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2011-11-07Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds55-215/+231
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
2011-11-07Merge branch 'writeback-for-linus' of ↵Linus Torvalds4-37/+178
git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux * 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Add a 'reason' to wb_writeback_work writeback: send work item to queue_io, move_expired_inodes writeback: trace event balance_dirty_pages writeback: trace event bdi_dirty_ratelimit writeback: fix ppc compile warnings on do_div(long long, unsigned long) writeback: per-bdi background threshold writeback: dirty position control - bdi reserve area writeback: control dirty pause time writeback: limit max dirty pause time writeback: IO-less balance_dirty_pages() writeback: per task dirty rate limit writeback: stabilize bdi->dirty_ratelimit writeback: dirty rate control writeback: add bg_threshold parameter to __bdi_update_bandwidth() writeback: dirty position control writeback: account per-bdi accumulated dirtied pages
2011-11-07Merge branch 'for-next' of ↵Linus Torvalds4-8/+25
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: use ->exectute_task for all CDB emulation target: remove SCF_EMULATE_CDB_ASYNC target: refactor transport_emulate_control_cdb target: pass the se_task to the CDB emulation callback target: split core_scsi3_emulate_pr target: split core_scsi2_emulate_crh target: Add generic active I/O shutdown logic target: add back error handling in transport_complete_task target/pscsi: blk_make_request() returns an ERR_PTR() target: Remove core TRANSPORT_FREE_CMD_INTR usage target: Make TFO->check_stop_free return free status iscsi-target: Fix non-immediate TMR handling iscsi-target: Add missing CMDSN_LOWER_THAN_EXP check in iscsit_handle_scsi_cmd target: Avoid double list_del for aborted se_tmr_req target: Minor cleanups to core_tmr_drain_tmr_list target: Fix wrong se_tmr being added to drain_tmr_list target: Fix incorrect se_cmd assignment in core_tmr_drain_tmr_list target: Check -ENOMEM to signal QUEUE_FULL from fabric callbacks tcm_loop: Add explict read buffer memset for SCF_SCSI_CONTROL_SG_IO_CDB target: Fix compile warning w/ missing module.h include
2011-11-07Merge branch 'stable/vmalloc-3.2' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: net: xen-netback: use API provided by xenbus module to map rings block: xen-blkback: use API provided by xenbus module to map rings xen: use generic functions instead of xen_{alloc, free}_vm_area()
2011-11-07Merge git://github.com/rustyrussell/linuxLinus Torvalds1-0/+1
* git://github.com/rustyrussell/linux: module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree module: Enable dynamic debugging regardless of taint
2011-11-07Merge branch 'next' of ↵Linus Torvalds2-0/+7
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (106 commits) powerpc/p3060qds: Add support for P3060QDS board powerpc/83xx: Add shutdown request support to MCU handling on MPC8349 MITX powerpc/85xx: Make kexec to interate over online cpus powerpc/fsl_booke: Fix comment in head_fsl_booke.S powerpc/85xx: issue 15 EOI after core reset for FSL CoreNet devices powerpc/8xxx: Fix interrupt handling in MPC8xxx GPIO driver powerpc/85xx: Add 'fsl,pq3-gpio' compatiable for GPIO driver powerpc/86xx: Correct Gianfar support for GE boards powerpc/cpm: Clear muram before it is in use. drivers/virt: add ioctl for 32-bit compat on 64-bit to fsl-hv-manager powerpc/fsl_msi: add support for "msi-address-64" property powerpc/85xx: Setup secondary cores PIR with hard SMP id powerpc/fsl-booke: Fix settlbcam for 64-bit powerpc/85xx: Adding DCSR node to dtsi device trees powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards powerpc/85xx: fix PHYS_64BIT selection for P1022DS powerpc/fsl-booke: Fix setup_initial_memory_limit to not blindly map powerpc: respect mem= setting for early memory limit setup powerpc: Update corenet64_smp_defconfig powerpc: Update mpc85xx/corenet 32-bit defconfigs ... Fix up trivial conflicts in: - arch/powerpc/configs/40x/hcu4_defconfig removed stale file, edited elsewhere - arch/powerpc/include/asm/udbg.h, arch/powerpc/kernel/udbg.c: added opal and gelic drivers vs added ePAPR driver - drivers/tty/serial/8250.c moved UPIO_TSI to powerpc vs removed UPIO_DWAPB support
2011-11-07module,bug: Add TAINT_OOT_MODULE flag for modules not built in-treeBen Hutchings1-0/+1
Use of the GPL or a compatible licence doesn't necessarily make the code any good. We already consider staging modules to be suspect, and this should also be true for out-of-tree modules which may receive very little review. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Reviewed-by: Dave Jones <davej@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (patched oops-tracing.txt)
2011-11-06Merge branch 'pm-for-linus' of ↵Linus Torvalds3-14/+5
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm * 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / Freezer: Revert 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too" PM / Freezer: Reimplement wait_event_freezekillable using freezer_do_not_count/freezer_count USB: Update last_busy time after autosuspend fails PM / Runtime: Automatically retry failed autosuspends PM / QoS: Remove redundant check PM / OPP: Fix build when CONFIG_PM_OPP is not set PM / Runtime: Fix runtime accounting calculation error PM / Sleep: Update freezer documentation PM / Sleep: Remove unused symbol 'suspend_cpu_hotplug' PM / Sleep: Fix race between CPU hotplug and freezer ACPI / PM: Add Sony VPCEB17FX to nonvs blacklist
2011-11-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds1-0/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (45 commits) [SCSI] Fix block queue and elevator memory leak in scsi_alloc_sdev [SCSI] scsi_dh_alua: Fix the time inteval for alua rtpg commands [SCSI] scsi_transport_iscsi: Fix documentation os parameter [SCSI] mv_sas: OCZ RevoDrive3 & zDrive R4 support [SCSI] libfc: improve flogi retries to avoid lport stuck [SCSI] libfc: avoid exchanges collision during lport reset [SCSI] libfc: fix checking FC_TYPE_BLS [SCSI] edd: Treat "XPRS" host bus type the same as "PCI" [SCSI] isci: overriding max_concurr_spinup oem parameter by max(oem, user) [SCSI] isci: revert bcn filtering [SCSI] isci: Fix hard reset timeout conditions. [SCSI] isci: No need to manage the pending reset bit on pending requests. [SCSI] isci: Remove redundant isci_request.ttype field. [SCSI] isci: Fix task management for SMP, SATA and on dev remove. [SCSI] isci: No task_done callbacks in error handler paths. [SCSI] isci: Handle task request timeouts correctly. [SCSI] isci: Fix tag leak in tasks and terminated requests. [SCSI] isci: Immediately fail I/O to removed devices. [SCSI] isci: Lookup device references through requests in completions. [SCSI] ipr: add definitions for additional adapter ...
2011-11-05Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds4-14/+37
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (63 commits) dmaengine: mid_dma: mask_peripheral_interrupt only when dmac is idle dmaengine/ep93xx_dma: add module.h include pch_dma: Reduce wasting memory pch_dma: Fix suspend issue dma/timberdale: free_irq() on an error path dma: shdma: transfer based runtime PM dmaengine: shdma: protect against the IRQ handler dmaengine i.MX DMA/SDMA: add missing include of linux/module.h dmaengine: delete redundant chan_id and chancnt initialization in dma drivers dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool dmaengine/amba-pl08x: Add support for sg len greater than one for slave transfers serial: sh-sci: don't filter on DMA device, use only channel ID ARM: SAMSUNG: Remove Samsung specific enum type for dma direction ASoC: Samsung: Update DMA interface spi/s3c64xx: Merge dma control code spi/s3c64xx: Add support DMA engine API ARM: SAMSUNG: Remove S3C-PL330-DMA driver ARM: S5P64X0: Use generic DMA PL330 driver ARM: S5PC100: Use generic DMA PL330 driver ARM: S5PV210: Use generic DMA PL330 driver ... Fix up fairly trivial conflicts in - arch/arm/mach-exynos4/{Kconfig,clock.c} - arch/arm/mach-s5p64x0/dma.c
2011-11-05Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-blockLinus Torvalds3-2/+41
* 'for-3.2/drivers' of git://git.kernel.dk/linux-block: (30 commits) virtio-blk: use ida to allocate disk index hpsa: add small delay when using PCI Power Management to reset for kump cciss: add small delay when using PCI Power Management to reset for kump xen/blkback: Fix two races in the handling of barrier requests. xen/blkback: Check for proper operation. xen/blkback: Fix the inhibition to map pages when discarding sector ranges. xen/blkback: Report VBD_WSECT (wr_sect) properly. xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests. xen-blkfront: plug device number leak in xlblk_init() error path xen-blkfront: If no barrier or flush is supported, use invalid operation. xen-blkback: use kzalloc() in favor of kmalloc()+memset() xen-blkback: fixed indentation and comments xen-blkfront: fix a deadlock while handling discard response xen-blkfront: Handle discard requests. xen-blkback: Implement discard requests ('feature-discard') xen-blkfront: add BLKIF_OP_DISCARD and discard request struct drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd() drivers/block/loop.c: emit uevent on auto release drivers/block/cpqarray.c: use pci_dev->revision loop: always allow userspace partitions and optionally support automatic scanning ... Fic up trivial header file includsion conflict in drivers/block/loop.c
2011-11-05Merge branch 'for-3.2/core' of git://git.kernel.dk/linux-blockLinus Torvalds5-39/+27
* 'for-3.2/core' of git://git.kernel.dk/linux-block: (29 commits) block: don't call blk_drain_queue() if elevator is not up blk-throttle: use queue_is_locked() instead of lockdep_is_held() blk-throttle: Take blkcg->lock while traversing blkcg->policy_list blk-throttle: Free up policy node associated with deleted rule block: warn if tag is greater than real_max_depth. block: make gendisk hold a reference to its queue blk-flush: move the queue kick into blk-flush: fix invalid BUG_ON in blk_insert_flush block: Remove the control of complete cpu from bio. block: fix a typo in the blk-cgroup.h file block: initialize the bounce pool if high memory may be added later block: fix request_queue lifetime handling by making blk_queue_cleanup() properly shutdown block: drop @tsk from attempt_plug_merge() and explain sync rules block: make get_request[_wait]() fail if queue is dead block: reorganize throtl_get_tg() and blk_throtl_bio() block: reorganize queue draining block: drop unnecessary blk_get/put_queue() in scsi_cmd_ioctl() and blk_get_tg() block: pass around REQ_* flags instead of broken down booleans during request alloc/free block: move blk_throtl prototypes to block/blk.h block: fix genhd refcounting in blkio_policy_parse_and_set() ... Fix up trivial conflicts due to "mddev_t" -> "struct mddev" conversion and making the request functions be of type "void" instead of "int" in - drivers/md/{faulty.c,linear.c,md.c,md.h,multipath.c,raid0.c,raid1.c,raid10.c,raid5.c} - drivers/staging/zram/zram_drv.c
2011-11-05PM / Freezer: Reimplement wait_event_freezekillable using ↵Oleg Nesterov1-8/+3
freezer_do_not_count/freezer_count Commit 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too" updated fake_signal_wake_up() used by freezer to wake up KILLABLE tasks. Sending unsolicited wakeups to tasks in killable sleep is dangerous as there are code paths which depend on tasks not waking up spuriously from KILLABLE sleep. For example. sys_read() or page can sleep in TASK_KILLABLE assuming that wait/down/whatever _killable can only fail if we can not return to the usermode. TASK_TRACED is another obvious example. The offending commit was to resolve freezer hang during system PM operations caused by KILLABLE sleeps in network filesystems. wait_event_freezekillable(), which depends on the spurious KILLABLE wakeup, was added by f06ac72e92 "cifs, freezer: add wait_event_freezekillable and have cifs use it" to be used to implement killable & freezable sleeps in network filesystems. To prepare for reverting of 27920651fe, this patch reimplements wait_event_freezekillable() using freezer_do_not_count/freezer_count() so that it doesn't depend on the spurious KILLABLE wakeup. This isn't very nice but should do for now. [tj: Refreshed patch to apply to linus/master and updated commit description on Rafael's request.] Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-11-05PM / OPP: Fix build when CONFIG_PM_OPP is not setTony Lindgren1-2/+2
Commit 03ca370fbf7b76d6d002380dbdc2cdc2319f9c80 (PM / OPP: Add OPP availability change notifier) does not compile if CONFIG_PM_OPP is not set: arch/arm/plat-omap/omap-pm-noop.o: In function `opp_get_notifier': include/linux/opp.h:103: multiple definition of `opp_get_notifier' include/linux/opp.h:103: first defined here Also fix incorrect comment. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-11-05PM / Sleep: Remove unused symbol 'suspend_cpu_hotplug'Srivatsa S. Bhat1-4/+0
Remove the suspend_cpu_hotplug declaration, which doesn't correspond to an existing variable. [rjw: Added the changelog.] Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-11-04Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds3-0/+4
* 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (25 commits) nfs: set vs_hidden on nfs4_callback_version4 (try #2) pnfs-obj: Support for RAID5 read-4-write interface. pnfs-obj: move to ore 03: Remove old raid engine pnfs-obj: move to ore 02: move to ORE pnfs-obj: move to ore 01: ore_layout & ore_components pnfs-obj: Rename objlayout_io_state => objlayout_io_res pnfs-obj: Get rid of objlayout_{alloc,free}_io_state pnfs-obj: Return PNFS_NOT_ATTEMPTED in case of read/write_pagelist pnfs-obj: Remove redundant EOF from objlayout_io_state nfs: Remove unused variable from write.c nfs: Fix unused variable warning from file.c NFS: Remove no-op less-than-zero checks on unsigned variables. NFS: Clean up nfs4_xdr_dec_secinfo() NFS: Fix documenting comment for nfs_create_request() NFS4: fix cb_recallany decode error nfs4: serialize layoutcommit SUNRPC: remove rpcbind clients destruction on module cleanup SUNRPC: remove rpcbind clients creation during service registering NFSd: call svc rpcbind cleanup explicitly SUNRPC: cleanup service destruction ...
2011-11-04Merge branch 'v4l_for_linus' of ↵Linus Torvalds9-105/+166
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (144 commits) [media] saa7134.h: Suppress compiler warnings when CONFIG_VIDEO_SAA7134_RC is not set [media] it913x [VER 1.07] Support for single ITE 9135 devices [media] Support for Terratec G1 [media] cx25821: off by one in cx25821_vidioc_s_input() [media] media: tea5764: reconcile Kconfig symbol and macro [media] omap_vout: Add poll() support [media] omap3isp: preview: Add crop support on the sink pad [media] omap3isp: preview: Rename min/max input/output sizes defines [media] omap3isp: preview: Remove horizontal averager support [media] omap3isp: Report the ISP revision through the media controller API [media] omap3isp: ccdc: remove redundant operation [media] omap3isp: Fix memory leaks in initialization error paths [media] omap3isp: Add missing mutex_destroy() calls [media] omap3isp: Move *_init_entities() functions to the init/cleanup section [media] omap3isp: Move media_entity_cleanup() from unregister() to cleanup() [media] MFC: Change MFC firmware binary name [media] vb2: add vb2_get_unmapped_area in vb2 core [media] v4l: Add v4l2 subdev driver for S5K6AAFX sensor [media] v4l: Add AUTO option for the V4L2_CID_POWER_LINE_FREQUENCY control [media] media: ov6650: stylistic improvements ...
2011-11-04Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds1-0/+10
* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6: dt: add empty of_machine_is_compatible ahci: add DT binding for Calxeda AHCI controller dt/platform: minor cleanup dt: add empty of_alias_get_id() for non-dt builds
2011-11-04target: remove SCF_EMULATE_CDB_ASYNCChristoph Hellwig1-1/+0
All ->execute_task instances now need to complete the I/O explicitly, which can either happen synchronously or asynchronously. Note that a lot of the CDB emulations appear to return success even if some lowlevel operations failed. Given that this is an existing issue this patch doesn't change that fact. (nab: Adding missing switch breaks in PR-IN + PR_OUT) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-11-04target: pass the se_task to the CDB emulation callbackChristoph Hellwig2-2/+2
We want to be able to handle all CDBs through it and remove hacks like always using the first task in a CDB in target_report_luns. Also rename the callback to ->execute_task to better describe its use. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-11-04target: Add generic active I/O shutdown logicNicholas Bellinger3-1/+18
This patch adds the initial pieces of generic active I/O shutdown logic. This is intended to be a 'opt-in' feature for fabric modules that includes the following functions to provide a mechinism for fabric modules to track se_cmd via se_session->sess_cmd_list: *) target_get_sess_cmd() - Add se_cmd to sess->sess_cmd_list, called from fabric module incoming I/O path. *) target_put_sess_cmd() - Check for completion or drop se_cmd from ->sess_cmd_list *) target_splice_sess_cmd_list() - Splice active I/O list from ->sess_cmd_list to ->sess_wait_list, can called with HW fabric lock held. *) target_wait_for_sess_cmds() - Walk ->sess_wait_list waiting on individual ->cmd_wait_comp. Optional transport_wait_for_tasks() call. target_splice_sess_cmd_list() is allowed to be called under HW fabric lock, and performs the splice into se_sess->sess_wait_list and set se_cmd->cmd_wait_set. Then target_wait_for_sess_cmds() walks the list waiting for individual target_put_sess_cmd() fabric callbacks to complete. It also adds TFO->check_release_cmd() to split the completion and memory release calls, where a fabric module uses target_put_sess_cmd() to check for I/O completion during session shutdown. This is currently pushed out into fabric modules as current fabric code may sleep here waiting for TFO->check_stop_free() to complete in main response path, and because target_wait_for_sess_cmds() calling TFO->release_cmd() to free fabric descriptor memory directly. Cc: Christoph Hellwig <hch@lst.de> Cc: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
2011-11-04dt: add empty of_machine_is_compatibleStephen Warren1-0/+5
The patch adds an empty function for non-dt build, so that drivers migrating to dt can save some '#ifdef CONFIG_OF'. v3: New patch Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-11-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds8-68/+81
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (45 commits) be2net: Add detect UE feature for Lancer be2net: Prevent CQ full condition for Lancer be2net: Fix disabling multicast promiscous mode be2net: Fix endian issue in RX filter command af_packet: de-inline some helper functions MAINTAINERS: Add can-gw include to maintained files net: Add back alignment for size for __alloc_skb net: add missing bh_unlock_sock() calls l2tp: fix race in l2tp_recv_dequeue() ixgbevf: Update release version ixgbe: DCB, return max for IEEE traffic classes ixgbe: fix reading of the buffer returned by the firmware ixgbe: Fix compiler warnings ixgbe: fix smatch splat due to missing NULL check ixgbe: fix disabling of Tx laser at probe ixgbe: Fix link issues caused by a reset while interface is down igb: Fix for I347AT4 PHY cable length unit detection e100: make sure vlan support isn't advertised on old adapters e1000e: demote a debugging WARN to a debug log message net: fix typo in drivers/net/ethernet/xilinx/ll_temac_main.c ...
2011-11-04Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into ↵Grant Likely119-521/+1751
devicetree/merge
2011-11-04[media] vb2: add vb2_get_unmapped_area in vb2 coreScott Jiang1-0/+7
no mmu system needs get_unmapped_area file operations to do mmap Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] v4l: Add v4l2 subdev driver for S5K6AAFX sensorSylwester Nawrocki1-0/+51
This driver exposes preview mode operation of the S5K6AAFX sensor with embedded SoC ISP. The native capture (snapshot) operation mode is not supported. Following controls are available: manual/auto exposure and gain, power line frequency (anti-flicker), saturation, sharpness, brightness, contrast, white balance temperature, color effects, horizontal/vertical image flip, frame interval, auto white balance. RGB component gains are currently exposed through private controls. Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] v4l: Add AUTO option for the V4L2_CID_POWER_LINE_FREQUENCY controlSylwester Nawrocki1-0/+1
V4L2_CID_POWER_LINE_FREQUENCY control allows applications to instruct a driver what is the power line frequency so an appropriate filter can be used by the device to cancel flicker by compensating the light intensity ripple. Currently in the menu we have entries for 50 Hz and 60 Hz and for entirely disabling the anti-flicker filter. However some devices are capable of automatically detecting the frequency, so add V4L2_CID_POWER_LINE_FREQUENCY_AUTO entry for them. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc-camera: make (almost) all client drivers re-usable outside ↵Guennadi Liakhovetski1-3/+3
of the framework The most important change in this patch is direct linking to struct soc_camera_link via the client->dev.platform_data pointer. This makes most of the soc-camera client drivers also usable outside of the soc-camera framework. After this change all what is needed for these drivers to function are inclusions of soc-camera headers for some convenience macros, suitably configured platform data, which is anyway always required, and loaded soc-camera core module for library functions. If desired, these library functions can be made generic in the future and moved to a more neutral location. The only two client drivers, that still depend on soc-camera are: mt9t031: it uses struct video_device for its PM. Since no hardware is available, alternative methods cannot be tested. ov6650: it uses struct soc_camera_device to pass its sense data back to the bridge driver. A generic v4l2-subdevice approach should be developed to perform this. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: add .g_std() core V4L2 subdevice operationGuennadi Liakhovetski1-0/+1
VIDIOC_G_STD can return the current TV-norm to the user in one of two ways: if an .vidioc_g_std() ioctl operation is provided by the driver, it is called, otherwise the value ot the .current_norm field of struct video_device is returned. Since subdevice drivers currently have no access to struct video_device objects, the only way to provide this information to the user is by implementing a .g_std() method. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: dynamically allocate video_device nodes in subdevicesGuennadi Liakhovetski1-2/+2
Currently only very few drivers actually use video_device nodes, embedded in struct v4l2_subdev. Allocate these nodes dynamically for those drivers to save memory for the rest. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: mt9m001, mt9v022: use internally cached pixel codeGuennadi Liakhovetski1-5/+0
Using the internally cached pixel code, instead of the one, provided by the soc-camera, removes one more use of struct soc_camera_device in these drivers. Also remove the no longer needed soc_camera_from_i2c() inline function. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc-camera: start removing struct soc_camera_device from client ↵Guennadi Liakhovetski1-4/+21
drivers Remove most trivial uses of struct soc_camera_device from most client drivers, abstracting some of them inside inline functions. Next steps will eliminate remaining uses and modify inline functions to not use struct soc_camera_device. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: docbook documentation for struct v4l2_create_buffersGuennadi Liakhovetski1-3/+11
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] soc_camera: remove the now obsolete struct soc_camera_opsHans Verkuil1-18/+0
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: mt9m001 hunk moved to an earlier patch] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] sh_mobile_ceu_camera: implement the control handlerHans Verkuil1-4/+0
And since this is the last and only host driver that uses controls, also remove the now obsolete control fields from soc_camera.h. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: moved code around, fixed problems] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] soc_camera: add control handler supportHans Verkuil1-0/+2
The soc_camera framework is switched over to use the control framework. After this patch none of the controls in subdevs or host drivers are available, until those drivers are also converted to the control framework. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: moved code around, fixed problems] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: vb2: add support for buffers of different sizes on a single queueGuennadi Liakhovetski1-12/+23
The two recently added ioctl()s VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF allow user-space applications to allocate video buffers of different sizes and hand them over to the driver for fast switching between different frame formats. This patch adds support for buffers of different sizes on the same buffer-queue to vb2. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: vb2: prepare to support multi-size buffersGuennadi Liakhovetski1-3/+3
In preparation for the forthcoming VIDIOC_CREATE_BUFS ioctl add a "const struct v4l2_format *" argument to the .queue_setup() vb2 operation. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: add two new ioctl()s for multi-size videobuffer managementGuennadi Liakhovetski2-0/+20
A possibility to preallocate and initialise buffers of different sizes in V4L2 is required for an efficient implementation of a snapshot mode. This patch adds two new ioctl()s: VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF and defines respective data structures. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: add a new videobuf2 buffer state VB2_BUF_STATE_PREPAREDGuennadi Liakhovetski1-0/+2
This patch prepares for a better separation of the buffer preparation stage. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc-camera: remove soc-camera client bus-param operations and ↵Guennadi Liakhovetski1-44/+8
supporting code soc-camera has been completely ported over to V4L2 subdevice mbus-config operations, soc-camera client bus-param operations and supporting code can now be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc_camera_platform: remove superfluous soc-camera client ↵Guennadi Liakhovetski1-1/+0
operations Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: ov772x: remove superfluous soc-camera client operationsGuennadi Liakhovetski1-1/+0
Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc-camera: compatible bus-width flagsGuennadi Liakhovetski1-6/+6
With the new subdevice media-bus configuration methods bus-width is not configured along with other bus parameters, instead, it is derived from the data format. With those methods it is convenient to specify supported bus-widths in the platform data as (1 << (width - 1)). We redefine SOCAM_DATAWIDTH_* flags to use the same convention to make platform data seemlessly reusable. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc_camera_platform: support the new mbus-config subdev opsGuennadi Liakhovetski1-0/+3
Extend the driver to also support [gs]_mbus_config() subdevice video operations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: ov772x: rename macros to not pollute the global namespaceGuennadi Liakhovetski1-13/+12
Macros, defined in a header under include/ should be kept in a local namespace and not pollute the global one. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-04[media] V4L: soc-camera: add helper functions for new bus configuration typeGuennadi Liakhovetski2-2/+6
Add helper functions to process the new media bus configuration type similar to soc_camera_apply_sensor_flags() and soc_camera_bus_param_compatible(). Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-03Merge branch 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6Linus Torvalds15-466/+1375
* 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6: (80 commits) mfd: Fix missing abx500 header file updates mfd: Add missing <linux/io.h> include to intel_msic x86, mrst: add platform support for MSIC MFD driver mfd: Expose TurnOnStatus in ab8500 sysfs mfd: Remove support for early drop ab8500 chip mfd: Add support for ab8500 v3.3 mfd: Add ab8500 interrupt disable hook mfd: Convert db8500-prcmu panic() into pr_crit() mfd: Refactor db8500-prcmu request_clock() function mfd: Rename db8500-prcmu init function mfd: Fix db5500-prcmu defines mfd: db8500-prcmu voltage domain consumers additions mfd: db8500-prcmu reset code retrieval mfd: db8500-prcmu tweak for modem wakeup mfd: Add db8500-pcmu watchdog accessor functions for watchdog mfd: hwacc power state db8500-prcmu accessor mfd: Add db8500-prcmu accessors for PLL and SGA clock mfd: Move to the new db500 PRCMU API mfd: Create a common interface for dbx500 PRCMU drivers mfd: Initialize DB8500 PRCMU regs ... Fix up trivial conflicts in arch/arm/mach-imx/mach-mx31moboard.c arch/arm/mach-omap2/board-omap3beagle.c arch/arm/mach-u300/include/mach/irqs.h drivers/mfd/wm831x-spi.c
2011-11-03Merge branch 'sh-latest' of git://github.com/pmundt/linux-shLinus Torvalds1-1/+11
* 'sh-latest' of git://github.com/pmundt/linux-sh: sh: Add default uImage rule for sh7757lcr sh: modify the asm/sh_eth.h to linux/sh_eth.h in sh7757lcr sh: userimask.c needs linux/stat.h sh: pfc: Add GPIO IRQ support sh: modify the asm/sh_eth.h to linux/sh_eth.h in some boards sh: pfc: Remove unused gpio_in_use member sh: add parameters for EHCI and RIIC in clock-sh7757.c sh: kexec: Add PHYSICAL_START SH: irq: Remove IRQF_DISABLED sh: pfc: get_config_reg() shift clean up sh: intc: Add IRQ trigger bit field check sh: drop unused Kconfig symbol sh: Fix implicit declaration of function numa_node_id sh: kexec: Register crashk_res sh: ecovec: add renesas_usbhs DMAEngine support
2011-11-03Merge branch 'for-linus' of ↵Linus Torvalds1-12/+34
git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock: hwspinlock: add MAINTAINERS entries hwspinlock/omap: omap_hwspinlock_remove should be __devexit hwspinlock/u8500: add hwspinlock driver hwspinlock/core: register a bank of hwspinlocks in a single API call hwspinlock/core: remove stubs for register/unregister hwspinlock/core: use a mutex to protect the radix tree hwspinlock/core/omap: fix id issues on multiple hwspinlock devices hwspinlock/omap: simplify allocation scheme hwspinlock/core: simplify 'owner' handling hwspinlock/core: simplify Kconfig Fix up trivial conflicts (addition of omap_hwspinlock_pdata, removal of omap_spinlock_latency) in arch/arm/mach-omap2/hwspinlock.c Also, do an "evil merge" to fix a compile error in omap_hsmmc.c which for some reason was reported in the same email thread as the "please pull hwspinlock changes".
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