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Noticed by Ben Hutchings.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
Fix failure exit in ipathfs
fix oops in fs/9p late mount failure
fix leak in romfs_fill_super()
get rid of pointless checks after simple_pin_fs()
Fix failure exits in bfs_fill_super()
fix affs parse_options()
Fix remount races with symlink handling in affs
Fix a leak in affs_fill_super()
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
x86/PCI: remove IOH range fetching
PCI: fix nested spinlock hang in aer_inject
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* 'for-linus' of git://git.infradead.org/ubi-2.6:
UBI: fix volume creation input checking
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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: ohci: fix crashes with TSB43AB23 on 64bit systems
firewire: core: fix use-after-free regression in FCP handler
firewire: cdev: add_descriptor documentation fix
firewire: core: add_descriptor size check
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The convention for API functions in kernel is to return errno value;
bond_open would return -1 if alb setup failed. The only reason that
could happen is if kmalloc() failed.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call ixgbe_copy_dcb_cfg() earlier in the ixgbe_dcbnl_set_all() so that
we can learn if this is going to fail as early as possible. Previously,
ixgbe_down or ixgbe_close were being called before this check and the
IXGBE_RESETTING bit was being set and cleared. Worse if this failed
the corresponding ixgbe_up/ndo_open would not called.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the correct bit BIT_PG_TX when tx PG settings are set.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change fixes an issue in igbvf with mapped_as_page being left set
after a page is unmapped which results in buffers which are mapped via map
single being unmapped as page.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hello David Miller,
I fix a bug in ks8851_mll driver, which has existed since 2.6.32-rc6.
>From : David J. Choi <david.choi@micrel.com>
Fix a bug that the data pointers in the interrupt handler are set wrong, which is related with the 5th parameter of request_irq().
Signed-off-by : David J. Choi <david.choi@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug fix in be2net for newer generation of BladeEngine ASIC.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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There are many many ways one can capitalize "Lifebook B Series"...
Signed-off-by: Jon Dodgson <crayzeejon@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] aic79xx: check for non-NULL scb in ahd_handle_nonpkt_busfree
[SCSI] zfcp: Set hardware timeout as requested by BSG request.
[SCSI] zfcp: Introduce bsg_timeout callback.
[SCSI] scsi_transport_fc: Allow LLD to reset FC BSG timeout
[SCSI] zfcp: add missing compat ptr conversion
[SCSI] zfcp: Fix linebreak in hba trace
[SCSI] zfcp: Issue zfcp_fc_wka_port_put after FC CT BSG request
[SCSI] qla2xxx: Update version number to 8.03.01-k10.
[SCSI] fc-transport: Use packed modifier for fc_bsg_request structure.
[SCSI] qla2xxx: Perform fast mailbox read of flash regardless of size nor address alignment.
[SCSI] qla2xxx: Correct FCP2 recovery handling.
[SCSI] scsi_lib: Fix bug in completion of bidi commands
[SCSI] mptsas: Fix issue with chain pools allocation on katmai
[SCSI] aacraid: fix File System going into read-only mode
[SCSI] lpfc: fix file permissions
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] fix single stepped svcs with TRACE_IRQFLAGS=y
[S390] zcrypt: Do not remove coprocessor for error 8/72
[S390] sclp_vt220: set initial terminal window size
[S390] use set_current_state in sigsuspend
[S390] irqflags: add missing types.h include
[S390] dasd: fix possible NULL pointer errors
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Having missed the ENOMEM return via i915_gem_fault(), there are probably
other paths that I also missed. By not enabling NORETRY by default these
paths can run the shrinker and take memory from the system (but not from
our own inactive lists because our shrinker can not run whilst we hold
the struct mutex) and this may allow the system to survive a little longer
whilst our drivers consume all available memory.
References:
OOM killer unexpectedly called with kernel 2.6.32
http://bugzilla.kernel.org/show_bug.cgi?id=14933
v2: Pass gfp into page mapping.
v3: Use new read_cache_page_gfp() instead of open-coding.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Unsurprisingly, Texas Instruments TSB43AB23 exhibits the same behaviour
as TSB43AB22/A in dual buffer IR DMA mode: If descriptors are located
at physical addresses above the 31 bit address range (2 GB), the
controller will overwrite random memory. With luck, this merely
prevents video reception. With only a little less luck, the machine
crashes.
We use the same workaround here as with TSB43AB22/A: Switch off the
dual buffer capability flag and use packet-per-buffer IR DMA instead.
Another possible workaround would be to limit the coherent DMA mask to
31 bits.
In Linux 2.6.33, this change serves effectively only as documentation
since dual buffer mode is not used for any controller anymore. But
somebody might want to re-enable it in the future to make use of
features of dual buffer DMA that are not available in packet-per-buffer
mode.
In Linux 2.6.32 and older, this update is vital for anyone with this
controller, more than 2 GB RAM, a 64 bit kernel, and FireWire video or
audio applications.
We have at least four reports:
http://bugzilla.kernel.org/show_bug.cgi?id=13808
http://marc.info/?l=linux1394-user&m=126154279004083
https://bugzilla.redhat.com/show_bug.cgi?id=552142
http://marc.info/?l=linux1394-user&m=126432246128386
Reported-by: Paul Johnson
Reported-by: Ronneil Camara
Reported-by: G Zornetzer
Reported-by: Mark Thompson
Cc: stable@kernel.org
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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For SGI UV node controllers (HUB) rev 2.0 or greater, use
replicated cachelines to read the RTC timer. This optimization
allows faster simulataneous reads from a given socket.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20100122154140.GB4975@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Do not use an unchecked variable UBI_IOCMKVOL ioctl.
Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: stable@vger.kernel.org
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In a case where the number of the input data is bigger than the
modulus of the key, the coprocessor adapters will report an 8/72
error. This case is not caught yet, thus the adapter will be taken
offline. To prevent this, we return an -EINVAL instead.
Signed-off-by: Felix Beck <felix.beck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When opening a SCLP VT220 terminal, the terminal window size is not
initialized (defaults to zero).
Since the SCLP VT220 terminal supports only 80x24, explicitly set
the window size to prevent (n)curses applications from guessing
the default setting.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix possible NULL pointer in DASD messages and correct discipline
checking.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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netdev_open() will return without cleaning up net device or hardware state
if firmware loading fails. This results in a BUG() on a second attempt to
bring the interface up, reported in
<http://bugzilla.kernel.org/show_bug.cgi?id=15091>, and probably has even
worse effects if the driver is removed afterwards.
Call netdev_close() to clean up on failure.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=15091
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Reported-by: Michael Moffatt <michael@moffatt.org.nz>
Tested-by: Michael Moffatt <michael@moffatt.org.nz>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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deactivate_locked_super() will be done by caller of fill_super, doing
it there as well is b0rken.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Commit db5d247a "firewire: fix use of multiple AV/C devices, allow
multiple FCP listeners" introduced a regression into 2.6.33-rc3:
The core freed payloads of incoming requests to FCP_Request or
FCP_Response before a userspace driver accessed them.
We need to copy such payloads for each registered userspace client
and free the copies according to the lifetime rules of non-FCP client
request resources.
(This could possibly be optimized by reference counts instead of
copies.)
The presently only kernelspace driver which listens for FCP requests,
firedtv, was not affected because it already copies FCP frames into an
own buffer before returning to firewire-core's FCP handler dispatcher.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Presently, firewire-core only checks whether descriptors that are to be
added by userspace drivers to the local node's config ROM do not exceed
a size of 256 quadlets. However, the sum of the bare minimum ROM plus
all descriptors (from firewire-core, from firewire-net, from userspace)
must not exceed 256 quadlets.
Otherwise, the bounds of a statically allocated buffer will be
overwritten. If the kernel survives that, firewire-core will
subsequently be unable to parse the local node's config ROM.
(Note, userspace drivers can add descriptors only through device files
of local nodes. These are usually only accessible by root, unlike
device files of remote nodes which may be accessible to lesser
privileged users.)
Therefore add a test which takes the actual present and required ROM
size into account for all descriptors of kernelspace and userspace
drivers.
Cc: stable@kernel.org
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] sbc_fitpc2_wdt: fix I/O space access technique.
[WATCHDOG] ixp2000: Fix build failure caused by missing include
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* 'linux-next' of git://git.infradead.org/ubi-2.6:
UBI: fix memory leak in update path
UBI: add more checks to chdev open
UBI: initialise update marker
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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: (fschmd) Fix a memleak on multiple opens of /dev/watchdog
hwmon: (asus_atk0110) Do not fail if MBIF is missing
hwmon: (amc6821) Double unlock bug
hwmon: (smsc47m1) Fix section mismatch
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (95 commits)
drm/radeon/kms: preface warning printk with driver name
drm/radeon/kms: drop unnecessary printks.
drm: fix regression in fb blank handling
drm/radeon/kms: make hibernate work on IGPs
drm/vmwgfx: Optimize memory footprint for DMA buffers.
drm/ttm: Allow system memory as a busy placement.
drm/ttm: Fix race condition in ttm_bo_delayed_delete (v3, final)
drm/nv50: prevent switching off SOR when in use for DVI-over-DP
drm/nv50: fail auxch transaction if reply count not what we expect
drm/nouveau: fix failure path if userspace specifies no valid memtypes
drm/nouveau: report LVDS as disconnected if lid closed
drm/radeon/kms: fix legacy get_engine/memory clock
drm/radeon/kms/atom: atom parser fixes
drm/radeon/kms: clean up atombios pll code
drm/radeon/kms: clean up pll struct
drm/radeon/kms/atom: fix crtc lock ordering
drm/radeon: r6xx/r7xx possible security issue, system ram access
drm/radeon/kms: r600/r700 don't test ib if ib initialization fails
drm/radeon/kms: Forbid creation of framebuffer with no valid GEM object
drm/radeon/kms: r600 handle irq vector ring overflow
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits)
virtio_net: Make delayed refill more reliable
sfc: Use fixed-size buffers for MCDI NVRAM requests
sfc: Add workspace for GMAC bug workaround to MCDI MAC_STATS buffer
tcp_probe: avoid modulus operation and wrap fix
qlge: Only free resources if they were allocated
netns xfrm: deal with dst entries in netns
sky2: revert config space change
vlan: fix vlan_skb_recv()
netns xfrm: fix "ip xfrm state|policy count" misreport
sky2: Enable/disable WOL per hardware device
net: Fix IPv6 GSO type checks in Intel ethernet drivers
igb/igbvf: cleanup exception handling in tx_map_adv
MAINTAINERS: Add Intel igbvf maintainer
e1000/e1000e: don't use small hardware rx buffers
fmvj18x_cs: add new id (Panasonic lan & modem card)
be2net: swap only first 2 fields of mcc_wrb
Please add support for Microsoft MN-120 PCMCIA network card
be2net: fix bug in rx page posting
wimax/i2400m: Add support for more i6x50 SKUs
e1000e: enhance frame fragment detection
...
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I have seen RX stalls on a machine that experienced a suspected
OOM. After the stall, the RX buffer is empty on the guest side
and there are exactly 16 entries available on the host side. As
the number of entries is less than that required by a maximal
skb, the host cannot proceed.
The guest did not have a refill job scheduled.
My diagnosis is that an OOM had occured, with the delayed refill
job scheduled. The job was able to allocate at least one skb, but
not enough to overcome the minimum required by the host to proceed.
As the refill job would only reschedule itself if it failed completely
to allocate any skbs, this would lead to an RX stall.
The following patch removes this stall possibility by always
rescheduling the refill job until the ring is totally refilled.
Testing has shown that the RX stall no longer occurs whereas
previously it would occur within a day.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The low-level MCDI code always uses 32-bit MMIO operations, and
callers must pad input and output buffers to multiples of 4 bytes.
The MCDI NVRAM functions are not doing this. Also, their buffers are
declared as variable-length arrays with no explicit maximum length.
Switch to a fixed buffer size based on the chunk size used by the
MTD driver (which is a multiple of 4).
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to a hardware bug in the SFC9000 family, the firmware must
transfer raw GMAC statistics to host memory before aggregating them
into the cooked (speed-independent) MAC statistics. Extend the stats
buffer to support this.
The length of the buffer is explicit in the MAC_STATS command, so this
change is backward-compatible on both sides.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently qlge tries to release regions even if they were not allocated.
This causes messages like the following in the kernel log
Trying to free nonexistent resource <00000000006af400-00000000006af4ff>
Trying to free nonexistent resource <00003c04ff9f4000-00003c04ff9f7fff>
Trying to free nonexistent resource <00003c04ffc00000-00003c04ffcfffff>
This patch fixes the goto logic in order to not release the resources
if they were not allocated.
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Among other changes, this commit:
commit 06d0f0663e11cab4ec5f2c143a118d71a12fbbe9
Author: Sujith <Sujith.Manoharan@atheros.com>
Date: Thu Feb 12 10:06:45 2009 +0530
ath9k: Enable Fractional N mode
changed the hw attach code to fix up initialization values only for
dual band devices, however the commit message did not give a reason as
to why this would be useful or necessary.
According to tests by Jorge Boncompte, this breaks at least some
2GHz-only cards, so the code should be changed back to the
unconditional INI fixup.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Jorge Boncompte <jorge@dti2.net>
Cc: stable@kernel.org
Tested-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There are a few station addresses that are
char *, instead of the normal u8 *; gcc
gives pointer signedness warnings for some
of those, so use u8 * consistently.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The mdelay function was used between I/O access commands, that causes peak
in CPU usage. Fix it by substitution mdelay to msleep.
Expand usage on fitPC2 compatible boards according to DMI identification.
Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The aer_inject module hangs in aer_inject() when checking the device's
error masks. The hang is due to a recursive use of the aer_inject lock.
The aer_inject() routine grabs the lock while processing the error and then
calls pci_read_config_dword to read the masks. The pci_read_config_dword
routine is earlier overridden by pci_read_aer, which among other things,
grabs the aer_inject lock.
Fixed by moving the pci_read_config_dword calls to read the masks to before
the lock is taken.
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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epoch is always NULL here.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
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When /dev/watchdog gets opened a second time we return -EBUSY, but
we already have got a kref then, so we end up leaking our data struct.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
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MBIF (motherboard identification) is only used to print the name of
the board, it's not essential for the driver; do not fail if it's
missing. Based on Juan's patch.
Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Acked-by: Juan RP <xtraeme@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The mutex gets unlocked after we goto EXIT.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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smsc47m1_restore is called from sm_smsc47m1_exit, which is an __exit
function, so it can't be __init.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Obviously, this register had some other impact that is causing
the regression. Either it is masking some other access or needs
to be reset in some path.
Either, way it is best to just revert the change for 2.6.33
This reverts commit 166a0fd4c788ec7f10ca8194ec6d526afa12db75.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This just adds a little more info to the warning for old -ati/mesa
userspaces.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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These printks aren't required anymore.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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commit 731b5a15a3b1474a41c2ca29b4c32b0f21bc852e
Author: James Simmons <jsimmons@infradead.org>
Date: Thu Oct 29 20:39:07 2009 +0000
drm/kms: properly handle fbdev blanking
uses DRM_MODE_DPMS_ON for FB_BLANK_NORMAL, but DRM_MODE_DPMS_ON
is actually for turning output on instead of blank.
This makes fb blank broken on my T61, it put LVDS on but leave
pipe disabled which made screen totally white or caused some
'burning' effect.
[airlied: James objects to this but at this point in 2.6.33,
I can't see a patch that will fix this properly like he wants coming
in time and otherwise this is a regression - proper fix for 2.6.34
hopefully.]
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is the least invasive fix without migrating the radeon driver
to pm_ops from what I can see. We just always migrate VRAM objects
on IGPs for now and we can fix it up later to migrate depending
on STR vs STD.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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