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2013-07-08[SCSI] qla2xxx: Remove a dead assignment in qla24xx_build_scsi_crc_2_iocbs().Bart Van Assche
Since the value of cur_seg is not used and since scsi_prot_sglist() has no side effects it is safe to remove the statement "cur_seg = scsi_port_sglist(cmd)". Detected by Coverity. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Remove two superfluous tests.Bart Van Assche
Since ha->model_desc is an array comparing it against NULL is superfluous. Hence remove these tests. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Remove dead code in qla2x00_configure_hba()Bart Van Assche
At the end of qla2x00_configure_hba() we know that rval == QLA_SUCCESS. Hence remove the dead code. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Clean up qla84xx_mgmt_cmd()Bart Van Assche
Remove dead code, simplify a pointer computation and move the ql84_mgmt assignment to just before its first use. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Clean up qla24xx_iidma()Bart Van Assche
Remove dead code and simplify a pointer computation. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Fix sparse warning from qla_mr.c and qla_iocb.c.Saurav Kashyap
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Do not take a second firmware dump when intentionally ↵Chad Dupuis
generating one. When we are intentionally generating a firmware dump by executing the MBC_GEN_SYSTEM_ERROR command, the command actually times out. The normal course of action when a mailbox command times out is to take a firmware dump. However, in this special case we do not want to do this since the MBA_SYSTEM_ERR AEN already generates a firmware dump. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Do not query FC statistics during chip reset.Chad Dupuis
During a chip reset, the mailbox call to get FC statistics from the ISP will not work resulting in needless mailbox accesses and errors printing out: qla2xxx [0000:05:00.0]-00af:11: Performing ISP error recovery - ha=ffff881fad044800. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. To prevent this, check for a chip reset when an application queries for FC stats and return immediately if a chip reset is occurring. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Move qla2x00_free_device to the correct location.Saurav Kashyap
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Set the index in outstanding command array to NULL when cmd ↵Giridhar Malavali
is aborted when the request timeout. Call the generic BSG free routine to unmap the DMA buffers. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] qla2xxx: Clear the MBX_INTR_WAIT flag when the mailbox time-out happens.Giridhar Malavali
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08amilo-rfkill: Add dependency on SERIO_I8042Ben Hutchings
I forgot to add this when changing the driver to use the proper i8042 functions. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2013-07-08dell-laptop: fix error return code in dell_init()Wei Yongjun
Fix to return -ENOMEM in the alloc_page() error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2013-07-08hp-wmi: Enable hotkeys on some systemsMatthew Garrett
Kyle Evans discovered that he needed to set some bits in an EC register in order to receive hotkey events. Doing so blindly broke some otherwise working HP laptops. It turns out that there's a WMI call that accesses the same register, so let's try calling that instead. Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> Cc: Kyle Evans <kvans32@gmail.com>
2013-07-08[SCSI] storvsc: Increase the value of STORVSC_MAX_IO_REQUESTSK. Y. Srinivasan
Increase the value of STORVSC_MAX_IO_REQUESTS to 200 requests. The current ringbuffer size can support this higher value. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08thermal: cpu_cooling: fix stub functionArnd Bergmann
The function stub for cpufreq_cooling_get_level introduced in 57df81069 "Thermal: exynos: fix cooling state translation" is not syntactically correct C and needs to be fixed to avoid this error: In file included from drivers/thermal/db8500_thermal.c:20:0: include/linux/cpu_cooling.h: In function 'cpufreq_cooling_get_level': include/linux/cpu_cooling.h:57:1: error: parameter name omitted unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int) ^ include/linux/cpu_cooling.h:57:1: error: parameter name omitted Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Amit Daniel kachhap <amit.daniel@samsung.com> Cc: stable@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08thermal: ti-soc-thermal: use standard GPIO DT bindingsEduardo Valentin
This change updates the ti-soc-thermal driver to use standard GPIO DT bindings to read the GPIO number associated to thermal shutdown IRQ, in case the device features it. Previously, the code was using a specific DT bindings. As now OMAP supports the standard way to model GPIOs, there is no point in having a ti specific binding. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <rob.herring@calxeda.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08thermal: MAINTAINERS: Add git tree path for SoC specific updatesEduardo Valentin
To reduce thermal maintenance load on Rui, SoC specific patches would be applied by me now. Rui Zhang will pull in these changes from time to time (at rc's). Additionally I would be sending him pull request for every merge window and rc's (for fixes). Branch names would be: next and fixes. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08MAINTAINERS & ABI: Update to point to my new emailMauro Carvalho Chehab
As mchehab@redhat.com is no longer valid, update it to reflect the new one. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-07-08hwmon: (lm63) Drop redundant safety on cache lifetimeJean Delvare
time_after (as opposed to time_after_equal) already ensures that the cache lifetime is at least as much as requested. There is no point in manually adding another jiffy to that value, and this can confuse the reader into wrong interpretation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Imre Deak <imre.deak@intel.com>
2013-07-08hwmon: (lm90) Drop redundant safety on cache lifetimeJean Delvare
time_after (as opposed to time_after_equal) already ensures that the cache lifetime is at least as much as requested. There is no point in manually adding another jiffy to that value, and this can confuse the reader into wrong interpretation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Imre Deak <imre.deak@intel.com>
2013-07-08ncpfs: fix error return code in ncp_parse_options()Wei Yongjun
Fix to return -EINVAL from the option parse error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08locks: move file_lock_list to a set of percpu hlist_heads and convert ↵Jeff Layton
file_lock_lock to an lglock The file_lock_list is only used for /proc/locks. The vastly common case is for locks to be put onto the list and come off again, without ever being traversed. Help optimize for this use-case by moving to percpu hlist_head-s. At the same time, we can make the locking less contentious by moving to an lglock. When iterating over the lists for /proc/locks, we must take the global lock and then iterate over each CPU's list in turn. This change necessitates a new fl_link_cpu field to keep track of which CPU the entry is on. On x86_64 at least, this field is placed within an existing hole in the struct to avoid growing the size. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08seq_file: add seq_list_*_percpu helpersJeff Layton
When we convert the file_lock_list to a set of percpu lists, we'll need a way to iterate over them in order to output /proc/locks info. Add some seq_list_*_percpu helpers to handle that. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08f2fs: fix readdir incorrectnessJaegeuk Kim
In the previous Al Viro's readdir patch set, there occurs a bug when running xfstest: 006 as follows. [Error output] alpha size = 4, name length = 6, total files = 4096, nproc=1 1023 files created rm: cannot remove `/mnt/f2fs/permname.15150/a': Directory not empty [Correct output] alpha size = 4, name length = 6, total files = 4096, nproc=1 4097 files created This bug is due to the misupdate of directory position in ctx. So, this patch fixes this. [AV: fixed a braino] CC: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08video: imxfb: Add DT supportMarkus Pargmann
Add devicetree support for imx framebuffer driver. It uses the generic display bindings and helper functions. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
2013-07-08xtensa: remove the second argument of __bio_kmap_atomic()Zhao Hongjiang
kmap_atomic allows only one argument now, just remove the unused 'kmtype'. Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: add static function tracer supportMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: Flat DeviceTree copy not future-safeVineet Gupta
flat DT copy code calls bootmem allocator with @align = 0. This is probably OK with legacy allocator which xtensa uses right now, but this will panic right away with memblock allocator Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Marc Gauthier <marc@tensilica.com> Cc: linux-xtensa@linux-xtensa.org Cc: linux-kernel@vger.kernel.org Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: check TLB sanity on return to userspaceMax Filippov
- check that user TLB mappings correspond to the current page table; - check that TLB mapping VPN is in the kernel/user address range in accordance with its ASID. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: adjust boot parameters address when ↵Max Filippov
INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected The virtual address of boot parameters chain is passed to the kernel via a2 register. Adjust it in case it is remapped during MMUv3 -> MMUv2 mapping change, i.e. when it is in the first 128M. Also fix interpretation of initrd and FDT addresses passed in the boot parameters: these are physical addresses. Cc: stable@vger.kernel.org Reported-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: bootparams: fix typoBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: tell git to ignore generated .dtb filesBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: ccount based sched_clockBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: ccount based clockevent implementationBaruch Siach
Reused some code from a preliminary implementation by Max Fillippov. Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: consolidate ccount access routinesBaruch Siach
Use get_ccount everywhere; remove xtensa_get_ccount. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: cleanup ccount frequency trackingBaruch Siach
Remove unused nsec_per_ccount, and rename ccount_per_jiffy to ccount_preq. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: timex.h: remove unused symbolsBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: tell git to ignore copied zlib source filesBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08Merge branch 'timers-core-for-linus' of ↵Chris Zankel
https://git.kernel.org/cgit/linux/kernel/git/tip/tip into tst5
2013-07-08mm/slab: Give s_next and s_stop slab-specific namesWanpeng Li
Give s_next and s_stop slab-specific names instead of exporting "s_next" and "s_stop". Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2013-07-08ALSA: hda - Keep halting ALC5505 DSPTakashi Iwai
ALC5505 DSP is enabled even though we don't use the features yet at all. This results in the unnecessarily high power consumption, more than 100mV higher. Until we implement the DSP support, better to bypass DSP for saving more power. Reported-by: Mengdong Lin <mengdong.lin@intel.com> [Patch modified by Mengdong to cal alc5505_dsp_init() with extra acl5505_dsp_halt().] Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-07-08[SCSI] storvsc: Support FC devicesK. Y. Srinivasan
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] storvsc: Implement multi-channel supportK. Y. Srinivasan
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-07fs/9p: Remove the unused variable "err" in v9fs_vfs_getattr()Gu Zheng
Delete the unused variable "err" in v9fs_vfs_getattr() Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P: Add cancelled() to the transport functions.Simon Derr
RDMA needs to post a buffer for each incoming reply. Hence it needs to keep count of these and needs to be aware of whether a flushed request has received a reply or not. This patch adds the cancelled() callback to the transport modules. It is called when RFLUSH has been received and that the corresponding request will never receive a reply. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: count posted buffers without a pending requestSimon Derr
In rdma_request(): If an error occurs between posting the recv and the send, there will be a reply context posted without a pending request. Since there is no way to "un-post" it, we remember it and skip post_recv() for the next request. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Improve error handling in rdma_requestSimon Derr
Most importantly: - do not free the recv context (rpl_context) after a successful post_recv() - but do free the send context (c) after a failed send. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Do not free req->rc in error handling in rdma_request()Simon Derr
rdma_request() should never be in charge of freeing rc. When an error occurs: * Either the rc buffer has been recv_post()'ed. then kfree()'ing it certainly is a bad idea. * Or is has not, and in that case req->rc still points to it, hence it needs not be freed. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Use a semaphore to protect the RQSimon Derr
The current code keeps track of the number of buffers posted in the RQ, and will prevent it from overflowing. But it does so by simply dropping post requests (And leaking memory in the process). When this happens there will actually be too few buffers posted, and soon the 9P server will complain about 'RNR retry counter exceeded' errors. Instead, use a semaphore, and block until the RQ is ready for another buffer to be posted. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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