- 16 Dec, 2009 40 commits
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Akinobu Mita authored
Use bitmap_weight instead of doing hweight32 for each 32bit in bitmap. Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Akinobu Mita authored
Use hweight32 instead of counting for each bit Signed-off-by:
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Alexey Dobriyan authored
* small define cleanup in header * fix #ifdeffery in procfs.c via Kconfig Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Cc: Jeff Mahoney <jeffm@suse.com> Signed-off-by:
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Alexey Dobriyan authored
/proc/fs/reiserfs/version is on the way of removing ->read_proc interface. It's empty however, so simply remove it instead of doing dummy conversion. It's hard to see what information userspace can extract from empty file. Signed-off-by:
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Alexey Dobriyan authored
Signed-off-by:
Evgeniy Dushistov <dushistov@mail.ru> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Alexey Dobriyan authored
Signed-off-by:
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Jan Kara authored
When an IO error happens while writing metadata buffers, we should better report it and call ext2_error since the filesystem is probably no longer consistent. Sometimes such IO errors happen while flushing thread does background writeback, the buffer gets later evicted from memory, and thus the only trace of the error remains as AS_EIO bit set in blockdevice's mapping. So we check this bit in ext2_fsync and report the error although we cannot be really sure which buffer we failed to write. Signed-off-by:
Jan Kara <jack@suse.cz> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by:
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Theodore Ts'o authored
This fixes a common warning reported by kerneloops.org [Kernel summit hacking hour] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
"Theodore Ts'o" <tytso@mit.edu> Signed-off-by:
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Alexey Dobriyan authored
Signed-off-by:
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Alexey Dobriyan authored
Convert code away from ->read_proc/->write_proc interfaces. Switch to proc_create()/proc_create_data() which make addition of proc entries reliable wrt NULL ->proc_fops, NULL ->data and so on. Problem with ->read_proc et al is described here commit 786d7e16 "Fix rmmod/read/write races in /proc entries" Signed-off-by:
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Chaithrika U S authored
Add the platform specific callback to control LCD panel and backlight power. Signed-off-by:
Chaithrika U S <chaithrika@ti.com> Acked-by:
Kevin Hilman <khilman@deeprootsystems.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Krzysztof Helt authored
The intelfb driver sets color map depending on currently active pipe. However, if an LVDS display is attached (like in laptop) the active pipe variable is never set. The default value is PIPE_A and can be wrong. Set up the pipe variable during driver initialization after hardware state was read. Also, the detection of the active display (and hence the pipe) is wrong. The pipes are assigned to so called planes. Both pipes are always enabled on my laptop but only one plane is enabled (the plane A for the CRT or the plane B for the LVDS). Change active pipe detection code to take into account a status of the plane assigned to each pipe. The problem is visible in the 8 bpp mode if colors above 15 are used. The first 16 color entries are displayed correctly. The graphics chip description is here (G45 vol. 3): http://intellinuxgraphics.org/documentation.html Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13285Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Michal Suchanek <hramrach@centrum.cz> Cc: Dean Menezes <samanddeanus@yahoo.com> Signed-off-by:
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Harald Welte authored
A humble attempt to simplify the coding style to improve readability Signed-off-by:
Harald Welte <HaraldWelte@viatech.com> Signed-off-by:
Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Joseph Chan <JosephChan@via.com.tw> Cc: Scott Fang <ScottFang@viatech.com.cn> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Harald Welte authored
We now support the VX855, and the VX800 is no longer unaccellerated. viafb_video_dev was removed as it was useless. Signed-off-by:
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Alan Cox authored
Regression caused in 2.6.23 and then despite repeated requests never fixed or dealt with (Petr promised to sort it in 2008 but seems to have forgotten). Enough is enough - remove the problem line that was added. If it upsets someone they've had two years to deal with it and at the very least it'll rattle their cage and wake them up. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9709Signed-off-by:
Alan Cox <alan@linux.intel.com> Reported-by:
Damon <account@bugzilla.kernel.org.juxtaposition.net> Tested-by:
Ruud van Melick <rvm1974@raketnet.nl> Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Paul A. Clarke <pc@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by:
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Chaithrika U S authored
Implement frame buffer blank operation feature for DA8xx/OMAP-L1xx driver. Signed-off-by:
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Chaithrika U S authored
Suspend/resume support DA8xx/OMAP-L1xx frame buffer driver. This feature has been tested on DA850/OMAP-L138 EVM. For the purpose of testing, the patch series[1] which adds suspend support for DA850/OMAP-L138 SoC was applied. [1] http://patchwork.kernel.org/patch/60260/Signed-off-by:
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Chaithrika U S authored
Add a helper function to enable raster. Also add one member in the private data structure to track the current blank status, another function pointer which takes in the platform specific callback function to control panel power. These updates will help in adding suspend/resume and frame buffer blank operation features. Signed-off-by:
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Alexey Dobriyan authored
Signed-off-by:
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Dan Carpenter authored
Fixed a typo: missing *. This would lead to a kernel oops if the kernel was compiled without support for the /proc file system. Found with a static checker. Compile tested. Signed-off-by:
Dan Carpenter <error27@gmail.com> Acked-by:
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Vincent Sanders authored
This patch provides the acceleration entry points for the SM501 framebuffer driver. This patch provides the sync, copyarea and fillrect entry points, using the SM501's 2D acceleration engine to perform the operations in-chip rather than across the bus. Signed-off-by:
Ben Dooks <ben@simtec.co.uk> Signed-off-by:
Simtec Linux Team <linux@simtec.co.uk> Signed-off-by:
Vincent Sanders <vince@simtec.co.uk> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Ben Dooks authored
Fix the old style use of <asm/io.h> by replacing it with <linux/io.h>. Signed-off-by:
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Ben Dooks authored
There are several places in the SM501 fb driver that could do with using resource_size() to calculate the size of a resource. Also fix a bug where request_mem_region() is being passed one too few bytes when requesting the register memory region, which was causing the following in /proc/iomem: 13e80000-13e8ffff : sm501-fb.0 13e80000-13e8fffe : sm501-fb fixed, this reads: 13e80000-13e8ffff : sm501-fb.0 13e80000-13e8ffff : sm501-fb Signed-off-by:
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Krzysztof Helt authored
Alan Cox has found that the i810fb function "uses a whopping 2.5K of stack". Signed-off-by:
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Andres Salomon authored
The GRUB folks requested copyright/license info for lxfb.h, so here it is. Signed-off-by:
Andres Salomon <dilinger@collabora.co.uk> Cc: Jordan Crouse <jordan@cosmicpenguin.net> Signed-off-by:
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Chaithrika U S authored
Add cpufreq support for DA8xx/OMAP-L1xx frame buffer driver Signed-off-by:
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Chaithrika U S authored
The clock divider value can be calculated from the pixel clock value for the panel. This gives more flexiblity to the driver to change the divider value on the fly as in the case of cpufreq feature- support for which will be added shortly. Signed-off-by:
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Valentin Sitdikov authored
[akpm@linux-foundation.org: clean up comments, remove do-nothing tests, use min()] [akpm@linux-foundation.org: fix Alexandr's email address] [akpm@linux-foundation.org: export mb862xxfb_init_accel] Signed-off-by:
Valentin Sitdikov <valentin.sitdikov@siemens.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Anatolij Gustschin <agust@denx.de> Signed-off-by:
Alexander Shishkin <virtuoso@slind.org> Signed-off-by:
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Julia Lawall authored
If the NULL test on fbi is needed, then the dereference should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // <smpl> @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Daniel Mack <daniel@caiaq.de> Signed-off-by:
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Krzysztof Helt authored
Add check if palette register number is in correct range for few drivers which miss it. The regno value comes indirectly from user space. Two drivers has converted check from BUG_ON() macro to just return an error (non-zero value). Signed-off-by:
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Andy Shevchenko authored
Kernel has simple_strtol() implementation which could be used as atoi(). Signed-off-by:
Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Roel Kluin authored
The TV_PALN bit was tested twice, replace one by TV_PALM. Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Cc: Thomas Winischhofer <thomas@winischhofer.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Michael Hennerich authored
The height/width framebuffer members need to be set in millimeters so that software can do proper scaling. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
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Michael Hennerich authored
The LCD commands DMA/timers as well as PPI which we need to save/restore. Signed-off-by:
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Michael Hennerich authored
Framebuffer driver for the Landscape LCD EZ-Extender (ADZS-BFLLCD-EZEXT) http://docs.blackfin.uclinux.org/doku.php?id=hw:cards:landscape_lcd_ez-extenderSigned-off-by:
Bryan Wu <cooloney@kernel.org> Signed-off-by:
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Jani Nikula authored
Drivers may use gpiolib sysfs as part of their public user space interface. The GPIO number and polarity might change from board to board. The gpio_export_link() call can be used to hide the GPIO number from user space. Add support for also hiding the GPIO line polarity changes from user space. Signed-off-by:
Jani Nikula <ext-jani.1.nikula@nokia.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Richard Röjfors authored
A GPIO driver for the Timberdale FPGA found on the Intel Atom board Russellville. The GPIO driver also has an IRQ-chip to support interrupts on the pins. Signed-off-by:
Richard Röjfors <richard.rojfors@mocean-labs.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Roel Kluin authored
The wrong test was used, gpio is unsigned and it had an off-by-one. Signed-off-by:
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Wan ZongShun authored
Signed-off-by:
Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Hu Ruihuan <specter118@gmail.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "jack wang" <jack_wang@usish.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Johannes Weiner authored
All callsites of x1205_set_datetime() want the date to be set as well, so remove the flag parameter and set it unconditionally. Signed-off-by:
Johannes Weiner <jw@emlix.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Paul Gortmaker <p_gortmaker@yahoo.com> Signed-off-by:
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