Commit Graph

189998 Commits

Author SHA1 Message Date
Jesse Barnes
20bf377e67 drm/i915: cleanup FBC buffers at unload time
This keeps the memory manager from complaining when we take it down.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-22 13:19:05 -07:00
Daniel Vetter
c36a2a6de5 drm/i915: fix tiling limits for i915 class hw v2
Current code is definitely crap: Largest pitch allowed spills into
the TILING_Y bit of the fence registers ... :(

I've rewritten the limits check under the assumption that 3rd gen hw
has a 3d pitch limit of 8kb (like 2nd gen). This is supported by an
otherwise totally misleading XXX comment.

This bug mostly resulted in tiling-corrupted pixmaps because the kernel
allowed too wide buffers to be tiled. Bug brought to the light by the
xf86-video-intel 2.11 release because that unconditionally enabled
tiling for pixmaps, relying on the kernel to check things. Tiling for
the framebuffer was not affected because the ddx does some additional
checks there ensure the buffer is within hw-limits.

v2: Instead of computing the value that would be written into the
hw fence registers and then checking the limits simply check whether
the stride is above the 8kb limit. To better document the hw, add
some WARN_ONs in i915_write_fence_reg like I've done for the i830
case (using the right limits).

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=27449
Tested-by: Alexander Lam <lambchop468@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-18 17:58:24 -07:00
Zhang Rui
3143751ff5 drm/i915: set DIDL using the ACPI video output device _ADR method return.
we used to set the DIDL in the output device detected order.
But some BIOSes requires it to be initialized in the ACPI device order.
e.g. the value of the first field in DIDL stands for the first
ACPI video output device in ACPI namespace.

Now we initialize the DIDL using the device id, i.e. _ADR return value,
of each ACPI video device, if it is not 0.
https://bugzilla.kernel.org/show_bug.cgi?id=15054

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-18 17:05:13 -07:00
Adam Jackson
5ce8ba7c92 drm/i915: Fix 82854 PCI ID, and treat it like other 85X
pci.ids and the datasheet both say it's 358e, not 35e8.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-18 16:56:46 -07:00
Adam Jackson
8f4695ed1c drm/i915: Attempt to fix watermark setup on 85x (v2)
IS_MOBILE() catches 85x, so we'd always try to use the 9xx FIFO sizing;
since there's an explicit 85x version, this seems wrong.

v2: Handle 830m correctly too.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-04-18 16:52:56 -07:00
Linus Torvalds
13bd8e4673 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
  drm/i915: Ignore LVDS EDID when it is unavailabe or invalid
  drm/i915: Add no_lvds entry for the Clientron U800
  drm/i915: Rename many remaining uses of "output" to encoder or connector.
  drm/i915: Rename intel_output to intel_encoder.
  agp/intel: intel_845_driver is an agp driver!
  drm/i915: introduce to_intel_bo helper
  drm/i915: Disable FBC on 915GM and 945GM.
2010-04-17 14:28:50 -07:00
Linus Torvalds
d6f533c8c7 Merge branch 'release' of git://git.kernel.org/pub/scm/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: EC: Limit burst to 64 bits
2010-04-17 10:58:38 -07:00
Linus Torvalds
65832940eb Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: don't warn on EAGAIN in inode reclaim
  xfs: ensure that sync updates the log tail correctly
2010-04-17 10:57:56 -07:00
Len Brown
bc3966921f Merge branch 'bugzilla-15749' into release 2010-04-16 16:08:07 -04:00
Alexey Starikovskiy
2060c44576 ACPI: EC: Limit burst to 64 bits
access_bit_width field is u8 in ACPICA, thus 256 value written to it
becomes 0, causing divide by zero later.

Proper fix would be to remove access_bit_width at all, just because
we already have access_byte_width, which is access_bit_width / 8.
Limit access width to 64 bit for now.

https://bugzilla.kernel.org/show_bug.cgi?id=15749
fixes regression caused by the fix for:
https://bugzilla.kernel.org/show_bug.cgi?id=14667

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
2010-04-16 15:36:54 -04:00
Dave Chinner
f1d486a361 xfs: don't warn on EAGAIN in inode reclaim
Any inode reclaim flush that returns EAGAIN will result in the inode
reclaim being attempted again later. There is no need to issue a
warning into the logs about this situation.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
2010-04-16 13:51:44 -05:00
Dave Chinner
b6f8dd49db xfs: ensure that sync updates the log tail correctly
Updates to the VFS layer removed an extra ->sync_fs call into the
filesystem during the sync process (from the quota code).
Unfortunately the sync code was unknowingly relying on this call to
make sure metadata buffers were flushed via a xfs_buftarg_flush()
call to move the tail of the log forward in memory before the final
transactions of the sync process were issued.

As a result, the old code would write a very recent log tail value
to the log by the end of the sync process, and so a subsequent crash
would leave nothing for log recovery to do. Hence in qa test 182,
log recovery only replayed a small handle for inode fsync
transactions in this case.

However, with the removal of the extra ->sync_fs call, the log tail
was now not moved forward with the inode fsync transactions near the
end of the sync procese the first (and only) buftarg flush occurred
after these transactions went to disk. The result is that log
recovery now sees a large number of transactions for metadata that
is already on disk.

This usually isn't a problem, but when the transactions include
inode chunk allocation, the inode create transactions and all
subsequent changes are replayed as we cannt rely on what is on disk
is valid. As a result, if the inode was written and contains
unlogged changes, the unlogged changes are lost, thereby violating
sync semantics.

The fix is to always issue a transaction after the buftarg flush
occurs is the log iѕ not idle or covered. This results in a dummy
transaction being written that contains the up-to-date log tail
value, which will be very recent. Indeed, it will be at least as
recent as the old code would have left on disk, so log recovery
will behave exactly as it used to in this situation.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
2010-04-16 13:51:23 -05:00
Linus Torvalds
1c1ec9c03e Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  [WATCHDOG] max63xx driver depends on ioremap()
  [WATCHDOG] max63xx: be careful when disabling the watchdog
  [WATCHDOG] fixed book E watchdog period register mask.
  [WATCHDOG] omap4: Fix WDT Kconfig
2010-04-16 07:26:31 -07:00
Linus Torvalds
1f829825f2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ASoC: imx-ssi: do not call hrtimer_disable in trigger function
  ALSA: hda - Add position_fix quirk for Biostar mobo
  ALSA: hda - add a quirk for Clevo M570U laptop
  ASoC: imx-ssi: increase minimum periods to 4
  ALSA: hda - Avoid invalid "Independent HP" control for VIA codecs
  ALSA: hda - Fix control element allocations in VIA codec parser
  ALSA: aaci - Fix alignment faults on ARM Cortex introduced by commit 29a4f2d3
  ALSA: hda - Add fix-up for Sony VAIO with ALC269
  ALSA: hda - Enhance fix-up table for Realtek codecs
  ALSA: usb - Fix Oops after usb-midi disconnection
  ALSA: hda - Fix initial capture source connections of ALC880/260
  ALSA: hda - Fix setup for ALC269vb amic and dmic models
  ALSA: hda - Fix auto-parser of ALC269vb for HP pin NID 0x21
  ASoC: imx-ssi: Use a hrtimer in FIQ mode
  ASoC: imx-pcm-dma-mx2: restart DMA after an error
  ASoC: imx-ssi: honor IMX_SSI_DMA flag
  ASoC: wm2000: remove unused #include <linux/version.h>
  ALSA: hda: Add support for Medion WIM2160
2010-04-16 07:25:48 -07:00
Geert Uytterhoeven
aebaec975f [WATCHDOG] max63xx driver depends on ioremap()
Correct fix for the "ioremap() causes build failure on S390" should have been
a dependancy on HAS_IOMEM. So we add this dependancy also (and leave the driver
in the ARM section for now).

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16 12:26:32 +00:00
Marc Zyngier
b1183e064a [WATCHDOG] max63xx: be careful when disabling the watchdog
When shutting down the watchdog timer, special care must be taken
not to overwrite other bits in the register, as it may be shared
with other peripherals.

For example, on the Arcom Vulcan, the register is shared between
the watchdog and the PCI reset line...

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16 12:26:27 +00:00
Luuk Paulussen
0fb06571bb [WATCHDOG] fixed book E watchdog period register mask.
A previous fix changed the WDTP function to use the period directly,
rather than subtracting from 63.  However the mask generation was
not changed, so the mask was coming out as 0.  This patch fixes it.

Signed-off-by: Luuk Paulussen <luuk.paulussen@alliedtelesis.co.nz>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16 12:23:04 +00:00
Santosh Shilimkar
77165a48ed [WATCHDOG] omap4: Fix WDT Kconfig
This patch allows Watchdog timer to be selected for OMAP4 by fixing
Kconfig entry

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16 12:22:55 +00:00
Takashi Iwai
923125c650 Merge branch 'fix/hda' into for-linus 2010-04-16 10:03:48 +02:00
Takashi Iwai
872d65f674 Merge branch 'fix/misc' into for-linus 2010-04-16 10:03:42 +02:00
Takashi Iwai
d336905e00 Merge branch 'fix/asoc' into for-linus 2010-04-16 10:03:36 +02:00
Linus Torvalds
dc57da3875 Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/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/gart: Disable GART explicitly before initialization
  dma-debug: Cleanup for copy-loop in filter_write()
  x86/amd-iommu: Remove obsolete parameter documentation
  x86/amd-iommu: use for_each_pci_dev
  Revert "x86: disable IOMMUs on kernel crash"
  x86/amd-iommu: warn when issuing command to uninitialized cmd buffer
  x86/amd-iommu: enable iommu before attaching devices
  x86/amd-iommu: Use helper function to destroy domain
  x86/amd-iommu: Report errors in acpi parsing functions upstream
  x86/amd-iommu: Pt mode fix for domain_destroy
  x86/amd-iommu: Protect IOMMU-API map/unmap path
  x86/amd-iommu: Remove double NULL check in check_device
2010-04-15 12:20:56 -07:00
Linus Torvalds
2fed94c032 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: cdev: change license of exported header files to MIT license
  firewire: cdev: comment fixlet
  firewire: cdev: iso packet documentation
  firewire: cdev: fix information leak
  firewire: cdev: require quadlet-aligned headers for transmit packets
  firewire: cdev: disallow receive packets without header
2010-04-15 11:56:20 -07:00
Linus Torvalds
00eef7bd01 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - switch mode upon system resume
  Revert "Input: wacom - merge out and in prox events"
  Input: matrix_keypad - allow platform to disable key autorepeat
  Input: ALPS - add signature for HP Pavilion dm3 laptops
  Input: i8042 - spelling fix
  Input: sparse-keymap - implement safer freeing of the keymap
  Input: update the status of the Multitouch X driver project
  Input: clarify the no-finger event in multitouch protocol
  Input: bcm5974 - retract efi-broken suspend_resume
  Input: sparse-keymap - free the right keymap on error
2010-04-15 11:49:55 -07:00
Ping Cheng
014f61504a Input: wacom - switch mode upon system resume
When Wacom devices wake up from a sleep, the switch mode command
(wacom_query_tablet_data) is needed before wacom_open is called.
wacom_query_tablet_data should not be executed inside wacom_open
since wacom_open is called more than once during probe.

wacom_retrieve_hid_descriptor is removed from wacom_resume due
to the fact that the required descriptors are stored properly
upon system resume.

Reported-and-tested-by: Anton Anikin <Anton@Anikin.name>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-04-15 11:16:10 -07:00
Sascha Hauer
8392609969 ASoC: imx-ssi: do not call hrtimer_disable in trigger function
Doing so causes a deadlock, so just signal the timer to stop
using an atomic variable.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-04-16 01:02:35 +09:00
Stefan Richter
19b3eecc21 firewire: cdev: change license of exported header files to MIT license
Among else, this allows projects like libdc1394 to carry copies of the
ABI related header files without them or distributors having to worry
about effects on the project's overall license terms.  Switch to MIT
license as suggested by Kristian.  Also update the year in the
copyright statement according to source history.

Cc: Jay Fenlason <fenlason@redhat.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
2010-04-15 17:50:49 +02:00
Takashi Iwai
8815cd030f ALSA: hda - Add position_fix quirk for Biostar mobo
The Biostar mobo seems to give a wrong DMA position, resulting in
stuttering or skipping sounds on 2.6.34.  Since the commit
7b3a177b0d, "ALSA: pcm_lib: fix "something
must be really wrong" condition", makes the position check more strictly,
the DMA position problem is revealed more clearly now.

The fix is to use only LPIB for obtaining the position, i.e. passing
position_fix=1.  This patch adds a static quirk to achieve it as default.

Reported-by: Frank Griffin <ftg@roadrunner.com>
Cc: Eric Piel <Eric.Piel@tremplin-utc.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-15 09:02:41 +02:00
Joerg Schirottke
d1501ea844 ALSA: hda - add a quirk for Clevo M570U laptop
Added the matching model for Clevo laptop M570U.

Signed-off-by: Joerg Schirottke <master@kanotix.com>
Tested-by: Maximilian Gerhard <maxbox@directbox.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-15 08:37:41 +02:00
Linus Torvalds
250541fca7 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/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:
  SELinux: Reduce max avtab size to avoid page allocation failures
2010-04-14 18:46:03 -07:00
Linus Torvalds
96e35b40c0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: use separate class for ceph sockets' sk_lock
  ceph: reserve one more caps space when doing readdir
  ceph: queue_cap_snap should always queue dirty context
  ceph: fix dentry reference leak in dcache readdir
  ceph: decode v5 of osdmap (pool names) [protocol change]
  ceph: fix ack counter reset on connection reset
  ceph: fix leaked inode ref due to snap metadata writeback race
  ceph: fix snap context reference leaks
  ceph: allow writeback of snapped pages older than 'oldest' snapc
  ceph: fix dentry rehashing on virtual .snap dir
2010-04-14 18:45:31 -07:00
Linus Torvalds
f5c07a2d8a Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (applesmc) Switch maintainers
  hwmon: (applesmc) Add iMac9,1 and MacBookPro2,2 support
  hwmon: (it87) Invalidate cache on temperature sensor change
  hwmon: (it87) Properly handle wrong sensor type requests
  hwmon: (it87) Don't arbitrarily enable temperature channels
  hwmon: (sht15) Properly handle the case CONFIG_REGULATOR=n
  hwmon: (sht15) Fix sht15_calc_temp interpolation function
2010-04-14 18:45:14 -07:00
Linus Torvalds
7223b91542 Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  lguest: stop using KVM hypercall mechanism
  lguest: workaround cmpxchg8b_emu by ignoring cli in the guest.
2010-04-14 18:44:29 -07:00
Linus Torvalds
d471a4b9f2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Fix asm constraints for atomic_sub_and_test() and atomic_add_negative()
  m68k: Fix `struct sigcontext' for ColdFire
2010-04-14 18:44:00 -07:00
Sascha Hauer
565a79f74a ASoC: imx-ssi: increase minimum periods to 4
Currently the notification of elapsed periods is not very exact.
Increase minimum periods to 4 as suggested by Liam Girdwood.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-04-15 10:29:49 +09:00
Stephen Smalley
6c9ff1013b SELinux: Reduce max avtab size to avoid page allocation failures
Reduce MAX_AVTAB_HASH_BITS so that the avtab allocation is an order 2
allocation rather than an order 4 allocation on x86_64.  This
addresses reports of page allocation failures:
http://marc.info/?l=selinux&m=126757230625867&w=2
https://bugzilla.redhat.com/show_bug.cgi?id=570433

Reported-by:  Russell Coker <russell@coker.com.au>
Signed-off-by:  Stephen D. Smalley <sds@tycho.nsa.gov>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
2010-04-15 09:26:01 +10:00
Geert Uytterhoeven
b560177f3e m68k: Fix asm constraints for atomic_sub_and_test() and atomic_add_negative()
Recently, we started seeing this on allmodconfig builds:

  CC      mm/memcontrol.o
{standard input}: Assembler messages:
{standard input}:4076: Error: operands mismatch -- statement `subl 12(%fp),170(%a0)' ignored

Correct the asm constraint, like done for m68knommu.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-04-14 19:45:37 +02:00
Maxim Kuvyrkov
1aac4effad m68k: Fix `struct sigcontext' for ColdFire
LibSegFault uses piggybacks sc_fpstate field of the `struct sigcontext'
and this patch avoids LibSegFault overflowing this field.  Also this
removes an unnecessary divergence from classic m68k.

Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-04-14 19:45:37 +02:00
Joe Perches
4e310fda91 vsprintf: Change struct printf_spec.precision from s8 to s16
Commit ef0658f3de changed precision
from int to s8.

There is existing kernel code that uses a larger precision.

An example from the audit code:
	vsnprintf(...,..., " msg='%.1024s'", (char *)data);
which overflows precision and truncates to nothing.

Extending precision size fixes the audit system issue.

Other changes:

Change the size of the struct printf_spec.type from u16 to u8 so
sizeof(struct printf_spec) stays as small as possible.
Reorder the struct members so sizeof(struct printf_spec) remains 64 bits
without alignment holes.
Document the struct members a bit more.

Original-patch-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-14 10:32:35 -07:00
Henrik Rydberg
d618540fb3 hwmon: (applesmc) Switch maintainers
Nicolas has expressed a wish to be relieved from the maintenance
of applesmc, so we simply switch maintainer with this patch.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Nicolas Boichat <nicolas@boichat.ch>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14 16:14:11 +02:00
Justin P. Mattock
e1741712e8 hwmon: (applesmc) Add iMac9,1 and MacBookPro2,2 support
Add the iMac9,1 and the MacBookPro2,2 temperature sensors to hwmon
driver applesmc to fix kernel bug #14429:
https://bugzilla.kernel.org/show_bug.cgi?id=14429

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: Nicolas Boichat <nicolas@boichat.ch>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14 16:14:10 +02:00
Jean Delvare
2b3d1d87ea hwmon: (it87) Invalidate cache on temperature sensor change
When any temperature sensor type is changed, the corresponding
temperature value needs to be updated. The register caching mechanism
may delay this update, so we want to invalidate the cache to force an
immediate update.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14 16:14:10 +02:00
Jean Delvare
8acf07c5a7 hwmon: (it87) Properly handle wrong sensor type requests
Currently, if someone tries to set the thermal sensor type to an
unsupported value, subsequent accesses to the chip may temporarily
show the sensor in question as disabled. Use a temporary variable
and only update the cached value on success, to prevent such
confusion.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14 16:14:09 +02:00
Jean Delvare
a00afb97e2 hwmon: (it87) Don't arbitrarily enable temperature channels
Temperature channels can be used in 2 different modes (thermistor and
thermal diode) and we don't know which one, if any, is correct for
every given board. So don't arbitrarily choose one. Instead, leave the
temperature channels untouched. They can be configured from user-space
if needed anyway.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14 16:14:09 +02:00
Jean Delvare
c7a78d2c2e hwmon: (sht15) Properly handle the case CONFIG_REGULATOR=n
When CONFIG_REGULATOR isn't set, regulator_get_voltage() returns 0.
Properly handle this case by not trusting the value.

Reported-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
2010-04-14 16:14:08 +02:00
Jerome Oufella
328a2c22ab hwmon: (sht15) Fix sht15_calc_temp interpolation function
I discovered two issues.
First the previous sht15_calc_temp() loop did not iterate through the
temppoints array since the (data->supply_uV > temppoints[i - 1].vdd)
test is always true in this direction.

Also the two-points linear interpolation function was returning biased
values due to a stray division by 1000 which shouldn't be there.

[JD: Also change the default value for d1 from 0 to something saner.]

Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
2010-04-14 16:14:07 +02:00
Takashi Iwai
3d83e577a8 ALSA: hda - Avoid invalid "Independent HP" control for VIA codecs
Some VIA codecs have no multiple source selection for headphone pins,
thus it's useless (and wrong) to create "Independent HP" control on them.

This patch adds the check of connections to skip the control in such a
case.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-14 14:36:23 +02:00
Takashi Iwai
b331439dfd ALSA: hda - Fix control element allocations in VIA codec parser
The commit 5b0cb1d850
    ALSA: hda - add more NID->Control mapping
breaks the control element allocation by returning a wrong value.
Let's fix it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-04-14 14:35:11 +02:00
Rusty Russell
091ebf07a2 lguest: stop using KVM hypercall mechanism
This is a partial revert of 4cd8b5e2a1 "lguest: use KVM hypercalls";
we revert to using (just as questionable but more reliable) int $15 for
hypercalls.  I didn't revert the register mapping, so we still use the
same calling convention as kvm.

KVM in more recent incarnations stopped injecting a fault when a guest
tried to use the VMCALL instruction from ring 1, so lguest under kvm
fails to make hypercalls.  It was nice to share code with our KVM
cousins, but this was overreach.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Matias Zabaljauregui <zabaljauregui@gmail.com>
Cc: Avi Kivity <avi@redhat.com>
2010-04-14 21:43:56 +09:30
Rusty Russell
5094aeafbb lguest: workaround cmpxchg8b_emu by ignoring cli in the guest.
It's only used by cmpxchg8b_emu (see db677ffa5f for the gory
details), and fixing that to be paravirt aware would be more work than
simply ignoring it (and AFAICT only help lguest).  This makes lguest
work on machines which have cmpxchg8b, for kernels compiled for older
processors.

(We can't emulate it properly: the popf which expects to restore interrupts
does not trap).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: virtualization@lists.osdl.org
2010-04-14 21:43:54 +09:30