To pass the IO status to upper layer.
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
When calling _add_entry, we should take the im_lock to protect
agains other modifiers.
Cc: <stable@vger.kernel.org> #3.1+
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
compile in nfs-for-3.3 branch shows following warnings. Fix it here.
fs/nfs/nfs4proc.c: In function ‘__nfs4_get_acl_uncached’:
fs/nfs/nfs4proc.c:3589: warning: format ‘%ld’ expects type ‘long int’, but argument 4 has type ‘size_t’
fs/nfs/nfs4proc.c:3589: warning: format ‘%ld’ expects type ‘long int’, but argument 6 has type ‘size_t’
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
On 32 bit, if n is too large then "n * sizeof(*args->devs)" could
overflow and args->devs would be smaller than expected.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
port is supposed to be a __be16 here. The existing code should work
fine, but this is a cleanup.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This function returns a big endian value. The implementation in
fs/nfs/callback_proc.c is declared with "__be32" but the .h file uses
"unsigned" instead. It makes sparse complain:
fs/nfs/callback_proc.c:232:8: error:
symbol 'nfs4_callback_layoutrecall' redeclared with different
type (originally declared at fs/nfs/callback.h:165) - different
base types
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: bcm5974 - set BUTTONPAD property
Input: serio_raw - return proper result when serio_raw_write fails
Input: serio_raw - really signal HUP upon disconnect
Input: serio_raw - remove stray semicolon
Input: revert some over-zealous conversions to module_platform_driver()
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
FUSE: Notifying the kernel of deletion.
fuse: support ioctl on directories
fuse: Use kcalloc instead of kzalloc to allocate array
fuse: llseek optimize SEEK_CUR and SEEK_SET
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Merge tag 'to-linus' of git://github.com/rustyrussell/linux
* tag 'to-linus' of git://github.com/rustyrussell/linux: (24 commits)
lguest: Make sure interrupt is allocated ok by lguest_setup_irq
lguest: move the lguest tool to the tools directory
lguest: switch segment-voodoo-numbers to readable symbols
virtio: balloon: Add freeze, restore handlers to support S4
virtio: balloon: Move vq initialization into separate function
virtio: net: Add freeze, restore handlers to support S4
virtio: net: Move vq and vq buf removal into separate function
virtio: net: Move vq initialization into separate function
virtio: blk: Add freeze, restore handlers to support S4
virtio: blk: Move vq initialization to separate function
virtio: console: Disable callbacks for virtqueues at start of S4 freeze
virtio: console: Add freeze and restore handlers to support S4
virtio: console: Move vq and vq buf removal into separate functions
virtio: pci: add PM notification handlers for restore, freeze, thaw, poweroff
virtio: pci: switch to new PM API
virtio_blk: fix config handler race
virtio: add debugging if driver doesn't kick.
virtio: expose added descriptors immediately.
virtio: avoid modulus operation.
virtio: support unlocked queue kick
...
The logic of the current code is that whenever we destroy
a cgroup that had its limit set (set meaning different than
maximum), we should decrement the jump_label counter.
Otherwise we assume it was never incremented.
But what the code actually does is test for RES_USAGE
instead of RES_LIMIT. Usage being different than maximum
is likely to be true most of the time.
The effect of this is that the key must become negative,
and since the jump_label test says:
!!atomic_read(&key->enabled);
we'll have jump_labels still on when no one else is
using this functionality.
Signed-off-by: Glauber Costa <glommer@parallels.com>
CC: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit a9b3cd7f32 (rcu: convert uses of rcu_assign_pointer(x, NULL) to
RCU_INIT_POINTER) did a lot of incorrect changes, since it did a
complete conversion of rcu_assign_pointer(x, y) to RCU_INIT_POINTER(x,
y).
We miss needed barriers, even on x86, when y is not NULL.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It appears that you can only read the sprom contents with aligned 16-bit
reads: anything else causes at least some versions of the broadcom
chipset to abort the PCI transaction, returning 0xff.
This apparently doesn't trigger very often, because most setups don't
use an external srom chip, and the OTP sprom loading doesn't have this
issue. But at least the current 11" Macbook Air does trigger it, and
wireless communications were broken as a result.
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Performing MMC block IO with simultaneous STR can lead to a deadlock: the
mmc_pm_notify() function claims the host and then calls bus .remove()
method, which lands in mmc_blk_remove(), which calls mmc_blk_remove_req()
then it goes to -> mmc_cleanup_queue() -> kthread_stop(), which waits for
the mmc-block thread to stop. If the mmc-block thread at that time is
processing block requests, it will also try to claim the host in
mmc_blk_issue_rq() and block there. This patch fixes the problem by
calling .remove() before claiming the host.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
If dma is enabled, it'll be cleared when reset all is performed, this can
be observed on some platforms, such as P2041 which has a version 2.3
controller, but platform like P4080 which has a version 2.2 controller,
does not suffer this, so we will check if the dma is enabled, we should
restore it after reset all.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
In FIFOTH register, the RX_WMark field (bits[27:16]) defaults to
FIFO_DEPTH - 1. When reading it, bits[26:16] were being used, so
fix it to use the mask 0xfff instead of 0x7ff.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch adds support for the HS200 mode on the host side.
Also enables the tuning feature required when the HS200 mode
is selected.
Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch adds the support of the HS200 bus speed for eMMC 4.5 devices.
The eMMC 4.5 devices have support for 200MHz bus speed. The function
prototype of the tuning function is modified to handle the tuning
command number which is different in sd and mmc case.
Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
In status register, fifo_count is bit[29:17].
(0x1FFF is correct)
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Turning the cache off implies flushing cache which doesn't define
maximum timeout unlike cache-on. This patch will apply the generic
CMD6 timeout only for cache-on. Additionally the kernel message is
added for checking failure case of cache-on.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
With the inclusion of following patch (59b5bc3929b37):
"mmc: sdhci: remove "state" argument from sdhci_suspend_host"
we get a compilation error for sdhci-spear:
drivers/mmc/host/sdhci-spear.c:283:2: error: too many arguments to function
‘sdhci_suspend_host’
This patch fixes this error.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
If there are errors happened in sdhci_suspend_host, handle it so that
when the function returns with an error, the host's behaviour is the
same before this function call, e.g. card detection is enabled and
tuning timer is active, etc.
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Aaron Lu <aaron.lu@amd.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
UHS_REG should be cleared for non-DDR mode. But currently there is
no way to clear DDR mode, if it is already set once. This patch adds
clearing DDR mode for non-DDR mode.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch fixes a failure to recognize SD cards reported on a Dell
Vostro with O2 Micro SD card reader. Patch 49c468f ("mmc: sd: add
support for uhs bus speed mode selection") caused the problem, by
setting the SDHCI_CTRL_HISPD flag even for legacy timings.
Signed-off-by: Alexander Elbs <alex@segv.de>
Acked-by: Philip Rakity <prakity@marvell.com>
Acked-by: Arindam Nath <arindam.nath@amd.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
When suspending host, the tuning timer shoule be deactivated.
And the HOST_NEEDS_TUNING flag should be set after tuning timer is
deactivated.
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Aaron Lu <aaron.lu@amd.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This will ensure that the right people and lists are notified when
these drivers are modified.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Add me as a third maintainer to help out in the i2c subsystem.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Convert gpio-i2cmux to use the module_platform_driver() macro which
makes the code smaller and a bit simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Convert the drivers in drivers/i2c/busses/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Jochen Friedrich <jochen@scram.de>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Manuel Lauss <manuel.lauss@googlemail.com>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Yong Zhang <yong.zhang0@gmail.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Use memdup_user rather than duplicating its implementation.
This is a little bit restricted to reduce false positives.
The semantic patch that makes this output is available
in scripts/coccinelle/api/memdup_user.cocci.
More information about semantic patching is available at
http://coccinelle.lip6.fr/
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Convert static struct pci_device_id *[] to static DEFINE_PCI_DEVICE_TABLE
tables.
Use DEFINE_PCI_DEVICE_TABLE ensures we make the pci_device_id table const
and marked as __devinitconst.
This also fixes some warnings from checkpatch:
e.g.
WARNING: Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id
#1096: FILE: i2c/busses/i2c-intel-mid.c:1096:
+static struct pci_device_id intel_mid_i2c_ids[] = {
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Olof Johansson <olof@lixom.net>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Acked-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Cc: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
The i2c-ali1535 driver doesn't work on SPARC, because it assumes that
ioport address are 16-bit wide (address stored in an unsigned short).
But on SPARC arch, ioports are mapped in memory and so must be stored
in an unsigned long.
Use pci_resource_start for getting IOMEM base address, then read the
SMBBA of the i2c bus and use these together for I/O access.
I would like to thank Jean DELVARE for reviewing my patch.
Signed-off-by: LABBE Corentin <corentin.labbe@geomatys.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
When adding checks for ACPI resource conflicts to many bus drivers,
not enough attention was paid to the error paths, and for several
drivers this causes 0 to be returned on error in some cases. Fix this
by properly returning a non-zero value on every error.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
In __ceph_build_xattrs_blob(), if a ceph inode's extended attributes
are marked dirty, all attributes recorded in its rb_tree index are
formatted into a "blob" buffer. The target buffer is recorded in
ceph_inode->i_xattrs.prealloc_blob, and it is expected to exist and
be of sufficient size to hold the attributes.
The extended attributes are marked dirty in two cases: when a new
attribute is added to the inode; or when one is removed. In the
former case work is done to ensure the prealloc_blob buffer is
properly set up, but in the latter it is not.
Change the logic in ceph_removexattr() so it matches what is
done in ceph_setxattr(). Note that this is done in a way that
keeps the two blocks of code nearly identical, in anticipation
of a subsequent patch that encapsulates some of this logic into
one or more helper routines.
Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
New rbd device structures get initialized in rbd_add(). Many of
the fields rely on being initially zero-filled. However we lockdep
was noticing that the rw_semaphore embedded in the header field
was not getting properly initialized. Fix that.
Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
Enable/disable use of the dentry dir 'complete' flag via a mount option.
This lets the admin control whether ceph uses the dcache to satisfy
negative lookups or readdir when it has the entire directory contents in
its cache.
This is purely a performance optimization; correctness is guaranteed
whether it is enabled or not.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sage Weil <sage@newdream.net>
This very noisy sparse warning appears on almost every file in the
kernel:
CHECK init/main.c
arch/x86/include/asm/thread_info.h:43:55: error: dubious one-bit signed bitfield
arch/x86/include/asm/thread_info.h:44:46: error: dubious one-bit signed bitfield
This patch changes sig_on_uaccess_error and uaccess_err flags to unsigned
type and thus fixes the warning.
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (526 commits)
ASoC: twl6040 - Add method to query optimum PDM_DL1 gain
ALSA: hda - Fix the lost power-setup of seconary pins after PM resume
ALSA: usb-audio: add Yamaha MOX6/MOX8 support
ALSA: virtuoso: add S/PDIF input support for all Xonars
ALSA: ice1724 - Support for ooAoo SQ210a
ALSA: ice1724 - Allow card info based on model only
ALSA: ice1724 - Create capture pcm only for ADC-enabled configurations
ALSA: hdspm - Provide unique driver id based on card serial
ASoC: Dynamically allocate the rtd device for a non-empty release()
ASoC: Fix recursive dependency due to select ATMEL_SSC in SND_ATMEL_SOC_SSC
ALSA: hda - Fix the detection of "Loopback Mixing" control for VIA codecs
ALSA: hda - Return the error from get_wcaps_type() for invalid NIDs
ALSA: hda - Use auto-parser for HP laptops with cx20459 codec
ALSA: asihpi - Fix potential Oops in snd_asihpi_cmode_info()
ALSA: hdsp - Fix potential Oops in snd_hdsp_info_pref_sync_ref()
ALSA: hda/cirrus - support for iMac12,2 model
ASoC: cx20442: add bias control over a platform provided regulator
ALSA: usb-audio - Avoid flood of frame-active debug messages
ALSA: snd-usb-us122l: Delete calls to preempt_disable
mfd: Put WM8994 into cache only mode when suspending
...
Fix up trivial conflicts in:
- arch/arm/mach-s3c64xx/mach-crag6410.c:
renamed speyside_wm8962 to tobermory, added littlemill right
next to it
- drivers/base/regmap/{regcache.c,regmap.c}:
duplicate diff that had already come in with other changes in
the regmap tree
We only need amd_bus.o for AMD systems with PCI. arch/x86/pci/Makefile
already depends on CONFIG_PCI=y, so this patch just adds the dependency
on CONFIG_AMD_NB.
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: stable@kernel.org # 2.6.34+ (needs adjustment for k8 -> amd rename)
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We prefer to program in C rather than preprocessor and it fixes this
warning when CONFIG_BLK_DEV_INTEGRITY is not set:
drivers/md/dm-table.c: In function 'dm_table_set_integrity':
drivers/md/dm-table.c:1285:3: warning: statement with no effect [-Wunused-value]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The block plug in mpage_readpages() duplicates the one in read_pages().
Signed-off-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Amit Sahrawat <amit.sahrawat83@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh
SH/R-Mobile updates for 3.3 merge window.
* tag 'rmobile-for-linus' of git://github.com/pmundt/linux-sh: (32 commits)
arm: mach-shmobile: add a resource name for shdma
ARM: mach-shmobile: r8a7779 SMP support V3
ARM: mach-shmobile: Add kota2 defconfig.
ARM: mach-shmobile: Add marzen defconfig.
ARM: mach-shmobile: r8a7779 power domain support V2
ARM: mach-shmobile: Fix up marzen build for recent GIC changes.
ARM: mach-shmobile: r8a7779 PFC function support
ARM: mach-shmobile: Flush caches in platform_cpu_die()
ARM: mach-shmobile: Allow SoC specific CPU kill code
ARM: mach-shmobile: Fix headsmp.S code to use CPUINIT
ARM: mach-shmobile: clock-r8a7779: clkz/clkzs support
ARM: mach-shmobile: clock-r8a7779: add DIV4 clock support
ARM: mach-shmobile: Marzen LAN89218 support
ARM: mach-shmobile: Marzen SCIF2/SCIF4 support
ARM: mach-shmobile: r8a7779 PFC GPIO-only support V2
ARM: mach-shmobile: r8a7779 and Marzen base support V2
sh: pfc: Unlock register support
sh: pfc: Variable bitfield width config register support
sh: pfc: Add config_reg_helper() function
sh: pfc: Convert index to field and value pair
...
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
SuperH updates for 3.3 merge window.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (38 commits)
sh: magicpanelr2: Update for parse_mtd_partitions() fallout.
sh: mach-rsk: Update for parse_mtd_partitions() fallout.
sh: sh2a: Improve cache flush/invalidate functions
sh: also without PM_RUNTIME pm_runtime.o must be built
sh: add a resource name for shdma
sh: Remove redundant try_to_freeze() invocations.
sh: Ensure IRQs are enabled across do_notify_resume().
sh: Fix up store queue code for subsys_interface changes.
sh: clkfwk: sh_clk_init_parent() should be called after clk_register()
sh: add platform_device for renesas_usbhs in board-sh7757lcr
sh: modify clock-sh7757 for renesas_usbhs
sh: pfc: ioremap() support
sh: use ioread32/iowrite32 and mapped_reg for div6
sh: use ioread32/iowrite32 and mapped_reg for div4
sh: use ioread32/iowrite32 and mapped_reg for mstp32
sh: extend clock struct with mapped_reg member
sh: clkfwk: clock-sh73a0: all div6_clks use SH_CLK_DIV6_EXT()
sh: clkfwk: clock-sh7724: all div6_clks use SH_CLK_DIV6_EXT()
sh: clock-sh7723: add CLKDEV_ICK_ID for cleanup
serial: sh-sci: Handle GPIO function requests.
...
Make sure the interrupt is allocated correctly by lguest_setup_irq (check the
return value of irq_alloc_desc_at for -ENOMEM)
Signed-off-by: Stratos Psomadakis <psomas@cslab.ece.ntua.gr>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (cleanups and commentry)
This is a better location instead of having it in Documentation.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (fixed compile)
