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It doesn't seem these spinlocks were properly initialized.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Using list_move_tail() instead of list_del() + list_add_tail().
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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As detailed in the thread titled "viafb PLL/clock tweaking causes XO-1.5
instability," enabling or disabling the IGA1/IGA2 clocks causes occasional
stability problems during suspend/resume cycles on this platform.
This is rather odd, as the documentation suggests that clocks have two
states (on/off) and the default (stable) configuration is configured to
enable the clock only when it is needed. However, explicitly enabling *or*
disabling the clock triggers this system instability, suggesting that there
is a 3rd state at play here.
Leaving the clock enable/disable registers alone solves this problem.
This fixes spurious reboots during suspend/resume behaviour introduced by
commit b692a63a.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
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equalization
To check channel equalization, the value of LANE_ALIGN_STATUS_UPDATED is
necessary in exynos_dp_channel_eq_ok(). Also, link_align includes this value.
However, link_status does not include this value, so it makes the problem
that channel equalization is failed during link training.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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It is expected that LCDC to continue to be disabled after
resume if it is blanked before suspend. This is also true
for DVFS. But it is observed that LCDC being enabled after
suspend/resume cycle or DVFS.
Correcting it by having check for FB_BLANK_UNBLANK before
enabling.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This fixes below build error:
CC [M] drivers/video/mbx/mbxfb.o
drivers/video/mbx/mbxfb.c: In function 'mbxfb_probe':
drivers/video/mbx/mbxfb.c:942:2: error: implicit declaration of function 'devm_ioremap_nocache' [-Werror=implicit-function-declaration]
drivers/video/mbx/mbxfb.c:942:22: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/video/mbx/mbxfb.c:952:21: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch removes the video driver for pnx4008. The architecture is being
removed via the arm-soc tree.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Wait for active frame transfer to complete after disabling LCDC.
At the same this wait is not be required when there are sync and
underflow errors.
Patch applies for revision 2 of LCDC present am335x.
More information on disable and reset sequence can be found in
section 13.4.6 of AM335x TRM @www.ti.com/am335x.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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the driver's module init and exit functions are calling
platform_driver_register and platform_driver_unregister and doing nothing
else.
This same as that of the module_platform_driver,
remove this init and exit functions and use the module_platform_driver instead
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch solves problems with the error handling by
introducing labels for proper error paths and it also
frees resources that where missed.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The code 124 (0x7C, |) is rendered as a broken line in two
fonts, instead of a continuous line. Some keyboards show a
"broken bar" on one of theirs keys, other show a (continuous)
"vertical line".
Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fbdev-next
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SW reset sets DP TX to initial value, so configurations for analog parameter
and interrupt are not set properly. Therefore, exynos_dp_init_analog_param()
and exynos_dp_init_interrupt() should be moved to after sw reset is called,
in order to set these values properly.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch changes return type of exynos_dp_init_video to void,
because the return value is unnecessary.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Fix the return value of exynos_dp_get_pll_lock_status to
reflect what it actually returns.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch adds the function name to aux transaction failure messages
so we can tell which transaction is failing. It also changes the level
of Aux Transaction fail messages from error to debug. We retry the
transactions a few times and will report errors if warranted outside of
this function.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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LCD controller on am335x supports 24bpp raster configuration in addition
to ones on da850. LCDC also supports 24bpp in unpacked format having
ARGB:8888 32bpp format data in DDR, but it doesn't interpret alpha
component of the data.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Michal maybe forgot it merely, we should add code
to check the return value of kzalloc to make the
code more robust.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch checks time loop for RPLY_RECEIV which means that
AUX channel command reply is received.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch replaces the use of kzalloc by devm_kzalloc.
Additionally, this patch fixes a memory leak: some memory was allocated for
'panel' but not released when the subsequent call to setup_vsync fails.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch replaces the use of kzalloc by devm_kzalloc.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in the
probe function of a platform device and is only freed in the remove function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in the
probe function of a platform device and is only freed in the remove function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_clk_get() for these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Fixes the following sparse warnings:
drivers/video/exynos/exynos_mipi_dsi.c:208:22: warning:
symbol 'exynos_mipi_dsi_find_lcd_device' was not declared. Should it be static?
drivers/video/exynos/exynos_mipi_dsi.c:268:22: warning:
symbol 'exynos_mipi_dsi_bind_lcd_ddi' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The devm_clk_get function allocates memory that is released when a driver
detaches. This patch uses this function for data that is allocated in the probe
function of a platform device and is only freed in the remove function.
Additionally, this patch removes a null check after platform_get_resource that
is redundant with the one done by devm_request_and_ioremap.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch adds adjustement for voltage swing and pre-emphasis during
Link Training procedure. According to the DP specification, unless all
the LANEx_CR_DONE bits are set, the transmitter must read
the ADJUST_REQUEST_LANEx_x, increase the voltage swing according to
the request, and update the TRAINING_LANEx_SET bytes to match the new
voltage swing setting.
Refer to the DP specification v1.1a, Section 3.5.1.3 Link Training.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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omapfb does not currently set pseudo palette correctly for color depths
above 16bpp, making red text invisible, command like
echo -e '\e[0;31mRED' > /dev/tty1
will display nothing on framebuffer console in 24bpp mode.
This is because temporary variable is declared incorrectly, fix it.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: stable@vger.kernel.org # v3.x
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Commit f476ae9dab3234532d41d36beb4ba7be838fa786 (OMAPDSS: APPLY: Remove
DISPC writes to manager's lcd parameters in interface) broke the SDI
output, as it causes the SDI PLL locking to fail.
LCLK and PCLK divisors are located in shadow registers, and we normally
write them to DISPC registers when enabling the output. However, SDI
uses pck-free as source clock for its PLL, and pck-free is affected by
the divisors. And as we need the PLL before enabling the output, we need
to write the divisors early.
It seems just writing to the DISPC register is enough, and we don't need
to care about the shadow register mechanism for pck-free. The exact
reason for this is unknown.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Do a sanity check on these before using them as divisors.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Using kfree to free data allocated with devm_kzalloc causes double frees.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x;
@@
x = devm_kzalloc(...)
...
?-kfree(x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Switch to kmalloc(,GFP_ATOMIC) in bit_putcs to fix below trace:
[ 9.771812] BUG: sleeping function called from invalid context at /usr/src/linux-git/mm/slub.c:943
[ 9.771814] in_atomic(): 1, irqs_disabled(): 1, pid: 1063, name: mount
[ 9.771818] Pid: 1063, comm: mount Not tainted 3.5.0-jupiter-00003-g8d858b1-dirty #2
[ 9.771819] Call Trace:
[ 9.771838] [<c104f79b>] __might_sleep+0xcb/0xe0
[ 9.771844] [<c10c00d4>] __kmalloc+0xb4/0x1c0
[ 9.771851] [<c1041d4a>] ? queue_work+0x1a/0x30
[ 9.771854] [<c1041dcf>] ? queue_delayed_work+0xf/0x30
[ 9.771862] [<c1205832>] ? bit_putcs+0xf2/0x3e0
[ 9.771865] [<c1041e01>] ? schedule_delayed_work+0x11/0x20
[ 9.771868] [<c1205832>] bit_putcs+0xf2/0x3e0
[ 9.771875] [<c12002b8>] ? get_color.clone.14+0x28/0x100
[ 9.771878] [<c1200d2f>] fbcon_putcs+0x11f/0x130
[ 9.771882] [<c1205740>] ? bit_clear+0xe0/0xe0
[ 9.771885] [<c1200f6d>] fbcon_redraw.clone.21+0x11d/0x160
[ 9.771889] [<c120383d>] fbcon_scroll+0x79d/0xe10
[ 9.771892] [<c12002b8>] ? get_color.clone.14+0x28/0x100
[ 9.771897] [<c124c0b4>] scrup+0x64/0xd0
[ 9.771900] [<c124c22b>] lf+0x2b/0x60
[ 9.771903] [<c124cc95>] vt_console_print+0x1d5/0x2f0
[ 9.771907] [<c124cac0>] ? register_vt_notifier+0x20/0x20
[ 9.771913] [<c102b335>] call_console_drivers.clone.5+0xa5/0xc0
[ 9.771916] [<c102c58e>] console_unlock+0x2fe/0x3c0
[ 9.771920] [<c102ca16>] vprintk_emit+0x2e6/0x300
[ 9.771924] [<c13f01ae>] printk+0x38/0x3a
[ 9.771931] [<c112e8fe>] reiserfs_remount+0x2ae/0x3e0
[ 9.771934] [<c112e650>] ? reiserfs_fill_super+0xb00/0xb00
[ 9.771939] [<c10ca0ab>] do_remount_sb+0xab/0x150
[ 9.771943] [<c1034476>] ? ns_capable+0x46/0x70
[ 9.771948] [<c10e059c>] do_mount+0x20c/0x6b0
[ 9.771955] [<c10a7044>] ? strndup_user+0x34/0x50
[ 9.771958] [<c10e0acc>] sys_mount+0x6c/0xa0
[ 9.771964] [<c13f2557>] sysenter_do_call+0x12/0x26
According to comment in bit_putcs() that kammloc() call only happens
when fbcon is drawing to a monochrome framebuffer (which is my case with
hid-picolcd).
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Pull drm fixes from Dave Airlie:
"Intel: edid fixes, power consumption fix, s/r fix, haswell fix
Radeon: BIOS loading fixes for UEFI and Thunderbolt machines, better
MSAA validation, lockup timeout fixes, modesetting fixes
One udl dpms fix, one vmwgfx fix, a couple of trivial core changes.
There is an export added to ACPI as part of the radeon bios fixes.
I've also included the fbcon flashing cursor vs deinit race fix, that
seems the simplest place to start"
Trivial conflict in drivers/video/console/fbcon.c due to me having
already applied the fbcon flashing cursor vs deinit race fix, and Dave
had added a comment in there too.
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (22 commits)
fbcon: fix race condition between console lock and cursor timer (v1.1)
drm: Add missing static storage class specifiers in drm_proc.c file
drm/udl: dpms off the crtc when disabled.
drm: Remove two unused fields from struct drm_display_mode
drm: stop vmgfx driver explosion
drm/radeon/ss: use num_crtc rather than hardcoded 6
Revert "drm/radeon: fix bo creation retry path"
drm/i915: use hsw rps tuning values everywhere on gen6+
drm/radeon: split ATRM support out from the ATPX handler (v3)
drm/radeon: convert radeon vfct code to use acpi_get_table_with_size
ACPI: export symbol acpi_get_table_with_size
drm/radeon: implement ACPI VFCT vbios fetch (v3)
drm/radeon/kms: extend the Fujitsu D3003-S2 board connector quirk to cover later silicon stepping
drm/radeon: fix checking of MSAA renderbuffers on r600-r700
drm/radeon: allow CMASK and FMASK in the CS checker on r600-r700
drm/radeon: init lockup timeout on ring init
drm/radeon: avoid turning off spread spectrum for used pll
drm/i915: fall back to bit-banging if GMBUS fails in CRT EDID reads
drm/i915: extract connector update from intel_ddc_get_modes() for reuse
drm/i915: fix hsw uncached pte
...
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Pull SCSI target fixes from Nicholas Bellinger:
"The executive summary includes:
- Post-merge review comments for tcm_vhost (MST + nab)
- Avoid debugging overhead when not debugging for tcm-fc(FCoE) (MDR)
- Fix NULL pointer dereference bug on alloc_page failulre (Yi Zou)
- Fix REPORT_LUNs regression bug with pSCSI export (AlexE + nab)
- Fix regression bug with handling of zero-length data CDBs (nab)
- Fix vhost_scsi_target structure alignment (MST)
Thanks again to everyone who contributed a bugfix patch, gave review
feedback on tcm_vhost code, and/or reported a bug during their own
testing over the last weeks.
There is one other outstanding bug reported by Roland recently related
to SCSI transfer length overflow handling, for which the current
proposed bugfix has been left in queue pending further testing with
other non iscsi-target based fabric drivers.
As the patch is verified with loopback (local SGL memory from SCSI
LLD) + tcm_qla2xxx (TCM allocated SGL memory mapped to PCI HW) fabric
ports, it will be included into the next 3.6-rc-fixes PULL request."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Remove unused se_cmd.cmd_spdtl
tcm_fc: rcu_deref outside rcu lock/unlock section
tcm_vhost: Fix vhost_scsi_target structure alignment
target: Fix regression bug with handling of zero-length data CDBs
target/pscsi: Fix bug with REPORT_LUNs handling for SCSI passthrough
tcm_vhost: Change vhost_scsi_target->vhost_wwpn to char *
target: fix NULL pointer dereference bug alloc_page() fails to get memory
tcm_fc: Avoid debug overhead when not debugging
tcm_vhost: Post-merge review changes requested by MST
tcm_vhost: Fix incorrect IS_ERR() usage in vhost_scsi_map_iov_to_sgl
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git://git.pengutronix.de/git/wsa/linux
Pull i2c-embedded fixes from Wolfram Sang:
"Some bugfixes for the "embedded" part of the I2C subsystem. The fixes
affect mostly drivers which have been largely reworked lately and
where regressions appeared."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: tegra: protect suspend/resume callbacks with CONFIG_PM_SLEEP
i2c: diolan-u2c: Fix master_xfer return code
I2C: OMAP: xfer: fix runtime PM get/put balance on error
i2c: nomadik: Add default configuration into the Nomadik I2C driver
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Pull pwm fixes from Thierry Reding:
"These patches fix the Samsung PWM driver and perform some minor
cleanups like fixing checkpatch and sparse warnings.
Two redundant error messages are removed and the Kconfig help text for
the PWM subsystem is made more descriptive."
* tag 'for-3.6-rc3' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: Improve Kconfig help text
pwm: core: Fix coding style issues
pwm: vt8500: Fix coding style issue
pwm: Remove a redundant error message when devm_request_and_ioremap fails
pwm: samsung: add missing device pointer to struct pwm_chip
pwm: Add missing static storage class specifiers in core.c file
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph fixes from Sage Weil:
"Jim's fix closes a narrow race introduced with the msgr changes. One
fix resolves problems with debugfs initialization that Yan found when
multiple client instances are created (e.g., two clusters mounted, or
rbd + cephfs), another one fixes problems with mounting a nonexistent
server subdirectory, and the last one fixes a divide by zero error
from unsanitized ioctl input that Dan Carpenter found."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: avoid divide by zero in __validate_layout()
libceph: avoid truncation due to racing banners
ceph: tolerate (and warn on) extraneous dentry from mds
libceph: delay debugfs initialization until we learn global_id
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Pull NFS client bugfixes from Trond Myklebust:
- NFSv3 mounts need to fail if the FSINFO rpc call fails
- Ensure that the NFS commit cache gets torn down when we unload the
NFS module.
- Fix memory scribble issues when interrupting a LAYOUTGET rpc call
- Fix NFSv4 legacy idmapper regressions
- Fix issues with the NFSv4 getacl command
- Fix a regression when using the legacy "mount -t nfs4"
* tag 'nfs-for-3.6-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv3: Ensure that do_proc_get_root() reports errors correctly
NFSv4: Ensure that nfs4_alloc_client cleans up on error.
NFS: return -ENOKEY when the upcall fails to map the name
NFS: Clear key construction data if the idmap upcall fails
NFSv4: Don't use private xdr_stream fields in decode_getacl
NFSv4: Fix the acl cache size calculation
NFSv4: Fix pointer arithmetic in decode_getacl
NFS: Alias the nfs module to nfs4
NFS: Fix a regression when loading the NFS v4 module
NFSv4.1: Remove a bogus BUG_ON() in nfs4_layoutreturn_done
pnfs-obj: Better IO pattern in case of unaligned offset
NFS41: add pg_layout_private to nfs_pageio_descriptor
pnfs: nfs4_proc_layoutget returns void
pnfs: defer release of pages in layoutget
nfs: tear down caches in nfs_init_writepagecache when allocation fails
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull assorted fixes - mostly vfs - from Al Viro:
"Assorted fixes, with an unexpected detour into vfio refcounting logics
(fell out when digging in an analog of eventpoll race in there)."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
task_work: add a scheduling point in task_work_run()
fs: fix fs/namei.c kernel-doc warnings
eventpoll: use-after-possible-free in epoll_create1()
vfio: grab vfio_device reference *before* exposing the sucker via fd_install()
vfio: get rid of vfio_device_put()/vfio_group_get_device* races
vfio: get rid of open-coding kref_put_mutex
introduce kref_put_mutex()
vfio: don't dereference after kfree...
mqueue: lift mnt_want_write() outside ->i_mutex, clean up a bit
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It seems commit 4a9d4b02 (switch fput to task_work_add) reintroduced
the problem addressed in commit 944be0b2 (close_files(): add scheduling
point)
If a server process with a lot of files (say 2 million tcp sockets)
is killed, we can spend a lot of time in task_work_run() and trigger
a soft lockup.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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