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2014-01-04USB: serial: remove redundant OOM messagesJohan Hovold21-217/+74
Remove redundant error messages on allocation failures, which have already been logged. Cc: Joe Perches <joe@perches.com> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-04USB: serial: clean up ioctl debuggingJohan Hovold12-33/+2
Remove redundant ioctl debugging from subdrivers. The ioctl request code has already been logged by usb-serial core. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-04USB: serial: constify device-id tablesJohan Hovold7-12/+12
Declare device-id tables as const where possible. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-04USB: pl2303: fix data corruption on termios updatesJohan Hovold1-9/+25
Some PL2303 devices are known to lose bytes if you change serial settings even to the same values as before. Avoid this by comparing the encoded settings with the previsouly used ones before configuring the device. The common case was fixed by commit bf5e5834bffc6 ("pl2303: Fix mode switching regression"), but this problem was still possible to trigger, for instance, by using the TCSETS2-interface to repeatedly request 115201 baud, which gets mapped to 115200 and thus always triggers a settings update. Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-04Merge tag 'usb-for-v3.14' of ↵Greg Kroah-Hartman116-1272/+6435
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: changes for v3.14 merge window This pull request is quite extensive, containing 105 non-merge commits. Because of that, we describe the changes in sections below: New drivers: - Keystone PHY driver and DWC3 Glue Layer - Aeroflex Gaisler GRUSBDC - Tahvo PHY driver for N770 - JZ4740 MUSB gluer Layer - Broadcom PHY Driver Important new features: - MUSB DSPS learned about suspend/resume - New quirk_ep_out_aligned_size flag added to struct usb_gadget - DWC3 initializes the new quirk flag so gadget drivers can use it. - AM335x PHY Driver learns about remote wakeup - Renesas USBHS now requests DMA Engine only once - s3c-hsotg is now re-used on Broadcom devices - USB PHY layer now makes sure to initialize the notifier for all drivers - omap-control learned about TI's new AM437x devices - few other usb gadget/function drivers learned about the new configfs-based binding. Misc Fixes and Clean Ups: - Several sparse fixes all over the place - Removal of redundant of_match_ptr() - r-car gen2 phy now uses usb_add_phy_dev() - removal of DEFINE_PCI_DEVICE_TABLE() from a few drivers - conversion to clk_prepare/clk_unprepare on r8a66597-udc - some randconfig errors and build warnings were fixed - removal of unnecessary lock on dwc3-omap.c Signed-of-by: Felipe Balbi <balbi@ti.com>
2013-12-26usb: phy: keystone: remove redundant return value check of ↵Wei Yongjun1-5/+0
platform_get_resource() Remove unneeded error handling on the result of a call to platform_get_resource() when the value is passed to devm_ioremap_resource(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-26usb: musb: Remove usb_disable() check in module_init()Ezequiel Garcia1-16/+1
Removing the check to usb_disable() before registering the platform driver allows to build this driver when !USB && USB_GADGET, to be used in gadget-only mode. Also, use module_platform_driver() to register the platform driver. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24Merge 3.13-rc5 into usb-nextGreg Kroah-Hartman217-1111/+2083
This resolves the merge issue with drivers/usb/host/ohci-at91.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-24usb: gadget: at91_udc: fix build warningFelipe Balbi1-7/+7
commit e117e742 (usb: gadget: add "maxpacket_limit" field to struct usb_ep) added a build warning to at91_udc when it passed the wrong argument to usb_ep_set_maxpacket_limit(). Fix this by passing correct argument. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24usb: gadget: Add UDC driver for Aeroflex Gaisler GRUSBDCAndreas Larsson5-0/+2498
This adds an UDC driver for GRUSBDC USB Device Controller cores available in the GRLIB VHDL IP core library. The driver only supports DMA mode. Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24phy: add Broadcom Kona USB2 PHY driverMatt Porter3-0/+165
Add a driver for the internal Broadcom Kona USB 2.0 PHY found on the BCM281xx family of SoCs. Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24phy: add Broadcom Kona USB2 PHY DT bindingMatt Porter1-0/+15
Add a binding that describes the Broadcom Kona USB2 PHY found on the BCM281xx family of SoCs. Signed-off-by: Matt Porter <mporter@linaro.org> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24usb: gadget: s3c-hsotg: get phy bus width from phy subsystemMatt Porter2-1/+14
Adds support for querying the phy bus width from the generic phy subsystem. Configure UTMI bus width in GUSBCFG based on this value. Signed-off-by: Matt Porter <mporter@linaro.org> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24usb: gadget: s3c-hsotg: enable generic phy supportMatt Porter1-16/+39
Adds support for the generic PHY subsystem. Generic PHY support is probed and then the driver falls back to checking for an old style USB PHY and pdata if not found. Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24usb: gadget: s3c-hsotg: add snps,dwc2 compatible stringMatt Porter1-0/+1
Enable support for the dwc2 binding. Signed-off-by: Matt Porter <mporter@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24usb: gadget: s3c-hsotg: enable build for other platformsMatt Porter2-6/+4
Remove unused Samsung-specific machine include and Kconfig dependency on S3C. Signed-off-by: Matt Porter <mporter@linaro.org> Reviewed-by: Markus Mayer <markus.mayer@linaro.org> Reviewed-by: Tim Kryger <tim.kryger@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24staging: dwc2: update DT binding to add generic clock/phy propertiesMatt Porter1-0/+12
dwc2/s3c-hsotg require a single clock to be specified and optionally a generic phy. On the s3c-hsotg driver old style USB phy support is present as a fallback so the generic phy properties are optional. Signed-off-by: Matt Porter <mporter@linaro.org> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-24phy: add phy_get_bus_width()/phy_set_bus_width() callsMatt Porter1-0/+28
This adds a pair of APIs that allows the generic PHY subsystem to provide information on the PHY bus width. The PHY provider driver may use phy_set_bus_width() to set the bus width that the PHY supports. The controller driver may then use phy_get_bus_width() to fetch the PHY bus width in order to properly configure the controller. Signed-off-by: Matt Porter <mporter@linaro.org> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23Merge tag 'v3.13-rc5' into nextFelipe Balbi218-1111/+2084
Linux 3.13-rc5 * tag 'v3.13-rc5': (231 commits) Linux 3.13-rc5 aio: clean up and fix aio_setup_ring page mapping aio/migratepages: make aio migrate pages sane aio: fix kioctx leak introduced by "aio: Fix a trinity splat" Don't set the INITRD_COMPRESS environment variable automatically mm: fix build of split ptlock code pstore: Don't allow high traffic options on fragile devices mm: do not allocate page->ptl dynamically, if spinlock_t fits to long mm: page_alloc: revert NUMA aspect of fair allocation policy Revert "mm: page_alloc: exclude unreclaimable allocations from zone fairness policy" mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure target: Remove extra percpu_ref_init arm64: ptrace: avoid using HW_BREAKPOINT_EMPTY for disabled events ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h target/file: Update hw_max_sectors based on current block_size iser-target: Move INIT_WORK setup into isert_create_device_ib_res iscsi-target: Fix incorrect np->np_thread NULL assignment mm/hugetlb: check for pte NULL pointer in __page_check_address() fix build with make 3.80 ... Conflicts: drivers/usb/phy/Kconfig
2013-12-23usb: musb: Rework USB and USB_GADGET dependencyEzequiel Garcia2-6/+6
This USB controller can work in as host-only, gadget-only or dual-role modes. Rework the dependency on the USB and USB_GADGET configs in order to allow building the driver when !USB or !USG_GADGET. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy: fix some Kconfig descriptionsAaro Koskinen1-3/+3
Some module names are not up to date in Kconfig help texts. Fix that. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy: isp1301-omap: fix smatch warningsAaro Koskinen1-5/+4
phy-isp1301-omap produces the following smatch warnings: drivers/usb/phy/phy-isp1301-omap.c:1280 isp1301_set_host() warn: variable dereferenced before check 'otg' (see line 1278) drivers/usb/phy/phy-isp1301-omap.c:1336 isp1301_set_peripheral() warn: variable dereferenced before check 'otg' (see line 1334) drivers/usb/phy/phy-isp1301-omap.c:1417 isp1301_start_srp() warn: variable dereferenced before check 'otg' (see line 1414) drivers/usb/phy/phy-isp1301-omap.c:1445 isp1301_start_hnp() warn: variable dereferenced before check 'otg' (see line 1442) Fix by deleting bogus NULL pointer checks. The USB framework will always call us with a valid OTG pointer. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy: tahvo: fix smatch warningsAaro Koskinen1-6/+0
phy-tahvo introduced the following smatch warnings: drivers/usb/phy/phy-tahvo.c:203 tahvo_usb_set_host() warn: variable dereferenced before check 'otg' (see line 199) drivers/usb/phy/phy-tahvo.c:235 tahvo_usb_set_peripheral() warn: variable dereferenced before check 'otg' (see line 231) Fix by deleting bogus NULL pointer checks. The USB framework will always call us with a valid OTG pointer. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy-twl6030: Add missing bracesSachin Kamat1-1/+1
Silences the below warning: WARNING: sizeof *twl should be sizeof(*twl) Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy-fsm: Staticize local symbolsSachin Kamat1-2/+2
Local symbols appearing only in this file are made static. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23usb: phy-keystone: Remove redundant of_match_ptr helperSachin Kamat1-1/+1
'keystone_usbphy_ids' is always compiled in. Hence the helper macro is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: WingMan Kwok <w-kwok2@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-23Linux 3.13-rc5v3.13-rc5Linus Torvalds1-1/+1
2013-12-22Merge tag 'fixes-for-linus' of ↵Linus Torvalds6-26/+61
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Much smaller batch of fixes this week. Biggest one is a revert of an OMAP display change that removed some non-DT pinmux code that was still needed for 3.13 to get DSI displays to work. There's also a fix that resolves some misdescribed GPIO controller resources on shmobile. The rest are mostly smaller fixes, a couple of MAINTAINERS updates, etc" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: Revert "ARM: OMAP2+: Remove legacy mux code for display.c" MAINTAINERS: Add keystone clock drivers MAINTAINERS: Add keystone git tree information ARM: s3c64xx: dt: Fix boot failure due to double clock initialization ARM: shmobile: r8a7790: Fix GPIO resources in DTS irqchip: renesas-intc-irqpin: Fix register bitfield shift calculation ARM: shmobile: lager: phy fixup needs CONFIG_PHYLIB
2013-12-22Merge tag 'firewire-fix' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fixlet from Stefan Richter: "A one-liner to reenable WRITE SAME over SBP-2 like in v3.8...v3.12. Buggy targets which could malfunction when being subjected to this command are already sufficiently protected by a scsi_level check in sd + SCSI core" * tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: sbp2: bring back WRITE SAME support
2013-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds10-49/+52
Pull SCSI target fixes from Nicholas Bellinger: "Mostly minor items this time around, the most notable being a FILEIO backend change to enforce hw_max_sectors based upon the current block_size to address a bug where large sized I/Os (> 1M) where being rejected" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure target: Remove extra percpu_ref_init target/file: Update hw_max_sectors based on current block_size iser-target: Move INIT_WORK setup into isert_create_device_ib_res iscsi-target: Fix incorrect np->np_thread NULL assignment qla2xxx: Fix schedule_delayed_work() for target timeout calculations iser-target: fix error return code in isert_create_device_ib_res() iscsi-target: Fix-up all zero data-length CDBs with R/W_BIT set target: Remove write-only stats fields and lock from struct se_node_acl iscsi-target: return -EINVAL on oversized configfs parameter
2013-12-22Merge git://git.kvack.org/~bcrl/aio-nextLinus Torvalds3-16/+55
Pull AIO leak fixes from Ben LaHaise: "I've put these two patches plus Linus's change through a round of tests, and it passes millions of iterations of the aio numa migratepage test, as well as a number of repetitions of a few simple read and write tests. The first patch fixes the memory leak Kent introduced, while the second patch makes aio_migratepage() much more paranoid and robust" * git://git.kvack.org/~bcrl/aio-next: aio/migratepages: make aio migrate pages sane aio: fix kioctx leak introduced by "aio: Fix a trinity splat"
2013-12-22aio: clean up and fix aio_setup_ring page mappingLinus Torvalds1-35/+23
Since commit 36bc08cc01709 ("fs/aio: Add support to aio ring pages migration") the aio ring setup code has used a special per-ring backing inode for the page allocations, rather than just using random anonymous pages. However, rather than remembering the pages as it allocated them, it would allocate the pages, insert them into the file mapping (dirty, so that they couldn't be free'd), and then forget about them. And then to look them up again, it would mmap the mapping, and then use "get_user_pages()" to get back an array of the pages we just created. Now, not only is that incredibly inefficient, it also leaked all the pages if the mmap failed (which could happen due to excessive number of mappings, for example). So clean it all up, making it much more straightforward. Also remove some left-overs of the previous (broken) mm_populate() usage that was removed in commit d6c355c7dabc ("aio: fix race in ring buffer page lookup introduced by page migration support") but left the pointless and now misleading MAP_POPULATE flag around. Tested-and-acked-by: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-22USB: core: remove CONFIG_USB_DEBUG usageGreg Kroah-Hartman3-18/+7
CONFIG_USB_DEBUG is going away, so remove the few places in the USB core that relied on them. This means that we always now do the "debug" checks for every urb submitted, which is a good idea, as who knows how many driver bugs we have been ignoring when people forget to enable this option. Also, with the overall speed of USB, doing these extra checks should not cause any additional overhead. Also, no longer announce all devices being added to the system if CONFIG_USB_DEBUG is enabled, as it's not going to be around much longer. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-22USB: gadget: fix up some comments about CONFIG_USB_DEBUGGreg Kroah-Hartman2-2/+2
These two gadget drivers said that their #endif was for CONFIG_USB_DEBUG, but they really were not, so fix them up to be correct. Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-22Merge tag 'for-usb-next-2013-12-20' of ↵Greg Kroah-Hartman3-7/+10
git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next Sarah writes: xhci: Cleanups, non-urgent fixes for 3.14. Happy Holidays, Greg! Here's four patches to be queued to usb-next for 3.14. One adds a module parameter to the xHCI driver to allow users to enable xHCI quirks without recompiling their kernel, which you've already said is fine. The second patch is a bug fix for new usbtest code that's only in usb-next. The third patch is simple cleanup. The last patch is a non-urgent bug fix for xHCI platform devices. The bug has been in the code since 3.9. You've been asking me to hold off on non-urgent bug fixes after -rc4/-rc5, so it can go into usb-next, and be backported to stable once 3.14 is out. These have all been tested over the past week. I did run across one oops, but it turned out to be a bug in 3.12, and therefore not related to any of these patches. Please queue these for usb-next and 3.14. Thanks, Sarah Sharp
2013-12-22aio/migratepages: make aio migrate pages saneBenjamin LaHaise3-15/+53
The arbitrary restriction on page counts offered by the core migrate_page_move_mapping() code results in rather suspicious looking fiddling with page reference counts in the aio_migratepage() operation. To fix this, make migrate_page_move_mapping() take an extra_count parameter that allows aio to tell the code about its own reference count on the page being migrated. While cleaning up aio_migratepage(), make it validate that the old page being passed in is actually what aio_migratepage() expects to prevent misbehaviour in the case of races. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
2013-12-22aio: fix kioctx leak introduced by "aio: Fix a trinity splat"Benjamin LaHaise1-1/+2
e34ecee2ae791df674dfb466ce40692ca6218e43 reworked the percpu reference counting to correct a bug trinity found. Unfortunately, the change lead to kioctxes being leaked because there was no final reference count to put. Add that reference count back in to fix things. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Cc: stable@vger.kernel.org
2013-12-21Don't set the INITRD_COMPRESS environment variable automaticallyLinus Torvalds1-1/+3
Commit 1bf49dd4be0b ("./Makefile: export initial ramdisk compression config option") started setting the INITRD_COMPRESS environment variable depending on which decompression models the kernel had available. That is completely broken. For example, we by default have CONFIG_RD_LZ4 enabled, and are able to decompress such an initrd, but the user tools to *create* such an initrd may not be availble. So trying to tell dracut to generate an lz4-compressed image just because we can decode such an image is completely inappropriate. Cc: J P <ppandit@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jan Beulich <JBeulich@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-21Merge tag 'xfs-for-linus-v3.13-rc5' of git://oss.sgi.com/xfs/xfsLinus Torvalds11-84/+168
Pull xfs bugfixes from Ben Myers: "This contains fixes for some asserts related to project quotas, a memory leak, a hang when disabling group or project quotas before disabling user quotas, Dave's email address, several fixes for the alignment of file allocation to stripe unit/width geometry, a fix for an assertion with xfs_zero_remaining_bytes, and the behavior of metadata writeback in the face of IO errors. Details: - fix memory leak in xfs_dir2_node_removename - fix quota assertion in xfs_setattr_size - fix quota assertions in xfs_qm_vop_create_dqattach - fix for hang when disabling group and project quotas before disabling user quotas - fix Dave Chinner's email address in MAINTAINERS - fix for file allocation alignment - fix for assertion in xfs_buf_stale by removing xfsbdstrat - fix for alignment with swalloc mount option - fix for "retry forever" semantics on IO errors" * tag 'xfs-for-linus-v3.13-rc5' of git://oss.sgi.com/xfs/xfs: xfs: abort metadata writeback on permanent errors xfs: swalloc doesn't align allocations properly xfs: remove xfsbdstrat error xfs: align initial file allocations correctly MAINTAINERS: fix incorrect mail address of XFS maintainer xfs: fix infinite loop by detaching the group/project hints from user dquot xfs: fix assertion failure at xfs_setattr_nonsize xfs: fix false assertion at xfs_qm_vop_create_dqattach xfs: fix memory leak in xfs_dir2_node_removename
2013-12-21mm: fix build of split ptlock codeOlof Johansson1-1/+1
Commit 597d795a2a78 ('mm: do not allocate page->ptl dynamically, if spinlock_t fits to long') restructures some allocators that are compiled even if USE_SPLIT_PTLOCKS arn't used. It results in compilation failure: mm/memory.c:4282:6: error: 'struct page' has no member named 'ptl' mm/memory.c:4288:12: error: 'struct page' has no member named 'ptl' Add in the missing ifdef. Fixes: 597d795a2a78 ('mm: do not allocate page->ptl dynamically, if spinlock_t fits to long') Signed-off-by: Olof Johansson <olof@lixom.net> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-21Merge tag 'arc-fixes-for-3.13-rc5' of ↵Linus Torvalds1-1/+7
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC fix from Vineet Gupta: "Fix busted syscall table due to unistd header inclusion issue" * tag 'arc-fixes-for-3.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h
2013-12-21Merge tag 'arm64-fixes' of ↵Linus Torvalds1-20/+18
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 ptrace fix from Catalin Marinas. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: ptrace: avoid using HW_BREAKPOINT_EMPTY for disabled events
2013-12-21pstore: Don't allow high traffic options on fragile devicesLuck, Tony4-2/+10
Some pstore backing devices use on board flash as persistent storage. These have limited numbers of write cycles so it is a poor idea to use them from high frequency operations. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-21usb: phy: Fix double lock in OTG FSMAnton Tikhomirov1-1/+1
Mutex obtained at the beginning of the function should be released at the end to avoid double locking. Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-21usb: musb: fix musb pointer acqusition in musb_host_finish_resumeDaniel Mack1-1/+1
This is a fall-out from "usb: musb: finish suspend/reset work independently from musb_hub_control()" that I missed because the MUSB_POWER register does not have the MUSB_POWER_SUSPENDM bit set on AM335x platforms; hence the code path was not travelled in my tests. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-21usb: musb: fix prototype for musb_port_resetDaniel Mack1-1/+1
musb_port_reset() takes a 2nd arguments. This didn't hit us yet because this function was never called externally prior to the musb_hub_control cleanup patch. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-21usb: phy: am335x: fix randconfig errorsFelipe Balbi1-6/+5
by using SET_SYSTEM_SLEEP_PM_OPS, we will make sure that we don't use undefined functions. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-21Merge tag 'dmaengine-fixes-3.13-rc4' of ↵Linus Torvalds9-109/+79
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine Pull dmaengine fixes from Dan Williams: - deprecation of net_dma to be removed in 3.14 - crash regression fix in pl330 from the dmaengine_unmap rework - crash regression fix for any channel running raid ops without CONFIG_ASYNC_TX_DMA from dmaengine_unmap - memory leak regression in mv_xor from dmaengine_unmap - build warning regressions in mv_xor, fsldma, ppc4xx, txx9, and at_hdmac from dmaengine_unmap - sleep in atomic regression in dma_async_memcpy_pg_to_pg - new fix in mv_xor for handling channel initialization failures * tag 'dmaengine-fixes-3.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine: net_dma: mark broken dma: pl330: ensure DMA descriptors are zero-initialised dmaengine: fix sleep in atomic dmaengine: mv_xor: fix oops when channels fail to initialise dma: mv_xor: Use dmaengine_unmap_data for the self-tests dmaengine: fix enable for high order unmap pools dma: fix build warnings in txx9 dmatest: fix build warning on mips dma: fix fsldma build warnings dma: fix build warnings in ppc4xx dmaengine: at_hdmac: remove unused function dma: mv_xor: remove mv_desc_get_dest_addr()
2013-12-21Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds13-62/+112
Pull KVM fixes from Paolo Bonzini: "The PPC folks had a large amount of changes queued for 3.13, and now they are fixing the bugs" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: PPC: Book3S HV: Don't drop low-order page address bits powerpc: book3s: kvm: Don't abuse host r2 in exit path powerpc/kvm/booke: Fix build break due to stack frame size warning KVM: PPC: Book3S: PR: Enable interrupts earlier KVM: PPC: Book3S: PR: Make svcpu -> vcpu store preempt savvy KVM: PPC: Book3S: PR: Export kvmppc_copy_to|from_svcpu KVM: PPC: Book3S: PR: Don't clobber our exit handler id powerpc: kvm: fix rare but potential deadlock scene KVM: PPC: Book3S HV: Take SRCU read lock around kvm_read_guest() call KVM: PPC: Book3S HV: Make tbacct_lock irq-safe KVM: PPC: Book3S HV: Refine barriers in guest entry/exit KVM: PPC: Book3S HV: Fix physical address calculations
2013-12-21mm: do not allocate page->ptl dynamically, if spinlock_t fits to longKirill A. Shutemov5-7/+8
In struct page we have enough space to fit long-size page->ptl there, but we use dynamically-allocated page->ptl if size(spinlock_t) is larger than sizeof(int). It hurts 64-bit architectures with CONFIG_GENERIC_LOCKBREAK, where sizeof(spinlock_t) == 8, but it easily fits into struct page. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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