pandora-kernel.git
14 years agoarm: omap4: panda: remove usb_nop_xceiv_register(v1)
Ming Lei [Wed, 5 Jan 2011 14:03:21 +0000 (14:03 +0000)]
arm: omap4: panda: remove usb_nop_xceiv_register(v1)

Panda uses both twl6030 otg phy(vbus, id) and internal
phy(data lines, DP/DM), so removes usb_nop_xceiv_register to make
twl6030 otg driver working since current otg code only supports
one global transceiver. Otherwise, musb doesn't work without
the remove.

Reviewd-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agomach-omap2: mux: world-writable debugfs files
Vasiliy Kulikov [Fri, 4 Feb 2011 12:23:13 +0000 (12:23 +0000)]
mach-omap2: mux: world-writable debugfs files

Do not create mux debugfs files as world-writable.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agomach-omap2: pm: world-writable debugfs timer files
Vasiliy Kulikov [Fri, 4 Feb 2011 12:23:16 +0000 (12:23 +0000)]
mach-omap2: pm: world-writable debugfs timer files

Don't allow all users to change timer settings.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agomach-omap2: smartreflex: world-writable debugfs voltage files
Vasiliy Kulikov [Fri, 4 Feb 2011 12:23:20 +0000 (12:23 +0000)]
mach-omap2: smartreflex: world-writable debugfs voltage files

Don't allow everybody to change voltage settings.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoLinux-omap rebuilt: Updated to -rc3, merged in fixes
Tony Lindgren [Wed, 2 Feb 2011 01:15:28 +0000 (17:15 -0800)]
Linux-omap rebuilt: Updated to -rc3, merged in fixes

$ git checkout -b tmp-rebuild-1296609320 linus
$ git merge -m "Merge for-next omap-testing cbus" for-next omap-testing cbus
$ git merge -s ours master
$ git checkout master
$ git merge tmp-rebuild-1296609320

To view the changes since the last rebuild, please do
$ git diff dae50dac711cfc55478f01c627eadf1d29f15eab..73b95cc28fa4006d4cd1296a7c296bbad249c4c9 arch/arm/*omap*/

14 years agoMerge for-next omap-testing cbus
Tony Lindgren [Wed, 2 Feb 2011 01:15:21 +0000 (17:15 -0800)]
Merge for-next omap-testing cbus

14 years agoMerge branches 'devel-fixes' and 'devel-board' into for-next
Tony Lindgren [Wed, 2 Feb 2011 01:14:50 +0000 (17:14 -0800)]
Merge branches 'devel-fixes' and 'devel-board' into for-next

14 years agoOMAP3: Devkit8000: Change lcd power pin
Thomas Weber [Thu, 20 Jan 2011 15:41:48 +0000 (15:41 +0000)]
OMAP3: Devkit8000: Change lcd power pin

This patch fixes a wrongly used lcd enable pin.

The Devkit8000 uses twl4030_ledA configured as output gpio only for
the lcd enable line. twl4030_gpio.1 is used through the generic
gpio functions while ledA is used via low level twl4030 calls.

This patch removes the low level calls and use the generic gpio functions
for initialization and use of ledA. This patch also fixes a bug where the
lcd would not power down when blanking.

Further this patch fixes an indentation issue. The comment line uses
eight whitespace and is replaced with a hard tab.

gpio_request + gpio_direction_output are replaced with gpio_request_one.
The return value of gpio_request_one is used to set the value of the
gpio to -EINVAL when unsuccessful, so that gpio_is_valid can detect the
unsuccessful request. But already successful requested gpios are not freed.

Reported-by: Daniel Morsing <daniel.morsing@gmail.com>
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoomap: fix fncpy API call
Jean Pihet [Tue, 25 Jan 2011 17:48:06 +0000 (17:48 +0000)]
omap: fix fncpy API call

Fix a potential problem with function types when calling the
fncpy API to copy the PM code functions to SRAM.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoomap1: remove duplicated #include
Huang Weiyi [Fri, 28 Jan 2011 14:04:38 +0000 (14:04 +0000)]
omap1: remove duplicated #include

Remove duplicated #include('s) in
  arch/arm/mach-omap1/time.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoarm: mach-omap2: mux: free allocated memory on error exit
Aaro Koskinen [Fri, 28 Jan 2011 14:50:55 +0000 (14:50 +0000)]
arm: mach-omap2: mux: free allocated memory on error exit

Free allocated memory on error exit.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoarm: mach-omap2: board-rm680: fix rm680_vemmc regulator constraints
Aaro Koskinen [Tue, 1 Feb 2011 15:36:28 +0000 (15:36 +0000)]
arm: mach-omap2: board-rm680: fix rm680_vemmc regulator constraints

With the commit 757902513019e6ee469791ff76f954b19ca8d036 (regulator:
Factor out voltage set operation into a separate function) fixed voltage
regulator setup will fail if there are voltage constraints defined. This
made MMC unusable on this board. Fix by just deleting those redundant
constraints.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Reviewed-by: Jarkko Nikula <jhnikula@gmail.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoLinux 2.6.38-rc3 v2.6.38-rc3
Linus Torvalds [Tue, 1 Feb 2011 03:05:49 +0000 (13:05 +1000)]
Linux 2.6.38-rc3

14 years agoMerge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
Linus Torvalds [Mon, 31 Jan 2011 23:41:02 +0000 (09:41 +1000)]
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  NFS: NFSv4 readdir loses entries
  NFS: Micro-optimize nfs4_decode_dirent()
  NFS: Fix an NFS client lockdep issue
  NFS construct consistent co_ownerid for v4.1
  NFS: nfs_wcc_update_inode() should set nfsi->attr_gencount
  NFS improve pnfs_put_deviceid_cache debug print
  NFS fix cb_sequence error processing
  NFS do not find client in NFSv4 pg_authenticate
  NLM: Fix "kernel BUG at fs/lockd/host.c:417!" or ".../host.c:283!"
  NFS: Prevent memory allocation failure in nfsacl_encode()
  NFS: nfsacl_{encode,decode} should return signed integer
  NFS: Fix "kernel BUG at fs/nfs/nfs3xdr.c:1338!"
  NFS: Fix "kernel BUG at fs/aio.c:554!"
  NFS4: Avoid potential NULL pointer dereference in decode_and_add_ds().
  NFS: fix handling of malloc failure during nfs_flush_multi()

14 years agoMerge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Mon, 31 Jan 2011 22:30:31 +0000 (08:30 +1000)]
Merge branch 'fixes' of /home/rmk/linux-2.6-arm

* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: smp_on_up: allow non-ARM SMP processors
  ARM: io: ensure inb/outb() et.al. are properly ordered on ARMv6+
  ARM: initrd: disable initrd if passed address overlaps reserved region
  ARM: footbridge: fix debug macros
  ARM: mmci: round down the bytes transferred on error
  ARM: mmci: complete the transaction on error
  ARM: 6642/1: mmci: calculate remaining bytes at error correctly

14 years agoMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 31 Jan 2011 22:27:55 +0000 (08:27 +1000)]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  arch/arm/mach-omap2/dma.c: Convert IS_ERR result to PTR_ERR
  arm: omap2: mux: fix compile warning
  omap1: Simplify use of omap_irq_flags
  omap2+: Fix unused variable warning for omap_irq_base

14 years agokernel.h: fix kernel-doc warning
Randy Dunlap [Mon, 31 Jan 2011 17:29:14 +0000 (09:29 -0800)]
kernel.h: fix kernel-doc warning

Fix kernel-doc warning in kernel.h from commit 7ef88ad56145
("BUILD_BUG_ON: make it handle more cases"):

  Warning(include/linux/kernel.h:605): No description found for parameter 'condition'
  Warning(include/linux/kernel.h:605): Excess function parameter 'cond' description in 'BUILD_BUG_ON'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Mon, 31 Jan 2011 22:15:40 +0000 (08:15 +1000)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: xfs_bmap_add_extent_delay_real should init br_startblock
  xfs: fix dquot shaker deadlock
  xfs: handle CIl transaction commit failures correctly
  xfs: limit extsize to size of AGs and/or MAXEXTLEN
  xfs: prevent extsize alignment from exceeding maximum extent size
  xfs: limit extent length for allocation to AG size
  xfs: speculative delayed allocation uses rounddown_power_of_2 badly
  xfs: fix efi item leak on forced shutdown
  xfs: fix log ticket leak on forced shutdown.

14 years agovirtio: update MAINTAINERS
Michael S. Tsirkin [Mon, 31 Jan 2011 06:16:20 +0000 (16:46 +1030)]
virtio: update MAINTAINERS

Patches should keep coming through Rusty but it helps if I'm Cc'd as
well.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Mon, 31 Jan 2011 22:07:40 +0000 (08:07 +1000)]
Merge branch 'usb-linus' of git://git./linux/kernel/git/gregkh/usb-2.6

* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (42 commits)
  usb: gadget: composite: avoid access beyond array max length
  USB: serial: handle Data Carrier Detect changes
  USB: gadget: Fix endpoint representation in ci13xxx_udc
  USB: gadget: Fix error path in ci13xxx_udc gadget probe function
  usb: pch_udc: Fix the worning log issue at gadget driver remove
  USB: serial: Updated support for ICOM devices
  USB: ehci-mxc: add work-around for efika mx/sb bug
  USB: unbreak ehci-mxc on otg port of i.MX27
  drivers: update to pl2303 usb-serial to support Motorola cables
  USB: adding USB support for Cinterion's HC2x, EU3 and PH8 products
  USB serial: add missing .usb_driver field in serial drivers
  USB: ehci-fsl: Fix 'have_sysif_regs' detection
  USB: g_printer: fix bug in module parameter definitions
  USB: g_printer: fix bug in unregistration
  USB: uss720: remove duplicate USB device
  MAINTAINERS: add ueagle-atm entry
  USB: EHCI: fix DMA deallocation bug
  USB: pch_udc: support new device ML7213 IOH
  usb: pch_udc: Fixed issue which does not work with g_serial
  usb: set ep_dev async suspend should be later than device_initialize
  ...

14 years agoMerge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Mon, 31 Jan 2011 22:06:31 +0000 (08:06 +1000)]
Merge branch 'staging-linus' of git://git./linux/kernel/git/gregkh/staging-2.6

* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (26 commits)
  staging: r8712u: Add new device IDs
  staging: brcm80211: fix suspend/resume issue in brcmsmac
  staging: brcm80211: remove assert to avoid panic since 2.6.37 kernel
  Staging: iio: Aditional fixpoint formatted output bugfix
  staging: usbip: vhci: use urb->dev->portnum to find port
  staging: usbip: vhci: handle EAGAIN from SO_RCVTIMEO
  staging: usbip: vhci: friendly log messages for connection errors
  staging: usbip: vhci: refuse to enqueue for dead connections
  staging: usbip: vhci: give back URBs from in-flight unlink requests
  staging: usbip: vhci: update reference count for usb_device
  staging: usbip: stub: update refcounts for devices and interfaces
  staging: tidspbridge: replace mbox callback with notifier_call
  staging: comedi: ni_labpc: Use shared IRQ for PCMCIA card
  Staging: speakup: &&/|| confusion in silent_store()
  iio: Fixpoint formatted output bugfix
  staging: rt2860: Fix incorrect netif_stop_queue usage warning
  staging: r8712u: Fix memory leak in firmware loading
  staging: tidspbridge: configure full L1 MMU range
  staging: rt2870sta: Add ID for Linksys WUSB100v2
  Staging: xgfib: put parenthesis in the right place
  ...

14 years agoMerge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Mon, 31 Jan 2011 22:05:19 +0000 (08:05 +1000)]
Merge branch 'tty-linus' of git://git./linux/kernel/git/gregkh/tty-2.6

* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
  tty/serial: fix apbuart build
  n_hdlc: fix read and write locking
  serial: unbreak billionton CF card
  tty: use for_each_console() and WARN() on sysfs failures
  vt: fix issue when fbcon wants to takeover a second time.

Fix up trivial conflict in drivers/tty/tty_io.c

14 years agoARM: smp_on_up: allow non-ARM SMP processors
Russell King [Sun, 30 Jan 2011 16:40:20 +0000 (16:40 +0000)]
ARM: smp_on_up: allow non-ARM SMP processors

Allow non-ARM SMP processors to use the SMP_ON_UP feature.  CPUs
supporting SMP must have the new CPU ID format, so check for this first.
Then check for ARM11MPCore, which fails the MPIDR check.  Lastly check
the MPIDR reports multiprocessing extensions and that the CPU is part of
a multiprocessing system.

Cc: <stable@kernel.org>
Reported-and-Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoMerge branch 'for_2.6.38/pm-fixes' of ssh://master.kernel.org/pub/scm/linux/kernel...
Tony Lindgren [Mon, 31 Jan 2011 21:20:26 +0000 (13:20 -0800)]
Merge branch 'for_2.6.38/pm-fixes' of ssh:///linux/kernel/git/khilman/linux-omap-pm into devel-fixes

14 years agoOMAP: PM: SmartReflex: Fix possible null pointer read access
Stefan Weil [Sun, 30 Jan 2011 19:29:38 +0000 (20:29 +0100)]
OMAP: PM: SmartReflex: Fix possible null pointer read access

These errors were found by cppcheck:
arch/arm/mach-omap2/smartreflex.c:784: error: Possible null pointer dereference: sr_info
arch/arm/mach-omap2/smartreflex.c:799: error: Possible null pointer dereference: sr_info

Both conditional statements are executed when sr_info == NULL,
so accessing sr_info->voltdm would fail.

Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Kevin Hilman <khilman@ti.com>
14 years agoOMAP: PM: SmartReflex: Fix possible memory leak
Stefan Weil [Sun, 30 Jan 2011 19:26:27 +0000 (20:26 +0100)]
OMAP: PM: SmartReflex: Fix possible memory leak

sr_info was allocated and needs a kfree before returning.

This error was reported by cppcheck:
arch/arm/mach-omap2/smartreflex.c:837: error: Memory leak: sr_info

To: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-omap@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Acked-by: Shweta Gulati <shweta.gulati@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
14 years agoarm: mach-omap2: voltage: debugfs: fix memory leak
Aaro Koskinen [Fri, 28 Jan 2011 16:24:11 +0000 (18:24 +0200)]
arm: mach-omap2: voltage: debugfs: fix memory leak

The temporary string holding the directory name to be created should
be released.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
14 years agoARM: io: ensure inb/outb() et.al. are properly ordered on ARMv6+
Russell King [Sun, 30 Jan 2011 11:29:40 +0000 (11:29 +0000)]
ARM: io: ensure inb/outb() et.al. are properly ordered on ARMv6+

Ensure that the ISA/PCI IO space accessors are properly ordered on
ARMv6+ architectures.  These should always be ordered with respect to
all other accesses.

This also fixes __iormb() and __iowmb() not being visible to ioread/
iowrite if a platform defines its own MMIO accessors.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: initrd: disable initrd if passed address overlaps reserved region
Russell King [Sun, 30 Jan 2011 11:21:05 +0000 (11:21 +0000)]
ARM: initrd: disable initrd if passed address overlaps reserved region

Disable the initrd if the passed address already overlaps the reserved
region.  This avoids oopses on Netwinders when NeTTrom tells the kernel
that an initrd is located at mem+4MB, but this overlaps the BSS,
resulting in the kernels in-use BSS being freed.

This should be applied to v2.6.37-stable.

Cc: <stable@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: footbridge: fix debug macros
Russell King [Fri, 28 Jan 2011 20:57:57 +0000 (20:57 +0000)]
ARM: footbridge: fix debug macros

0ea1293 (arm: return both physical and virtual addresses from addruart)
changed the way the 'addruart' worked, making it return both the virt
and phys addresses.  Unfortunately, for footbridge, these were reversed.
Fix that.  Tested on Netwinder.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: mmci: round down the bytes transferred on error
Russell King [Sun, 30 Jan 2011 21:06:53 +0000 (21:06 +0000)]
ARM: mmci: round down the bytes transferred on error

We should not report incomplete blocks on error.  Return the number of
bytes successfully transferred, rounded down to the nearest block.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: mmci: complete the transaction on error
Russell King [Sun, 30 Jan 2011 21:03:50 +0000 (21:03 +0000)]
ARM: mmci: complete the transaction on error

When we encounter an error, make sure we complete the transaction
otherwise we'll leave the request dangling.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoMerge branch 'for-linus' of git://git.infradead.org/ubi-2.6
Linus Torvalds [Mon, 31 Jan 2011 03:04:51 +0000 (13:04 +1000)]
Merge branch 'for-linus' of git://git.infradead.org/ubi-2.6

* 'for-linus' of git://git.infradead.org/ubi-2.6:
  Revert "UBI: use mtd->writebufsize to set minimal I/O unit size"

14 years agoInput: rc-keymap - return KEY_RESERVED for unknown mappings
Dmitry Torokhov [Sat, 29 Jan 2011 07:33:29 +0000 (23:33 -0800)]
Input: rc-keymap - return KEY_RESERVED for unknown mappings

Do not respond with -EINVAL to EVIOCGKEYCODE for not-yet-mapped
scancodes, but rather return KEY_RESERVED.

This fixes breakage with Ubuntu's input-kbd utility that stopped
returning full keymaps for remote controls.

Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Mark Lord <kernel@teksavvy.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Mon, 31 Jan 2011 03:02:34 +0000 (13:02 +1000)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics - retry failed resets when reconnecting
  Input: synaptics - fix reconnect logic on MT devices
  Input: tegra-kbc - fix keymap entry for LeftMeta key
  Input: tegra-kbc - fix build error

14 years agoFix prlimit64 for suid/sgid processes
Kacper Kornet [Fri, 28 Jan 2011 23:21:04 +0000 (00:21 +0100)]
Fix prlimit64 for suid/sgid processes

Since check_prlimit_permission always fails in the case of SUID/GUID
processes, such processes are not able to read or set their own limits.
This commit changes this by assuming that process can always read/change
its own limits.

Signed-off-by: Kacper Kornet <kornet@camk.edu.pl>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agointel_scu_ipc: remove duplicated #include
Huang Weiyi [Fri, 28 Jan 2011 14:05:25 +0000 (22:05 +0800)]
intel_scu_ipc: remove duplicated #include

Remove duplicated #include('s) in
  drivers/platform/x86/intel_scu_ipc.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoNTFS: Fix invalid pointer dereference in ntfs_mft_record_alloc().
Anton Altaparmakov [Fri, 28 Jan 2011 20:45:28 +0000 (20:45 +0000)]
NTFS: Fix invalid pointer dereference in ntfs_mft_record_alloc().

In ntfs_mft_record_alloc() when mapping the new extent mft record with
map_extent_mft_record() we overwrite @m with the return value and on
error, we then try to use the old @m but that is no longer there as @m
now contains an error code instead so we crash when dereferencing the
error code as if it were a pointer.

The simple fix is to use a temporary variable to store the return value
thus preserving the original @m for later use.  This is a backport from
the commercial Tuxera-NTFS driver and is well tested...

Thanks go to Julia Lawall for pointing this out (whilst I had fixed it
in the commercial driver I had failed to fix it in the Linux kernel).

Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Mon, 31 Jan 2011 02:56:27 +0000 (12:56 +1000)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: More crypto cleanup (try #2)
  CIFS: Add strictcache mount option
  CIFS: Implement cifs_strict_writev (try #4)
  [CIFS] Replace cifs md5 hashing functions with kernel crypto APIs

14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas...
Linus Torvalds [Mon, 31 Jan 2011 02:55:38 +0000 (12:55 +1000)]
Merge branch 'for-linus' of git://git./linux/kernel/git/cmarinas/linux-2.6-cm

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-2.6-cm:
  kmemleak: Allow kmemleak metadata allocations to fail
  kmemleak: remove memset by using kzalloc

14 years agoMerge branch 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6
Linus Torvalds [Mon, 31 Jan 2011 02:54:54 +0000 (12:54 +1000)]
Merge branch 'zerolen' of git://git./linux/kernel/git/jgarzik/misc-2.6

* 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
  Delete zero-length drivers/staging/vme/bridges/Module.symvers

14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Mon, 31 Jan 2011 02:53:12 +0000 (12:53 +1000)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: HDA: Fix automute on Thinkpad L412/L512
  ALSA: HDA: Fix dmesg output of HDMI supported bits
  ALSA: fix invalid hardware.h include in ac97c for AVR32 architecture
  ASoC: correct link specifications for corgi, poodle and spitz
  ASoC: Samsung: Fix outdated cpu_dai_name for s3c24xx i2s
  ASoC: Fix codec device id format used by some dai_links
  ALSA: azt3328 -  fix broken AZF_FMT_XLATE macro
  ALSA: Xonar, CS43xx: Don't overrun static array
  ASoC: Handle low measured DC offsets for wm_hubs devices
  ASoC: da8xx/omap-l1xx: match codec_name with i2c ids
  ASoC: WM8994: fix wrong value in tristate function
  ASoC: WM8995: Fix incorrect use of snd_soc_update_bits()

14 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Mon, 31 Jan 2011 02:51:28 +0000 (12:51 +1000)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  libata: set queue DMA alignment to sector size for ATAPI too
  libata: DVR-212D can't do SETXFER DVD-RW DVR-212D
  ahci: add HFLAG_YES_FBS and apply it to 88SE9128
  pata_hpt37x: inherit prereset() method for HPT374
  ahci: AHCI mode SATA patch for Intel DH89xxCC DeviceIDs
  pata_hpt37x: fold 'if' statement into 'switch'
  pata_hpt{37x|3x2n}: use pr_*(DRV_NAME ...) instead of printk(KERN_* ...)
  pata_hpt{366|37x}: use pr_warning(...) instead of printk(KERN_WARNING ...)
  pata_mpc52xx: inherit from ata_bmdma_port_ops

14 years agoMerge branch 'for-linus' of git://android.git.kernel.org/kernel/tegra
Linus Torvalds [Mon, 31 Jan 2011 02:49:26 +0000 (12:49 +1000)]
Merge branch 'for-linus' of git://android.git./kernel/tegra

* 'for-linus' of git://android.git.kernel.org/kernel/tegra:
  ARM: tegra: clock: Add forward reference to struct clk
  ARM: tegra: irq: Rename gic pointers to avoid conflicts
  arm/tegra: Fix tegra irq_data conversion

14 years agoRevert "UBI: use mtd->writebufsize to set minimal I/O unit size"
Artem Bityutskiy [Sat, 29 Jan 2011 16:27:13 +0000 (18:27 +0200)]
Revert "UBI: use mtd->writebufsize to set minimal I/O unit size"

This reverts commit a121f643993474548fe98144514c50dd4f3dbe76.

Unfortunately, this commit breaks UBIFS backward compatibility and
makes new UBIFS refuse older UBIFS-formatted media:

UBIFS error: validate_sb: min. I/O unit mismatch: 8 in superblock, 64 real

Thus, we have to revert this patch and work on a better solution.

Reported-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
14 years agoInput: synaptics - retry failed resets when reconnecting
Alexandre Peixoto Ferreira [Sat, 29 Jan 2011 06:05:14 +0000 (22:05 -0800)]
Input: synaptics - retry failed resets when reconnecting

On some machines, like Dell Studio XPS 16 (1640), touchpad fails to
respond to the standard query after first reset but may start
responding later, so let's repeat reset sequence several (3) times.

Signed-off-by: Alexandre Peixoto Ferreira <alexandref75@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoInput: synaptics - fix reconnect logic on MT devices
Alexandre Peixoto Ferreira [Sat, 29 Jan 2011 06:05:14 +0000 (22:05 -0800)]
Input: synaptics - fix reconnect logic on MT devices

synaptics_set_advanced_gesture_mode() affect capabilities bits we should
perform comparison after calling this function, otherwise they will never
match and we will be forced to perform full reconnect.

Signed-off-by: Alexandre Peixoto Ferreira <alexandref75@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoInput: tegra-kbc - fix keymap entry for LeftMeta key
Rakesh Iyer [Sat, 29 Jan 2011 06:05:14 +0000 (22:05 -0800)]
Input: tegra-kbc - fix keymap entry for LeftMeta key

Correct key mapping for Left Meta key.

Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoInput: tegra-kbc - fix build error
Rakesh Iyer [Sat, 29 Jan 2011 06:05:14 +0000 (22:05 -0800)]
Input: tegra-kbc - fix build error

Fix build error introduced by variable name change.

Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
14 years agoNFS: NFSv4 readdir loses entries
Chuck Lever [Fri, 28 Jan 2011 17:41:05 +0000 (12:41 -0500)]
NFS: NFSv4 readdir loses entries

On recent 2.6.38-rc kernels, connectathon basic test 6 fails on
NFSv4 mounts of OpenSolaris with something like:

> ./test6: readdir
>  ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.12' dir entry, pass 0
>  ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.82' dir entry, pass 0
>  ./test6: (/mnt/klimt/matisse.test) didn't read expected 'file.164' dir entry, pass 0
>  ./test6: (/mnt/klimt/matisse.test) Test failed with 3 errors
> basic tests failed
> Tests failed, leaving /mnt/klimt mounted
> [cel@matisse cthon04]$

I narrowed the problem down to nfs4_decode_dirent() reporting that the
decode buffer had overflowed while decoding the entries for those
missing files.

verify_attr_len() assumes both it's pointer arguments reside on the
same page.  When these arguments point to locations on two different
pages, verify_attr_len() can report false errors.  This can happen now
that a large NFSv4 readdir result can span pages.

We have reasonably good checking in nfs4_decode_dirent() anyway, so
it should be safe to simply remove the extra checking.

At a guess, this was introduced by commit 6650239a, "NFS: Don't use
vm_map_ram() in readdir".

Cc: stable@kernel.org [2.6.37]
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
14 years agoNFS: Micro-optimize nfs4_decode_dirent()
Chuck Lever [Fri, 28 Jan 2011 17:40:55 +0000 (12:40 -0500)]
NFS: Micro-optimize nfs4_decode_dirent()

Make the decoding of NFSv4 directory entries slightly more efficient
by:

  1.  Avoiding unnecessary byte swapping when checking XDR booleans,
      and

  2.  Not bumping "p" when its value will be immediately replaced by
      xdr_inline_decode()

This commit makes nfs4_decode_dirent() consistent with similar logic
in the other two decode_dirent() functions.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
14 years agoNFS: Fix an NFS client lockdep issue
Trond Myklebust [Thu, 27 Jan 2011 19:55:39 +0000 (14:55 -0500)]
NFS: Fix an NFS client lockdep issue

There is no reason to be freeing the delegation cred in the rcu callback,
and doing so is resulting in a lockdep complaint that rpc_credcache_lock
is being called from both softirq and non-softirq contexts.

Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
14 years agoxfs: xfs_bmap_add_extent_delay_real should init br_startblock
bpm@sgi.com [Wed, 19 Jan 2011 17:41:58 +0000 (17:41 +0000)]
xfs: xfs_bmap_add_extent_delay_real should init br_startblock

When filling in the middle of a previous delayed allocation in
xfs_bmap_add_extent_delay_real, set br_startblock of the new delay
extent to the right to nullstartblock instead of 0 before inserting
the extent into the ifork (xfs_iext_insert), rather than setting
br_startblock afterward.

Adding the extent into the ifork with br_startblock=0 can lead to
the extent being copied into the btree by xfs_bmap_extent_to_btree
if we happen to convert from extents format to btree format before
updating br_startblock with the correct value.  The unexpected
addition of this delay extent to the btree can cause subsequent
XFS_WANT_CORRUPTED_GOTO filesystem shutdown in several
xfs_bmap_add_extent_delay_real cases where we are converting a delay
extent to real and unexpectedly find an extent already inserted.
For example:

911         case BMAP_LEFT_FILLING:
912                 /*
913                  * Filling in the first part of a previous delayed allocation.
914                  * The left neighbor is not contiguous.
915                  */
916                 trace_xfs_bmap_pre_update(ip, idx, state, _THIS_IP_);
917                 xfs_bmbt_set_startoff(ep, new_endoff);
918                 temp = PREV.br_blockcount - new->br_blockcount;
919                 xfs_bmbt_set_blockcount(ep, temp);
920                 xfs_iext_insert(ip, idx, 1, new, state);
921                 ip->i_df.if_lastex = idx;
922                 ip->i_d.di_nextents++;
923                 if (cur == NULL)
924                         rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
925                 else {
926                         rval = XFS_ILOG_CORE;
927                         if ((error = xfs_bmbt_lookup_eq(cur, new->br_startoff,
928                                         new->br_startblock, new->br_blockcount,
929                                         &i)))
930                                 goto done;
931                         XFS_WANT_CORRUPTED_GOTO(i == 0, done);

With the bogus extent in the btree we shutdown the filesystem at
931.  The conversion from extents to btree format happens when the
number of extents in the inode increases above ip->i_df.if_ext_max.
xfs_bmap_extent_to_btree copies extents from the ifork into the
btree, ignoring all delalloc extents which are denoted by
br_startblock having some value of nullstartblock.

SGI-PV: 1013221

Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: fix dquot shaker deadlock
Dave Chinner [Fri, 28 Jan 2011 00:20:46 +0000 (11:20 +1100)]
xfs: fix dquot shaker deadlock

Commit 368e136 ("xfs: remove duplicate code from dquot reclaim") fails
to unlock the dquot freelist when the number of loop restarts is
exceeded in xfs_qm_dqreclaim_one(). This causes hangs in memory
reclaim.

Rework the loop control logic into an unwind stack that all the
different cases jump into. This means there is only one set of code
that processes the loop exit criteria, and simplifies the unlocking
of all the items from different points in the loop. It also fixes a
double increment of the restart counter from the qi_dqlist_lock
case.

Reported-by: Malcolm Scott <lkml@malc.org.uk>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: handle CIl transaction commit failures correctly
Dave Chinner [Thu, 27 Jan 2011 02:23:28 +0000 (13:23 +1100)]
xfs: handle CIl transaction commit failures correctly

Failure to commit a transaction into the CIL is not handled
correctly. This currently can only happen when racing with a
shutdown and requires an explicit shutdown check, so it rare and can
be avoided. Remove the shutdown check and make the CIL commit a void
function to indicate it will always succeed, thereby removing the
incorrectly handled failure case.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: limit extsize to size of AGs and/or MAXEXTLEN
Dave Chinner [Thu, 27 Jan 2011 01:18:18 +0000 (12:18 +1100)]
xfs: limit extsize to size of AGs and/or MAXEXTLEN

The extent size hint can be set to larger than an AG. This means
that the alignment process can push the range to be allocated
outside the bounds of the AG, resulting in assert failures or
corrupted bmbt records. Similarly, if the extsize is larger than the
maximum extent size supported, the alignment process will produce
extents that are too large to fit into the bmbt records, resulting
in a different type of assert/corruption failure.

Fix this by limiting extsize at the time іt is set firstly to be
less than MAXEXTLEN, then to be a maximum of half the size of the
AGs in the filesystem for non-realtime inodes. Realtime inodes do
not allocate out of AGs, so don't have to be restricted by the size
of AGs.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: prevent extsize alignment from exceeding maximum extent size
Dave Chinner [Thu, 27 Jan 2011 01:17:58 +0000 (12:17 +1100)]
xfs: prevent extsize alignment from exceeding maximum extent size

When doing delayed allocation, if the allocation size is for a
maximally sized extent, extent size alignment can push it over this
limit. This results in an assert failure in xfs_bmbt_set_allf() as
the extent length is too large to find in the extent record.

Fix this by ensuring that we allow for space that extent size
alignment requires (up to 2 * (extsize -1) blocks as we have to
handle both head and tail alignment) when limiting the maximum size
of the extent.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: limit extent length for allocation to AG size
Dave Chinner [Thu, 27 Jan 2011 01:16:28 +0000 (12:16 +1100)]
xfs: limit extent length for allocation to AG size

Delayed allocation extents can be larger than AGs, so when trying to
convert a large range we may scan every AG inside
xfs_bmap_alloc_nullfb() trying to find an AG with a size larger than
an AG. We should stop when we find the first AG with a maximum
possible allocation size. This causes excessive CPU usage when there
are lots of AGs.

The same problem occurs when doing preallocation of a range larger
than an AG.

Fix the problem by limiting real allocation lengths to the maximum
that an AG can support. This means if we have empty AGs, we'll stop
the search at the first of them. If there are no empty AGs, we'll
still scan them all, but that is a different problem....

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: speculative delayed allocation uses rounddown_power_of_2 badly
Dave Chinner [Thu, 27 Jan 2011 01:14:12 +0000 (12:14 +1100)]
xfs: speculative delayed allocation uses rounddown_power_of_2 badly

rounddown_power_of_2() returns an undefined result when passed a
value of zero. The specualtive delayed allocation code is doing this
when the inode is zero length. Hence occasionally the preallocation
is much, much larger than is necessary (e.g. 8GB for a 270 _byte_
file). Ensure we don't even pass a zero value to this function so
the result of preallocation is always the desired size.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoxfs: fix efi item leak on forced shutdown
Dave Chinner [Thu, 27 Jan 2011 01:13:35 +0000 (12:13 +1100)]
xfs: fix efi item leak on forced shutdown

After test 139, kmemleak shows:

unreferenced object 0xffff880078b405d8 (size 400):
  comm "xfs_io", pid 4904, jiffies 4294909383 (age 1186.728s)
  hex dump (first 32 bytes):
    60 c1 17 79 00 88 ff ff 60 c1 17 79 00 88 ff ff  `..y....`..y....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81afb04d>] kmemleak_alloc+0x2d/0x60
    [<ffffffff8115c6cf>] kmem_cache_alloc+0x13f/0x2b0
    [<ffffffff814aaa97>] kmem_zone_alloc+0x77/0xf0
    [<ffffffff814aab2e>] kmem_zone_zalloc+0x1e/0x50
    [<ffffffff8147cd6b>] xfs_efi_init+0x4b/0xb0
    [<ffffffff814a4ee8>] xfs_trans_get_efi+0x58/0x90
    [<ffffffff81455fab>] xfs_bmap_finish+0x8b/0x1d0
    [<ffffffff814851b4>] xfs_itruncate_finish+0x2c4/0x5d0
    [<ffffffff814a970f>] xfs_setattr+0x8df/0xa70
    [<ffffffff814b5c7b>] xfs_vn_setattr+0x1b/0x20
    [<ffffffff8117dc00>] notify_change+0x170/0x2e0
    [<ffffffff81163bf6>] do_truncate+0x66/0xa0
    [<ffffffff81163d0b>] sys_ftruncate+0xdb/0xe0
    [<ffffffff8103a002>] system_call_fastpath+0x16/0x1b
    [<ffffffffffffffff>] 0xffffffffffffffff

The cause of the leak is that the "remove" parameter of IOP_UNPIN()
is never set when a CIL push is aborted. This means that the EFI
item is never freed if it was in the push being cancelled. The
problem is specific to delayed logging, but has uncovered a couple
of problems with the handling of IOP_UNPIN(remove).

Firstly, we cannot safely call xfs_trans_del_item() from IOP_UNPIN()
in the CIL commit failure path or the iclog write failure path
because for delayed loging we have no transaction context. Hence we
must only call xfs_trans_del_item() if the log item being unpinned
has an active log item descriptor.

Secondly, xfs_trans_uncommit() does not handle log item descriptor
freeing during the traversal of log items on a transaction. It can
reference a freed log item descriptor when unpinning an EFI item.
Hence it needs to use a safe list traversal method to allow items to
be removed from the transaction during IOP_UNPIN().

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
14 years agoDelete zero-length drivers/staging/vme/bridges/Module.symvers
Jeff Garzik [Fri, 28 Jan 2011 08:23:42 +0000 (03:23 -0500)]
Delete zero-length drivers/staging/vme/bridges/Module.symvers

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agolibata: set queue DMA alignment to sector size for ATAPI too
Tejun Heo [Thu, 20 Jan 2011 12:59:06 +0000 (13:59 +0100)]
libata: set queue DMA alignment to sector size for ATAPI too

ata_pio_sectors() expects buffer for each sector to be contained in a
single page; otherwise, it ends up overrunning the first page.  This
is achieved by setting queue DMA alignment.  If sector_size is smaller
than PAGE_SIZE and all buffers are sector_size aligned, buffer for
each sector is always contained in a single page.

This wasn't applied to ATAPI devices but IDENTIFY_PACKET is executed
as ATA_PROT_PIO and thus uses ata_pio_sectors().  Newer versions of
udev issue IDENTIFY_PACKET with unaligned buffer triggering the
problem and causing oops.

This patch fixes the problem by setting sdev->sector_size to
ATA_SECT_SIZE on ATATPI devices and always setting DMA alignment to
sector_size.  While at it, add a warning for the unlikely but still
possible scenario where sector_size is larger than PAGE_SIZE, in which
case the alignment wouldn't be enough.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: John Stanley <jpsinthemix@verizon.net>
Tested-by: John Stanley <jpsinthemix@verizon.net>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agolibata: DVR-212D can't do SETXFER DVD-RW DVR-212D
Francesco Antonacci [Tue, 25 Jan 2011 10:54:43 +0000 (11:54 +0100)]
libata: DVR-212D can't do SETXFER DVD-RW DVR-212D

PIONEER DVR-212D can't do SETXFER like its sibling DVRTD08.  Add
ATA_HORKAGE_NOSETXFER for it.  Reported in bko#27502.

  https://bugzilla.kernel.org/show_bug.cgi?id=27502

Signed-off-by: Francesco Antonacci <fraanto@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agoahci: add HFLAG_YES_FBS and apply it to 88SE9128
Anssi Hannula [Wed, 19 Jan 2011 01:03:26 +0000 (20:03 -0500)]
ahci: add HFLAG_YES_FBS and apply it to 88SE9128

Commit 5f173107ecad83a50 added HFLAG_YES_FBS workaround for 88SE9128
(1b4b:9123).

However, that change inadvertently caused the legacy IDE interface of
the controller (with the same pci id) to become associated with the AHCI
driver as well, causing the driver to try to bring the interface up in
vain.

Fix that by matching against class as well.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agopata_hpt37x: inherit prereset() method for HPT374
Sergei Shtylyov [Tue, 11 Jan 2011 18:01:23 +0000 (21:01 +0300)]
pata_hpt37x: inherit prereset() method for HPT374

Commit ab81a505ae6be069be5b67acd7e1bab3cfb53968 (pata_hpt37x: unify ->pre_reset
methods) neglected to remove the initializer for the prereset() method from
'hpt374_fn1_port_ops' (it's inherited from 'hpt372_port_ops' anyway), as well
as to update the comment in hpt37x_init_one()...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agoahci: AHCI mode SATA patch for Intel DH89xxCC DeviceIDs
Seth Heasley [Mon, 10 Jan 2011 20:57:17 +0000 (12:57 -0800)]
ahci: AHCI mode SATA patch for Intel DH89xxCC DeviceIDs

This patch adds the AHCI-mode SATA DeviceID for the Intel DH89xxCC PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agopata_hpt37x: fold 'if' statement into 'switch'
Sergei Shtylyov [Mon, 10 Jan 2011 19:31:13 +0000 (22:31 +0300)]
pata_hpt37x: fold 'if' statement into 'switch'

hpt37x_init_one() has a large *if* statement which should really be folded into
the *switch* statement that currently constitutes its *else* branch, reducing
one level of indentation...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agopata_hpt{37x|3x2n}: use pr_*(DRV_NAME ...) instead of printk(KERN_* ...)
Sergei Shtylyov [Mon, 10 Jan 2011 18:39:34 +0000 (21:39 +0300)]
pata_hpt{37x|3x2n}: use pr_*(DRV_NAME ...) instead of printk(KERN_* ...)

... the same as the 'pata_hpt366' driver does.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agopata_hpt{366|37x}: use pr_warning(...) instead of printk(KERN_WARNING ...)
Sergei Shtylyov [Mon, 10 Jan 2011 18:34:27 +0000 (21:34 +0300)]
pata_hpt{366|37x}: use pr_warning(...) instead of printk(KERN_WARNING ...)

... in hpt_dma_blacklisted().

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agopata_mpc52xx: inherit from ata_bmdma_port_ops
Tejun Heo [Sun, 9 Jan 2011 22:48:20 +0000 (17:48 -0500)]
pata_mpc52xx: inherit from ata_bmdma_port_ops

pata_mpc52xx supports BMDMA but inherits ata_sff_port_ops which
triggers BUG_ON() when a DMA command is issued.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Roman Fietze <roman.fietze@telemotive.de>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
14 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Fri, 28 Jan 2011 07:25:43 +0000 (08:25 +0100)]
Merge branch 'fix/asoc' into for-linus

14 years agoMerge branch 'stable/bug-fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 28 Jan 2011 02:24:34 +0000 (12:24 +1000)]
Merge branch 'stable/bug-fixes-rc2' of git://git./linux/kernel/git/konrad/xen

* 'stable/bug-fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/setup: Route halt operations to safe_halt pvop.
  xen/e820: Guard against E820_RAM not having page-aligned size or start.
  xen/p2m: Mark INVALID_P2M_ENTRY the mfn_list past max_pfn.

14 years agoExport the augmented rbtree helper functions
Andreas Gruenbacher [Wed, 26 Jan 2011 14:55:36 +0000 (15:55 +0100)]
Export the augmented rbtree helper functions

The augmented rbtree helper functions are not exported to modules right
now.

(We have started using augmented rbtrees in the upcoming version of
drbd.)

Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
Linus Torvalds [Fri, 28 Jan 2011 02:12:58 +0000 (12:12 +1000)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: avoid picking MDS that is not active
  ceph: avoid immediate cap check after import
  ceph: fix flushing of caps vs cap import
  ceph: fix erroneous cap flush to non-auth mds
  ceph: fix cap_wanted_delay_{min,max} mount option initialization
  ceph: fix xattr rbtree search
  ceph: fix getattr on directory when using norbytes

14 years agoMerge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Fri, 28 Jan 2011 02:10:13 +0000 (12:10 +1000)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/nv50: fix regression on IGPs
  drm/radeon/kms: re-emit full context state for evergreen blits
  drm/radeon/kms: release CMASK access in preclose_kms
  drm/radeon/kms: fix r6xx+ scanout on BE systems
  drm/radeon/kms: clean up some magic numbers
  drm/radeon/kms: only enable HDMI mode if radeon audio is enabled
  radeon/kms: fix dp displayport mode validation
  drm/nvc0/grctx: correct an off-by-one
  drm/nv50: Fix race with PFIFO during PGRAPH context destruction.
  drm/nouveau: Workaround incorrect DCB entry on a GeForce3 Ti 200.
  drm/nvc0: implement irq handler for whatever's at 0x14xxxx
  drm/nvc0: fix incorrect TPC register setup
  drm/nouveau: probe for adt7473 before f75375
  drm/nouveau: remove dead function definition

14 years agoLinux-omap rebuilt: Updated fixes and cleanup
Tony Lindgren [Fri, 28 Jan 2011 01:36:32 +0000 (17:36 -0800)]
Linux-omap rebuilt: Updated fixes and cleanup

$ git checkout -b tmp-rebuild-1296178583 linus
$ git merge -m "Merge for-next omap-testing cbus" for-next omap-testing cbus
$ git merge -s ours master
$ git checkout master
$ git merge tmp-rebuild-1296178583

To view the changes since the last rebuild, please do
$ git diff 5b698d68c1a9ebeae76a0e4ca4dbfdb10357143d..a6f30321d0956dd2e60187d38612c89fb98ed5f7 arch/arm/*omap*/

14 years agoMerge for-next omap-testing cbus
Tony Lindgren [Fri, 28 Jan 2011 01:36:25 +0000 (17:36 -0800)]
Merge for-next omap-testing cbus

14 years agoomap: use fncpy to copy the PM code functions to SRAM
Jean Pihet [Wed, 19 Jan 2011 22:03:52 +0000 (14:03 -0800)]
omap: use fncpy to copy the PM code functions to SRAM

The new fncpy API is better suited for copying some
code to SRAM at runtime. This patch changes the ad-hoc
code to the more generic fncpy API.

Tested OK on OMAP3 in low power modes (RET/OFF)
using omap2plus_defconfig with !CONFIG_THUMB2_KERNEL.
Compile tested on OMAP1/2 using omap1_defconfig.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
14 years agoARM: Thumb-2: Symbol manipulation macros for function body copying
tip-bot for Dave Martin [Wed, 19 Jan 2011 22:03:51 +0000 (14:03 -0800)]
ARM: Thumb-2: Symbol manipulation macros for function body copying

In low-level board support code, there is sometimes a need to
copy a function body to another location at run-time.

A straightforward call to memcpy doesn't work in Thumb-2,
because bit 0 of external Thumb function symbols is set to 1,
indicating that the function is Thumb.  Without corrective
measures, this will cause an off-by-one copy, and the copy
may be called using the wrong instruction set.

This patch adds an fncpy() macro to help with such copies.

Particular care is needed, because C doesn't guarantee any
defined behaviour when casting a function pointer to any other
type.  This has been observed to lead to strange optimisation
side-effects when doing the arithmetic which is required in
order to copy/move function bodies correctly in Thumb-2.

Thanks to Russell King and Nicolas Pitre for their input
on this patch.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Tested-by: Jean Pihet <j-pihet@ti.com>
14 years agoARM: v6k: only allow SMP if we have v6k or v7 CPU
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:51 +0000 (14:03 -0800)]
ARM: v6k: only allow SMP if we have v6k or v7 CPU

SMP extensions are only supported on ARMv6k or ARMv7 architectures, so
only offer the option if we're building for such an architecture.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: allow swp emulation again when ARMv7 is enabled
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:51 +0000 (14:03 -0800)]
ARM: v6k: allow swp emulation again when ARMv7 is enabled

Now that we build a v6+v6k+v7 kernel with -march=armv6k for everything,
we don't need to disable swp emulation to work around the build problem
with OMAP.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: do not disable CPU_32v6K based on platform selection
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:51 +0000 (14:03 -0800)]
ARM: v6k: do not disable CPU_32v6K based on platform selection

CPU_32v6K controls whether we use the ARMv6K extension instructions in
the kernel, and in some places whether we use SMP-safe code sequences
(eg, bitops.)

MX3 prevents the selection of this option to ensure that it is not
enabled for their CPU, which is ARMv6 only.  Now that we've split the
CPU_V6 option, V6K support won't be offered for MX3 anymore.

OMAP prevents the selection of this option in an attempt to produce a
kernel which runs on architectures from ARMv6 to ARMv7 MPCore.  We now
achieve this in a different way (see the previous patches).

As such, we no longer need to offer this as a configuration option to
the user.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: use CPU domain feature if we include support for arch < ARMv6K
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:51 +0000 (14:03 -0800)]
ARM: v6k: use CPU domain feature if we include support for arch < ARMv6K

Rather than turning off CPU domain switching when the build architecture
includes ARMv6K, thereby causing problems for ARMv6-supporting kernels,
turn it on when it's required to support a CPU architecture.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: select TLS register code according to V6 variants
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:50 +0000 (14:03 -0800)]
ARM: v6k: select TLS register code according to V6 variants

If CONFIG_CPU_V6 is enabled, we may or may not have the TLS register.
Use the conditional code which copes with this variability.  Otherwise,
if CONFIG_CPU_32v6K is set, we know we have the TLS register on all
supported CPUs, so use it unconditionally.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: select generic atomic64 code according to V6 variants
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:50 +0000 (14:03 -0800)]
ARM: v6k: select generic atomic64 code according to V6 variants

If CONFIG_CPU_V6 is enabled, avoid using the double-word exclusive
instructions in the kernel's atomic implementations as these are not
supported.  Fall back to the generic spinlock code instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: select cmpxchg code sequences according to V6 variants
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:50 +0000 (14:03 -0800)]
ARM: v6k: select cmpxchg code sequences according to V6 variants

If CONFIG_CPU_V6 is enabled, we must avoid the byte/halfword/doubleword
exclusive operations, which aren't implemented before V6K.  Use the
generic versions (or omit them) instead.

If CONFIG_CPU_V6 is not set, but CONFIG_CPU_32v6K is enabled, we have
the K extnesions, so use these new instructions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: select clear exclusive code seqences according to V6 variants
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:50 +0000 (14:03 -0800)]
ARM: v6k: select clear exclusive code seqences according to V6 variants

If CONFIG_CPU_V6 is enabled, then the kernel must support ARMv6 CPUs
which don't have the V6K extensions implemented.  Always use the
dummy store-exclusive method to ensure that the exclusive monitors are
cleared.

If CONFIG_CPU_V6 is not set, but CONFIG_CPU_32v6K is enabled, then we
have the K extensions available on all CPUs we're building support for,
so we can use the new clear-exclusive instruction.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: Dove platforms use V6K architecture CPUs
Russell King - ARM Linux [Wed, 19 Jan 2011 22:03:49 +0000 (14:03 -0800)]
ARM: v6k: Dove platforms use V6K architecture CPUs

Make Dove platforms select the new V6K CPU option.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: Realview EB 11MPCore and PB11MPCore use V6K architecture CPUs
Russell King - ARM Linux [Fri, 28 Jan 2011 01:35:55 +0000 (17:35 -0800)]
ARM: v6k: Realview EB 11MPCore and PB11MPCore use V6K architecture CPUs

Make Realview EB ARM11MPCore and PB11MPCore select the new V6K CPU
option.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: introduce CPU_V6K option
Russell King - ARM Linux [Fri, 28 Jan 2011 01:35:55 +0000 (17:35 -0800)]
ARM: v6k: introduce CPU_V6K option

Introduce a CPU_V6K configuration option for platforms to select if they
have a V6K CPU core.  This allows us to identify whether we need to
support ARMv6 CPUs without the V6K SMP extensions at build time.

Currently CPU_V6K is just an alias for CPU_V6, and all places which
reference CPU_V6 are replaced by (CPU_V6 || CPU_V6K).

Select CPU_V6K from platforms which are known to be V6K-only.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: v6k: remove CPU_32v6K dependencies in asm/spinlock.h
Russell King - ARM Linux [Fri, 28 Jan 2011 01:35:54 +0000 (17:35 -0800)]
ARM: v6k: remove CPU_32v6K dependencies in asm/spinlock.h

SMP requires at least the ARMv6K extensions to be present, so if we're
running on SMP, the WFE and SEV instructions must be available.

However, when we run on UP, the v6K extensions may not be available,
and so we don't want WFE/SEV to be in the instruction stream.  Use the
SMP alternatives infrastructure to replace these instructions with NOPs
if we build for SMP but run on UP.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: bitops: switch set/clear/change bitops to use ldrex/strex
Russell King - ARM Linux [Fri, 28 Jan 2011 01:35:54 +0000 (17:35 -0800)]
ARM: bitops: switch set/clear/change bitops to use ldrex/strex

Switch the set/clear/change bitops to use the word-based exclusive
operations, which are only present in a wider range of ARM architectures
than the byte-based exclusive operations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoARM: bitops: ensure set/clear/change bitops take a word-aligned pointer
Russell King - ARM Linux [Fri, 28 Jan 2011 01:35:54 +0000 (17:35 -0800)]
ARM: bitops: ensure set/clear/change bitops take a word-aligned pointer

Add additional instructions to our assembly bitops functions to ensure
that they only operate on word-aligned pointers.  This will be necessary
when we switch these operations to use the word-based exclusive
operations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
14 years agoASoC: OMAP: McBSP: fix build breakage on OMAP1
Paul Walmsley [Fri, 28 Jan 2011 01:35:53 +0000 (17:35 -0800)]
ASoC: OMAP: McBSP: fix build breakage on OMAP1

After commits d13586574d373ef40acd4725c9a269daa355e412 ("OMAP: McBSP:
implement functional clock switching via clock framework") and
cf4c87abe238ec17cd0255b4e21abd949d7f811e ("OMAP: McBSP: implement
McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c"), any OMAP1
board (such as the AMS Delta) that uses the ASoC McBSP driver will no
longer build:

sound/built-in.o: In function `omap_mcbsp_dai_set_dai_sysclk':
last.c:(.text+0x24ff8): undefined reference to `omap2_mcbsp1_mux_clkr_src'
last.c:(.text+0x2500c): undefined reference to `omap2_mcbsp1_mux_fsr_src'
make: *** [vmlinux] Error 1

Fix by defining three OMAP1-only dummy functions for
omap2_mcbsp1_mux_clkr_src(), omap2_mcbsp1_mux_fsr_src(), and
omap2_mcbsp_set_clks_src().

Normally, code that is OMAP SoC-revision-specific like this should go
under the arch/arm/*omap* directories, and get abstracted away from
drivers via struct platform_data function pointers.  This doesn't work
in this case since there doesn't appear to be any convenient way to access
struct platform_data (or something like it) in the current design of
the sound/soc/omap/omap-mcbsp.c driver.

Reported by Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> and Tony Lindgren
<tony@atomide.com>.  Janusz also posted a patch to fix this at:

   http://www.spinics.net/lists/linux-omap/msg39560.html

(among other places), but the following approach seems less dependent
on compiler behavior.

This patch passes build tests for ams_delta_defconfig and omap2plus_defconfig,
but since I don't have an AMS Delta here, I can't boot test it on that
platform.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
14 years agoMerge branch 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2...
Dave Airlie [Fri, 28 Jan 2011 01:12:53 +0000 (11:12 +1000)]
Merge branch 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes

* 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nv50: fix regression on IGPs

14 years agodrm/nv50: fix regression on IGPs
Ben Skeggs [Thu, 27 Jan 2011 00:42:50 +0000 (10:42 +1000)]
drm/nv50: fix regression on IGPs

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
14 years agodrm/radeon/kms: re-emit full context state for evergreen blits
Alex Deucher [Thu, 27 Jan 2011 22:01:52 +0000 (17:01 -0500)]
drm/radeon/kms: re-emit full context state for evergreen blits

clear state doesn't seem to work properly in some cases

Fixes hangs in heavy 3D on some evergreen cards reported on
IRC.

May fix:
https://bugs.freedesktop.org/show_bug.cgi?id=33381
possibly others.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@gmail.com>
14 years agodrm/radeon/kms: release CMASK access in preclose_kms
Marek Olšák [Thu, 27 Jan 2011 21:46:15 +0000 (22:46 +0100)]
drm/radeon/kms: release CMASK access in preclose_kms

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
14 years agoarm: mach-omap1: board-voiceblue: add missing include
Aaro Koskinen [Fri, 28 Jan 2011 00:39:45 +0000 (16:39 -0800)]
arm: mach-omap1: board-voiceblue: add missing include

Eliminates the following sparse warnings:

arch/arm/mach-omap1/board-voiceblue.c:253:6: warning: symbol 'voiceblue_wdt_enable' was not declared. Should it be static?
arch/arm/mach-omap1/board-voiceblue.c:261:6: warning: symbol 'voiceblue_wdt_disable' was not declared. Should it be static?
arch/arm/mach-omap1/board-voiceblue.c:269:6: warning: symbol 'voiceblue_wdt_ping' was not declared. Should it be static?
arch/arm/mach-omap1/board-voiceblue.c:278:6: warning: symbol 'voiceblue_reset' was not declared. Should it be static?

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
14 years agoARM: OMAP: Allow platforms to hook reset cleanly
Russell King - ARM Linux [Fri, 28 Jan 2011 00:39:45 +0000 (16:39 -0800)]
ARM: OMAP: Allow platforms to hook reset cleanly

This adds a clean method to allow platforms to hook into the reset
code if they require to.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>