- 22 Sep, 2012 10 commits
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Wei Yongjun authored
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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Daniel Drake authored
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:
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Jingoo Han authored
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:
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Manjunathappa, Prakash authored
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:
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Axel Lin authored
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:
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Roland Stigge authored
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:
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Manjunathappa, Prakash authored
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:
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Devendra Naga authored
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:
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Emil Goode authored
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:
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Bjarni Ingi Gislason authored
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:
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- 20 Sep, 2012 1 commit
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Florian Tobias Schandinat authored
Merge branch 'v3.7-for-florian' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fbdev-next
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- 23 Aug, 2012 29 commits
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Jingoo Han authored
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:
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Jingoo Han authored
This patch changes return type of exynos_dp_init_video to void, because the return value is unnecessary. Signed-off-by:
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Sean Paul authored
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:
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Sean Paul authored
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:
Doug Anderson <dianders@chromium.org> Reviewed-by:
Bernie Thompson <bhthompson@chromium.org> Acked-by:
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Julia Lawall authored
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; } | 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:
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Geert Uytterhoeven authored
Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Manjunathappa, Prakash authored
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:
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Wang YanQing authored
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:
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Jingoo Han authored
This patch checks time loop for RPLY_RECEIV which means that AUX channel command reply is received. Signed-off-by:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Jingoo Han authored
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_clk_get() for these functions. Signed-off-by:
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Sachin Kamat authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Damien Cassou authored
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:
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Jingoo Han authored
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:
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Grazvydas Ignotas authored
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:
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Tomi Valkeinen authored
Commit f476ae9d (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:
Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by:
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Dan Carpenter authored
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:
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Julia Lawall authored
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:
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Bruno Prémont authored
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:
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Paul Cercueil authored
Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Signed-off-by:
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