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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits)
vlynq: make whole Kconfig-menu dependant on architecture
add descriptive comment for TIF_MEMDIE task flag declaration.
EEPROM: max6875: Header file cleanup
EEPROM: 93cx6: Header file cleanup
EEPROM: Header file cleanup
agp: use NULL instead of 0 when pointer is needed
rtc-v3020: make bitfield unsigned
PCI: make bitfield unsigned
jbd2: use NULL instead of 0 when pointer is needed
cciss: fix shadows sparse warning
doc: inode uses a mutex instead of a semaphore.
uml: i386: Avoid redefinition of NR_syscalls
fix "seperate" typos in comments
cocbalt_lcdfb: correct sections
doc: Change urls for sparse
Powerpc: wii: Fix typo in comment
i2o: cleanup some exit paths
Documentation/: it's -> its where appropriate
UML: Fix compiler warning due to missing task_struct declaration
UML: add kernel.h include to signal.c
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add Amiga Zorro bus modalias and uevent support
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The current allocation does not include the memory required for blanking
lines. So avoid memory corruption when multiple devices are using the DMA
memory near each other.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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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Fix a number of Oopses, memory leaks and unbalanced calls on error paths in
sh_mobile_lcdcfb.c.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Since the drivers probe call was changed from .init.text
to .devinit.text in commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b
the fb_fix_screeninfo structure must be
changed from .init.data to .devinit.data, too.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Tested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Description of patch:
---------------------
This is a patch for the EFI framebuffer driver to enable the framebuffer
of the NVIDIA 9400M as found in MacBook Pro (MBP) 5,1 and up. The
framebuffer of the NVIDIA graphic cards are located at the following
addresses in memory:
9400M: 0xC0010000
9600M GT: 0xB0030000
The patch delivered right here only provides the memory location of the
framebuffer of the 9400M device. The 9600M GT is not covered. It is
assumed that the 9400M is used when powered up the MBP.
The information which device is currently powered and in use is stored in
the 64 bytes large EFI variable "gpu-power-prefs". More specifically,
byte 0x3B indicates whether 9600M GT (0x00) or 9400M (0x01) is online.
The PCI bus IDs are the following:
9400M: PCI 03:00:00
9600M GT: PCI 02:00:00
The EFI variables can be easily read-out and manipulated with "rEFIt", an
MBP specific bootloader tool. For more information on how handle rEFIt
and EFI variables please consult "http://refit.sourceforge.net" and
"http://ubuntuforums.org/archive/index.php/t-1076879.html".
IMPORTANT NOTE: The information on how to activate the 9400M device given
at "ubuntuforums.org" is not correct, since it states
gpu-power-prefs[0x3B] = 0x00 -> 9400M (PCI 02:00:00)
gpu-power-prefs[0x3B] = 0x01 -> 9600M GT (PCI 03:00:00)
Actually, the assignment of the values and the PCI bus IDs are swapped.
Suggestions:
------------
To cover framebuffers of both 9400M and 9600M GT, I would suggest to
implement a conditional on "gpu-power-prefs". Depending on the value of
byte 0x3B, the according framebuffer is selected. However, this requires
kernel access to the EFI variables.
[akpm@linux-foundation.org: rename optname, per Peter Jones]
Signed-off-by: Thomas Gerlach <t.m.gerlach@freenet.de>
Acked-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since Valentin's email address @siemens.com is no longer valid, it's time
to change it to the one that actually works so that I don't have to
manually forward patches against mb862xx to him every time.
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Acked-by: Valentin Sitdikov <v.sitdikov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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mb862xxfb_accel built as a separate module, but it does not have a
MODULE_LICENSE, so it taints the kernel. Add a MODULE_LICENSE to it (same
as mb862xxfb license).
mb862xxfb_accel: module license 'unspecified' taints kernel.
Or should mb862xxfb_accel be built into the mb862xxfb binary file instead?
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
Cc: Valentin Sitdikov <v.sitdikov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Made necessary by 6992f5334995af474c2b58d010d08bc597f0f2fe ("sysfs: Use
one lockdep class per sysfs attribute").
Prevents further "key xxx not in .data" bug-reports. Although some
attributes could probably be converted to static ones, this is left for
people having hardware to test.
Found by this semantic patch:
@ init @
type T;
identifier A;
@@
T {
...
struct device_attribute A;
...
};
@ main extends init @
expression E;
statement S;
identifier err;
T *name;
@@
... when != sysfs_attr_init(&name->A.attr);
(
+ sysfs_attr_init(&name->A.attr);
if (device_create_file(E, &name->A))
S
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+ sysfs_attr_init(&name->A.attr);
err = device_create_file(E, &name->A);
)
While reviewing, I put the initialization to apropriate places.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Greg KH <gregkh@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Mike Isely <isely@pobox.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit c2e13037e6794bd0d9de3f9ecabf5615f15c160b ("platform-drivers: move
probe to .devinit.text in drivers/video") introduced a huge amount of
section mismatch warnings in vesafb code. Rather than converting all of
the annotations, do the obvious and revert the __init -> __devinit change,
and use the recommended (in that patch) alternative to calling
platform_driver_register(): vesafb depends on information obtained from by
kernel at boot time, cannot be a module, and no post-boot devices can ever
show up.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Greg KH <greg@kroah.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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These just represent the secondary and further heads attached to the
card, and they have different sets of PCI bar registers to map.
So don't try to drive them in the main driver.
Reported-by: Frans van Berckel <fberckel@xs4all.nl>
Tested-by: Frans van Berckel <fberckel@xs4all.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux:
OMAP: DSS2: panel-generic: re-implement mode changing
OMAP: DSS2: initialize dss clk sources properly
OMAP: DSS2: VRAM: Fix early_param for vram
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] Orion5x: replace KEY_WLAN with KEY_WPS_BUTTON
[ARM] Kirkwood: WPS button keycode mapping
pxa168fb: fix incorrect resource calculation
[ARM] pxa/raumfeld: fix button name
[ARM] pxa/raumfeld: remove duplicated #include
[ARM] locomo: fix unpaired spin_lock_irqsave
[ARM] locomo: fix SPI register offset
[ARM] pxa/sharpsl: add dependency of max1111 driver to sharpsl_pm
[ARM] pxa: remove unnecessary 'select FB_W100' from some platforms
[ARM] pxa: remove spi cs gpio direction to avoid clash with driver
[ARM] mmp: fix for variables in uncompress.h being discarded
[ARM] pxa: fix for variables in uncompress.h being discarded
ARM: Update mach-types
ARM: Fix IXP23xx build error in mach/memory.h
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Fixup for the flatpanel output. The geode_modedb attribute flags are used
to set the SYNC polarity of the flatpanel. Without this patch our
flatpanel registers stayed unconfigured, so we just saw garbage output.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: Andres Salomon <dilinger@collabora.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The size calculation is not correct. It should be end - start + 1.
Use resource_size() to caculate it.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (23 commits)
ARM: Fix RiscPC decompressor build errors
ARM: Fix sorting of platform group config options and includes
ARM: 5991/1: Fix regression in restore_user_regs macro
ARM: 5989/1: ARM: KGDB: add support for SMP platforms
ARM: 5990/1: ARM: use __armv5tej_mmu_cache_flush for V5TEJ instead of __armv4_mmu_cache_flush
ARM: Add final piece to fix XIP decompressor in read-only memory
video: enable sh_mobile_lcdc on SH-Mobile ARM
ARM: mach-shmobile: ap4evb SDHI0 platform data V2
ARM: mach-shmobile: sh7372 SDHI vector merge
ARM: mach-shmobile: sh7377 SDHI vector merge
ARM: mach-shmobile: sh7367 SDHI vector merge
ARM: mach-shmobile: G4EVM KEYSC platform data
mtd: enable sh_flctl on SH-Mobile ARM
ARM: mach-shmobile: G3EVM FLCTL platform data
ARM: mach-shmobile: G3EVM KEYSC platform data
Video: ARM CLCD: Better fix for swapped IENB and CNTL registers
ARM: Add L2 cache handling to smp boot support
ARM: 5960/1: ARM: perf-events: fix v7 event selection mask
ARM: 5959/1: ARM: perf-events: request PMU interrupts with IRQF_NOBALANCING
ARM: 5988/1: pgprot_dmacoherent() for non-mmu builds
...
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* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
backlight: panasonic-laptop - Fix incomplete registration failure handling
backlight: msi-laptop, msi-wmi: fix incomplete registration failure handling
backlight: blackfin - Fix missing registration failure handling
backlight: classmate-laptop - Fix missing registration failure handling
backlight: mbp_nvidia_bl - add five more MacBook variants
backlight: Allow properties to be passed at registration
backlight: Add backlight_device parameter to check_fb
video: backlight/progear, fix pci device refcounting
backlight: l4f00242t03: Fix module licence absence.
backlight: Revert some const qualifiers
backlight: Add Epson L4F00242T03 LCD driver
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sunxvr1000: Add missing FB=y depenency.
MAINTAINERS: Add entry for sparc serial drivers.
drivers/serial/sunsab.c: adjust the constant used to initialize the interrupt_mask0 fields
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Check newly registered backlight_device for error and properly
return error to parent
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Mike Frysinger <vapier@gentoo.org> (constify struct backlight_ops)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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This adds the MacBook 1,1 2,1 3,1 4,1 and 4,2 to the DMI tables.
Signed-off-by: Evan McClain <evan.mcclain@gatech.edu>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Values such as max_brightness should be set before backlights are
registered, but the current API doesn't allow that. Add a parameter to
backlight_device_register and update drivers to ensure that they
set this correctly.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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check_fb from backlight_ops lacks a reference to the backlight_device
that's being referred to. Add this parameter so a backlight_device
can be mapped to a single framebuffer, especially if the same driver
handles multiple devices on a single system.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Stanse found an ommitted pci_dev_puts on error path in progearbl_probe.
pmu_dev and sb_dev are gotten, but never put when
backlight_device_register fails.
So unify fail paths and put the devs when the failure occurs.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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The Epson LCD L4F00242T03 is mounted on the Freescale i.MX31 PDK board.
Based upon Marek Vasut work in l4f00242t03.c, this driver provides
basic init and power on/off functionality for this device through the
sysfs lcd interface.
Unfortunately Datasheet for this device are not available and
all the control sequences sent to the display were copied from the
freescale driver that in the i.MX31 Linux BSP.
As in the i.MX31PDK board the core and io suppliers are voltage
regulators, that functionality is embedded here, but not strict.
Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Mode changing code was left out with the DSS driver remodeling. Add the
code back.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Clk sources were not initialized, leading to kernel crash, or possibly to
strange behaviour if DSI was compiled in.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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This patch enables the sh_mobile_lcdc driver on
SH-Mobile ARM.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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On PL111, as found on Realview and other platforms, these registers are
always arranged as CNTL then IENB. On PL110, these registers are IENB
then CNTL, except on Versatile platforms.
Re-arrange the handling of these register swaps so that PL111 always
gets it right without resorting to ifdefs, leaving the only case needing
special handling being PL110 on Versatile.
Fill out amba/clcd.h with the PL110/PL111 register definition
differences in case someone tries to use the PL110 specific definitions
on PL111.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Add very basic XVR-1000 framebuffer driver.
qlogicpti: Remove slash in QlogicPTI irq name
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Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Frans van Berckel <fberckel@xs4all.nl>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (56 commits)
doc: fix typo in comment explaining rb_tree usage
Remove fs/ntfs/ChangeLog
doc: fix console doc typo
doc: cpuset: Update the cpuset flag file
Fix of spelling in arch/sparc/kernel/leon_kernel.c no longer needed
Remove drivers/parport/ChangeLog
Remove drivers/char/ChangeLog
doc: typo - Table 1-2 should refer to "status", not "statm"
tree-wide: fix typos "ass?o[sc]iac?te" -> "associate" in comments
No need to patch AMD-provided drivers/gpu/drm/radeon/atombios.h
devres/irq: Fix devm_irq_match comment
Remove reference to kthread_create_on_cpu
tree-wide: Assorted spelling fixes
tree-wide: fix 'lenght' typo in comments and code
drm/kms: fix spelling in error message
doc: capitalization and other minor fixes in pnp doc
devres: typo fix s/dev/devm/
Remove redundant trailing semicolons from macros
fix typo "definetly" -> "definitely" in comment
tree-wide: s/widht/width/g typo in comments
...
Fix trivial conflict in Documentation/laptops/00-INDEX
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits)
ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock
ARM: S3C2443: Remove #if 0 for clk_mpll
ARM: S3C2443: Update notes on MPLLREF clock
ARM: S3C2443: Further clksrc-clk conversions
ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation
USB: Fix s3c-hsotg build following Samsung platform header moves
ARM: S3C64XX: Reintroduce unconditional build of audio device
ARM: 5961/1: ux500: fix CLKRST addresses
ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted
ASoC: Fix S3C64xx IIS driver for Samsung header reorg
ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support
[ARM] pxa: fix typo in mxm8x10.h
[ARM] pxa/raumfeld: set GPIO drive bits for LED pins
[ARM] pxa/zeus: Add support for mcp2515 CAN bus
[ARM] pxa/zeus: Add support for onboard max6369 watchdog
[ARM] pxa/zeus: Add Eurotech as the manufacturer
[ARM] pxa/zeus: Correct the USB host initialisation flags
[ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress
[ARM] pxa: refactor uncompress.h for non-PXA uarts
[ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs
...
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Remove duplicated #include('s) in
drivers/video/bfin-lq035q1-fb.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The function name must be followed by a space, hypen, space, and a short
description.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There was some conditionalizing for the LWMON5 boards in kernel source.
However infrastructure for enabling this isn't here so probably the
special case code can go as well.
Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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String constants that are continued on subsequent lines with \ will cause
spurious whitespace in the resulting output.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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An LCD controller driver for nuc900s. The Linux LOGO is just fine and the
FB-Test application was ok, too.
Signed-off-by: Wang Qiang <rurality.linux@gmail.com>
Cc: Wang Zongshun <mcuos.com@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
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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The config Option FB_SOFT_BUFFER was removed in
c465e05a03209651078b95686158648fd7ed84c5 ("fbcon/fbdev: Move softcursor
out of fbdev to fbcon").
While moving to fbcon this single driver has it left as a select in
KConfig / #ifdef in source. This last occurence is removed here so the
option is really gone
Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
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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This patch adds waveform storing capability to broadsheetfb. It uses the
firmware class to retrieve the waveform, and the request to initiate the
waveform storing is done via a driver sysfs entry, loadstore_waveform.
Broadsheet is a framebuffer device. It is slightly different from a
typical framebuffer controller that drives a normal TFT-LCD display. Most
E-Ink display panels require a waveform in order to function. That is, in
order to drive the state of a pixel to black, gray, or white, a specific
waveform is utilized. Basically, that waveform represents the specific
E-field wiggling needed to get the pixel to its optimal state given
current temperature, and its previous state. TN/IPS-LCDs use a similar
concept but the driving waveform is sufficiently simple that it is
internalized in the TFT source/gate driver.
These E-Ink waveforms are specific to a production batch. That is, a
batch of display films are produced, then they get characterized and a
waveform is generated for that batch. Broadsheet, typically, is attached
to its private SPI flash which is then flashed with this waveform.
Users won't be able to see the waveform and typically won't ever need to
know about it. If however, the display panel attached to broadsheet is
changed out, then they will need to update their waveform. That would
typically be done at a factory or repair facility rather than by a user.
[akpm@linux-foundation.org: fix printk warning]
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Allow boards with GP-MMIO controllers to provide hooks to broadsheetfb in
order to offload cmd/data writes and data reads instead of relying only on
host based GPIO wiggling.
Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for the color depth 15 on IGA1 and 30 on IGA1 and IGA2. To
allow the usage of those the driver now refuses color depth that are
totally off and otherwise the selection in viafb_check_var is used.
Therefore the first call to this for the first framebuffer was delayed a
bit. It only enables the new formats if they are requested exactly
(viafb_bpp=15|30).
As this is a new feature, no regressions are expected. The color depth 15
was successfully tested. Didn't get anything usable for 30 but that might
be the programs fault. I would like to get some feedback whether it works
as expected or not if somebody knows a program/configuration where it
should.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a rewritten version of viafb_setcolreg. The hardware register
writes were split up and moved to hw.c where they belong as this is really
low level stuff. It was made dual fb aware.
Furthermore viafb_setcmap was removed as the problem with 8bpp originated
from a bug in writing multiple color registers at once. The removal of
viafb_setcmap might introduce a small performance regression but its
certainly better to receive the correct result a bit slower than a garbled
picture fast. It should give us a working 8bpp mode and is more
extensible than the old hardcoded code. No other regressions are expected
but as the hardware might be a bit picky it might cause some regressions
in 8bpp mode on some hardware although I doubt that.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Do not require the virtual_xres to be aligned as line length is for such
purposes. Calculate always the smallest line length required.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make color checking a bit more tolerant in what values it allows and more
fine grained to later support 15 and 30 bits formats. It splits the
filling of the color information in var to a seperate function and sets
some color related values in var that where previously untouched.
This could be a bug fix but at least I don't know any applications that
was fooled by not correctly setting the fields in var. At least no
regressions are expected.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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