dma direction for map/unmap in ath_rx_tasklet
For edma, we should use DMA_BIDIRECTIONAL, or else use
DMA_FROM_DEVICE.
This is found to address "BUG at arch/x86/mm/physaddr.c:5"
as described here:
http://lkml.org/lkml/2010/7/14/21
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Jesse Barnes [Tue, 20 Jul 2010 18:58:00 +0000 (11:58 -0700)]
drm/i915: fix deadlock in fb teardown
At module unload time we'll tear down the fbdev state. We do so under
the struct mutex, so we shouldn't try to use the unlocked variant of
the GEM object unreference function or we may deadlock.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Jesse Barnes [Thu, 22 Jul 2010 15:12:20 +0000 (08:12 -0700)]
drm/i915: don't free non-existent compressed llb on ILK+
We should only free the compressed llb if we allocated it in the first
place otherwise we'll panic at unload time.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Tim Gardner [Fri, 9 Jul 2010 20:48:50 +0000 (14:48 -0600)]
agp/intel: Use the correct mask to detect i830 aperture size.
BugLink: https://bugs.launchpad.net/bugs/597075
commit
f1befe71fa7a79ab733011b045639d8d809924ad introduced a
regression when detecting aperture size of some i915 adapters, e.g.,
those on the Intel Q35 chipset.
The original report: https://bugzilla.kernel.org/show_bug.cgi?id=15733
The regression report: https://bugzilla.kernel.org/show_bug.cgi?id=16294
According to the specification found at
http://intellinuxgraphics.org/VOL_1_graphics_core.pdf, the PCI config
space register I830_GMCH_CTRL is a mirror of GMCH Graphics
Control. The correct macro for isolating the aperture size bits is
therefore I830_GMCH_GMS_MASK along with the attendant changes to the
case statement.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Tested-by: Kees Cook <kees.cook@canonical.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Eric Anholt <eric@anholt.net>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Jesse Barnes [Fri, 23 Jul 2010 22:20:00 +0000 (15:20 -0700)]
drm/i915: disable FBC when more than one pipe is active
We're really supposed to do this to avoid trouble with underflows when
multiple planes are active.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=26987.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: fangxun <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Chris Wilson [Fri, 23 Jul 2010 22:32:05 +0000 (23:32 +0100)]
drm/i915: Use the correct scanout alignment for fbcon.
This fixes a potential modesetting error during boot with plymouth on
Broadwater and Crestline introduced with 9df47c. The framebuffer was
hard-coding an alignment of 64K, but the modesetting code required the
documented alignment of 128K. The result was that we would attempt to
unbind the pinned fbcon buffer, triggering an ERROR and ultimately
failing the mode change.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Jesse Barnes [Thu, 22 Jul 2010 20:18:19 +0000 (13:18 -0700)]
drm/i915: make sure eDP panel is turned on
When enabling the eDP port, we need to make sure the panel is turned on
after training the link. If we don't, it likely won't come back after
suspend or may not come up at all.
For unknown reasons, unlocking the panel regs before initiating a power
on sequence is necessary. There are known bugs in the PCH panel
sequencing logic, apparently this is one possible workaround.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28739.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: "Paulo J. S. Silva" <pjssilva@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Jesse Barnes [Thu, 22 Jul 2010 20:18:18 +0000 (13:18 -0700)]
drm/i915: add PANEL_UNLOCK_REGS definition
In some cases, unlocking the panel regs is safe and can help us avoid a
flickery, full mode set sequence. So define the unlock key and use it.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Adam Jackson [Fri, 2 Jul 2010 20:43:30 +0000 (16:43 -0400)]
drm/i915: Make G4X-style PLL search more permissive
Fixes an Ironlake laptop with a 68.940MHz 1280x800 panel and 120MHz SSC
reference clock.
More generally, the 0.488% tolerance used before is just too tight to
reliably find a PLL setting. I extracted the search algorithm and
modified it to find the dot clocks with maximum error over the valid
range for the given output type:
http://people.freedesktop.org/~ajax/intel_g4x_find_best_pll.c
This gave:
Worst dotclock for Ironlake DAC refclk is 350000kHz (error 0.00571)
Worst dotclock for Ironlake SL-LVDS refclk is 102321kHz (error 0.00524)
Worst dotclock for Ironlake DL-LVDS refclk is 219642kHz (error 0.00488)
Worst dotclock for Ironlake SL-LVDS SSC refclk is 84374kHz (error 0.00529)
Worst dotclock for Ironlake DL-LVDS SSC refclk is 183035kHz (error 0.00488)
Worst dotclock for G4X SDVO refclk is 267600kHz (error 0.00448)
Worst dotclock for G4X HDMI refclk is 334400kHz (error 0.00478)
Worst dotclock for G4X SL-LVDS refclk is 95571kHz (error 0.00449)
Worst dotclock for G4X DL-LVDS refclk is 224000kHz (error 0.00510)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
Ben Hutchings [Sun, 13 Jun 2010 21:22:59 +0000 (22:22 +0100)]
MIPS: Set io_map_base for several PCI bridges lacking it
Several MIPS platforms don't set pci_controller::io_map_base for their
PCI bridges. This results in a panic in pci_iomap(). (The panic is
conditional on CONFIG_PCI_DOMAINS, but that is now enabled for all PCI
MIPS systems.)
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-mips@linux-mips.org
Cc: Martin Michlmayr <tbm@cyrius.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: 584784@bugs.debian.org
Patchwork: https://patchwork.linux-mips.org/patch/1377/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wolfgang Grandegger [Sat, 17 Jul 2010 14:38:48 +0000 (16:38 +0200)]
MIPS: Alchemy: Define eth platform devices in the correct order
Currently, the eth devices are probed in the inverse order, first
au1xxx_eth1_device and then au1xxx_eth0_device. On the GPR board,
this makes trouble:
# ifconfig|grep HWaddr
eth0 Link encap:Ethernet HWaddr 00:50:C2:0C:30:01
eth1 Link encap:Ethernet HWaddr 66:22:01:80:38:10
A bogous ethernet hwaddr is assigned to the first device and
au1xxx_eth0_device is mapped to eth1, which even does not work
properly. With this patch, the problems are gone:
# ifconfig|grep HWaddr
eth0 Link encap:Ethernet HWaddr 66:22:11:32:38:10
eth1 Link encap:Ethernet HWaddr 66:22:11:32:38:11
Signed-off-by: Wolfgang Grandegger <wg@denx.de>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1473/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Florian Fainelli [Wed, 21 Jul 2010 20:59:26 +0000 (22:59 +0200)]
MIPS: BCM63xx: Prevent second enet registration on BCM6338
This SoC has only one ethernet MAC, so prevent registration of a second one.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1482/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 22 Jul 2010 18:59:27 +0000 (11:59 -0700)]
MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
For 64-bit, we must use DADDU and DSUBU.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1483/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Thu, 22 Jul 2010 01:20:25 +0000 (21:20 -0400)]
MIPS: N32: Define getdents64.
As a relativly new ABI N32 should only have received the getdents64(2) but
instead it only had getdents(2). This was noticed as a performance anomaly
in glibc.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Bruno Randolf [Sun, 11 Jul 2010 15:40:28 +0000 (00:40 +0900)]
MIPS: MTX-1: Fix PCI on the MeshCube and related boards
This patch fixes a regression introduced by commit "MIPS: Alchemy: MTX-1:
Use linux gpio api." (
bb706b28bbd647c2fd7f22d6bf03a18b9552be05) which broke
PCI bus operation. The problem is caused by alchemy_gpio2_enable() which
resets the GPIO2 block. Two PCI signals (PCI_SERR and PCI_RST) are connected
to GPIO2 and they obviously do not to like the reset. Since GPIO2 is
correctly initialized by the boot monitor (YAMON) it is not necessary to
call this function, so just remove it.
Also replace gpio_set_value() with alchemy_gpio_set_value() to avoid
problems in case gpiolib gets initialized after PCI. And since alchemy
gpio_set_value() calls au_sync() we don't have to au_sync() again later.
Signed-off-by: Bruno Randolf <br1@einfach.org>
To: linux-mips@linux-mips.org
To: manuel.lauss@googlemail.com
Patchwork: https://patchwork.linux-mips.org/patch/1448/
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Wed, 16 Jun 2010 22:00:28 +0000 (15:00 -0700)]
MIPS: Make init_vdso a subsys_initcall.
Quoting from Jiri Slaby's patch of a similar nature for x86:
When initrd is in use and a driver does request_module() in its
module_init (i.e. __initcall or device_initcall), a modprobe
process is created with VDSO mapping. But VDSO is inited even in
__initcall, i.e. on the same level (at the same time), so it may
not be inited yet (link order matters).
Move init_vdso up to subsys_initcall to avoid the issue.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Patchwork: http://patchwork.linux-mips.org/patch/1386/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Wed, 16 Jun 2010 22:00:27 +0000 (15:00 -0700)]
MIPS: "Fix" useless 'init_vdso successfully' message.
In addition to being useless, it was mis-spelled.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1385/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David VomLehn [Fri, 18 Jun 2010 23:51:49 +0000 (16:51 -0700)]
MIPS: PowerTV: Move register setup to before reading registers.
The 4600 family code reads registers to differentiate between two ASIC
variants, but this was being done prior to the register setup. This moves
register setup before the reading code.
Signed-off-by: David VomLehn <dvomlehn@cisco.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1392/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 26 Jul 2010 18:08:15 +0000 (19:08 +0100)]
SOUND: Au1000: Fix section mismatch
WARNING: sound/soc/au1x/snd-soc-au1xpsc-i2s.o(.data+0xa8): Section mismatch in reference from the variable au1xpsc_i2s_driver to the function .init.text:au1xpsc_i2s_drvprobe()
The variable au1xpsc_i2s_driver references
the function __init au1xpsc_i2s_drvprobe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 26 Jul 2010 18:08:15 +0000 (19:08 +0100)]
VIDEO: Au1100fb: Fix section mismatch
WARNING: drivers/video/built-in.o(.data+0x360): Section mismatch in reference from the variable au1100fb_driver to the function .init.text:au1100fb_drv_probe()
The variable au1100fb_driver references
the function __init au1100fb_drv_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Fixing which triggers of a slew of further mismatches:
WARNING: drivers/video/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function au1100fb_drv_probe() to the variable .init.data:au1100fb_fix
The function __devinit au1100fb_drv_probe() references
a variable __initdata au1100fb_fix.
If au1100fb_fix is only used by au1100fb_drv_probe then
annotate au1100fb_fix with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x21c): Section mismatch in reference from the function au1100fb_drv_probe() to the variable .init.data:au1100fb_var
The function __devinit au1100fb_drv_probe() references
a variable __initdata au1100fb_var.
If au1100fb_var is only used by au1100fb_drv_probe then
annotate au1100fb_var with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
projects / profile / ivi / kernel-x86-ivi.git / log