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This patch contains a total rewrite of the backlight infrastructure for
portable Apple computers. Backward compatibility is retained. A sysfs
interface allows userland to control the brightness with more steps than
before. Userland is allowed to upload a brightness curve for different
monitors, similar to Mac OS X.
[akpm@osdl.org: add needed exports]
Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Introduce irq controller and use it to manage auto vector interrupts.
Introduce setup_irq() which can be used for irq setup.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Rename IRQ1..IRQ7 to IRQ_AUTO_1..IRQ_AUTO_7 and remove the duplicate
defintions.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove VM_LOCKED before remap_pfn range from device drivers and get rid of
VM_SHM.
remap_pfn_range() already sets VM_IO. There is no need to set VM_SHM since
it does nothing. VM_LOCKED is of no use since the remap_pfn_range does not
place pages on the LRU. The pages are therefore never subject to swap
anyways. Remove all the vm_flags settings before calling remap_pfn_range.
After removing all the vm_flag settings no use of VM_SHM is left. Drop it.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Also revert patch "frv: ieee1394 is borken on frv", as it no longer is.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Jody McIntyre <scjody@modernduck.com>
Cc: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits)
[ARM] 3648/1: Update struct ucontext layout for coprocessor registers
[ARM] Add identifying number for non-rt sigframe
[ARM] Gather common sigframe saving code into setup_sigframe()
[ARM] Gather common sigframe restoration code into restore_sigframe()
[ARM] Re-use sigframe within rt_sigframe
[ARM] Merge sigcontext and sigmask members of sigframe
[ARM] Replace extramask with a full copy of the sigmask
[ARM] Remove rt_sigframe puc and pinfo pointers
[ARM] 3647/1: S3C24XX: add Osiris to the list of simtec pm machines
[ARM] 3645/1: S3C2412: irq support for external interrupts
[ARM] 3643/1: S3C2410: Add new usb clocks
[ARM] 3642/1: S3C24XX: Add machine SMDK2413
[ARM] 3641/1: S3C2412: Fixup gpio register naming
[ARM] 3640/1: S3C2412: Use S3C24XX_DCLKCON instead of S3C2410_DCLKCON
[ARM] 3639/1: S3C2412: serial port support
[ARM] 3638/1: S3C2412: core clocks
[ARM] 3637/1: S3C24XX: Add mpll clock, and set as fclk parent
[ARM] 3636/1: S3C2412: Add selection of CPU_ARM926
[ARM] 3635/1: S3C24XX: Add S3C2412 core cpu support
[ARM] 3633/1: S3C24XX: s3c2410 gpio bugfix - wrong pin nos
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This reverts commit 786dc1d3d7333f269e17d742886eac2188a2d9cc.
As Al so eloquently points out, the patch is crap. The old code was fine,
the new code was bogus.
It never dereferenced a user pointer, the "->" operator was to an array
member, which gives the _address_ of the member (in user space), not an
actual dereference at all.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: radeon constify radeon microcode
Add i915 ioctls to configure pipes for vblank interrupt.
drm: update radeon to 1.25 add r200 vertex program support
drm: radeon add a tcl state flush before accessing tcl vector space
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/intelfb-2.6
* 'intelfb-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/intelfb-2.6:
intelfb delousing
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (40 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Make auxio a real driver.
[PARPORT] sunbpp: Convert to new SBUS device framework.
[Documentation]: Update probing info in sbus_drivers.txt
[SCSI] qlogicpti: Convert to new SBUS device framework.
[SCSI] esp: Fix bug in esp_remove_common.
[NET] sunhme: Kill useless loop over sdevs in quattro_sbus_find().
[NET] myri_sbus: Kill unused next_module struct member.
[NET] myri_sbus: Convert to new SBUS device layer.
[NET] sunqe: Convert to new SBUS driver layer.
[NET] sunbmac: Convert over to new SBUS device framework.
[NET] sunlance: Convert to new SBUS driver framework.
[NET] sunhme: Convert to new SBUS driver framework.
[NET] sunhme: Kill __sparc__ and __sparc_v9__ ifdefs.
[SCSI] sparc: Port esp to new SBUS driver layer.
[SOUND] sparc: Port amd7930 to new SBUS device layer.
[SBUS]: Rewrite and plug into of_device framework.
[SPARC]: Port of_device layer and make ebus use it.
[SPARC]: Port sparc64 in-kernel device tree code to sparc32.
[SPARC64]: Add of_device layer and make ebus/isa use it.
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This is the minimal resume trace code to find which device resume (if
any) results in problems. Usually, you'd use the information this
generates as a starting point to adding more fine-grained trace event
points.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Considering that there isn't a lot of hw we can depend on during resume,
this is about as good as it gets.
This is x86-only for now, although the basic concept (and most of the
code) will certainly work on almost any platform.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Patch from Ben Dooks
Serial port support for the on-board UART blocks
on the Samsung S3C2412 and S3C2413 UARTs.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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From: Tilman (DRM CVS)
Signed-off-by: Dave Airlie <airlied@linux.ie>
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i915 vblanks can be generated from either pipe a or b, however a disabled
pipe generates no interrupts. This change allows the X server to select
which pipe generates vblank interrupts.
From: Keith Packard <keith.packard@intel.com> via DRM CVS
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Add support for r200 vertex programs (R200_EMIT_VAP_PVS_CNTL, and new
packet type for making it possible to address whole tcl vector space
and have a larger count)
From: Roland Scheidegger (DRM CVS)
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Do a tcl state flush before accessing tcl vector space. This fixes some
more problems with flickering (bug #6637). drm may not be appropriate
place for this, since doing that flush there might both be overkill and
insufficient in some cases. However, it's hard to figure out when that
flush is needed, so this has to suffice. There does not seem to be a
performance penalty associated with it.
From: Roland Scheidegger (DRM CVS)
Signed-off-by: Dave Airlie <airlied@linux.ie>
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ring_head is offset in card memory, not iomem pointer. Fixed, removed
fuckloads of amazingly bogus casts somebody had sprinkled all over the
place.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not try to kfree(esp), scsi_host_put() takes care of that.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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And make it a real PCI driver too.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use CONFIG_SPARC and CONFIG_SPARC64 instead.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This also turns the driver into a new-style scsi driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
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I severely apologize, I was still learning how to program
in C when I wrote this stuff 10 years ago...
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparcspkr and power drivers are converted, to make sure it works.
Eventually the SBUS device layer will use this as a sub-class.
I really cannot cut loose on that bit until sparc32 is given the
same infrastructure.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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One thing this change pointed out was that we really should
pull the "get 'local-mac-address' property" logic into a helper
function all the network drivers can call.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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In particular, move the IRQ probing out to sparc32/sparc64
arch specific code where it belongs.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prevent possible null dereference due to misplaced ;
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (258 commits)
[libata] conversion to new debug scheme, part 1 of $N
[PATCH] libata: Add ata_scsi_dev_disabled
[libata] Add host lock to struct ata_port
[PATCH] libata: implement per-dev EH action mask eh_info->dev_action[]
[PATCH] libata-dev: move the CDB-intr DMA blacklisting
[PATCH] ahci: disable NCQ support on vt8251
[libata] ahci: add JMicron PCI IDs
[libata] sata_nv: add PCI IDs
[libata] ahci: Add NVIDIA PCI IDs.
[PATCH] libata: convert several bmdma-style controllers to new EH, take #3
[PATCH] sata_via: convert to new EH, take #3
[libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handler
[PATCH] sata_nv: add hotplug support
[PATCH] sata_nv: convert to new EH
[PATCH] sata_nv: better irq handlers
[PATCH] sata_nv: simplify constants
[PATCH] sata_nv: kill struct nv_host_desc and nv_host
[PATCH] sata_nv: kill not-working hotplug code
[libata] Update docs to reflect current driver API
[PATCH] libata: add host_set->next for legacy two host_sets case, take #3
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drivers/cpufreq/cpufreq_ondemand.c: In function 'do_dbs_timer':
drivers/cpufreq/cpufreq_ondemand.c:374: warning: implicit declaration of function 'lock_cpu_hotplug'
drivers/cpufreq/cpufreq_ondemand.c:381: warning: implicit declaration of function 'unlock_cpu_hotplug'
drivers/cpufreq/cpufreq_conservative.c: In function 'do_dbs_timer':
drivers/cpufreq/cpufreq_conservative.c:425: warning: implicit declaration of function 'lock_cpu_hotplug'
drivers/cpufreq/cpufreq_conservative.c:432: warning: implicit declaration of function 'unlock_cpu_hotplug'
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The IDE power management can just use the ->end_io_data member to store
it's data.
Signed-off-by: Jens Axboe <axboe@suse.de>
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A process flag to indicate whether we are doing sync io is incredibly
ugly. It also causes performance problems when one does a lot of async
io and then proceeds to sync it. Part of the io will go out as async,
and the other part as sync. This causes a disconnect between the
previously submitted io and the synced io. For io schedulers such as CFQ,
this will cause us lost merges and suboptimal behaviour in scheduling.
Remove PF_SYNCWRITE completely from the fsync/msync paths, and let
the O_DIRECT path just directly indicate that the writes are sync
by using WRITE_SYNC instead.
Signed-off-by: Jens Axboe <axboe@suse.de>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET]: Require CAP_NET_ADMIN to create tuntap devices.
[NET]: fix net-core kernel-doc
[TCP]: Move inclusion of <linux/dmaengine.h> to correct place in <linux/tcp.h>
[IPSEC]: Handle GSO packets
[NET]: Added GSO toggle
[NET]: Add software TSOv4
[NET]: Add generic segmentation offload
[NET]: Merge TSO/UFO fields in sk_buff
[NET]: Prevent transmission after dev_deactivate
[IPV6] ADDRCONF: Fix default source address selection without CONFIG_IPV6_PRIVACY
[IPV6]: Fix source address selection.
[NET]: Avoid allocating skb in skb_pad
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (65 commits)
ACPI: suppress power button event on S3 resume
ACPI: resolve merge conflict between sem2mutex and processor_perflib.c
ACPI: use for_each_possible_cpu() instead of for_each_cpu()
ACPI: delete newly added debugging macros in processor_perflib.c
ACPI: UP build fix for bugzilla-5737
Enable P-state software coordination via _PDC
P-state software coordination for speedstep-centrino
P-state software coordination for acpi-cpufreq
P-state software coordination for ACPI core
ACPI: create acpi_thermal_resume()
ACPI: create acpi_fan_suspend()/acpi_fan_resume()
ACPI: pass pm_message_t from acpi_device_suspend() to root_suspend()
ACPI: create acpi_device_suspend()/acpi_device_resume()
ACPI: replace spin_lock_irq with mutex for ec poll mode
ACPI: Allow a WAN module enable/disable on a Thinkpad X60.
sem2mutex: acpi, acpi_link_lock
ACPI: delete unused acpi_bus_drivers_lock
sem2mutex: drivers/acpi/processor_perflib.c
ACPI add ia64 exports to build acpi_memhotplug as a module
ACPI: asus_acpi_init(): propagate correct return value
...
Manual resolve of conflicts in:
arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
include/acpi/processor.h
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While writing a version of losetup, I ran into the problem that the loop
device was returning total garbage.
It turns out the problem was that this losetup was only issuing the
LOOP_SET_FD ioctl and not issuing a subsequent LOOP_SET_STATUS ioctl. This
losetup didn't have any special status to set, so it left out the call.
The deeper cause is that loop_set_fd sets the transfer function to NULL,
which causes no transfer to happen lo_do_transfer.
This patch fixes the problem by setting transfer to transfer_none in
loop_set_fd.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Mark a few non-exported functions static.
Signed-off-by: Peter Hagervall <hager@cs.umu.se>
Cc: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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