GitHub/LineageOS/android_kernel_samsung_universal7580.git
14 years agofsnotify: provide the data type to should_send_event
Eric Paris [Fri, 18 Dec 2009 02:24:21 +0000 (21:24 -0500)]
fsnotify: provide the data type to should_send_event

fanotify is only interested in event types which contain enough information
to open the original file in the context of the fanotify listener.  Since
fanotify may not want to send events if that data isn't present we pass
the data type to the should_send_event function call so fanotify can express
its lack of interest.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoinotify: do not spam console without limit
Eric Paris [Wed, 23 Dec 2009 04:16:33 +0000 (23:16 -0500)]
inotify: do not spam console without limit

inotify was supposed to have a dmesg printk ratelimitor which would cause
inotify to only emit one message per boot.  The static bool was never set
so it kept firing messages.  This patch correctly limits warnings in multiple
places.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoinotify: remove inotify in kernel interface
Eric Paris [Fri, 18 Dec 2009 01:30:52 +0000 (20:30 -0500)]
inotify: remove inotify in kernel interface

nothing uses inotify in the kernel, drop it!

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoinotify: do not reuse watch descriptors
Eric Paris [Fri, 18 Dec 2009 01:27:10 +0000 (20:27 -0500)]
inotify: do not reuse watch descriptors

Prior to 2.6.31 inotify would not reuse watch descriptors until all of
them had been used at least once.  After the rewrite inotify would reuse
watch descriptors.  The selinux utility 'restorecond' was found to have
problems when watch descriptors were reused.  This patch reverts to the
pre inotify rewrite behavior to not reuse watch descriptors.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agofsnotify: use kmem_cache_zalloc to simplify event initialization
Eric Paris [Fri, 18 Dec 2009 01:12:07 +0000 (20:12 -0500)]
fsnotify: use kmem_cache_zalloc to simplify event initialization

fsnotify event initialization is done entry by entry with almost everything
set to either 0 or NULL.  Use kmem_cache_zalloc and only initialize things
that need non-zero initialization.  Also means we don't have to change
initialization entries based on the config options.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agofsnotify: kzalloc fsnotify groups
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
fsnotify: kzalloc fsnotify groups

Use kzalloc for fsnotify_groups so that none of the fields can leak any
information accidentally.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoinotify: use container_of instead of casting
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
inotify: use container_of instead of casting

inotify_free_mark casts directly from an fsnotify_mark_entry to an
inotify_inode_mark_entry.  This works, but should use container_of instead
for future proofing.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agofsnotify: use fsnotify_create_event to allocate the q_overflow event
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
fsnotify: use fsnotify_create_event to allocate the q_overflow event

Currently fsnotify defines a static fsnotify event which is sent when a
group overflows its allotted queue length.  This patch just allocates that
event from the event cache rather than defining it statically.  There is no
known reason that the current implementation is wrong, but this makes sure the
event is initialized and created like any other.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoAudit: audit watch init should not be before fsnotify init
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
Audit: audit watch init should not be before fsnotify init

Audit watch init and fsnotify init both use subsys_initcall() but since the
audit watch code is linked in before the fsnotify code the audit watch code
would be using the fsnotify srcu struct before it was initialized.  This
patch fixes that problem by moving audit watch init to device_initcall() so
it happens after fsnotify is ready.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Eric Paris <eparis@redhat.com>
Tested-by : Sachin Sant <sachinp@in.ibm.com>

14 years agoAudit: split audit watch Kconfig
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
Audit: split audit watch Kconfig

Audit watch should depend on CONFIG_AUDIT_SYSCALL and should select
FSNOTIFY.  This splits the spagetti like mixing of audit_watch and
audit_filter code so they can be configured seperately.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoAudit: audit watches depend on fsnotify
Eric Paris [Fri, 18 Dec 2009 01:12:06 +0000 (20:12 -0500)]
Audit: audit watches depend on fsnotify

CONFIG_AUDIT builds audit_watches which depend on fsnotify.  Make
CONFIG_AUDIT select fsnotify.

Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoaudit: reimplement audit_trees using fsnotify rather than inotify
Eric Paris [Fri, 18 Dec 2009 01:12:05 +0000 (20:12 -0500)]
audit: reimplement audit_trees using fsnotify rather than inotify

Simply switch audit_trees from using inotify to using fsnotify for it's
inode pinning and disappearing act information.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agofsnotify: allow addition of duplicate fsnotify marks
Eric Paris [Fri, 18 Dec 2009 01:12:05 +0000 (20:12 -0500)]
fsnotify: allow addition of duplicate fsnotify marks

This patch allows a task to add a second fsnotify mark to an inode for the
same group.  This mark will be added to the end of the inode's list and
this will never be found by the stand fsnotify_find_mark() function.   This
is useful if a user wants to add a new mark before removing the old one.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agofsnotify: duplicate fsnotify_mark_entry data between 2 marks
Eric Paris [Fri, 18 Dec 2009 01:12:05 +0000 (20:12 -0500)]
fsnotify: duplicate fsnotify_mark_entry data between 2 marks

Simple copy fsnotify information from one mark to another in preparation
for the second mark to replace the first.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoaudit: do not get and put just to free a watch
Eric Paris [Fri, 18 Dec 2009 01:12:05 +0000 (20:12 -0500)]
audit: do not get and put just to free a watch

deleting audit watch rules is not currently done under audit_filter_mutex.
It was done this way because we could not hold the mutex during inotify
manipulation.  Since we are using fsnotify we don't need to do the extra
get/put pair nor do we need the private list on which to store the parents
while they are about to be freed.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoaudit: redo audit watch locking and refcnt in light of fsnotify
Eric Paris [Fri, 18 Dec 2009 01:12:04 +0000 (20:12 -0500)]
audit: redo audit watch locking and refcnt in light of fsnotify

fsnotify can handle mutexes to be held across all fsnotify operations since
it deals strickly in spinlocks.  This can simplify and reduce some of the
audit_filter_mutex taking and dropping.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoaudit: convert audit watches to use fsnotify instead of inotify
Eric Paris [Fri, 18 Dec 2009 01:12:04 +0000 (20:12 -0500)]
audit: convert audit watches to use fsnotify instead of inotify

Audit currently uses inotify to pin inodes in core and to detect when
watched inodes are deleted or unmounted.  This patch uses fsnotify instead
of inotify.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoAudit: clean up the audit_watch split
Eric Paris [Fri, 18 Dec 2009 01:12:04 +0000 (20:12 -0500)]
Audit: clean up the audit_watch split

No real changes, just cleanup to the audit_watch split patch which we done
with minimal code changes for easy review.  Now fix interfaces to make
things work better.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoinotify: simplify the inotify idr handling
Eric Paris [Fri, 18 Dec 2009 01:12:04 +0000 (20:12 -0500)]
inotify: simplify the inotify idr handling

This patch moves all of the idr editing operations into their own idr
functions.  It makes it easier to prove locking correctness and to to
understand the code flow.

Signed-off-by: Eric Paris <eparis@redhat.com>
14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh...
Linus Torvalds [Tue, 27 Jul 2010 21:32:59 +0000 (14:32 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ericvh/v9fs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: Pass the correct end of buffer to p9stat_read

14 years agogpio: fix spurious printk when freeing a gpio
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>
14 years agoedac: mpc85xx: fix coldplug/hotplug module autoloading
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>
14 years agodrivers/rtc/rtc-rx8581.c: fix setdatetime
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>
14 years agodynamic debug: move ddebug_remove_module() down into free_module()
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>
14 years ago9p: Pass the correct end of buffer to p9stat_read
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>
14 years agoMerge branch 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/perf
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

14 years agoMerge git://git.infradead.org/users/cbou/battery-2.6.35
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

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
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

14 years agoperf, powerpc: Use perf_sample_data_init() for the FSL code
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>
14 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
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

14 years agos2io: fixing DBG_PRINT() macro
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>
14 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
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)"

14 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
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.

14 years agodrm/i915: make sure we shut off the panel in eDP configs
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>
14 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
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

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-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

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
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

14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
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

14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt...
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

14 years ago[CPUFREQ] powernow-k8: Limit Pstate transition latency check
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>
14 years ago[CPUFREQ] Fix PCC driver error path
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>
14 years ago[CPUFREQ] fix double freeing in error path of pcc-cpufreq
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>
14 years ago[CPUFREQ] pcc driver should check for pcch method before calling _OSC
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>
14 years ago[CPUFREQ] fix memory leak in cpufreq_add_dev
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>
14 years ago[CPUFREQ] revert "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second...
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>
14 years agosysfs: allow creating symlinks from untagged to tagged directories
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>
14 years agosysfs: sysfs_delete_link handle symlinks from untagged to tagged directories.
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>
14 years agosysfs: Don't allow the creation of symlinks we can't remove
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>
14 years agoUSB: musb: tusb6010: fix compile error with n8x0_defconfig
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>
14 years agoUSB: FTDI: Add support for the RT System VX-7 radio programming cable
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>
14 years agoUSB: add quirk for Broadcom BT dongle
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>
14 years agoUSB: usb-storage: fix initializations of urb fields
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>
14 years agoUSB: xhci: Set Mult field in endpoint context correctly.
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>
14 years agoUSB: sisusbvga: Fix for USB 3.0
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>
14 years agoUSB: adds Artisman USB dongle to list of quirky devices
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>
14 years agoUSB: xhci: Set EP0 dequeue ptr after reset of configured device.
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>
14 years agoUSB: Fix USB3.0 Port Speed Downgrade after port reset
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>
14 years agoUSB: xHCI: Fix another bug in link TRB activation change.
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>
14 years agoUSB: option: Add support for AMOI Skypephone S2
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>
14 years agoUSB: New PIDs for Qualcomm gobi 2000 (qcserial)
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>
14 years agoUSB: ftdi_sio: support for Signalyzer tools based on FTDI chips
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>
14 years agoUSB: s3c2410_udc: be aware of connected gadget driver
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>
14 years agoUSB: Expose vendor-specific ACM channel on Nokia 5230
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>
14 years agoUSB: Add PID for Sierra 250U to drivers/usb/serial/sierra.c
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>
14 years agoUSB: option: add support for 1da5:4518
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>
14 years agodrm/i915: add pipe A force quirks to i915 driver
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>
14 years agodrm/i915: Fix panel fitting regression since 734b4157
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>
14 years agoserial: fix rs485 for atmel_serial on avr32
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>
14 years agoath9k: fix dma direction for map/unmap in ath_rx_tasklet
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>
14 years agodrm/i915: fix deadlock in fb teardown
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>
14 years agodrm/i915: don't free non-existent compressed llb on ILK+
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>
14 years agoagp/intel: Use the correct mask to detect i830 aperture size.
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>
14 years agodrm/i915: disable FBC when more than one pipe is active
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>
14 years agodrm/i915: Use the correct scanout alignment for fbcon.
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>
14 years agodrm/i915: make sure eDP panel is turned on
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>
14 years agodrm/i915: add PANEL_UNLOCK_REGS definition
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>
14 years agodrm/i915: Make G4X-style PLL search more permissive
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>
14 years agoMIPS: Set io_map_base for several PCI bridges lacking it
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>
14 years agoMIPS: Alchemy: Define eth platform devices in the correct order
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>
14 years agoMIPS: BCM63xx: Prevent second enet registration on BCM6338
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>
14 years agoMIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
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>
14 years agoMIPS: N32: Define getdents64.
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>
14 years agoMIPS: MTX-1: Fix PCI on the MeshCube and related boards
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>
14 years agoMIPS: Make init_vdso a subsys_initcall.
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>
14 years agoMIPS: "Fix" useless 'init_vdso successfully' message.
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>
14 years agoMIPS: PowerTV: Move register setup to before reading registers.
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>
14 years agoSOUND: Au1000: Fix section mismatch
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>
14 years agoVIDEO: Au1100fb: Fix section mismatch
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>
14 years agoVIDEO: PMAGB-B: Fix section mismatch
Ralf Baechle [Mon, 26 Jul 2010 18:08:15 +0000 (19:08 +0100)]
VIDEO: PMAGB-B: Fix section mismatch

WARNING: drivers/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_fix
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_fix.
If pmagbafb_fix is only used by pmagbafb_probe then
annotate pmagbafb_fix with a matching annotation.

Fixing this one triggers a few more mismatches in order:

WARNING: drivers/video/built-in.o(.devinit.text+0x414): Section mismatch in reference from the function pmagbbfb_probe() to the variable .init.data:pmagbbfb_fix
The function __devinit pmagbbfb_probe() references
a variable __initdata pmagbbfb_fix.
If pmagbbfb_fix is only used by pmagbbfb_probe then
annotate pmagbbfb_fix with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x45c): Section mismatch in reference from the function pmagbbfb_probe() to the variable .init.data:pmagbbfb_defined
The function __devinit pmagbbfb_probe() references
a variable __initdata pmagbbfb_defined.
If pmagbbfb_defined is only used by pmagbbfb_probe then
annotate pmagbbfb_defined with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x5fc): Section mismatch in reference from the function pmagbbfb_probe() to the function .init.text:pmagbbfb_screen_setup()
The function __devinit pmagbbfb_probe() references
a function __init pmagbbfb_screen_setup().
If pmagbbfb_screen_setup is only used by pmagbbfb_probe then
annotate pmagbbfb_screen_setup with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x6f4): Section mismatch in reference from the function pmagbbfb_probe() to the function .init.text:pmagbbfb_osc_setup()
The function __devinit pmagbbfb_probe() references
a function __init pmagbbfb_osc_setup().
If pmagbbfb_osc_setup is only used by pmagbbfb_probe then
annotate pmagbbfb_osc_setup with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x5f8): Section mismatch in reference from the function pmagbbfb_osc_setup() to the variable .init.data:pmagbbfb_freqs.15993
The function __devinit pmagbbfb_osc_setup() references
a variable __initdata pmagbbfb_freqs.15993.
If pmagbbfb_freqs.15993 is only used by pmagbbfb_osc_setup then
annotate pmagbbfb_freqs.15993 with a matching annotation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
14 years agoVIDEO: PMAG-BA: Fix section mismatch
Ralf Baechle [Mon, 26 Jul 2010 18:08:14 +0000 (19:08 +0100)]
VIDEO: PMAG-BA: Fix section mismatch

WARNING: drivers/video/built-in.o(.data+0x1e0): Section mismatch in reference fr
om the variable pmagbafb_driver to the function .init.text:pmagbafb_probe()
The variable pmagbafb_driver references
the function __init pmagbafb_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 this one triggers 2 more:

WARNING: drivers/video/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_fix
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_fix.
If pmagbafb_fix is only used by pmagbafb_probe then
annotate pmagbafb_fix with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x108): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_defined
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_defined.
If pmagbafb_defined is only used by pmagbafb_probe then
annotate pmagbafb_defined with a matching annotation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
14 years agoNET: declance: Fix section mismatches
Ralf Baechle [Mon, 26 Jul 2010 18:08:14 +0000 (19:08 +0100)]
NET: declance: Fix section mismatches

WARNING: drivers/net/built-in.o(.data+0x24): Section mismatch in reference from
the variable dec_lance_tc_driver to the function .init.text:dec_lance_tc_probe()
The variable dec_lance_tc_driver references
the function __init dec_lance_tc_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 this one results in a new mismatch:

WARNING: drivers/net/built-in.o(.devinit.text+0x14): Section mismatch in reference from the function dec_lance_tc_probe() to the function .init.text:dec_lance_probe()
The function __devinit dec_lance_tc_probe() references
a function __init dec_lance_probe().
If dec_lance_probe is only used by dec_lance_tc_probe then
annotate dec_lance_probe with a matching annotation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
14 years agoVIDEO. gbefb: Fix section mismatches.
Ralf Baechle [Mon, 26 Jul 2010 18:08:13 +0000 (19:08 +0100)]
VIDEO. gbefb: Fix section mismatches.

WARNING: drivers/video/built-in.o(.devinit.text+0x54): Section mismatch in reference from the function gbefb_probe() to the function .init.text:gbefb_setup()
The function __devinit gbefb_probe() references
a function __init gbefb_setup().
If gbefb_setup is only used by gbefb_probe then
annotate gbefb_setup with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x208): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:mode_option
The function __devinit gbefb_probe() references
a variable __initdata mode_option.
If mode_option is only used by gbefb_probe then
annotate mode_option with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x214): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:default_mode
The function __devinit gbefb_probe() references
a variable __initdata default_mode.
If default_mode is only used by gbefb_probe then
annotate default_mode with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x23c): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:default_var
The function __devinit gbefb_probe() references
a variable __initdata default_var.
If default_var is only used by gbefb_probe then
annotate default_var with a matching annotation.

Fixing these results in more mismatches:

WARNING: drivers/video/built-in.o(.devinit.text+0x3c): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_var_LCD
The function __devinit gbefb_setup() references
a variable __initdata default_var_LCD.
If default_var_LCD is only used by gbefb_setup then
annotate default_var_LCD with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x14c): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_mode_LCD
The function __devinit gbefb_setup() references
a variable __initdata default_mode_LCD.
If default_mode_LCD is only used by gbefb_setup then
annotate default_mode_LCD with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x150): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_var_CRT
The function __devinit gbefb_setup() references
a variable __initdata default_var_CRT.
If default_var_CRT is only used by gbefb_setup then
annotate default_var_CRT with a matching annotation.

WARNING: drivers/video/built-in.o(.devinit.text+0x154): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_mode_CRT
The function __devinit gbefb_setup() references
a variable __initdata default_mode_CRT.
If default_mode_CRT is only used by gbefb_setup then
annotate default_mode_CRT with a matching annotation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
14 years agodrm/i915: Clear any existing dither mode prior to enabling spatial dithering
Chris Wilson [Sun, 25 Jul 2010 22:09:13 +0000 (23:09 +0100)]
drm/i915: Clear any existing dither mode prior to enabling spatial dithering

We cannot the initial configuration set by the BIOS not to have a dither
mode enabled which conflicts with our enabling the Spatial Temporal 1
dither mode for PCH. In particular, the BIOS may either enable temporal
dithering or the Spatial Temporal 2 with the result that we enable pure
temporal dithering. Temporal dithering looks bad and is perceived as a
flicker.

Fixes:

  Bug 29248 - [Arrandale] Annoying flicker on internal panel, goes away
              after suspend to RAM
  https://bugs.freedesktop.org/show_bug.cgi?id=29248

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agodrm/i915: handle shared framebuffers when flipping
Jesse Barnes [Fri, 23 Jul 2010 19:03:37 +0000 (12:03 -0700)]
drm/i915: handle shared framebuffers when flipping

If a framebuffer is shared across CRTCs, the x,y position of one of them
is likely to be something other than the origin (e.g. for extended
desktop configs).  So calculate the offset at flip time so such
configurations can work.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28518.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Thomas M. <tmezzadra@gmail.com>
Tested-by: fangxun <xunx.fang@intel.com>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
14 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Mon, 26 Jul 2010 15:20:38 +0000 (08:20 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6265/1: kirkwood: move qnap_tsx1x_register_flash() to .init.text
  ARM: 6263/1: ns9xxx: fix FTBFS for zImage
  ARM: 6262/1: arm/clps711x: fix debug macro compilation failure
  ARM: 6261/1: arm/shark: fix debug macro compilation failure
  ARM: 6260/1: arm/plat-spear: fix debug macro compilation failure
  ARM: 6259/1: arm/ns9xxx: fix debug macro compilation failure
  ARM: 6258/1: arm/h720x: fix debug macro compilation failure
  ARM: 6233/1: Delete a wrong redundant right parenthesis
  ARM: 6230/1: fix nuc900 touchscreen clk definition bug
  [ARM] pxa: fix incorrect CONFIG_CPU_PXA27x to CONFIG_PXA27x
  [ARM] pxa/colibri-pxa300: fix AC97 init
  [ARM] pxa: fix incorrect order of AC97 reset pin configs
  [ARM] pxa: fix frequency scaling for pcmcia/pxa2xx_base
  [ARM] pxa: cpufreq-pxa2xx: fix DRI recomputation routine
  [ARM] pxa/corgi: fix MMC/SD card detection failure

14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Mon, 26 Jul 2010 15:20:16 +0000 (08:20 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  tpm_tis: fix subsequent suspend failures

14 years agoMerge branch 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Mon, 26 Jul 2010 15:18:18 +0000 (08:18 -0700)]
Merge branch 'kvm-updates/2.6.35' of git://git./virt/kvm/kvm

* 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: Use kmalloc() instead of vmalloc() for KVM_[GS]ET_MSR
  KVM: MMU: fix conflict access permissions in direct sp

14 years agoquiesce EDAC initialisation on desktop/mobile i7
Daniel J Blueman [Fri, 23 Jul 2010 22:16:52 +0000 (23:16 +0100)]
quiesce EDAC initialisation on desktop/mobile i7

Don't print failure to detect Core i7 EDAC facilities to the console at
boot time, most often occurring on Core i7 desktops and laptops.

Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
Linus Torvalds [Mon, 26 Jul 2010 15:10:00 +0000 (08:10 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI / Sleep: Allow the NVS saving to be skipped during suspend to RAM
  ACPI: create "processor.bm_check_disable" boot param
  ACPI: skip checking BM_STS if the BIOS doesn't ask for it
  ACPI: fix unused function warning
  ACPI: processor: fix processor_physically_present on UP
  ACPI video: fix string mismatch for Sony SR290 laptop
  ACPI battery: don't invoke power_supply_changed twice when battery is hot-added
  ACPI: handle systems which asynchoronously enable ACPI mode

14 years agoDriver-core: Always create class directories for classses that support namespaces.
Eric W. Biederman [Sun, 25 Jul 2010 05:43:35 +0000 (22:43 -0700)]
Driver-core: Always create class directories for classses that support namespaces.

This fixes the regression in 2.6.35-rcX where bluetooth network devices
would fail to be deleted from sysfs, causing their destruction and
recreation to fail.  In addition this fixes the mac80211_hwsim driver
where it would leave around sysfs files when the driver was removed.

This problem is discussed at
  https://bugzilla.kernel.org/show_bug.cgi?id=16257

The reason for the regression is that the network namespace support
added to sysfs expects and requires that network devices be put in
directories that can contain only network devices.

Today get_device_parent almost provides that guarantee for all class
devices, except for a specific exception when the parent of a class
devices is a class device.  It would be nice to simply remove that
arguably incorrect special case, but apparently the input devices depend
on it being there.  So I have only removed it for class devices with
network namespace support.  Which today are the network devices.

It has been suggested that a better fix would be to change the parent
device from a class device to a bus device, which in the case of the
bluetooth driver would change /sys/class/bluetooth to /sys/bus/bluetoth,
I can not see how we would avoid significant userspace breakage if we
were to make that change.

Adding an extra directory in the path to the device will also be
userspace visible but it is much less likely to break things.
Everything is still accessible from /sys/class (for example), and it
fixes two bugs.  Adding an extra directory fixes a 3 year old regression
introduced with the new sysfs layout that makes it impossible to rename
bnep0 network devices to names that conflict with hci device attributes
like hci_revsion.  Adding an additional directory removes the new
failure modes introduced by the network namespace code.

If it weren't for the regession in the renaming of network devices I
would figure out how to just make the sysfs code deal with this
configuration of devices.

In summary this patch fixes regressions by changing:
"/sys/class/bluetooth/hci0/bnep0" to "/sys/class/bluetooth/hci0/net/bnep0".

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>