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Dan Williams
8a4aeec8d2 libata/ahci: accommodate tag ordered controllers 
The AHCI spec allows implementations to issue commands in tag order
rather than FIFO order:

	5.3.2.12 P:SelectCmd
	HBA sets pSlotLoc = (pSlotLoc + 1) mod (CAP.NCS + 1)
	or HBA selects the command to issue that has had the
	PxCI bit set to '1' longer than any other command
	pending to be issued.

The result is that commands posted sequentially (time-wise) may play out
of sequence when issued by hardware.

This behavior has likely been hidden by drives that arrange for commands
to complete in issue order.  However, it appears recent drives (two from
different vendors that we have found so far) inflict out-of-order
completions as a matter of course.  So, we need to take care to maintain
ordered submission, otherwise we risk triggering a drive to fall out of
sequential-io automation and back to random-io processing, which incurs
large latency and degrades throughput.

This issue was found in simple benchmarks where QD=2 seq-write
performance was 30-50% *greater* than QD=32 seq-write performance.

Tagging for -stable and making the change globally since it has a low
risk-to-reward ratio.  Also, word is that recent versions of an unnamed
OS also does it this way now.  So, drives in the field are already
experienced with this tag ordering scheme.

Cc: <stable@vger.kernel.org>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ed Ciechanowski <ed.ciechanowski@intel.com>
Reviewed-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-18 15:56:03 -04:00
Alexander Gordeev
2cf532f5e6 ahci: Do not receive interrupts sent by dummy ports 
In multiple MSI mode all AHCI ports (including dummy) get assigned
separate MSI vectors and (as result of execution
pci_enable_msi_exact() function) separate IRQ numbers, (mapped to the
MSI vectors).

Therefore, although interrupts from dummy ports are not desired they
are still enabled. We do not request IRQs for dummy ports, but that
only means we do not assign AHCI-specific ISRs to corresponding IRQ
numbers.

As result, dummy port interrupts still could come and traverse all the
way from the PCI device to the kernel, causing unnecessary overhead.

This update disables IRQs for dummy ports and prevents the described
issue.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: David Milburn <dmilburn@redhat.com>
Cc: linux-ide@vger.kernel.org
Cc: stable@vger.kernel.org
Fixes: 5ca72c4f7c ("AHCI: Support multiple MSIs")
 2014-04-18 15:55:57 -04:00
Alexander Gordeev
ccf8f53cac ahci: Use pci_enable_msi_exact() instead of pci_enable_msi_range() 
The driver calls pci_enable_msi_range() function with the range of
[nvec..nvec] which is what pci_enable_msi_exact() function is for.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-17 09:59:24 -04:00
Alexander Gordeev
ab0f9e78b9 ahci: Ensure "MSI Revert to Single Message" mode is not enforced 
The AHCI specification allows hardware to choose to revert to
single MSI mode when fewer messages are allocated than requested.
Yet, at least ICH10 chipset reverts to single MSI mode even when
enough messages are allocated in some cases (see below).

This update forces the driver to not rely on initialization of
multiple MSIs mode alone and always check if "MSI Revert to
Single Message" (MRSM) mode was enforced by the controller and
fallback to the single MSI mode in case it did.

That prevents a situation when the driver configured multiple
per-port IRQ handlers, but the controller sends all port's
interrupts to a single IRQ, which could easily screw up the
interrupt handling and lead to delays and possibly crashes.

The fix was tested on a 6-port controller that successfully
reverted to the single MSI mode:

00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA
AHCI Controller (prog-if 01 [AHCI 1.0])
	Subsystem: Super Micro Computer Inc Device 10a7
	Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 101
	I/O ports at f110 [size=8]
	I/O ports at f100 [size=4]
	I/O ports at f0f0 [size=8]
	I/O ports at f0e0 [size=4]
	I/O ports at f020 [size=32]
	Memory at fbf00000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: [80] MSI: Enable+ Count=1/16 Maskable- 64bit-
	Capabilities: [70] Power Management version 3
	Capabilities: [a8] SATA HBA v1.0
	Capabilities: [b0] PCI Advanced Features
	Kernel driver in use: ahci

With 6 ports just 8 MSI vectors should be enough, but the adapter
enforces the MRSM mode when less than 16 vectors are written to
the Multiple Messages Enable PCI register. I instigated MRSM mode
by forcing @nvec to 8 in ahci_init_interrupts().

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: linux-ide@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-17 09:58:48 -04:00
David Milburn
9ae794ac5e ahci: do not request irq for dummy port 
System may crash in ahci_hw_interrupt() or ahci_thread_fn() when
accessing the interrupt status in a port's private_data if the port is
actually a DUMMY port.

00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA AHCI Controller

<snip console output for linux-3.15-rc1>
[    9.352080] ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 Gbps 0x1 impl SATA mode
[    9.352084] ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pio slum part ccc
[    9.368155] Console: switching to colour frame buffer device 128x48
[    9.439759] mgag200 0000:11:00.0: fb0: mgadrmfb frame buffer device
[    9.446765] mgag200 0000:11:00.0: registered panic notifier
[    9.470166] scsi1 : ahci
[    9.479166] scsi2 : ahci
[    9.488172] scsi3 : ahci
[    9.497174] scsi4 : ahci
[    9.506175] scsi5 : ahci
[    9.515174] scsi6 : ahci
[    9.518181] ata1: SATA max UDMA/133 abar m2048@0x95c00000 port 0x95c00100 irq 91
[    9.526448] ata2: DUMMY
[    9.529182] ata3: DUMMY
[    9.531916] ata4: DUMMY
[    9.534650] ata5: DUMMY
[    9.537382] ata6: DUMMY
[    9.576196] [drm] Initialized mgag200 1.0.0 20110418 for 0000:11:00.0 on minor 0
[    9.845257] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    9.865161] ata1.00: ATAPI: Optiarc DVD RW AD-7580S, FX04, max UDMA/100
[    9.891407] ata1.00: configured for UDMA/100
[    9.900525] scsi 1:0:0:0: CD-ROM            Optiarc  DVD RW AD-7580S  FX04 PQ: 0 ANSI: 5
[   10.247399] iTCO_vendor_support: vendor-support=0
[   10.261572] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[   10.269764] iTCO_wdt: unable to reset NO_REBOOT flag, device disabled by hardware/BIOS
[   10.301932] sd 0:2:0:0: [sda] 570310656 512-byte logical blocks: (291 GB/271 GiB)
[   10.317085] sd 0:2:0:0: [sda] Write Protect is off
[   10.328326] sd 0:2:0:0: [sda] Write cache: disabled, read cache: disabled, supports DPO and FUA
[   10.375452] BUG: unable to handle kernel NULL pointer dereference at 000000000000003c
[   10.384217] IP: [<ffffffffa0133df0>] ahci_hw_interrupt+0x100/0x130 [libahci]
[   10.392101] PGD 0
[   10.394353] Oops: 0000 [#1] SMP
[   10.397978] Modules linked in: sr_mod(+) cdrom sd_mod iTCO_wdt crc_t10dif iTCO_vendor_support crct10dif_common ahci libahci libata lpc_ich mfd_core mgag200 syscopyarea sysfillrect sysimgblt i2c_algo_bit drm_kms_helper ttm drm i2c_core megaraid_sas dm_mirror dm_region_hash
dm_log dm_mod
[   10.426499] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.0-rc1 #1
[   10.433495] Hardware name: QCI QSSC-S4R/QSSC-S4R, BIOS QSSC-S4R.QCI.01.00.S013.032920111005 03/29/2011
[   10.443886] task: ffffffff81906460 ti: ffffffff818f0000 task.ti: ffffffff818f0000
[   10.452239] RIP: 0010:[<ffffffffa0133df0>]  [<ffffffffa0133df0>] ahci_hw_interrupt+0x100/0x130 [libahci]
[   10.462838] RSP: 0018:ffff880033c03d98  EFLAGS: 00010046
[   10.468767] RAX: 0000000000a400a4 RBX: ffff880029a6bc18 RCX: 00000000fffffffa
[   10.476731] RDX: 00000000000000a4 RSI: ffff880029bb0000 RDI: ffff880029a6bc18
[   10.484696] RBP: ffff880033c03dc8 R08: 0000000000000000 R09: ffff88002f800490
[   10.492661] R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000
[   10.500625] R13: ffff880029a6bd98 R14: 0000000000000000 R15: ffffc90000194000
[   10.508590] FS:  0000000000000000(0000) GS:ffff880033c00000(0000) knlGS:0000000000000000
[   10.517623] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   10.524035] CR2: 000000000000003c CR3: 00000000328ff000 CR4: 00000000000007b0
[   10.531999] Stack:
[   10.534241]  0000000000000017 ffff880031ba7d00 000000000000005c ffff880031ba7d00
[   10.542535]  0000000000000000 000000000000005c ffff880033c03e10 ffffffff810c2a1e
[   10.550827]  ffff880031ae2900 000000008108fb4f ffff880031ae2900 ffff880031ae2984
[   10.559121] Call Trace:
[   10.561849]  <IRQ>
[   10.563994]  [<ffffffff810c2a1e>] handle_irq_event_percpu+0x3e/0x1a0
[   10.571309]  [<ffffffff810c2bbd>] handle_irq_event+0x3d/0x60
[   10.577631]  [<ffffffff810c4fdd>] try_one_irq.isra.6+0x8d/0xf0
[   10.584142]  [<ffffffff810c5313>] note_interrupt+0x173/0x1f0
[   10.590460]  [<ffffffff810c2a8e>] handle_irq_event_percpu+0xae/0x1a0
[   10.597554]  [<ffffffff810c2bbd>] handle_irq_event+0x3d/0x60
[   10.603872]  [<ffffffff810c5727>] handle_edge_irq+0x77/0x130
[   10.610199]  [<ffffffff81014b8f>] handle_irq+0xbf/0x150
[   10.616040]  [<ffffffff8109ff4e>] ? vtime_account_idle+0xe/0x50
[   10.622654]  [<ffffffff815fca1a>] ? atomic_notifier_call_chain+0x1a/0x20
[   10.630140]  [<ffffffff816038cf>] do_IRQ+0x4f/0xf0
[   10.635490]  [<ffffffff815f8aed>] common_interrupt+0x6d/0x6d
[   10.641805]  <EOI>
[   10.643950]  [<ffffffff8149ca9f>] ? cpuidle_enter_state+0x4f/0xc0
[   10.650972]  [<ffffffff8149ca98>] ? cpuidle_enter_state+0x48/0xc0
[   10.657775]  [<ffffffff8149cb47>] cpuidle_enter+0x17/0x20
[   10.663807]  [<ffffffff810b0070>] cpu_startup_entry+0x2c0/0x3d0
[   10.670423]  [<ffffffff815dfcc7>] rest_init+0x77/0x80
[   10.676065]  [<ffffffff81a60f47>] start_kernel+0x40f/0x41a
[   10.682190]  [<ffffffff81a60941>] ? repair_env_string+0x5c/0x5c
[   10.688799]  [<ffffffff81a60120>] ? early_idt_handlers+0x120/0x120
[   10.695699]  [<ffffffff81a605ee>] x86_64_start_reservations+0x2a/0x2c
[   10.702889]  [<ffffffff81a60733>] x86_64_start_kernel+0x143/0x152
[   10.709689] Code: a0 fc ff 85 c0 8b 4d d4 74 c3 48 8b 7b 08 89 ca 48 c7 c6 60 66 13 a0 31 c0 e8 9d 70 28 e1 8b 4d d4 eb aa 0f 1f 84 00 00 00 00 00 <45> 8b 64 24 3c 48 89 df e8 23 47 4c e1 41 83 fc 01 19 c0 48 83
[   10.731470] RIP  [<ffffffffa0133df0>] ahci_hw_interrupt+0x100/0x130 [libahci]
[   10.739441]  RSP <ffff880033c03d98>
[   10.743333] CR2: 000000000000003c
[   10.747032] ---[ end trace b6e82636970e2690 ]---
[   10.760190] Kernel panic - not syncing: Fatal exception in interrupt
[   10.767291] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)

Cc: Alexander Gordeev <agordeev@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-of-by: David Milburn <dmilburn@redhat.com>
Fixes: 5ca72c4f7c ("AHCI: Support multiple MSIs")
 2014-04-16 12:51:52 -04:00
Bartlomiej Zolnierkiewicz
3608aeff47 pata_samsung_cf: fix ata_host_activate() failure handling 
Add missing clk_disable() call to ata_host_activate() failure path.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-15 08:48:56 -04:00
Bartlomiej Zolnierkiewicz
151eea367c pata_arasan_cf: fix ata_host_activate() failure handling 
Add missing cf_exit() and clk_put() calls to ata_host_activate()
failure path.

Cc: Viresh Kumar <viresh.linux@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-14 13:50:03 -04:00
Jean Delvare
f5f85ee065 ata: fix i.MX AHCI driver dependencies 
The ahci_imx driver is only needed on Freescale i.MX platforms so
don't let it be built on other platforms, except for build test
purpose.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Richard Zhu <r65037@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2014-04-08 08:31:48 -04:00
Bartlomiej Zolnierkiewicz
27aa64b9d1 pata_at91: fix ata_host_activate() failure handling 
Add missing clk_put() call to ata_host_activate() failure path.

Sergei says,

  "Hm, I have once fixed that (see that *if* (!ret)) but looks like a
   later commit 477c87e908 (ARM:
   at91/pata: use gpio_is_valid to check the gpio) broke it again. :-(
   Would be good if the changelog did mention that..."

Cc: Andrew Victor <linux@maxim.org.za>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
 2014-04-02 13:17:31 -04:00
Martin K. Petersen
d121f7d0cb libata: Update queued trim blacklist for M5x0 drives 
Crucial/Micron M500 drives properly support queued DSM TRIM starting
with firmware MU05. Update the blacklist so we only disable queued trim
for older firmware releases.

Early M550 series drives suffer from the same issue as M500. A bugfix
firmware is in the pipeline but not ready yet. Until then, blacklist
queued trim for M550.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Chris Samuel <chris@csamuel.org>
Cc: Marc MERLIN <marc@merlins.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
 2014-04-02 13:10:21 -04:00
Tejun Heo
74c03eb630 libata: make AHCI_XGENE depend on PHY_XGENE 
AHCI_XGENE is only applicable on ARM64 but it can also be enabled for
compile testing; however, AHCI_XGENE selects PHY_XGENE which has other
arch specific dependencies.  This leads to the following warning when
enabling it on other archs for compile testing.

  warning: (AHCI_XGENE) selects PHY_XGENE which has unmet direct
  dependencies (HAS_IOMEM && OF && (ARM64 || COMPILE_TEST))

Selecting a config option which itself has dependencies can easily
lead to broken configurations.  For now, let's just make AHCI_XGENE
depend on PHY_XGENE which has all the necessary dependencies already.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Loc Ho <lho@apm.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
 2014-04-02 12:42:45 -04:00
Linus Torvalds
b33ce44299 Merge branch 'for-3.15/drivers' of git://git.kernel.dk/linux-block 
Pull block driver update from Jens Axboe:
 "On top of the core pull request, here's the pull request for the
  driver related changes for 3.15.  It contains:

   - Improvements for msi-x registration for block drivers (mtip32xx,
     skd, cciss, nvme) from Alexander Gordeev.

   - A round of cleanups and improvements for drbd from Andreas
     Gruenbacher and Rashika Kheria.

   - A round of clanups and improvements for bcache from Kent.

   - Removal of sleep_on() and friends in DAC960, ataflop, swim3 from
     Arnd Bergmann.

   - Bug fix for a bug in the mtip32xx async completion code from Sam
     Bradshaw.

   - Bug fix for accidentally bouncing IO on 32-bit platforms with
     mtip32xx from Felipe Franciosi"

* 'for-3.15/drivers' of git://git.kernel.dk/linux-block: (103 commits)
  bcache: remove nested function usage
  bcache: Kill bucket->gc_gen
  bcache: Kill unused freelist
  bcache: Rework btree cache reserve handling
  bcache: Kill btree_io_wq
  bcache: btree locking rework
  bcache: Fix a race when freeing btree nodes
  bcache: Add a real GC_MARK_RECLAIMABLE
  bcache: Add bch_keylist_init_single()
  bcache: Improve priority_stats
  bcache: Better alloc tracepoints
  bcache: Kill dead cgroup code
  bcache: stop moving_gc marking buckets that can't be moved.
  bcache: Fix moving_pred()
  bcache: Fix moving_gc deadlocking with a foreground write
  bcache: Fix discard granularity
  bcache: Fix another bug recovering from unclean shutdown
  bcache: Fix a bug recovering from unclean shutdown
  bcache: Fix a journalling reclaim after recovery bug
  bcache: Fix a null ptr deref in journal replay
  ...
 2014-04-01 19:43:53 -07:00
Linus Torvalds
7a48837732 Merge branch 'for-3.15/core' of git://git.kernel.dk/linux-block 
Pull core block layer updates from Jens Axboe:
 "This is the pull request for the core block IO bits for the 3.15
  kernel.  It's a smaller round this time, it contains:

   - Various little blk-mq fixes and additions from Christoph and
     myself.

   - Cleanup of the IPI usage from the block layer, and associated
     helper code.  From Frederic Weisbecker and Jan Kara.

   - Duplicate code cleanup in bio-integrity from Gu Zheng.  This will
     give you a merge conflict, but that should be easy to resolve.

   - blk-mq notify spinlock fix for RT from Mike Galbraith.

   - A blktrace partial accounting bug fix from Roman Pen.

   - Missing REQ_SYNC detection fix for blk-mq from Shaohua Li"

* 'for-3.15/core' of git://git.kernel.dk/linux-block: (25 commits)
  blk-mq: add REQ_SYNC early
  rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock
  blk-mq: support partial I/O completions
  blk-mq: merge blk_mq_insert_request and blk_mq_run_request
  blk-mq: remove blk_mq_alloc_rq
  blk-mq: don't dump CPU -> hw queue map on driver load
  blk-mq: fix wrong usage of hctx->state vs hctx->flags
  blk-mq: allow blk_mq_init_commands() to return failure
  block: remove old blk_iopoll_enabled variable
  blktrace: fix accounting of partially completed requests
  smp: Rename __smp_call_function_single() to smp_call_function_single_async()
  smp: Remove wait argument from __smp_call_function_single()
  watchdog: Simplify a little the IPI call
  smp: Move __smp_call_function_single() below its safe version
  smp: Consolidate the various smp_call_function_single() declensions
  smp: Teach __smp_call_function_single() to check for offline cpus
  smp: Remove unused list_head from csd
  smp: Iterate functions through llist_for_each_entry_safe()
  block: Stop abusing rq->csd.list in blk-softirq
  block: Remove useless IPI struct initialization
  ...
 2014-04-01 19:19:15 -07:00
Linus Torvalds
1a0b6abaea Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi 
Pull first round of SCSI updates from James Bottomley:
 "This patch consists of the usual driver updates (megaraid_sas,
  scsi_debug, qla2xxx, qla4xxx, lpfc, bnx2fc, be2iscsi, hpsa, ipr) plus
  an assortment of minor fixes and the first precursors of SCSI-MQ (the
  code path simplifications) and the bug fix for the USB oops on remove
  (which involves an infrastructure change, so is sent via the main tree
  with a delayed backport after a cycle in which it is shown to
  introduce no new bugs)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (196 commits)
  [SCSI] sd: Quiesce mode sense error messages
  [SCSI] add support for per-host cmd pools
  [SCSI] simplify command allocation and freeing a bit
  [SCSI] megaraid: simplify internal command handling
  [SCSI] ses: Use vpd information from scsi_device
  [SCSI] Add EVPD page 0x83 and 0x80 to sysfs
  [SCSI] Return VPD page length in scsi_vpd_inquiry()
  [SCSI] scsi_sysfs: Implement 'is_visible' callback
  [SCSI] hpsa: update driver version to 3.4.4-1
  [SCSI] hpsa: fix bad endif placement in RAID 5 mapper code
  [SCSI] qla2xxx: Fix build errors related to invalid print fields on some architectures.
  [SCSI] bfa: Replace large udelay() with mdelay()
  [SCSI] vmw_pvscsi: Some improvements in pvscsi driver.
  [SCSI] vmw_pvscsi: Add support for I/O requests coalescing.
  [SCSI] vmw_pvscsi: Fix pvscsi_abort() function.
  [SCSI] remove deprecated IRQF_DISABLED from SCSI
  [SCSI] bfa: Updating Maintainers email ids
  [SCSI] ipr: Add new CCIN definition for Grand Canyon support
  [SCSI] ipr: Format HCAM overlay ID 0x21
  [SCSI] ipr: Use pci_enable_msi_range() and pci_enable_msix_range()
  ...
 2014-04-01 18:49:04 -07:00
Linus Torvalds
3e75c6de1a Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb 
Pull USB patches from Greg KH:
 "Here's the big USB pull request for 3.15-rc1.

  The normal set of patches, lots of controller driver updates, and a
  smattering of individual USB driver updates as well.

  All have been in linux-next for a while"

* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
  xhci: Transition maintainership to Mathias Nyman.
  USB: disable reset-resume when USB_QUIRK_RESET is set
  USB: unbind all interfaces before rebinding any
  usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
  usb: gadget: tcm_usb_gadget: stop format strings
  usb: gadget: f_fs: add missing spinlock and mutex unlock
  usb: gadget: composite: switch over to ERR_CAST()
  usb: gadget: inode: switch over to memdup_user()
  usb: gadget: f_subset: switch over to PTR_RET
  usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
  USB: keyspan: remove dead debugging code
  USB: serial: add missing newlines to dev_<level> messages.
  USB: serial: add missing braces
  USB: serial: continue to write on errors
  USB: serial: continue to read on errors
  USB: serial: make bulk_out_size a lower limit
  USB: cypress_m8: fix potential scheduling while atomic
  devicetree: bindings: document lsi,zevio-usb
  usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
  usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
  ...
 2014-04-01 17:06:09 -07:00
Linus Torvalds
cb15955638 Merge tag 'tty-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty 
Pull tty/serial driver update from Greg KH:
 "Here's the big tty/serial driver update for 3.15-rc1.

  Nothing major, a number of serial driver updates and a few tty core
  fixes as well.

  All have been in linux-next for a while"

* tag 'tty-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (71 commits)
  tty/serial: omap: empty the RX FIFO at the end of half-duplex TX
  tty/serial: omap: fix RX interrupt enable/disable in half-duplex TX
  serial: sh-sci: Neaten dev_<level> uses
  serial: sh-sci: Replace hardcoded 3 by UART_PM_STATE_OFF
  serial: sh-sci: Add more register documentation
  serial: sh-sci: Remove useless casts
  serial: sh-sci: Replace printk() by pr_*()
  serial_core: Avoid NULL pointer dereference in uart_close()
  serial_core: Get a reference for port->tty in uart_remove_one_port()
  serial: clps711x: Give a chance to perform useful tasks during wait loop
  serial_core: Grammar s/ports/port's/
  serial_core: Spelling s/contro/control/
  serial: efm32: properly namespace location property
  serial: max310x: Add missing #include <linux/uaccess.h>
  synclink: fix info leak in ioctl
  serial: 8250: Clean up the locking for -rt
  serial: 8250_pci: change BayTrail default uartclk
  serial: 8250_pci: more BayTrail error-free bauds
  serial: sh-sci: Add missing call to uart_remove_one_port() in failure path
  serial_core: Unregister console in uart_remove_one_port()
  ...
 2014-04-01 16:55:57 -07:00
Linus Torvalds
c12e69c6aa Merge tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging 
Pull staging driver updates from Greg KH:
 "Here's the huge drivers/staging/ update for 3.15-rc1.

  Loads of cleanup fixes, a few drivers removed, and some new ones
  added.

  All have been in linux-next for a while"

* tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1375 commits)
  staging: xillybus: XILLYBUS_PCIE depends on PCI_MSI
  staging: xillybus: Added "select CRC32" for XILLYBUS in Kconfig
  staging: comedi: poc: remove obsolete driver
  staging: unisys: replace kzalloc/kfree with UISMALLOC/UISFREE
  staging: octeon-usb: prevent memory corruption
  staging: usbip: fix line over 80 characters
  staging: usbip: fix quoted string split across lines
  Staging: unisys: Remove RETINT macro
  Staging: unisys: Remove FAIL macro
  Staging: unisys: Remove RETVOID macro
  Staging: unisys: Remove RETPTR macro
  Staging: unisys: Remove RETBOOL macro
  Staging: unisys: Remove FAIL_WPOSTCODE_1 macro
  Staging: unisys: Cleanup macros to get rid of goto statements
  Staging: unisys: include: Remove unused macros from timskmod.h
  staging: dgap: fix the rest of the checkpatch warnings in dgap.c
  Staging: bcm: Remove unnecessary parentheses
  staging: wlags49_h2: Delete unnecessary braces
  staging: wlags49_h2: Do not use assignment in if condition
  staging: wlags49_h2: Enclose macro in a do-while loop
  ...
 2014-04-01 16:45:00 -07:00
Linus Torvalds
158e0d3621 Merge tag 'driver-core-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core 
Pull driver core and sysfs updates from Greg KH:
 "Here's the big driver core / sysfs update for 3.15-rc1.

  Lots of kernfs updates to make it useful for other subsystems, and a
  few other tiny driver core patches.

  All have been in linux-next for a while"

* tag 'driver-core-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (42 commits)
  Revert "sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()"
  kernfs: cache atomic_write_len in kernfs_open_file
  numa: fix NULL pointer access and memory leak in unregister_one_node()
  Revert "driver core: synchronize device shutdown"
  kernfs: fix off by one error.
  kernfs: remove duplicate dir.c at the top dir
  x86: align x86 arch with generic CPU modalias handling
  cpu: add generic support for CPU feature based module autoloading
  sysfs: create bin_attributes under the requested group
  driver core: unexport static function create_syslog_header
  firmware: use power efficient workqueue for unloading and aborting fw load
  firmware: give a protection when map page failed
  firmware: google memconsole driver fixes
  firmware: fix google/gsmi duplicate efivars_sysfs_init()
  drivers/base: delete non-required instances of include <linux/init.h>
  kernfs: fix kernfs_node_from_dentry()
  ACPI / platform: drop redundant ACPI_HANDLE check
  kernfs: fix hash calculation in kernfs_rename_ns()
  kernfs: add CONFIG_KERNFS
  sysfs, kobject: add sysfs wrapper for kernfs_enable_ns()
  ...
 2014-04-01 16:28:19 -07:00
Linus Torvalds
675c354a95 Merge tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc 
Pull char/misc driver patches from Greg KH:
 "Here's the big char/misc driver updates for 3.15-rc1.

  Lots of various things here, including the new mcb driver subsystem.

  All of these have been in linux-next for a while"

* tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (118 commits)
  extcon: Move OF helper function to extcon core and change function name
  extcon: of: Remove unnecessary function call by using the name of device_node
  extcon: gpio: Use SIMPLE_DEV_PM_OPS macro
  extcon: palmas: Use SIMPLE_DEV_PM_OPS macro
  mei: don't use deprecated DEFINE_PCI_DEVICE_TABLE macro
  mei: amthif: fix checkpatch error
  mei: client.h fix checkpatch errors
  mei: use cl_dbg where appropriate
  mei: fix Unnecessary space after function pointer name
  mei: report consistently copy_from/to_user failures
  mei: drop pr_fmt macros
  mei: make me hw headers private to me hw.
  mei: fix memory leak of pending write cb objects
  mei: me: do not reset when less than expected data is received
  drivers: mcb: Fix build error discovered by 0-day bot
  cs5535-mfgpt: Simplify dependencies
  spmi: pm: drop bus-level PM suspend/resume routines
  spmi: pmic_arb: make selectable on ARCH_QCOM
  Drivers: hv: vmbus: Increase the limit on the number of pfns we can handle
  pch_phub: Report error writing MAC back to user
  ...
 2014-04-01 16:13:21 -07:00
Linus Torvalds
c70929147a Merge tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound 
Pull sound updates from Takashi Iwai:
 "There have been lots of changes in ALSA core, HD-audio and ASoC, also
  most of PCI drivers touched by conversions of printks.  All these
  resulted in a high volume and wide ranged patch sets in this release.
  Many changes are fairly trivial, but also lots of nice cleanups and
  refactors.  There are a few new drivers, most notably, the Intel
  Haswell and Baytrail ASoC driver.

  Core changes:
   - A bit modernization; embed the device struct into snd_card struct,
     so that it may be referred from the beginning.  A new
     snd_card_new() function is introduced for that, and all drivers
     have been converted.

   - Simplification in the device management code in ALSA core; now
     managed by a simple priority list instead

   - Converted many kernel messages to use the standard dev_err() & co;
     this would be the pretty visible difference, especially for
     HD-audio.

  HD-audio:
   - Conexant codecs use the auto-parser as default now; the old static
     code still remains in case of regressions.  Some old quirks have
     been rewritten with the fixups for auto-parser.

   - C-Media codecs also use the auto-parser as default now, too.

   - A device struct is assigned to each HD-audio codec, and the
     formerly hwdep attributes are accessible over the codec sysfs, too.
     hwdep attributes still remain for compatibility.

   - Split the PCI-specific stuff for HD-audio controller into a
     separate module, ane make a helper module for the generic
     controller driver.  This is a preliminary change for supporting
     Tegra HDMI controller in near future, which slipped from 3.15
     merge.

   - Device-specific fixes: mute LED support for Lenovo Ideapad, mic LED
     fix for HP laptops, more ASUS subwoofer quirks, yet more Dell
     laptop headset quirks

   - Make the HD-audio codec response a bit more robust

   - A few improvements on Realtek ALC282 / 283 about the pop noises

   - A couple of Intel HDMI fixes

  ASoC:
   - Lots of cleanups for enumerations; refactored lots of error prone
     original codes to use more modern APIs

   - Elimination of the ASoC level wrappers for I2C and SPI moving us
     closer to converting to regmap completely and avoiding some
     randconfig hassle

   - Provide both manually and transparently locked DAPM APIs rather
     than a mix of the two fixing some concurrency issues

   - Start converting CODEC drivers to use separate bus interface
     drivers rather than having them all in one file helping avoid
     dependency issues

   - DPCM support for Intel Haswell and Bay Trail platforms, lots of
     fixes

   - Lots of work on improvements for simple-card, DaVinci and the
     Renesas rcar drivers.

   - New drivers for Analog Devices ADAU1977, TI PCM512x and parts of
     the CSR SiRF SoC, TLV320AIC31XXX, Armada 370 DB, Cirrus cs42xx8

   - Fixes for the simple-card DAI format DT mess

   - DT support for a couple more devices.

   - Use of the tdm_slot mapping in a few drivers

  Others:
   - Support of reset_resume callback for improved S4 in USB-audio
     driver; the device with boot quirks have been little tested, which
     we need to watch out in this development cycle

   - Add PM support for ICE1712 driver (finally!); it's still pretty
     partial support, only for M-Audio devices"

* tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (610 commits)
  ALSA: ice1712: Add suspend support for M-Audio ICE1712-based cards
  ALSA: ice1712: add suspend support for ICE1712 chip
  ALSA: hda - Enable beep for ASUS 1015E
  ALSA: asihpi: fix some indenting in snd_card_asihpi_pcm_new()
  ALSA: hda - add headset mic detect quirks for three Dell laptops
  ASoC: tegra: move AC97 clock handling to the machine driver
  ASoC: simple-card: Handle many DAI links
  ASoC: simple-card: Add DT documentation for multi-DAI links
  ASoC: simple-card: dynamically allocate the DAI link and properties
  ASoC: imx-ssi: Add .xlate_tdm_slot_mask() support.
  ASoC: fsl-esai: Add .xlate_tdm_slot_mask() support.
  ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support.
  ASoC: core: remove the 'of_' prefix of of_xlate_tdm_slot_mask.
  ASoC: rcar: subnode tidyup for renesas,rsnd.txt
  ASoC: Remove name_prefix unset during DAI link init hack
  ALSA: hda - Inform the unexpectedly ignored pins by auto-parser
  ASoC: rcar: bugfix: it cares about the non-src case
  ARM: bockw: fixup SND_SOC_DAIFMT_CBx_CFx flags
  ASoC: pcm: Drop incorrect double/extra frees
  ASoC: mfld_machine: Fix compile error
  ...
 2014-04-01 15:38:47 -07:00
Linus Torvalds
4b1779c2cf Merge tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci 
Pull PCI changes from Bjorn Helgaas:
 "Enumeration
   - Increment max correctly in pci_scan_bridge() (Andreas Noever)
   - Clarify the "scan anyway" comment in pci_scan_bridge() (Andreas Noever)
   - Assign CardBus bus number only during the second pass (Andreas Noever)
   - Use request_resource_conflict() instead of insert_ for bus numbers (Andreas Noever)
   - Make sure bus number resources stay within their parents bounds (Andreas Noever)
   - Remove pci_fixup_parent_subordinate_busnr() (Andreas Noever)
   - Check for child busses which use more bus numbers than allocated (Andreas Noever)
   - Don't scan random busses in pci_scan_bridge() (Andreas Noever)
   - x86: Drop pcibios_scan_root() check for bus already scanned (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata() (Bjorn Helgaas)
   - x86: Use pcibios_scan_root() instead of pci_scan_bus_on_node() (Bjorn Helgaas)
   - x86: Merge pci_scan_bus_on_node() into pcibios_scan_root() (Bjorn Helgaas)
   - x86: Drop return value of pcibios_scan_root() (Bjorn Helgaas)

  NUMA
   - x86: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus (Bjorn Helgaas)
   - x86: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node() (Bjorn Helgaas)
   - x86: Use NUMA_NO_NODE, not -1, for unknown node (Bjorn Helgaas)
   - x86: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ia64: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node (Bjorn Helgaas)
   - ia64: Remove acpi_get_pxm() usage (Bjorn Helgaas)
   - ACPI: Fix acpi_get_node() prototype (Bjorn Helgaas)

  Resource management
   - i2o: Fix and refactor PCI space allocation (Bjorn Helgaas)
   - Add resource_contains() (Bjorn Helgaas)
   - Add %pR support for IORESOURCE_UNSET (Bjorn Helgaas)
   - Mark resources as IORESOURCE_UNSET if we can't assign them (Bjorn Helgaas)
   - Don't clear IORESOURCE_UNSET when updating BAR (Bjorn Helgaas)
   - Check IORESOURCE_UNSET before updating BAR (Bjorn Helgaas)
   - Don't try to claim IORESOURCE_UNSET resources (Bjorn Helgaas)
   - Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit (Bjorn Helgaas)
   - Don't enable decoding if BAR hasn't been assigned an address (Bjorn Helgaas)
   - Add "weak" generic pcibios_enable_device() implementation (Bjorn Helgaas)
   - alpha, microblaze, sh, sparc, tile: Use default pcibios_enable_device() (Bjorn Helgaas)
   - s390: Use generic pci_enable_resources() (Bjorn Helgaas)
   - Don't check resource_size() in pci_bus_alloc_resource() (Bjorn Helgaas)
   - Set type in __request_region() (Bjorn Helgaas)
   - Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region() (Bjorn Helgaas)
   - Change pci_bus_alloc_resource() type_mask to unsigned long (Bjorn Helgaas)
   - Log IDE resource quirk in dmesg (Bjorn Helgaas)
   - Revert "[PATCH] Insert GART region into resource map" (Bjorn Helgaas)

  PCI device hotplug
   - Make check_link_active() non-static (Rajat Jain)
   - Use link change notifications for hot-plug and removal (Rajat Jain)
   - Enable link state change notifications (Rajat Jain)
   - Don't disable the link permanently during removal (Rajat Jain)
   - Don't check adapter or latch status while disabling (Rajat Jain)
   - Disable link notification across slot reset (Rajat Jain)
   - Ensure very fast hotplug events are also processed (Rajat Jain)
   - Add hotplug_lock to serialize hotplug events (Rajat Jain)
   - Remove a non-existent card, regardless of "surprise" capability (Rajat Jain)
   - Don't turn slot off when hot-added device already exists (Yijing Wang)

  MSI
   - Keep pci_enable_msi() documentation (Alexander Gordeev)
   - ahci: Fix broken single MSI fallback (Alexander Gordeev)
   - ahci, vfio: Use pci_enable_msi_range() (Alexander Gordeev)
   - Check kmalloc() return value, fix leak of name (Greg Kroah-Hartman)
   - Fix leak of msi_attrs (Greg Kroah-Hartman)
   - Fix pci_msix_vec_count() htmldocs failure (Masanari Iida)

  Virtualization
   - Device-specific ACS support (Alex Williamson)

  Freescale i.MX6
   - Wait for retraining (Marek Vasut)

  Marvell MVEBU
   - Use Device ID and revision from underlying endpoint (Andrew Lunn)
   - Fix incorrect size for PCI aperture resources (Jason Gunthorpe)
   - Call request_resource() on the apertures (Jason Gunthorpe)
   - Fix potential issue in range parsing (Jean-Jacques Hiblot)

  Renesas R-Car
   - Check platform_get_irq() return code (Ben Dooks)
   - Add error interrupt handling (Ben Dooks)
   - Fix bridge logic configuration accesses (Ben Dooks)
   - Register each instance independently (Magnus Damm)
   - Break out window size handling (Magnus Damm)
   - Make the Kconfig dependencies more generic (Magnus Damm)

  Synopsys DesignWare
   - Fix RC BAR to be single 64-bit non-prefetchable memory (Mohit Kumar)

  Miscellaneous
   - Remove unused SR-IOV VF Migration support (Bjorn Helgaas)
   - Enable INTx if BIOS left them disabled (Bjorn Helgaas)
   - Fix hex vs decimal typo in cpqhpc_probe() (Dan Carpenter)
   - Clean up par-arch object file list (Liviu Dudau)
   - Set IORESOURCE_ROM_SHADOW only for the default VGA device (Sander Eikelenboom)
   - ACPI, ARM, drm, powerpc, pcmcia, PCI: Use list_for_each_entry() for bus traversal (Yijing Wang)
   - Fix pci_bus_b() build failure (Paul Gortmaker)"

* tag 'pci-v3.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (108 commits)
  Revert "[PATCH] Insert GART region into resource map"
  PCI: Log IDE resource quirk in dmesg
  PCI: Change pci_bus_alloc_resource() type_mask to unsigned long
  PCI: Check all IORESOURCE_TYPE_BITS in pci_bus_alloc_from_region()
  resources: Set type in __request_region()
  PCI: Don't check resource_size() in pci_bus_alloc_resource()
  s390/PCI: Use generic pci_enable_resources()
  tile PCI RC: Use default pcibios_enable_device()
  sparc/PCI: Use default pcibios_enable_device() (Leon only)
  sh/PCI: Use default pcibios_enable_device()
  microblaze/PCI: Use default pcibios_enable_device()
  alpha/PCI: Use default pcibios_enable_device()
  PCI: Add "weak" generic pcibios_enable_device() implementation
  PCI: Don't enable decoding if BAR hasn't been assigned an address
  PCI: Enable INTx in pci_reenable_device() only when MSI/MSI-X not enabled
  PCI: Mark 64-bit resource as IORESOURCE_UNSET if we only support 32-bit
  PCI: Don't try to claim IORESOURCE_UNSET resources
  PCI: Check IORESOURCE_UNSET before updating BAR
  PCI: Don't clear IORESOURCE_UNSET when updating BAR
  PCI: Mark resources as IORESOURCE_UNSET if we can't assign them
  ...

Conflicts:
	arch/x86/include/asm/topology.h
	drivers/ata/ahci.c
 2014-04-01 15:14:04 -07:00
Linus Torvalds
62ff577fa2 Merge tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp 
Pull EDAC updates from Borislav Petkov:
 "A bunch of EDAC updates all over the place:

   - Support for new AMD models, along with more graceful fallback for
     unsupported hw.

   - Bunch of fixes from SUSE accumulated from bug reports

   - Misc other fixes and cleanups"

* tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Add support for newer F16h models
  i7core_edac: Drop unused variable
  i82875p_edac: Drop redundant call to pci_get_device()
  amd8111_edac: Fix leaks in probe error paths
  e752x_edac: Drop pvt->bridge_ck
  MCE, AMD: Fix decoding module loading on unsupported hw
  i5100_edac: Remove an unneeded condition in i5100_init_csrows()
  sb_edac: Degrade log level for device registration
  amd64_edac: Fix logic to determine channel for F15 M30h processors
  edac/85xx: Remove deprecated IRQF_DISABLED
  i3200_edac: Add a missing pci_disable_device() on the exit path
  i5400_edac: Disable device when unloading module
  e752x_edac: Simplify call to pci_get_device()
 2014-04-01 13:54:00 -07:00
Linus Torvalds
26f31fb936 Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging 
Pull hwmon updates from Guenter Roeck:
 - New drivers for ADC128D818, LTC2945, LTC4260, and LTC4222
 - Added support for LTM4676 to ltc2978 driver
 - Converted several drivers to use devm_hwmon_device_register_with_groups
 - Various cleanup in several drivers

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (36 commits)
  hwmon: (pmbus/ltc2978) Add support for LTM4676
  hwmon: (pmbus/ltc2978) Add new chip ID for LTC2974
  hwmon: Do not accept invalid name attributes
  hwmon: (max6639) Use SIMPLE_DEV_PM_OPS macro
  hwmon: (lm95245) Make temp2_crit_hyst read-only
  hwmon: (lm95245) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (lm95245) Drop useless debug message
  hwmon: (lm95245) Fix hysteresis temperatures
  hwmon: (max6639) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (max6639) Introduce local dev variable, and reduce noisiness
  hwmon: (max6650) Introduce local 'dev' variable
  hwmon: (max6650) Drop error message after memory allocation failures
  hwmon: (max6650) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (max6650) Rearrange code to no longer require forward declarations
  hwmon: (ltc4215) Convert to devm_hwmon_device_register_with_groups
  hwmon: (coretemp) Convert to use devm_hwmon_device_register_with_groups
  hwmon: (coretemp) Allocate platform data with devm_kzalloc
  hwmon: (coretemp) Use sysfs_create_group to create sysfs attributes
  hwmon: (ltc4245) Remove devicetree conditionals
  hwmon: (ltc4245) Drop debug messages
  ...
 2014-04-01 13:51:48 -07:00
Linus Torvalds
0c8cfbade0 Merge git://www.linux-watchdog.org/linux-watchdog 
Pull watchdog updates from Wim Van Sebroeck:
 "This patchset contains:
   - Various small clean-ups and fixes
   - boot logic hanegs for mpc8xxx_wdt
   - it87_wdt: Work around non-working CIR interrupts
   - iTCO_wdt: Fix the parent device
   - Kconfig dependencies
   - simplification of code with devm_ioremap_resource() or
     platform_driver_probe()
   - conversion of xilinx watchdog driver to Generic watchdog Framework
   - addition of extra functionality and devices for the xilinx watchdog
     driver
   - Addition of Tegra watchdog"

* git://www.linux-watchdog.org/linux-watchdog: (38 commits)
  watchdog: Fix Elan SC520 dependencies
  watchdog: ib700wdt: Use platform_driver_probe
  watchdog: geodewdt: Use platform_driver_probe
  watchdog: advantechwdt: Use platform_driver_probe
  watchdog: acquirewdt: Use platform_driver_probe
  watchdog: iTCO_wdt: Fix the parent device
  watchdog: it87_wdt: Work around non-working CIR interrupts
  watchdog: bcm281xx: Fix Kconfig dependency
  watchdog: s3c2410_wdt: Check return value of clk_prepare_enable
  watchdog: s3c2410_wdt: Remove unneeded initialization
  watchdog: sunxi: Change compatibles
  watchdog: orion: prepare new Dove DT Kconfig variable
  watchdog: fix checkpatch warnings and error
  watchdog: Add tegra watchdog
  watchdog: xilinx: Remove no_timeout variable
  watchdog: xilinx: Enable this driver for Zynq
  watchdog: xilinx: Add missing binding
  watchdog: xilinx: Use correct comment indentation
  watchdog: xilinx: Use of_property_read_u32
  watchdog: xilinx: Fix all printk messages
  ...
 2014-04-01 13:49:56 -07:00
Linus Torvalds
c12ac9f98e Merge tag 'spi-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi 
Pull spi Updates from Mark Brown:
 "A busy release for both cleanups and new drivers this time along with
  further factoring out of replicated code into the core:

   - Provide support in the core for DMA mapping transfers - essentially
     all drivers weren't implementing this properly, now there's no
     excuse.
   - Dual and quad mode support for spidev.
   - Fix handling of cs_change in the generic implementation.
   - Remove the S3C_DMA code from the s3c64xx driver now that all the
     platforms using it have been converted to dmaengine.
   - Lots of improvements to the Renesas SPI controllers.
   - Drivers for Allwinner A10 and A31, Qualcomm QUP and Xylinx xtfpga.
   - Removal of the bitrotted ti-ssp driver"

* tag 'spi-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (199 commits)
  spi: Fix handling of cs_change in core implementation
  spi: bitbang: Make spi_bitbang_stop() return void
  spi: mpc52xx: Convert to use bits_per_word_mask
  spi: omap-100k: Fix memory leak
  spi: dw: Don't call kfree for memory allocated by devm_kzalloc
  spi: fsl-dspi: Fix memory leak
  spi: omap-uwire: add missing iounmap
  spi: clps711x: Convert to use master->max_speed_hz
  spi: clps711x: Enable driver compilation with COMPILE_TEST
  spi: omap-uwire: Remove full duplex check
  spi: Do not require a completion
  spi: topcliff-pch: Transform noisy message to dev_vdbg
  spi: coldfire-qspi: Simplify the code to set register bits for transfer speed
  spi: bcm63xx: Remove unused define for PFX
  spi: efm32: use $vendor,$device scheme for compatible string
  spi: clps711x: Remove <mach/hardware.h> dependency
  spi: topcliff-pch: Properly unregister platform devices on probe() error paths
  spi: fsl-espi: Remove unused bits_per_word variable in fsl_espi_bufs
  spi: altera: Remove the code to get unused platform_data
  spi: fsl-lib: Fix memory leak of pinfo
  ...
 2014-04-01 13:23:53 -07:00