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2012-01-05fs/9p: check schedule_timeout_interruptible return valueJim Garlick
In v9fs_file_do_lock() we need to check return value of schedule_timeout_interruptible() and exit the loop when it returns nonzero, otherwise the loop is not really interruptible and after the signal, the loop is no longer throttled by P9_LOCK_TIMEOUT. Signed-off-by: Jim Garlick <garlick.jim@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2012-01-05max1111.c: fix checkpatch warningFrans Meulenbroeks
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (lm75) fix checkpatch warningsFrans Meulenbroeks
Fix checkpatch warnings in lm75.h include file Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (lm80) fix checkpatch messagesFrans Meulenbroeks
Fixed all checkpatch messages except simple_strto* -> kstr* This will be addressed in a separate patch Also left one line-too-long message as it was only a little bit too long and would become less readable compile-tested: no warnings or errors Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: replaced strict_str* with kstr*Frans Meulenbroeks
replaced strict_strtol with kstrtol and replaced strict_strtuol with kstrtuol This satisfies checkpatch -f Compile tested only: no warnings or errors given Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (lm75) fix checkpatch warningFrans Meulenbroeks
Fixed this: WARNING: strict_strtol is obsolete, use kstrtol instead + error = strict_strtol(buf, 10, &temp); by replacing strict_strtol with kstrtol. Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (lm75) added error handlingFrans Meulenbroeks
Add error handling so if lm75_update_device fails an error is returned when reading the value through sysfs. This is closely modeled after the way this is handled in ltc4261. Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (ltc4261) set data->valid to 0 if errorFrans Meulenbroeks
If there is an error it is better to set data->valid to 0 so the next call to ltc4261_update_device will always be executed. Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Add support for F75387SG/RGBjörn Gerhart
Fintek F75387SG/RG is mostly compatible to F75373/F75375. Add support for it to the F75375S driver. Fan support for F75387SG/RG has been implemented but not tested. Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Disable setting DC fan control mode for F75373Guenter Roeck
F75373 does not support DC (linear voltage) fan control mode, so don't let the user set it. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Initialize pwmX_mode and pwmX_enable if there is no ↵Guenter Roeck
platform data pwmX_mode and pwmX_enable are not initialized if no platform data is provided to the driver. Read chip configuration at driver initialization time and initialize attributes to reflect chip configuration. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Fix value range for PWM modesGuenter Roeck
Accepted value range for PWM modes was 0..4, even though only 0..3 is subsequently used. Limit permitted value range to 0..3 to avoid unpredictable behavior. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Use standard sysfs attribute namesGuenter Roeck
The driver uses non-standard sysfs attribute names for maximum and target fan speeds, even though standard attibute names for the same values do exist. Replace non-standard attribute names with standard attribute names. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (f75375s) Fix checkpatch errors and warningsGuenter Roeck
Clean up driver to follow current coding style. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-01-05hwmon: (pmbus/zl6100) Only instantiate external temperature sensor if enabledGuenter Roeck
BMR4xx devices don't have an external temperature sensor, and instantiating it does not provide value anyway if it is disabled. Only instantiate it if it is enabled. Also optimize wait time between I2C chip accesses in the probe function, and replace unnecessary check for support for I2C_FUNC_SMBUS_READ_BYTE_DATA with now required support for I2C_FUNC_SMBUS_READ_WORD_DATA. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-01-05hwmon: (pmbus/zl6100) Add support for Ericsson BMR45[0,1] and BMR46[2,3,4]Guenter Roeck
Add support for Ericsson BMR450, BMR451, BMR462, BMR463, and BMR464, which are based on ZL2005 and ZL2008, to zl6100 driver. Remove BMR450 and BMR451 device IDs from generic PMBus driver. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-01-05hwmon: (pmbus/zl6100) Add support for ZL2005Guenter Roeck
Add explicit support for ZL2005. Functionality is almost the same as with other Zilker Labs / Intersil chips, but limit register detection does not work reliably. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-01-05hwmon: (pmbus/adm1275) Validate device IDGuenter Roeck
Since manufacturer and device ID are known, read and validate it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> [Dan Carpenter <dan.carpenter@oracle.com>: Fixed memory leak] Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-01-05NFS: Clean up nfs4_find_state_owners_locked()Chuck Lever
There's no longer a need to check the so_server field in the state owner, because nowadays the RB tree we search for state owners contains owners for that only server. Make nfs4_find_state_owners_locked() use the same tree searching logic as nfs4_insert_state_owner_locked(). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFSv4: include bitmap in nfsv4 get acl dataAndy Adamson
The NFSv4 bitmap size is unbounded: a server can return an arbitrary sized bitmap in an FATTR4_WORD0_ACL request. Replace using the nfs4_fattr_bitmap_maxsz as a guess to the maximum bitmask returned by a server with the inclusion of the bitmap (xdr length plus bitmasks) and the acl data xdr length to the (cached) acl page data. This is a general solution to commit e5012d1f "NFSv4.1: update nfs4_fattr_bitmap_maxsz" and fixes hitting a BUG_ON in xdr_shrink_bufhead when getting ACLs. Fix a bug in decode_getacl that returned -EINVAL on ACLs > page when getxattr was called with a NULL buffer, preventing ACL > PAGE_SIZE from being retrieved. Cc: stable@kernel.org Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05nfs: fix a minor do_div portability issueChris Metcalf
This change modifies filelayout_get_dense_offset() to use the functions in math64.h and thus avoid a 32-bit platform compile error trying to use do_div() on an s64 type. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Reviewed-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFSv4.1: cleanup comment and debug printkAndy Adamson
Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFSv4.1: change nfs4_free_slot parameters for dynamic slotsAndy Adamson
Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFSv4.1: cleanup init and reset of session slot tablesAndy Adamson
We are either initializing or resetting a session. Initialize or reset the session slot tables accordingly. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFSv4.1: fix backchannel slotid off-by-one bugAndy Adamson
Cc:stable@kernel.org Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05nfs: fix regression in handling of context= option in NFSv4Jeff Layton
Setting the security context of a NFSv4 mount via the context= mount option is currently broken. The NFSv4 codepath allocates a parsed options struct, and then parses the mount options to fill it. It eventually calls nfs4_remote_mount which calls security_init_mnt_opts. That clobbers the lsm_opts struct that was populated earlier. This bug also looks like it causes a small memory leak on each v4 mount where context= is used. Fix this by moving the initialization of the lsm_opts into nfs_alloc_parsed_mount_data. Also, add a destructor for nfs_parsed_mount_data to make it easier to free all of the allocations hanging off of it, and to ensure that the security_free_mnt_opts is called whenever security_init_mnt_opts is. I believe this regression was introduced quite some time ago, probably by commit c02d7adf. Cc: stable@vger.kernel.org Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFS - fix recent breakage to NFS error handling.NeilBrown
From c6d615d2b97fe305cbf123a8751ced859dca1d5e Mon Sep 17 00:00:00 2001 From: NeilBrown <neilb@suse.de> Date: Wed, 16 Nov 2011 09:39:05 +1100 Subject: [PATCH] NFS - fix recent breakage to NFS error handling. commit 02c24a82187d5a628c68edfe71ae60dc135cd178 made a small and presumably unintended change to write error handling in NFS. Previously an error from filemap_write_and_wait_range would only be of interest if nfs_file_fsync did not return an error. After this commit, an error from filemap_write_and_wait_range would mean that (the rest of) nfs_file_fsync would not even be called. This means that: 1/ you are more likely to see EIO than e.g. EDQUOT or ENOSPC. 2/ NFS_CONTEXT_ERROR_WRITE remains set for longer so more writes are synchronous. This patch restores previous behaviour. Cc: stable@kernel.org Cc: Josef Bacik <josef@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05NFS: Retry mounting NFSROOTChuck Lever
Lukas Razik <linux@razik.name> reports that on his SPARC system, booting with an NFS root file system stopped working after commit 56463e50 "NFS: Use super.c for NFSROOT mount option parsing." We found that the network switch to which Lukas' client was attached was delaying access to the LAN after the client's NIC driver reported that its link was up. The delay was longer than the timeouts used in the NFS client during mounting. NFSROOT worked for Lukas before commit 56463e50 because in those kernels, the client's first operation was an rpcbind request to determine which port the NFS server was listening on. When that request failed after a long timeout, the client simply selected the default NFS port (2049). By that time the switch was allowing access to the LAN, and the mount succeeded. Neither of these client behaviors is desirable, so reverting 56463e50 is really not a choice. Instead, introduce a mechanism that retries the NFSROOT mount request several times. This is the same tactic that normal user space NFS mounts employ to overcome server and network delays. Signed-off-by: Lukas Razik <linux@razik.name> [ cel: match kernel coding style, add proper patch description ] [ cel: add exponential back-off ] Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Lukas Razik <linux@razik.name> Cc: stable@kernel.org # > 2.6.38 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-01-05SUNRPC: Clean up the RPCSEC_GSS service ticket requestsTrond Myklebust
Instead of hacking specific service names into gss_encode_v1_msg, we should just allow the caller to specify the service name explicitly. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Acked-by: J. Bruce Fields <bfields@redhat.com>
2012-01-05Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/wireless/b43legacy/dma.c
2012-01-05ath6kl: revert USB supportJohn W. Linville
The ath6kl driver is causing build failures when the ath6kl bits are not built as modules. A better fix is forthcoming in a future release, but for now lets revert the problematic code. This reverts the following commits: fde57764ef8751b9aca11b6f6221ac5555bda699 d70385a26ad9a122a5450d066550470107b6bc38 59d954dda4b9b3f3e61d4b87a2b26952b8c4c09d Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-05Merge branches 'hyperv', 'multitouch', 'roccat', 'upstream', ↵Jiri Kosina
'upstream-fixes', 'wacom' and 'wiimote' into for-linus
2012-01-05HID: hid-multitouch: add support 9 new Xiroku devicesMasatoshi Hoshikawa
This patch adds support for the Xiroku Inc. panels (SPX/MPX/CSR/etc.). Signed-off-by: Masatoshi Hoshikawa <hoshikawa@xiroku.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-01-05gpio: pl061: remove combined interruptRob Herring
Drivers should not have a dependency on NR_IRQS. Doing so may break with SPARSE_IRQ enabled. As there are no in kernel users of the pl061 which have multiple instances with their interrupts combined to a single parent interrupt, remove this functionality. If this capability is needed later, it could be supported more cleanly by just using a devicetree property. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Viresh Kumar <viresh.kumar@st.com> Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com> Acked-by: Baruch Siach <baruch@tkos.co.il> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Grant Likely <grant.likely@secretlab.ca>
2012-01-05gpio: pl061: convert to use generic irq chipRob Herring
Convert the pl061 irq_chip code to use the generic irq chip code. This has the side effect of using 32-bit accesses rather than 8-bit accesses to interrupt registers. The h/w TRM and testing seem to indicate this is fine. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-01-05drm: make DRM_UNLOCKED ioctls with their own mutexIlija Hadzic
drm_getclient, drm_getstats and drm_getmap (with a few minor adjustments) do not need global mutex, so fix that and make the said ioctls DRM_UNLOCKED. Details: drm_getclient: the only thing that should be protected here is dev->filelist and that is already protected everywhere with dev->struct_mutex. drm_getstats: there is no need for any mutex here because the loop runs through quasi-static (set at load time only) data, and the actual count access is done with atomic_read() drm_getmap already uses dev->struct_mutex to protect dev->maplist, which also used to protect the same structure everywhere else except at three places: * drm_getsarea, which doesn't grab *any* mutex before touching dev->maplist (so no drm_global_mutex doesn't help here either; different issue for a different patch). However, drivers seem to call it only at initialization time so it probably doesn't matter * drm_master_destroy, which is called from drm_master_put, which in turn is protected with dev->struct_mutex everywhere else in drm module, so we are good here too. * drm_getsareactx, which releases the dev->struct_mutex too early, but this patch includes the fix for that. v2: * incorporate comments received from Daniel Vetter * include the (long) explanation above to make it clear what we are doing (and why), also at Daniel Vetter's request * tighten up mutex grab/release locations to only encompass real critical sections, rather than some random code around them Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-05drm: no need to hold global mutex for static dataIlija Hadzic
drm_getcap and drm_version ioctls only reads static data, there is no need to protect them with drm_global_mutex, so make them DRM_UNLOCKED Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-05drm/radeon/benchmark: common modes sweep ignores 640x480@32Chen Jie
Sweep common_modes array should start with index 0. Signed-off-by: Chen Jie <chenj@lemote.com> Reviewed-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-01-05Merge branch 'restart' into for-linusRussell King
Conflicts: arch/arm/mach-exynos/cpu.c The changes to arch/arm/mach-exynos/cpu.c were moved to mach-exynos/common.c.
2012-01-05Merge branch 'devel-stable' into for-linusRussell King
Conflicts: arch/arm/kernel/setup.c arch/arm/mach-shmobile/board-kota2.c
2012-01-05Merge branches 'fixes' and 'misc' into for-linusRussell King
2012-01-05ARM: 7267/1: Remove BUILD_BUG_ON from asm/bug.hSimon Glass
BUILD_BUG_ON is defined in linux/kernel.h but that is not included by the asm/bug.h header which uses it. This causes a build error: ...include/linux/mtd/map.h: In function 'inline_map_read': ...include/linux/mtd/map.h:408:3: error: implicit declaration of function 'BUILD_BUG_ON' [-Werror=implicit-function-declaration] The check is not essential and is not present for other architectures, so just remove it. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: 7269/1: mach-sa1100: fix sched_clock breakageLinus Walleij
Fixed up a simple typo in the runtime sched_clock conversion so we compile again. Cc: Kristoffer Ericson <kristoffer.ericson@gmail.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05[media] mt2063: fix get_if_frequency callStefan Ringel
[mchehab@redhat.com: patch rebased to apply] Signed-off-by: Stefan Ringel <linuxtv@stefanringel.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-05[media] cx25840: Fix compilation for i386 architectureMauro Carvalho Chehab
WARNING: "__udivdi3" [/home/v4l/new_build/v4l/cx25840.ko] undefined! 64 bits division need to call do_div & friends, in order to allow it to compile with 32 bits kernels Cc: Steven Toth <stoth@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-05ARM: 7198/1: arm/imx6: add restart support for imx6qShawn Guo
The restart support was missed from the initial imx6q submission. The mxc_restart() does not work for imx6q. Instead, this patch adds the restart for imx6q. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: remove the now empty arch_reset()Russell King
Remove the now empty arch_reset() from all the mach/system.h includes, and remove its callsite. Remove arm_machine_restart() as this function no longer does anything useful. For samsung platforms, remove the include of mach/system-reset.h and plat/system-reset.h from their respective mach/system.h headers as these just define their arch_reset functions. As a result, the s3c2410 and plat-samsung system-reset.h files are no longer referenced, so remove these files entirely. Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: remove comments about adding code to arch_reset()Russell King
arch_reset() is deprecated; systems should hook into system restart via the 'restart' method in the platforms machine description record. Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: lpc32xx & u300: remove unnecessary printkRussell King
Remove the: KERN_CRIT "RESET: Rebooting system\n" (lpc32xx) KERN_CRIT "RESET: shutting down/rebooting system\n" (u300) printk from the restart handler; we already print such a message from kernel_restart() in kernel/sys.c: KERN_EMERG "Restarting system.\n" so this is unnecessary. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-01-05ARM: restart: plat-samsung: remove plat/reset.h and s5p_reset_hookRussell King
Now that s5p_reset_hook is unused, we can get rid of plat/reset.h and the s5p_reset_hook code in plat/system-reset.h. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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