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Commit Graph

44710 Commits

Author SHA1 Message Date
Linus Torvalds
096a705bbc Merge branch 'for-3.1/core' of git://git.kernel.dk/linux-block
* 'for-3.1/core' of git://git.kernel.dk/linux-block: (24 commits)
  block: strict rq_affinity
  backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu
  block: fix patch import error in max_discard_sectors check
  block: reorder request_queue to remove 64 bit alignment padding
  CFQ: add think time check for group
  CFQ: add think time check for service tree
  CFQ: move think time check variables to a separate struct
  fixlet: Remove fs_excl from struct task.
  cfq: Remove special treatment for metadata rqs.
  block: document blk_plug list access
  block: avoid building too big plug list
  compat_ioctl: fix make headers_check regression
  block: eliminate potential for infinite loop in blkdev_issue_discard
  compat_ioctl: fix warning caused by qemu
  block: flush MEDIA_CHANGE from drivers on close(2)
  blk-throttle: Make total_nr_queued unsigned
  block: Add __attribute__((format(printf...) and fix fallout
  fs/partitions/check.c: make local symbols static
  block:remove some spare spaces in genhd.c
  block:fix the comment error in blkdev.h
  ...
2011-07-25 10:33:36 -07:00
Randy Dunlap
fea80311a9 iomap: make IOPORT/PCI mapping functions conditional
When CONFIG_PCI is not enabled, CONFIG_EISA=y, and CONFIG_GENERIC_IOMAP=y,
drivers/net/3c59x.c build fails due to a recent small change to
<asm-generic/iomap.h> that surrounds pci_iomap() and pci_iounmap() with
#ifdef CONFIG_PCI/#endif.

Since that patch to iomap.h looks correct, add stubs for pci_iomap() and
pci_iounmap() with CONFIG_PCI is not enabled to fix the build errors.

  drivers/net/3c59x.c:1026: error: implicit declaration of function 'pci_iomap'
  drivers/net/3c59x.c:1038: error: implicit declaration of function 'pci_iounmap'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25 10:32:42 -07:00
Linus Torvalds
ee05eff6f7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (145 commits)
  bnx2x: use pci_pcie_cap()
  bnx2x: fix bnx2x_stop_on_error flow in bnx2x_sp_rtnl_task
  bnx2x: enable internal target-read for 57712 and up only
  bnx2x: count statistic ramrods on EQ to prevent MC assert
  bnx2x: fix loopback for non 10G link
  bnx2x: dcb - send all unmapped priorities to same COS as L2
  iwlwifi: Fix build with CONFIG_PM disabled.
  gre: fix improper error handling
  ipv4: use RT_TOS after some rt_tos conversions
  via-velocity: remove duplicated #include
  qlge: remove duplicated #include
  igb: remove duplicated #include
  can: c_can: remove duplicated #include
  bnad: remove duplicated #include
  net: allow netif_carrier to be called safely from IRQ
  bna: Header File Consolidation
  bna: HW Error Counter Fix
  bna: Add HW Semaphore Unlock Logic
  bna: IOC Event Name Change
  bna: Mboxq Flush When IOC Disabled
  ...
2011-07-24 20:55:48 -07:00
Linus Torvalds
f1f3b8eab7 Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ata: PATA_ARASAN_CF depends on DMADEVICES
  ata: remove unnecessary code
  [libata] Prevent warning during PMP error recovery
  ahci: RAID-mode SATA patch for Intel Panther Point DeviceIDs
  pata_it821x: Fix RAID type display, by adding missing comma
  sata_dwc_460ex: fix error path
  ahci: Enable SB600 64bit DMA on Asus M3A
  libata: report link resume failure as KERN_WARNING instead of ERR
  ahci: move ahci_sb600_softreset to libahci.c and rename it
  libata: leave port thawed after reset failure
  ata: sata_via: Use dev_dbg
  ata: Add and use ata_print_version_once
  ata: Convert ata_<foo>_printk(KERN_<LEVEL> to ata_<foo>_<level>
  ata: Convert dev_printk(KERN_<LEVEL> to dev_<level>(
2011-07-24 14:34:01 -07:00
Linus Torvalds
ff0c4ad2c3 Merge branch 'for-upstream' of git://openrisc.net/jonas/linux
* 'for-upstream' of git://openrisc.net/jonas/linux: (24 commits)
  OpenRISC: Add MAINTAINERS entry
  OpenRISC: Miscellaneous
  OpenRISC: Library routines
  OpenRISC: Headers
  OpenRISC: Traps
  OpenRISC: Module support
  OpenRISC: GPIO
  OpenRISC: Scheduling/Process management
  OpenRISC: Idle/Power management
  OpenRISC: System calls
  OpenRISC: IRQ
  OpenRISC: Timekeeping
  OpenRISC: DMA
  OpenRISC: PTrace
  OpenRISC: Build infrastructure
  OpenRISC: Signal handling
  OpenRISC: Memory management
  OpenRISC: Device tree
  OpenRISC: Boot code
  iomap: make IOPORT/PCI mapping functions conditional
  ...
2011-07-24 09:55:18 -07:00
Linus Torvalds
fcda12e7f6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  modpost: Fix modpost's license checking V3
  module: add /sys/module/<name>/uevent files
  module: change attr callbacks to take struct module_kobject
  modules: make arch's use default loader hooks
  modules: add default loader hook implementations
  param: fix return value handling in param_set_*
2011-07-24 09:54:54 -07:00
Linus Torvalds
5fabc487c9 Merge branch 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (143 commits)
  KVM: IOMMU: Disable device assignment without interrupt remapping
  KVM: MMU: trace mmio page fault
  KVM: MMU: mmio page fault support
  KVM: MMU: reorganize struct kvm_shadow_walk_iterator
  KVM: MMU: lockless walking shadow page table
  KVM: MMU: do not need atomicly to set/clear spte
  KVM: MMU: introduce the rules to modify shadow page table
  KVM: MMU: abstract some functions to handle fault pfn
  KVM: MMU: filter out the mmio pfn from the fault pfn
  KVM: MMU: remove bypass_guest_pf
  KVM: MMU: split kvm_mmu_free_page
  KVM: MMU: count used shadow pages on prepareing path
  KVM: MMU: rename 'pt_write' to 'emulate'
  KVM: MMU: cleanup for FNAME(fetch)
  KVM: MMU: optimize to handle dirty bit
  KVM: MMU: cache mmio info on page fault path
  KVM: x86: introduce vcpu_mmio_gva_to_gpa to cleanup the code
  KVM: MMU: do not update slot bitmap if spte is nonpresent
  KVM: MMU: fix walking shadow page table
  KVM guest: KVM Steal time registration
  ...
2011-07-24 09:07:03 -07:00
Linus Torvalds
c61264f98c Merge branch 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
  xen/trace: use class for multicall trace
  xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT()
  xen/multicall: move *idx fields to start of mc_buffer
  xen/multicall: special-case singleton hypercalls
  xen/multicalls: add unlikely around slowpath in __xen_mc_entry()
  xen/multicalls: disable MC_DEBUG
  xen/mmu: tune pgtable alloc/release
  xen/mmu: use extend_args for more mmuext updates
  xen/trace: add tlb flush tracepoints
  xen/trace: add segment desc tracing
  xen/trace: add xen_pgd_(un)pin tracepoints
  xen/trace: add ptpage alloc/release tracepoints
  xen/trace: add mmu tracepoints
  xen/trace: add multicall tracing
  xen/trace: set up tracepoint skeleton
  xen/multicalls: remove debugfs stats
  trace/xen: add skeleton for Xen trace events
2011-07-24 09:06:47 -07:00
Kay Sievers
88bfa32479 module: add /sys/module/<name>/uevent files
Userspace wants to manage module parameters with udev rules.
This currently only works for loaded modules, but not for
built-in ones.

To allow access to the built-in modules we need to
re-trigger all module load events that happened before any
userspace was running. We already do the same thing for all
devices, subsystems(buses) and drivers.

This adds the currently missing /sys/module/<name>/uevent files
to all module entries.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split & trivial fix)
2011-07-24 22:06:04 +09:30
Kay Sievers
4befb026cf module: change attr callbacks to take struct module_kobject
This simplifies the next patch, where we have an attribute on a
builtin module (ie. module == NULL).

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split into 2)
2011-07-24 22:06:04 +09:30
Jonas Bonn
74e08fcf7b modules: add default loader hook implementations
The module loader code allows architectures to hook into the code by
providing a small number of entry points that each arch must implement.
This patch provides __weakly linked generic implementations of these
entry points for architectures that don't need to do anything special.

Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24 22:06:04 +09:30
Xiao Guangrong
fce92dce79 KVM: MMU: filter out the mmio pfn from the fault pfn
If the page fault is caused by mmio, the gfn can not be found in memslots, and
'bad_pfn' is returned on gfn_to_hva path, so we can use 'bad_pfn' to identify
the mmio page fault.
And, to clarify the meaning of mmio pfn, we return fault page instead of bad
page when the gfn is not allowd to prefetch

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-07-24 11:50:34 +03:00
Joe Perches
06296a1e68 ata: Add and use ata_print_version_once
Use a single mechanism to show driver version.
Reduces text a tiny bit too.

Remove uses of static int printed_version
Add and use ata_print_version(const struct device *, const char *ver)
and ata_print_version_once.

$ size drivers/ata/built-in.*
   text	   data	    bss	    dec	    hex	filename
 544969	  73893	 116584	 735446	  b38d6	drivers/ata/built-in.allyesconfig.ata.o
 543870	  73893	 116592	 734355	  b34ad	drivers/ata/built-in.allyesconfig.print_once.o
 141328	  14689	   4220	 160237	  271ed	drivers/ata/built-in.defconfig.ata.o
 141212	  14689	   4220	 160121	  27179	drivers/ata/built-in.defconfig.print_once.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-07-23 17:57:36 -04:00
Joe Perches
a9a79dfec2 ata: Convert ata_<foo>_printk(KERN_<LEVEL> to ata_<foo>_<level>
Saves text by removing nearly duplicated text format strings by
creating ata_<foo>_printk functions and printf extension %pV.

ata defconfig size shrinks ~5% (~8KB), allyesconfig ~2.5% (~13KB)

Format string duplication comes from:

 #define ata_link_printk(link, lv, fmt, args...) do { \
       if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link)    \
               printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id,   \
                      (link)->pmp , ##args); \
       else \
               printk("%sata%u: "fmt, lv, (link)->ap->print_id , ##args); \
       } while(0)

Coalesce long formats.

$ size drivers/ata/built-in.*
   text	   data	    bss	    dec	    hex	filename
 544969	  73893	 116584	 735446	  b38d6	drivers/ata/built-in.allyesconfig.ata.o
 558429	  73893	 117864	 750186	  b726a	drivers/ata/built-in.allyesconfig.dev_level.o
 141328	  14689	   4220	 160237	  271ed	drivers/ata/built-in.defconfig.ata.o
 149567	  14689	   4220	 168476	  2921c	drivers/ata/built-in.defconfig.dev_level.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-07-23 17:57:36 -04:00
Dan Williams
5757a6d76c block: strict rq_affinity
Some systems benefit from completions always being steered to the strict
requester cpu rather than the looser "per-socket" steering that
blk_cpu_to_group() attempts by default. This is because the first
CPU in the group mask ends up being completely overloaded with work,
while the others (including the original submitter) has power left
to spare.

Allow the strict mode to be set by writing '2' to the sysfs control
file. This is identical to the scheme used for the nomerges file,
where '2' is a more aggressive setting than just being turned on.

echo 2 > /sys/block/<bdev>/queue/rq_affinity

Cc: Christoph Hellwig <hch@infradead.org>
Cc: Roland Dreier <roland@purestorage.com>
Tested-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-07-23 20:44:25 +02:00
Linus Torvalds
f5fc87905e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regulator: Convert tps65023 to use regmap API
  regmap: Add SPI bus support
  regmap: Add I2C bus support
  regmap: Add generic non-memory mapped register access API
2011-07-23 11:14:47 -07:00
Linus Torvalds
d4e06701b8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (77 commits)
  [SCSI] fix crash in scsi_dispatch_cmd()
  [SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise
  [SCSI] bnx2i: Fixed kernel panic due to illegal usage of sc->request->cpu
  [SCSI] bfa: Update the driver version to 3.0.2.1
  [SCSI] bfa: Driver and BSG enhancements.
  [SCSI] bfa: Added support to query PHY.
  [SCSI] bfa: Added HBA diagnostics support.
  [SCSI] bfa: Added support for flash configuration
  [SCSI] bfa: Added support to obtain SFP info.
  [SCSI] bfa: Added support for CEE info and stats query.
  [SCSI] bfa: Extend BSG interface.
  [SCSI] bfa: FCS bug fixes.
  [SCSI] bfa: DMA memory allocation enhancement.
  [SCSI] bfa: Brocade-1860 Fabric Adapter vHBA support.
  [SCSI] bfa: Brocade-1860 Fabric Adapter PLL init fixes.
  [SCSI] bfa: Added Fabric Assigned Address(FAA) support
  [SCSI] bfa: IOC bug fixes.
  [SCSI] bfa: Enable ASIC block configuration and query.
  [SCSI] bnx2i: Updated copyright and bump version
  [SCSI] bnx2i: Modified to skip CNIC registration if iSCSI is not supported
  ...

Fix up some trivial conflicts in:
 - drivers/scsi/bnx2fc/{bnx2fc.h,bnx2fc_fcoe.c}:
	Crazy broadcom version number conflicts
 - drivers/target/tcm_fc/tfc_cmd.c
	Just trivial cleanups done on adjacent lines
2011-07-23 11:13:11 -07:00
Linus Torvalds
e498037105 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (297 commits)
  ALSA: asihpi - Replace with snd_ctl_boolean_mono_info()
  ALSA: asihpi - HPI version 4.08
  ALSA: asihpi - Add volume mute controls
  ALSA: asihpi - Control name updates
  ALSA: asihpi - Use size_t for sizeof result
  ALSA: asihpi - Explicitly include mutex.h
  ALSA: asihpi - Add new node and message defines
  ALSA: asihpi - Make local function static
  ALSA: asihpi - Fix minor typos and spelling
  ALSA: asihpi - Remove unused structures, macros and functions
  ALSA: asihpi - Remove spurious adapter index check
  ALSA: asihpi - Revise snd_pcm_debug_name, get rid of DEBUG_NAME macro
  ALSA: asihpi - DSP code loader API now independent of OS
  ALSA: asihpi - Remove controlex structs and associated special data transfer code
  ALSA: asihpi - Increase request and response buffer sizes
  ALSA: asihpi - Give more meaningful name to hpi request message type
  ALSA: usb-audio - Add quirk for  Roland / BOSS BR-800
  ALSA: hda - Remove a superfluous argument of via_auto_init_output()
  ALSA: hda - Fix indep-HP path (de-)activation for VT1708* codecs
  ALSA: hda - Add documentation for codec-specific mixer controls
  ...
2011-07-23 10:59:37 -07:00
Linus Torvalds
9d1c021355 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  net/9p: Fix the msize calculation.
  fs/9p: add 9P2000.L unlinkat operation
  fs/9p: add 9P2000.L renameat operation
  fs/9p: Always ask new inode in create
  fs/9p: Clean-up get_protocol_version() to use strcmp
  fs/9p: Fix invalid mount options/args
  fs/9p: When doing inode lookup compare qid details and inode mode bits.
  fs/9p: Fid is not valid after a failed clunk.
  net/9p: Remove structure not used in the code
  VirtIO can transfer VIRTQUEUE_NUM of pages.
  Fix the size of receive buffer packing onto VirtIO ring.
  9p: clean up packet dump code
  fs/9p: remove rename work around in 9p
  net/9p: fix client code to fail more gracefully on protocol error
2011-07-23 10:58:49 -07:00
Linus Torvalds
9d0715630e Merge branch 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  clocksource: apb: Share APB timer code with other platforms
2011-07-23 10:34:47 -07:00
Linus Torvalds
c0c463d34a Merge branches 'x86-urgent-for-linus', 'core-debug-for-linus', 'irq-core-for-linus' and 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  um: Make rwsem.S depend on CONFIG_RWSEM_XCHGADD_ALGORITHM

* 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  debug: Make CONFIG_EXPERT select CONFIG_DEBUG_KERNEL to unhide debug options

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Remove unused CHECK_IRQ_PER_CPU()

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools, x86: Fix 32-bit compile on 64-bit system
2011-07-23 10:33:08 -07:00
James Bottomley
87045b033a Merge branch 'scsi-fixes' 2011-07-23 21:09:03 +04:00
Aneesh Kumar K.V
48e370ff93 fs/9p: add 9P2000.L unlinkat operation
unlinkat - Remove a directory entry

size[4] Tunlinkat tag[2] dirfid[4] name[s] flag[4]
size[4] Runlinkat tag[2]

older Tremove have the below request format

size[4] Tremove tag[2] fid[4]

The remove message is used to remove a directory entry either file or directory
The remove opreation is actually a directory opertation and should ideally have
dirfid, if not we cannot represent the fid on server with anything other than
name. We will have to derive the directory name from fid in the Tremove request.

NOTE: The operation doesn't clunk the unlink fid.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23 09:32:52 -05:00
Aneesh Kumar K.V
9e8fb38e7d fs/9p: add 9P2000.L renameat operation
renameat - change name of file or directory

size[4] Trenameat tag[2] olddirfid[4] oldname[s] newdirfid[4] newname[s]
size[4] Rrenameat tag[2]

older Trename have the below request format

size[4] Trename tag[2] fid[4] newdirfid[4] name[s]

The rename message is used to change the name of a file, possibly moving it
to a new directory. The rename opreation is actually a directory opertation
and should ideally have olddirfid, if not we cannot represent the fid on server
with anything other than name. We will have to derive the old directory name
from fid in the Trename request.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23 09:32:51 -05:00
Prem Karat
4d63055fa9 fs/9p: Clean-up get_protocol_version() to use strcmp
Signed-off-by: Prem Karat <prem.karat@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23 09:32:49 -05:00
Aneesh Kumar K.V
52c14ab3b5 net/9p: Remove structure not used in the code
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23 09:32:48 -05:00
Eric Van Hensbergen
e660a828f0 9p: clean up packet dump code
Switch to generic kernel hexdump library and cleanup macros to
be more consistent with the way we do normal debug prints.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23 09:32:47 -05:00
Mark Brown
a676f08306 regmap: Add SPI bus support
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-23 07:56:59 +01:00
Mark Brown
9943fa300a regmap: Add I2C bus support
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-23 07:56:39 +01:00
Mark Brown
b83a313bf2 regmap: Add generic non-memory mapped register access API
There are many places in the tree where we implement register access for
devices on non-memory mapped buses, especially I2C and SPI. Since hardware
designers seem to have settled on a relatively consistent set of register
interfaces this can be effectively factored out into shared code.  There
are a standard set of formats for marshalling data for exchange with the
device, with the actual I/O mechanisms generally being simple byte
streams.

We create an abstraction for marshaling data into formats which can be
sent on the control interfaces, and create a standard method for
plugging in actual transport underneath that.

This is mostly a refactoring and renaming of the bottom level of the
existing code for sharing register I/O which we have in ASoC. A
subsequent patch in this series converts ASoC to use this.  The main
difference in interface is that reads return values by writing to a
location provided by a pointer rather than in the return value, ensuring
we can use the full range of the type for register data.  We also use
unsigned types rather than ints for the same reason.

As some of the devices can have very large register maps the existing
ASoC code also contains infrastructure for managing register caches.
This cache work will be moved over in a future stage to allow for
separate review, the current patch only deals with the physical I/O.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-23 07:56:03 +01:00
Linus Torvalds
bbd9d6f7fb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (107 commits)
  vfs: use ERR_CAST for err-ptr tossing in lookup_instantiate_filp
  isofs: Remove global fs lock
  jffs2: fix IN_DELETE_SELF on overwriting rename() killing a directory
  fix IN_DELETE_SELF on overwriting rename() on ramfs et.al.
  mm/truncate.c: fix build for CONFIG_BLOCK not enabled
  fs:update the NOTE of the file_operations structure
  Remove dead code in dget_parent()
  AFS: Fix silly characters in a comment
  switch d_add_ci() to d_splice_alias() in "found negative" case as well
  simplify gfs2_lookup()
  jfs_lookup(): don't bother with . or ..
  get rid of useless dget_parent() in btrfs rename() and link()
  get rid of useless dget_parent() in fs/btrfs/ioctl.c
  fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
  drivers: fix up various ->llseek() implementations
  fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek
  Ext4: handle SEEK_HOLE/SEEK_DATA generically
  Btrfs: implement our own ->llseek
  fs: add SEEK_HOLE and SEEK_DATA flags
  reiserfs: make reiserfs default to barrier=flush
  ...

Fix up trivial conflicts in fs/xfs/linux-2.6/xfs_super.c due to the new
shrinker callout for the inode cache, that clashed with the xfs code to
start the periodic workers later.
2011-07-22 19:02:39 -07:00
Linus Torvalds
8e204874db Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86-64, vdso: Do not allocate memory for the vDSO
  clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option
  x86, vdso: Drop now wrong comment
  Document the vDSO and add a reference parser
  ia64: Replace clocksource.fsys_mmio with generic arch data
  x86-64: Move vread_tsc and vread_hpet into the vDSO
  clocksource: Replace vread with generic arch data
  x86-64: Add --no-undefined to vDSO build
  x86-64: Allow alternative patching in the vDSO
  x86: Make alternative instruction pointers relative
  x86-64: Improve vsyscall emulation CS and RIP handling
  x86-64: Emulate legacy vsyscalls
  x86-64: Fill unused parts of the vsyscall page with 0xcc
  x86-64: Remove vsyscall number 3 (venosys)
  x86-64: Map the HPET NX
  x86-64: Remove kernel.vsyscall64 sysctl
  x86-64: Give vvars their own page
  x86-64: Document some of entry_64.S
  x86-64: Fix alignment of jiffies variable
2011-07-22 17:05:15 -07:00
Linus Torvalds
9e39264ed4 Merge branch 'x86-numa-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-numa-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, numa: Implement pfn -> nid mapping granularity check
  x86, mm: s/PAGES_PER_ELEMENT/PAGES_PER_SECTION/
2011-07-22 17:04:18 -07:00
Linus Torvalds
dc43d9fa73 Merge branch 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, mtrr: Use pci_dev->revision
  x86, mtrr: use stop_machine APIs for doing MTRR rendezvous
  stop_machine: implement stop_machine_from_inactive_cpu()
  stop_machine: reorganize stop_cpus() implementation
  x86, mtrr: lock stop machine during MTRR rendezvous sequence
2011-07-22 17:04:04 -07:00
Linus Torvalds
227ad9bc07 Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, efi: Properly pre-initialize table pointers
  x86, efi: Add infrastructure for UEFI 2.0 runtime services
  x86, efi: Fix argument types for SetVariable()
2011-07-22 17:03:14 -07:00
David S. Miller
f9035cd498 Merge branch 'for-davem' of ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 2011-07-22 17:01:44 -07:00
Linus Torvalds
a99a7d1436 Merge branch 'timers-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  mips: Fix i8253 clockevent fallout
  i8253: Cleanup outb/inb magic
  arm: Footbridge: Use common i8253 clockevent
  mips: Use common i8253 clockevent
  x86: Use common i8253 clockevent
  i8253: Create common clockevent implementation
  i8253: Export i8253_lock unconditionally
  pcpskr: MIPS: Make config dependencies finer grained
  pcspkr: Cleanup Kconfig dependencies
  i8253: Move remaining content and delete asm/i8253.h
  i8253: Consolidate definitions of PIT_LATCH
  x86: i8253: Consolidate definitions of global_clock_event
  i8253: Alpha, PowerPC: Remove unused asm/8253pit.h
  alpha: i8253: Cleanup remaining users of i8253pit.h
  i8253: Remove I8253_LOCK config
  i8253: Make pcsp sound driver use the shared i8253_lock
  i8253: Make pcspkr input driver use the shared i8253_lock
  i8253: Consolidate all kernel definitions of i8253_lock
  i8253: Unify all kernel declarations of i8253_lock
  i8253: Create linux/i8253.h and use it in all 8253 related files
2011-07-22 16:51:56 -07:00
Linus Torvalds
bdc7ccfc06 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (24 commits)
  sched: Cleanup duplicate local variable in [enqueue|dequeue]_task_fair
  sched: Replace use of entity_key()
  sched: Separate group-scheduling code more clearly
  sched: Reorder root_domain to remove 64 bit alignment padding
  sched: Do not attempt to destroy uninitialized rt_bandwidth
  sched: Remove unused function cpu_cfs_rq()
  sched: Fix (harmless) typo 'CONFG_FAIR_GROUP_SCHED'
  sched, cgroup: Optimize load_balance_fair()
  sched: Don't update shares twice on on_rq parent
  sched: update correct entity's runtime in check_preempt_wakeup()
  xtensa: Use generic config PREEMPT definition
  h8300: Use generic config PREEMPT definition
  m32r: Use generic PREEMPT config
  sched: Skip autogroup when looking for all rt sched groups
  sched: Simplify mutex_spin_on_owner()
  sched: Remove rcu_read_lock() from wake_affine()
  sched: Generalize sleep inside spinlock detection
  sched: Make sleeping inside spinlock detection working in !CONFIG_PREEMPT
  sched: Isolate preempt counting in its own config option
  sched: Remove pointless in_atomic() definition check
  ...
2011-07-22 16:45:02 -07:00
Linus Torvalds
4d4abdcb1d Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (123 commits)
  perf: Remove the nmi parameter from the oprofile_perf backend
  x86, perf: Make copy_from_user_nmi() a library function
  perf: Remove perf_event_attr::type check
  x86, perf: P4 PMU - Fix typos in comments and style cleanup
  perf tools: Make test use the preset debugfs path
  perf tools: Add automated tests for events parsing
  perf tools: De-opt the parse_events function
  perf script: Fix display of IP address for non-callchain path
  perf tools: Fix endian conversion reading event attr from file header
  perf tools: Add missing 'node' alias to the hw_cache[] array
  perf probe: Support adding probes on offline kernel modules
  perf probe: Add probed module in front of function
  perf probe: Introduce debuginfo to encapsulate dwarf information
  perf-probe: Move dwarf library routines to dwarf-aux.{c, h}
  perf probe: Remove redundant dwarf functions
  perf probe: Move strtailcmp to string.c
  perf probe: Rename DIE_FIND_CB_FOUND to DIE_FIND_CB_END
  tracing/kprobe: Update symbol reference when loading module
  tracing/kprobes: Support module init function probing
  kprobes: Return -ENOENT if probe point doesn't exist
  ...
2011-07-22 16:44:39 -07:00
Linus Torvalds
0342cbcfce Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rcu: Fix wrong check in list_splice_init_rcu()
  net,rcu: Convert call_rcu(xt_rateest_free_rcu) to kfree_rcu()
  sysctl,rcu: Convert call_rcu(free_head) to kfree
  vmalloc,rcu: Convert call_rcu(rcu_free_vb) to kfree_rcu()
  vmalloc,rcu: Convert call_rcu(rcu_free_va) to kfree_rcu()
  ipc,rcu: Convert call_rcu(ipc_immediate_free) to kfree_rcu()
  ipc,rcu: Convert call_rcu(free_un) to kfree_rcu()
  security,rcu: Convert call_rcu(sel_netport_free) to kfree_rcu()
  security,rcu: Convert call_rcu(sel_netnode_free) to kfree_rcu()
  ia64,rcu: Convert call_rcu(sn_irq_info_free) to kfree_rcu()
  block,rcu: Convert call_rcu(disk_free_ptbl_rcu_cb) to kfree_rcu()
  scsi,rcu: Convert call_rcu(fc_rport_free_rcu) to kfree_rcu()
  audit_tree,rcu: Convert call_rcu(__put_tree) to kfree_rcu()
  security,rcu: Convert call_rcu(whitelist_item_free) to kfree_rcu()
  md,rcu: Convert call_rcu(free_conf) to kfree_rcu()
2011-07-22 16:44:08 -07:00
Linus Torvalds
75b56ec294 Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  lockdep: Fix lockdep_no_validate against IRQ states
  mutex: Make mutex_destroy() an inline function
  plist: Remove the need to supply locks to plist heads
  lockup detector: Fix reference to the non-existent CONFIG_DETECT_SOFTLOCKUP option
2011-07-22 16:43:21 -07:00
Randy Dunlap
ed70afcd6e mm/truncate.c: fix build for CONFIG_BLOCK not enabled
Fix build error when CONFIG_BLOCK is not enabled by providing a stub
inode_dio_wait() function.

mm/truncate.c:612: error: implicit declaration of function 'inode_dio_wait'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-22 19:41:19 -04:00
Linus Torvalds
6d16d6d9bb Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  iommu/core: Fix build with INTR_REMAP=y && CONFIG_DMAR=n
  iommu/amd: Don't use MSI address range for DMA addresses
  iommu/amd: Move missing parts to drivers/iommu
  iommu: Move iommu Kconfig entries to submenu
  x86/ia64: intel-iommu: move to drivers/iommu/
  x86: amd_iommu: move to drivers/iommu/
  msm: iommu: move to drivers/iommu/
  drivers: iommu: move to a dedicated folder
  x86/amd-iommu: Store device alias as dev_data pointer
  x86/amd-iommu: Search for existind dev_data before allocting a new one
  x86/amd-iommu: Allow dev_data->alias to be NULL
  x86/amd-iommu: Use only dev_data in low-level domain attach/detach functions
  x86/amd-iommu: Use only dev_data for dte and iotlb flushing routines
  x86/amd-iommu: Store ATS state in dev_data
  x86/amd-iommu: Store devid in dev_data
  x86/amd-iommu: Introduce global dev_data_list
  x86/amd-iommu: Remove redundant device_flush_dte() calls
  iommu-api: Add missing header file

Fix up trivial conflicts (independent additions close to each other) in
drivers/Makefile and include/linux/pci.h
2011-07-22 16:39:42 -07:00
Linus Torvalds
431bf99d26 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (51 commits)
  PM: Improve error code of pm_notifier_call_chain()
  PM: Add "RTC" to PM trace time stamps to avoid confusion
  PM / Suspend: Export suspend_set_ops, suspend_valid_only_mem
  PM / Suspend: Add .suspend_again() callback to suspend_ops
  PM / OPP: Introduce function to free cpufreq table
  ARM / shmobile: Return -EBUSY from A4LC power off if A3RV is active
  PM / Domains: Take .power_off() error code into account
  ARM / shmobile: Use genpd_queue_power_off_work()
  ARM / shmobile: Use pm_genpd_poweroff_unused()
  PM / Domains: Introduce function to power off all unused PM domains
  OMAP: PM: disable idle on suspend for GPIO and UART
  OMAP: PM: omap_device: add API to disable idle on suspend
  OMAP: PM: omap_device: add system PM methods for PM domain handling
  OMAP: PM: omap_device: conditionally use PM domain runtime helpers
  PM / Runtime: Add new helper function: pm_runtime_status_suspended()
  PM / Domains: Queue up power off work only if it is not pending
  PM / Domains: Improve handling of wakeup devices during system suspend
  PM / Domains: Do not restore all devices on power off error
  PM / Domains: Allow callbacks to execute all runtime PM helpers
  PM / Domains: Do not execute device callbacks under locks
  ...
2011-07-22 16:01:57 -07:00
Linus Torvalds
72f96e0e38 Merge branch 'for-linus-core' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
* 'for-linus-core' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (38 commits)
  target: Bump version to v4.1.0-rc1-ml
  target: remove custom hex2bin() implementation
  target: fix typo Assoication -> Association
  target: Update QUEUE ALGORITHM MODIFIER control page default
  target: ->map_task_SG conversion to ->map_control_SG and ->map_data_SG
  target: Follow up core updates from AGrover and HCH (round 4)
  target: Eliminate usage of struct se_mem
  target: Pass 2nd param of transport_split_cdb by value
  target: Enforce 1 page max for control cdb buffer sizes
  target: Make all control CDBs scatter-gather
  target: Implement Block Device Characteristics VPD page
  target: Fix reporting of supported VPD pages
  target: Allow for built-in target modules
  tcm_fc: Convert to wake_up_process and schedule_timeout_interruptible
  tcm_fc: Makefile cleanups
  loopback: Fix memory leak in tcm_loop_make_scsi_hba()
  loopback: Remove duplicate scsi/scsi_tcq.h include
  loopback: off by one in tcm_loop_make_naa_tpg()
  target/iblock: Remove unused iblock_dev members
  target/iblock: Use request_queue->nr_request for se_device defaults
  ...
2011-07-22 16:01:14 -07:00
Linus Torvalds
5a791ea4fa Merge branch 'for-3.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
* 'for-3.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: separate out drain_workqueue() from destroy_workqueue()
  workqueue: remove cancel_rearming_delayed_work[queue]()
2011-07-22 15:07:15 -07:00
Linus Torvalds
8209f53d79 Merge branch 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc
* 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc: (39 commits)
  ptrace: do_wait(traced_leader_killed_by_mt_exec) can block forever
  ptrace: fix ptrace_signal() && STOP_DEQUEUED interaction
  connector: add an event for monitoring process tracers
  ptrace: dont send SIGSTOP on auto-attach if PT_SEIZED
  ptrace: mv send-SIGSTOP from do_fork() to ptrace_init_task()
  ptrace_init_task: initialize child->jobctl explicitly
  has_stopped_jobs: s/task_is_stopped/SIGNAL_STOP_STOPPED/
  ptrace: make former thread ID available via PTRACE_GETEVENTMSG after PTRACE_EVENT_EXEC stop
  ptrace: wait_consider_task: s/same_thread_group/ptrace_reparented/
  ptrace: kill real_parent_is_ptracer() in in favor of ptrace_reparented()
  ptrace: ptrace_reparented() should check same_thread_group()
  redefine thread_group_leader() as exit_signal >= 0
  do not change dead_task->exit_signal
  kill task_detached()
  reparent_leader: check EXIT_DEAD instead of task_detached()
  make do_notify_parent() __must_check, update the callers
  __ptrace_detach: avoid task_detached(), check do_notify_parent()
  kill tracehook_notify_death()
  make do_notify_parent() return bool
  ptrace: s/tracehook_tracer_task()/ptrace_parent()/
  ...
2011-07-22 15:06:50 -07:00
Linus Torvalds
22a3b97711 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (31 commits)
  HID: fix support for Microsoft comfort mouse 4500
  HID: hid-multitouch: add one new multitouch device's VID/PID
  HID: prodikeys: remove a redundant forward declaration of struct pcmidi_snd
  HID: prodikeys: make needlessly global symbols static
  HID: emsff: properly handle emsff_init failure
  HID: ACRUX - add missing hid_hw_stop() in ax_probe() error path
  HID: fix horizontal wheel for ms comfort mouse 4500
  HID: uclogic: Add support for UC-Logic WP1062
  HID: wiimote: Add sysfs support to wiimote driver
  HID: wiimote: Cache wiimote led state
  HID: wiimote: Add wiimote led request
  HID: wiimote: Add wiimote input button parser
  HID: wiimote: Add wiimote event handler
  HID: wiimote: Add output queue for wiimote driver
  HID: wiimote: Add wiimote send function
  HID: wiimote: Synchronize wiimote input and hid event handling
  HID: wiimote: Register input device in wiimote hid driver
  HID: wiimote: Add wiimote device structure
  HID: wiimote: Register wiimote hid driver stub
  HID: wiimote: Add Nintendo Wii Remote driver stub
  ...
2011-07-22 15:02:58 -07:00
Linus Torvalds
acb41c0f92 Merge branch 'of-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'of-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  pci/of: Consolidate pci_bus_to_OF_node()
  pci/of: Consolidate pci_device_to_OF_node()
  x86/devicetree: Use generic PCI <-> OF matching
  microblaze/pci: Move the remains of pci_32.c to pci-common.c
  microblaze/pci: Remove powermac originated cruft
  pci/of: Match PCI devices to OF nodes dynamically
2011-07-22 14:54:02 -07:00
Linus Torvalds
8181780c16 Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6
* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6:
  dt: include linux/errno.h in linux/of_address.h
  of/address: Add of_find_matching_node_by_address helper
  dt: remove extra xsysace platform_driver registration
  tty/serial: Add devicetree support for nVidia Tegra serial ports
  dt: add empty of_property_read_u32[_array] for non-dt
  dt: bindings: move SEC node under new crypto/
  dt: add helper function to read u32 arrays
  tty/serial: change of_serial to use new of_property_read_u32() api
  dt: add 'const' for of_property_read_string parameter **out_string
  dt: add helper functions to read u32 and string property values
  tty: of_serial: support for 32 bit accesses
  dt: document the of_serial bindings
  dt/platform: allow device name to be overridden
  drivers/amba: create devices from device tree
  dt: add of_platform_populate() for creating device from the device tree
  dt: Add default match table for bus ids
2011-07-22 14:53:38 -07:00