Commit Graph

263625 Commits

Author SHA1 Message Date
Guenter Roeck
d91aae1e52 hwmon: (max16065) Add chip access warning to documentation
The chips supported by the max16065 driver should not be accessed using direct
i2ctools commands. Add warning to driver documentation to alert users.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
2011-09-06 08:56:06 -07:00
Guenter Roeck
ff71c182f4 hwmon: (max16065) Fix current calculation
Current calculation is completely wrong. Add missing brackets to fix it.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org # 3.0+
2011-09-06 08:56:06 -07:00
Linus Torvalds
ddf28352b8 Linux 3.1-rc5 2011-09-04 15:45:10 -07:00
Linus Torvalds
0b043686fd Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: make sure pci max read request size is valid on evergreen+ (v2)
  drm/radeon/kms: set a default max_pixel_clock
2011-09-02 08:27:01 -07:00
Linus Torvalds
4d7b5a116f Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: fix ->write_inode return values
  xfs: fix xfs_mark_inode_dirty during umount
  xfs: deprecate the nodelaylog mount option
2011-09-02 08:25:23 -07:00
Alex Deucher
d054ac16ee drm/radeon/kms: make sure pci max read request size is valid on evergreen+ (v2)
If the bios or OS sets the pci max read request size to 0 or an
invalid value (6,7), it can result in a hang or slowdown.  Check
and set it to something sane if it's invalid.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=42162

v2: use pci reg defines from include/linux/pci_regs.h

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-09-02 09:40:20 +01:00
Christoph Hellwig
58d84c4ee0 xfs: fix ->write_inode return values
Currently we always redirty an inode that was attempted to be written out
synchronously but has been cleaned by an AIL pushed internall, which is
rather bogus.  Fix that by doing the i_update_core check early on and
return 0 for it.  Also include async calls for it, as doing any work for
those is just as pointless.  While we're at it also fix the sign for the
EIO return in case of a filesystem shutdown, and fix the completely
non-sensical locking around xfs_log_inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
(cherry picked from commit 297db93bb74cf687510313eb235a7aec14d67e97)

Signed-off-by: Alex Elder <aelder@sgi.com>
2011-09-01 09:46:11 -05:00
Christoph Hellwig
866e4ed774 xfs: fix xfs_mark_inode_dirty during umount
During umount we do not add a dirty inode to the lru and wait for it to
become clean first, but force writeback of data and metadata with
I_WILL_FREE set.  Currently there is no way for XFS to detect that the
inode has been redirtied for metadata operations, as we skip the
mark_inode_dirty call during teardown.  Fix this by setting i_update_core
nanually in that case, so that the inode gets flushed during inode reclaim.

Alternatively we could enable calling mark_inode_dirty for inodes in
I_WILL_FREE state, and let the VFS dirty tracking handle this.  I decided
against this as we will get better I/O patterns from reclaim compared to
the synchronous writeout in write_inode_now, and always marking the inode
dirty in some way from xfs_mark_inode_dirty is a better safetly net in
either case.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
(cherry picked from commit da6742a5a4cc844a9982fdd936ddb537c0747856)

Signed-off-by: Alex Elder <aelder@sgi.com>
2011-08-31 17:59:39 -05:00
Linus Torvalds
b79c4f75e4 Merge tag 'for_linus-20110831' of git://github.com/tytso/ext4
* tag 'for_linus-20110831' of git://github.com/tytso/ext4:
  ext4: remove i_mutex lock in ext4_evict_inode to fix lockdep complaining
2011-08-31 15:08:19 -07:00
Linus Torvalds
fd53f7d8ee Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md:
  md/raid5: fix a hang on device failure.
  md: fix clearing of 'blocked' flag in the presence of bad blocks.
  md/linear: avoid corrupting structure while waiting for rcu_free to complete.
  md: use REQ_NOIDLE flag in md_super_write()
  md: ensure changes to 'write-mostly' are reflected in metadata.
  md: report failure if a 'set faulty' request doesn't.
2011-08-31 09:02:06 -07:00
Linus Torvalds
e9208a4eec Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/p1023rds: Fix the error of bank-width of nor flash
  powerpc/85xx: enable caam crypto driver by default
  powerpc/85xx: enable the audio drivers in the defconfigs
2011-08-31 08:58:36 -07:00
Jiaying Zhang
8c0bec2151 ext4: remove i_mutex lock in ext4_evict_inode to fix lockdep complaining
The i_mutex lock and flush_completed_IO() added by commit 2581fdc810
in ext4_evict_inode() causes lockdep complaining about potential
deadlock in several places.  In most/all of these LOCKDEP complaints
it looks like it's a false positive, since many of the potential
circular locking cases can't take place by the time the
ext4_evict_inode() is called; but since at the very least it may mask
real problems, we need to address this.

This change removes the flush_completed_IO() and i_mutex lock in
ext4_evict_inode().  Instead, we take a different approach to resolve
the software lockup that commit 2581fdc810 intends to fix.  Rather
than having ext4-dio-unwritten thread wait for grabing the i_mutex
lock of an inode, we use mutex_trylock() instead, and simply requeue
the work item if we fail to grab the inode's i_mutex lock.

This should speed up work queue processing in general and also
prevents the following deadlock scenario: During page fault,
shrink_icache_memory is called that in turn evicts another inode B.
Inode B has some pending io_end work so it calls ext4_ioend_wait()
that waits for inode B's i_ioend_count to become zero.  However, inode
B's ioend work was queued behind some of inode A's ioend work on the
same cpu's ext4-dio-unwritten workqueue.  As the ext4-dio-unwritten
thread on that cpu is processing inode A's ioend work, it tries to
grab inode A's i_mutex lock.  Since the i_mutex lock of inode A is
still hold before the page fault happened, we enter a deadlock.

Signed-off-by: Jiaying Zhang <jiayingz@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2011-08-31 11:50:51 -04:00
Dave Airlie
9adceaa5b3 drm/radeon/kms: set a default max_pixel_clock
On some Power rv100 cards, we have no ATY OF table, but we have
no combios table either, and hence we refuse all modes on VGA-0
since we end up with a 0 max pixel clock.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Cc: stable@kernel.org
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
2011-08-31 14:06:19 +01:00
NeilBrown
43220aa0f2 md/raid5: fix a hang on device failure.
Waiting for a 'blocked' rdev to become unblocked in the raid5d thread
cannot work with internal metadata as it is the raid5d thread which
will clear the blocked flag.
This wasn't a problem in 3.0 and earlier as we only set the blocked
flag when external metadata was used then.
However we now set it always, so we need to be more careful.

Signed-off-by: NeilBrown <neilb@suse.de>
2011-08-31 12:49:14 +10:00
Chunhe Lan
0c81e4b426 powerpc/p1023rds: Fix the error of bank-width of nor flash
In the p1023rds, a physical bus of nor flash is 16 bits width.
The bank-width is width (in bytes) of the bus width. So, the
value of bank-width of nor flash is not one, and it should be
two.

Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-08-30 21:27:33 -05:00
Kim Phillips
e09e2fb513 powerpc/85xx: enable caam crypto driver by default
corenet based SoCs have SEC4 h/w, so enable the SEC4 driver,
caam, and the algorithms it supports, and disable the
SEC2/3 driver, talitos.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-08-30 21:27:30 -05:00
Timur Tabi
39c428f753 powerpc/85xx: enable the audio drivers in the defconfigs
Enable the audio drivers in the non-corenet 85xx defconfigs so that audio
is enabled on the Freescale P1022DS reference board.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-08-30 21:27:29 -05:00
Linus Torvalds
9e79e3e9dd Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Only Panther cheetah+ chips have POPC.
2011-08-30 11:28:18 -07:00
Linus Torvalds
ebde8b0223 Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: add s/r quirk for Compaq Presario V5245EU
  drm/radeon/kms: evergreen & ni reset SPI block on CP resume
  drm: Fix the number of connector and encoder to cleanup functions
2011-08-30 10:34:24 -07:00
Geert Uytterhoeven
bd823821e6 bitops: Move find_next_bit.o from lib-y to obj-y
If there are no builtin users of find_next_bit_le() and
find_next_zero_bit_le(), these functions are not present in the kernel
image, causing m68k allmodconfig to fail with:

  ERROR: "find_next_zero_bit_le" [fs/ufs/ufs.ko] undefined!
  ERROR: "find_next_bit_le" [fs/udf/udf.ko] undefined!
  ...

This started to happen after commit 171d809df1 ("m68k: merge mmu and
non-mmu bitops.h"), as m68k had its own inline versions before.

commit 63e424c844 ("arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,
BIT_LE, LAST_BIT}") added find_last_bit.o to obj-y (so it's always
included), but find_next_bit.o to lib-y (so it gets removed by the
linker if there are no builtin users).

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-30 10:12:05 -07:00
Alex Deucher
302a8e8b06 drm/radeon/kms: add s/r quirk for Compaq Presario V5245EU
Fixes resume on Compaq Presario V5245EU.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=41642

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-08-30 10:55:20 +01:00
Jerome Glisse
a49a50dad4 drm/radeon/kms: evergreen & ni reset SPI block on CP resume
For some reason SPI block is in broken state after module
unloading. This lead to broken rendering after reloading
module. Fix this by reseting SPI block in CP resume function

Signed-off-by: Jerome Glisse <jglisse@redhat.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-08-30 10:55:10 +01:00
NeilBrown
7da64a0abc md: fix clearing of 'blocked' flag in the presence of bad blocks.
When the 'blocked' flag on a device is cleared while there are
unacknowledged bad blocks we must fail the device.  This is needed for
backwards compatability of the interface.

The code currently uses the wrong test for "unacknowledged bad blocks
exist".  Change it to the right test.

Signed-off-by: NeilBrown <neilb@suse.de>
2011-08-30 16:20:17 +10:00
David S. Miller
1a8e0da593 sparc64: Only Panther cheetah+ chips have POPC.
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-29 21:14:29 -07:00
Linus Torvalds
90e93648c4 Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: pm: avoid writing the auxillary control register for ARMv7
  ARM: pm: some ARMv7 requires a dsb in resume to ensure correctness
  ARM: pm: arm920/926: fix number of registers saved
  ARM: pm: CPU specific code should not overwrite r1 (v:p offset)
  ARM: 7066/1: proc-v7: disable SCTLR.TE when disabling MMU
  ARM: 7065/1: kexec: ensure new kernel is entered in ARM state
  ARM: 7003/1: vexpress: Add clock definition for the SP805.
  ARM: 7051/1: cpuimx* boards: fix mach-types errors
  ARM: 7019/1: Footbridge: select CLKEVT_I8253 for ARCH_NETWINDER
  ARM: 7015/1: ARM errata: Possible cache data corruption with hit-under-miss enabled
  ARM: 7014/1: cache-l2x0: Fix L2 Cache size calculation.
  ARM: 6967/1: ep93xx: ts72xx: fix board model detection
  ARM: 6965/1: ep93xx: add model detection for ts-7300 and ts-7400 boards
  ARM: cache: detect VIPT aliasing I-cache on ARMv6
  ARM: twd: register clockevents device before enabling PPI
  ARM: realview: ensure visibility of writes during reset
  ARM: perf: make name of arm_pmu_type consistent
  ARM: perf: fix prototype of release_pmu
  ARM: fix perf build with uclibc toolchains
2011-08-29 16:34:07 -07:00
Linus Torvalds
3ae627b5a6 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc:
  ARM: mach-footbridge: add missing header file <video/vga.h>
  ARM: mach-orion5x: add missing header file <linux/vga.h>
  arm: fix compile failure in orion5x/dns323-setup.c
  at91: at91sam9261.c: fix typo in t2_clk alias for atmel_tcb.0
  ARM: S5P: fix bug in spdif_clk_get_rate
  ARM: EXYNOS4: Add restart hook for proper reboot
  ARM: EXYNOS4: Increase reset delay for USB HOST PHY
  ARM: S5P: add required chained_irq_enter/exit to gpio-int code
  ARM: EXYNOS4: add required chained_irq_enter/exit to eint code
  ARM: SAMSUNG: Add chained enrty/exit call to timer interrupt handler
  ARM: S3C64XX: Fix build break in PM debug
  ARM: S5PV210: Fix build warning
  ARM: EXYNOS4: Fix the IRQ definitions for MIPI CSIS device
  ARM: EXYNOS4: remove duplicated inclusion
  ARM: EXYNOS4: Fix wrong devname to support clkdev
  ARM: EXYNOS4: Use the correct regulator names on universal_c210
  ARM: SAMSUNG: Fix Section mismatch in samsung_bl_set()
  ARM: S5P64X0: Replace irq_gc_ack() with irq_gc_ack_set_bit()
2011-08-29 16:33:32 -07:00
Stephen Rothwell
d4d7b2a11c remove remaining references to nfsservctl
These were missed in commit f5b9409973 "All Arch: remove linkage
for sys_nfsservctl system call" due to them having no sys_ prefix
(presumably).

Cc: NeilBrown <neilb@suse.de>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: James Bottomley <James.Bottomley@hansenpartnership.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-29 16:31:59 -07:00
Linus Torvalds
0f43dd546d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (42 commits)
  netpoll: fix incorrect access to skb data in __netpoll_rx
  cassini: init before use in cas_interruptN.
  can: ti_hecc: Fix uninitialized spinlock in probe
  can: ti_hecc: Fix unintialized variable
  net: sh_eth: fix the compile error
  net/phy: fix DP83865 phy interrupt handler
  sendmmsg/sendmsg: fix unsafe user pointer access
  ibmveth: Fix leak when recycling skb and hypervisor returns error
  arp: fix rcu lockdep splat in arp_process()
  bridge: fix a possible use after free
  bridge: Pseudo-header required for the checksum of ICMPv6
  mcast: Fix source address selection for multicast listener report
  MAINTAINERS: Update GIT trees for network development
  ath9k: Fix PS wrappers in ath9k_set_coverage_class
  carl9170: Fix mismatch in carl9170_op_set_key mutex lock-unlock
  wl12xx: add max_sched_scan_ssids value to the hw description
  wl12xx: Fix validation of pm_runtime_get_sync return value
  wl12xx: Remove obsolete testmode NVS push command
  bcma: add uevent to the bus, to autoload drivers
  ath9k_hw: Fix STA (AR9485) bringup issue due to incorrect MAC address
  ...
2011-08-29 13:38:29 -07:00
Linus Torvalds
2cd6c7f7f1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc32,sun4d: Change IPI IRQ level to prevent collision between IPI and timer interrupt
  sparc: Remove another reference to nfsservctl
2011-08-29 13:37:42 -07:00
Linus Torvalds
380dc20088 Merge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x
* 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x:
  ARM: mach-shmobile: sh7372 CMT3 and CMT4 clock support
  ARM: mach-shmobile: sh7372 MSIOF clock support
  ARM: mach-shmobile: clock-sh7372: fixup USB-DMAC1 settings
  ARM: mach-shmobile: clock-sh73a0: tidyup CKSCR main clock selecter
  ARM: mach-shmobile: Remove 3DG/SGX from sh7372 INTCS
  ARM: mach-shmobile: mackerel: Add USB-DMA ID
  mmc: sdhi, mmcif: zboot: Correct clock disable logic
  ARM: mach-shmobile: ag5evm: SDHI requires waiting for idle
  ARM: static should be at beginning of declaration
  ARM: mach-shmobile: Use CMT2 for timer on sh7372
  ARM: mach-shmobile: sh7372: Add USB-DMAC support
2011-08-29 13:37:17 -07:00
Linus Torvalds
c42a2634d8 Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x:
  sh: fix the compile error in setup-sh7757.c
  serial: sh-sci: report CTS as active for get_mctrl
  sh: Add unaligned memory access for PC relative intructions
  sh: Fix unaligned memory access for branches without delay slots
  sh: Fix up fallout from cpuidle changes.
  serial: sh-sci: console Runtime PM support
  sh: Fix conflicting definitions of ptrace_triggered
  serial: sh-sci: fix DMA build by including dma-mapping.h
  serial: sh-sci: Fix up default regtype probing.
  sh: intc: enable both edges GPIO interrupts on sh7372
  shwdt: fix usage of mod_timer
  clocksource: sh_cmt: wait for CMCNT on init V2
2011-08-29 13:34:48 -07:00
Florian Tobias Schandinat
f9557a4477 MAINTAINERS: change framebuffer maintainer
As Paul has not much time for it I take over maintaining the
framebuffer subsystem.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-29 10:13:29 -07:00
Kjetil Oftedal
38f7f8f05e sparc32,sun4d: Change IPI IRQ level to prevent collision between IPI and timer interrupt
On Sun4d systems running in SMP mode, IRQ 14 is used for timer interrupts
and has a specialized interrupt handler. IPI is currently set to use IRQ 14
as well, which causes it to trigger the timer interrupt handler, and not the
IPI interrupt handler.

The IPI interrupt is therefore changed to IRQ 13, which is the highest
normally handled interrupt. This IRQ is also used for SBUS interrupts,
however there is nothing in the IPI/SBUS interrupt handlers that indicate
that they will not handle sharing the interrupt.
(IRQ 13 is indicated as audio interrupt, which is unlikely to be found in a
sun4d system)

Signed-off-by: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-29 09:20:40 -07:00
Stephen Rothwell
2ee04a1069 sparc: Remove another reference to nfsservctl
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-29 09:19:24 -07:00
Joonyoung Shim
6380c50921 drm: Fix the number of connector and encoder to cleanup functions
It is left out the code to decrease the number of connector and encoder
to the cleanup functions.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-08-29 11:47:35 +01:00
Magnus Damm
a408baea3c ARM: mach-shmobile: sh7372 CMT3 and CMT4 clock support
Add clock control support for sh7372 CMT hardware blocks.

No upstream sh7372 boards are making use of CMT3 + CMT4,
but the sh7372 hardware happens to come out of reset with
all CMT MSTP clocks _enabled_, so to save power we need
to implement a fix in software to shut down unused clocks.

This patch relies on the recently merged

 794d78f drivers: sh: late disabling of clocks V2

to make sure the unused clocks get disabled as expected.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 16:41:02 +09:00
Magnus Damm
7ceb6666f0 ARM: mach-shmobile: sh7372 MSIOF clock support
Add clock control support for sh7372 MSIOF hardware blocks.

No upstream sh7372 boards are making use of MSIOF0->2,
but the sh7372 hardware happens to come out of reset with
all MSIOF MSTP clocks _enabled_, so to save power we need
to implement a fix in software to shut down unused clocks.

This patch relies on the recently merged

 794d78f drivers: sh: late disabling of clocks V2

to make sure the unused clocks get disabled as expected.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 16:39:58 +09:00
Kuninori Morimoto
6b4cb8ffe8 ARM: mach-shmobile: clock-sh7372: fixup USB-DMAC1 settings
USB-DMAC1 needs SMSTPCR4/MSTP407 controls, not MSTP214
this patch tested on mackerel board

Reported-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 16:37:38 +09:00
Kuninori Morimoto
86d84083cf ARM: mach-shmobile: clock-sh73a0: tidyup CKSCR main clock selecter
MAINCKSEL is [29:28], not [27:24]

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 16:22:39 +09:00
Magnus Damm
4861da4fee ARM: mach-shmobile: Remove 3DG/SGX from sh7372 INTCS
This patch removes support for the SGX interrupt source in
the sh7372 INTCS controller.

The SGX hardware block included in sh7372 is already hooked
up to the ARM Cortex-A8 core using the INTCA controller,
so SGX users are encouraged to make use of that interrupt
source instead.

Removing support for the SGX interrupt source in INTCS
simplifies the sh7372 power management code by allowing
us to assume that only INTCA needs to be powered on to
operate the SGX hardware.

If the INTCS interrupt source would be kept then the kernel
would be forced to deal with additional dependencies that does
not follow the regular power domain hiearachy. With this
patch in place we can safely power down INTCS while the
SGX is operating.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 16:13:10 +09:00
Paul Mundt
8a1c049aa9 Merge branch 'rmobile/dma' into rmobile-fixes-for-linus 2011-08-29 16:10:24 +09:00
Yoshihiro Shimoda
21d41f2b31 sh: fix the compile error in setup-sh7757.c
Fix the following build errors:

  CC      arch/sh/kernel/cpu/sh4a/setup-sh7757.o
arch/sh/kernel/cpu/sh4a/setup-sh7757.c:681: error: implicit declaration of function ‘DMA_BIT_MASK’
arch/sh/kernel/cpu/sh4a/setup-sh7757.c:681: error: initializer element is not constant
arch/sh/kernel/cpu/sh4a/setup-sh7757.c:681: error: (near initialization for ‘usb_ehci_device.dev.coherent_dma_mask’)
arch/sh/kernel/cpu/sh4a/setup-sh7757.c:705: error: initializer element is not constant
arch/sh/kernel/cpu/sh4a/setup-sh7757.c:705: error: (near initialization for ‘usb_ohci_device.dev.coherent_dma_mask’)
make[3]: *** [arch/sh/kernel/cpu/sh4a/setup-sh7757.o] Error 1

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 15:47:38 +09:00
Yoshii Takashi
4480a688b2 serial: sh-sci: report CTS as active for get_mctrl
sh-sci.c sets hardware up and then let the HW do all flow controls.
There is no software code, nor needs to get/set real CTS signal.

But, when turning CRTSCTS on through termios, uart_set_termios() in
serial_core.c checks CTS, and stops TX if it is inactive at the moment.

Because sci_get_mctrl() returns a fixed value DTR|RTS|DSR but CTS,
the sequence
  open -> set CRTSCTS -> write
hit the case and stop working, no more outputs.

This patch makes sci_get_mctrl() report CTS in addition.

Signed-off-by: Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 15:47:33 +09:00
Phil Edworthy
34f7145a63 sh: Add unaligned memory access for PC relative intructions
This adds unaligned memory access support for the following instructions:
  mov.w @(disp,PC),Rn
  mov.l @(disp,PC),Rn

These instructions are often used on SH2A toolchains.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 15:32:10 +09:00
Phil Edworthy
0710b91c51 sh: Fix unaligned memory access for branches without delay slots
This patch just clears the return code for those cases where an
unaligned memory access occurs on branch instructions without a
delay slot.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-08-29 15:32:04 +09:00
Linus Torvalds
c6a389f123 Linux 3.1-rc4 2011-08-28 21:16:01 -07:00
Linus Torvalds
c11a7e26f8 Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ARM: mach-shmobile: sh7372 LCDC1 suspend fix V2 (incremental)
  OMAP: omap_device: only override _noirq methods, not normal suspend/resume
  PM / Runtime: Correct documentation of pm_runtime_irq_safe()
  ARM: mach-shmobile: sh7372 LCDC1 suspend fix
  sh-sci / PM: Use power.irq_safe
  PM: Use spinlock instead of mutex in clock management functions
2011-08-28 10:05:39 -07:00
Russell King
2590415716 ARM: pm: avoid writing the auxillary control register for ARMv7
For ARMv7 kernels running in the non-secure world, writing to the
auxillary control register causes an abort, so we must avoid directly
writing the auxillary control register.  If the ACR has already been
reinitialized by SoC code, don't try to restore it.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-28 10:39:54 +01:00
Russell King
f35235a315 ARM: pm: some ARMv7 requires a dsb in resume to ensure correctness
Add a dsb after the isb to ensure that the previous writes to the
CP15 registers take effect before we enable the MMU.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-28 10:39:54 +01:00
Russell King
1c0270cd3a ARM: pm: arm920/926: fix number of registers saved
ARM920 and ARM926 save four registers, not three.  Fix the size of
the suspend region required.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-28 10:39:54 +01:00