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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Having a RTC that doesn't maintain proper time across a reboot is one
thing. But a RTC that doesn't work at all and only causes timeouts is
another.
Tested-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel
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Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Signed-off-by: Eric Miao <eric.miao@marvell.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git into devel
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pxa25x doesn't support overlay in its LCD controller, this patch adds
pxafb_overlay_supported() functions to check the initialization is
necessary.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
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Conflicts:
arch/arm/mach-omap2/clock.c
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... rather than the clock names themselves.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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... which now means no driver requests the "armxor_ck" clock directly.
Also, fix the error handling for clk_get(), ensuring that we propagate
the error returned from clk_get().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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By providing a dummy ick for OMAP1510 and OMAP310, we avoid having
SoC conditional clock information in i2c-omap.c. Also, fix the
error handling by making sure we propagate the error returned via
clk_get().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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On OMAP1, the I2C functional clock (fck) is the armxor_ck, so there's
no need to get "armxor_ck" separately.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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... rather than the clock names themselves.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Eliminate the OMAP1 vs OMAP2 clock knowledge in the MMC driver.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Convert OMAP MMC driver to match clocks using the device ID and a
connection ID rather than a clock name. This allows us to eliminate
the OMAP1/OMAP2 differences for the function clock.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Eliminate the OMAP1 vs OMAP2 clock knowledge in the watchdog driver.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This eliminates the need for separate OMAP24xx and OMAP34xx clock
requesting code sections.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into devel
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx into devel
Conflicts:
drivers/video/mx3fb.c
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This is a framebuffer driver for i.MX31 SoCs. It only supports synchronous
displays, vertical panning supported, no overlay support.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This reverts commit 86528da229a448577a8401a17c295883640d336c.
This version of the patch was tab-to-space corrupted before
application.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Replace all occurences with assign_h3600_egpio.
Also simplify code a bit by replacing couple of if-else
statements with one-line equivalents.
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Conflicts:
arch/arm/mach-at91/gpio.c
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Rename driver from imx-mmc to mxc-mmc to avoid conflicts with the
mx1 mmc driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds clkdev support for i.MX31. This is done in a
similar way done previously for i.MX27
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The var->hsync_len, var->right_margin and var->left_margin fields
should contain the real values, not the hardware dependent values.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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v2: As pointed out by Hans J. Koch we have to claim we can do 24bit to
make software like X work. We are lucky on i.MX that 18bit support
has the necessary gaps in the fields to do so.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch mimicks what Martin wrote on the mailing list:
* move arch/arm/mach-imx/include/mach/imxfb.h into
arch/arm/mach-mxc/include/mach/imxfb.h
* changes Kconfig so that CONFIG_FB_IMX is selectable
* adds a platform device (copied from some pengutronix
patches)
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The context makes it clear already that these are clocks, so there's
no need for such a suffix. This patch only changes the clocks actually
used in the tree. The remaining clocks are renamed in the subsequent
architecture specific patches.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Prevent the kernel from being crashed by a divide-by-zero operation when
supplied an incorrectly filled 'struct fb_var_screeninfo' from userland.
Previously i810_main.c:1005 (i810_check_params) was using the global
'yres' symbol previously defined at i810_main.c:145 as a module parameter
value holder (i810_main.c:2174). If i810fb is compiled-in or if this
param doesn't get a default value, this direct usage leads to a
divide-by-zero at i810_main.c:1005 (i810_check_params). The patch simply
replace the 'yres' global, perhaps undefined symbol usage by a given
parameter structure lookup.
This problem occurs with directfb, mplayer -vo fbdev, SDL library.
It was also reported ( but non solved ) at:
http://mail.directfb.org/pipermail/directfb-dev/2008-March/004050.html
Signed-off-by: Samuel CUELLA <samuel.cuella@supinfo.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit e480814f138cd5d78a8efe397756ba6b6518fdb6 ("[MTD] [MAPS] physmap:
fix wrong free and del_mtd_{partition,device}") introduces a NULL pointer
dereference in physmap_flash_remove when called from the error path in
physmap_flash_probe (if map_probe failed).
Call del_mtd_{partition,device} only if info->cmtd was not NULL.
Reported-by: pHilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When GTT size is equal to amount of video memory, the amount of GTT
entries is computed lower than zero, which is invalid and leads to
off-by-one error in intel_i915_configure()
Originally posted here:
http://bugzilla.kernel.org/show_bug.cgi?id=12539
http://bugzilla.redhat.com/show_bug.cgi?id=445592
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: Lubomir Rintel <lkundrak@v3.sk>
Cc: Dave Airlie <airlied@linux.ie>
Reviewed-by: Eric Anholt <eric@anholt.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 771999b65f79264acde4b855e5d35696eca5e80c ("[MTD] DataFlash: bugfix,
binary page sizes now handled") broke support for probing AT45DB321C flash
chips. These chips do not support the "page size" status bit, so if we
match the JEDEC id return early.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Will Newton <will.newton@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Impact: fix bug to make agp work with dri
Jeffrey reported that dri does work with 64bit, but doesn't work with
32bit it turns out NB aperture is 32M, aperture on agp is 128M
64bit is using 64M for vaidation for 64 iommu/gart 32bit is only using
32M..., and will not update the nb aperture.
So try to compare nb apterture and agp apterture before leaving not
touch nb aperture.
Reported-by: Jeffrey Trull <jetrull@sbcglobal.net>
Tested-by: Jeffrey Trull <jetrull@sbcglobal.net>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Dave Airlie <airlied@linux.ie>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The adt7468 chip supports VRM10 sensors just like the adt7463; add a
missing check for it.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The verstep check in the lm85 driver fails because the upper nibble of
the version register is 0x7, not 0x6, on the adt7468 chip. Probing of
all adt7468s was broken by 69fc1feba2d5856ff74dedb6ae9d8c490210825c
("hwmon: (lm85) Rework the device detection"), and this patch fixes
that. Also add in a missing i2c_device_id that accidentally got dropped
from the original patch.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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get_nid_for_pfn() returns int
Presumably the (nid < 0) case has never happened.
We do know that it is happening on one system while creating a symlink for
a memory section so it should also happen on the same system if
unregister_mem_sect_under_nodes() were called to remove the same symlink.
The test was actually added in response to a problem with an earlier
version reported by Yasunori Goto where one or more of the leading pages
of a memory section on the 2nd node of one of his systems was
uninitialized because I believe they coincided with a memory hole.
That earlier version did not ignore uninitialized pages and determined
the nid by considering only the 1st page of each memory section. This
caused the symlink to the 1st memory section on the 2nd node to be
incorrectly created in /sys/devices/system/node/node0 instead of
/sys/devices/system/node/node1. The problem was fixed by adding the
test to skip over uninitialized pages.
I suspect we have not seen any reports of the non-removal
of a symlink due to the incorrect declaration of the nid
variable in unregister_mem_sect_under_nodes() because
- systems where a memory section could have an uninitialized
range of leading pages are probably rare.
- memory remove is probably not done very frequently on the
systems that are capable of demonstrating the problem.
- lingering symlink(s) that should have been removed may
have simply gone unnoticed.
[garyhade@us.ibm.com: wrote changelog]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
video: deferred io cleanup fix for sh_mobile_lcdcfb
sh: Add media/soc_camera.h to board setup of Renesas AP325RXA
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Fix deferred io cleanup patch in the sh_mobile_lcdcfb driver.
If probe() fails early the sh_mobile_lcdc_stop() function will
be called to clean up deferred io. This patch modifies the
code to only call fb_deferred_io_cleanup() after deferred io
has been initialized.
With this patch applied we no longer hit BUG_ON() inside
fb_deferred_io_cleanup(). Triggers on a Migo-R with the
SYS QVGA panel board unmounted.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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* 'for-linus' of git://neil.brown.name/md:
md: fix deadlock when stopping arrays
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Resolve a deadlock when stopping redundant arrays, i.e. ones that
require a call to sysfs_remove_group when shutdown. The deadlock is
summarized below:
Thread1 Thread2
------- -------
read sysfs attribute stop array
take mddev lock
sysfs_remove_group
sysfs_get_active
wait for mddev lock
wait for active
Sysrq-w:
--------
mdmon S 00000017 2212 4163 1
f1982ea8 00000046 2dcf6b85 00000017 c0b23100 f2f83ed0 c0b23100 f2f8413c
c0b23100 c0b23100 c0b1fb98 f2f8413c 00000000 f2f8413c c0b23100 f2291ecc
00000002 c0b23100 00000000 00000017 f2f83ed0 f1982eac 00000046 c044d9dd
Call Trace:
[<c044d9dd>] ? debug_mutex_add_waiter+0x1d/0x58
[<c06ef451>] __mutex_lock_common+0x1d9/0x338
[<c06ef451>] ? __mutex_lock_common+0x1d9/0x338
[<c06ef5e3>] mutex_lock_interruptible_nested+0x33/0x3a
[<c0634553>] ? mddev_lock+0x14/0x16
[<c0634553>] mddev_lock+0x14/0x16
[<c0634eda>] md_attr_show+0x2a/0x49
[<c04e9997>] sysfs_read_file+0x93/0xf9
mdadm D 00000017 2812 4177 1
f0401d78 00000046 430456f8 00000017 f0401d58 f0401d20 c0b23100 f2da2c4c
c0b23100 c0b23100 c0b1fb98 f2da2c4c 0a10fc36 00000000 c0b23100 f0401d70
00000003 c0b23100 00000000 00000017 f2da29e0 00000001 00000002 00000000
Call Trace:
[<c06eed1b>] schedule_timeout+0x1b/0x95
[<c06eed1b>] ? schedule_timeout+0x1b/0x95
[<c06eeb97>] ? wait_for_common+0x34/0xdc
[<c044fa8a>] ? trace_hardirqs_on_caller+0x18/0x145
[<c044fbc2>] ? trace_hardirqs_on+0xb/0xd
[<c06eec03>] wait_for_common+0xa0/0xdc
[<c0428c7c>] ? default_wake_function+0x0/0x12
[<c06eeccc>] wait_for_completion+0x17/0x19
[<c04ea620>] sysfs_addrm_finish+0x19f/0x1d1
[<c04e920e>] sysfs_hash_and_remove+0x42/0x55
[<c04eb4db>] sysfs_remove_group+0x57/0x86
[<c0638086>] do_md_stop+0x13a/0x499
This has been there for a while, but is easier to trigger now that mdmon
is closely watching sysfs.
Cc: <stable@kernel.org>
Reported-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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