1. 03 Sep, 2013 40 commits
    • Linus Torvalds's avatar
      Merge tag 'pci-v3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci · a9238741
      Linus Torvalds authored
      Pull PCI changes from Bjorn Helgaas:
      
        PCI device hotplug:
          - Use PCIe native hotplug, not ACPI hotplug, when possible (Neil Horman)
          - Assign resources on per-host bridge basis (Yinghai Lu)
      
        MPS (Max Payload Size):
          - Allow larger MPS settings below hotplug-capable Root Port (Yijing Wang)
          - Add warnings about unsafe MPS settings (Yijing Wang)
          - Simplify interface and messages (Bjorn Helgaas)
      
        SR-IOV:
          - Return -ENOSYS on non-SR-IOV devices (Stefan Assmann)
          - Update NumVFs register when disabling SR-IOV (Yijing Wang)
      
        Virtualization:
          - Add bus and slot reset support (Alex Williamson)
          - Fix ACS (Access Control Services) issues (Alex Williamson)
      
        Miscellaneous:
          - Simplify PCIe Capability accessors (Bjorn Helgaas)
          - Add pcibios_pm_ops for arch-specific hibernate stuff (Sebastian Ott)
          - Disable decoding during BAR sizing only when necessary (Zoltan Kiss)
          - Delay enabling bridges until they're needed (Yinghai Lu)
          - Split Designware support into Synopsys and Exynos parts (Jingoo Han)
          - Convert class code to use dev_groups (Greg Kroah-Hartman)
          - Cleanup Designware and Exynos I/O access wrappers (Seungwon Jeon)
          - Fix bridge I/O window alignment (Bjorn Helgaas)
          - Add pci_wait_for_pending_transaction() (Casey Leedom)
          - Use devm_ioremap_resource() in Marvell driver (Tushar Behera)
      
      * tag 'pci-v3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
        PCI/ACPI: Fix _OSC ordering to allow PCIe hotplug use when available
        PCI: exynos: Add I/O access wrappers
        PCI: designware: Drop "addr" arg from dw_pcie_readl_rc()/dw_pcie_writel_rc()
        PCI: Remove pcie_cap_has_devctl()
        PCI: Support PCIe Capability Slot registers only for ports with slots
        PCI: Remove PCIe Capability version checks
        PCI: Allow PCIe Capability link-related register access for switches
        PCI: Add offsets of PCIe capability registers
        PCI: Tidy bitmasks and spacing of PCIe capability definitions
        PCI: Remove obsolete comment reference to pci_pcie_cap2()
        PCI: Clarify PCI_EXP_TYPE_PCI_BRIDGE comment
        PCI: Rename PCIe capability definitions to follow convention
        PCI: Warn if unsafe MPS settings detected
        PCI: Fix MPS peer-to-peer DMA comment syntax
        PCI: Disable decoding for BAR sizing only when it was actually enabled
        PCI: Add comment about needing pci_msi_off() even when CONFIG_PCI_MSI=n
        PCI: Add pcibios_pm_ops for optional arch-specific hibernate functionality
        PCI: Don't restrict MPS for slots below Root Ports
        PCI: Simplify MPS test for Downstream Port
        PCI: Remove unnecessary check for pcie_get_mps() failure
        ...
      a9238741
    • Linus Torvalds's avatar
      Merge tag 'pm+acpi-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm · 40031da4
      Linus Torvalds authored
      Pull ACPI and power management updates from Rafael Wysocki:
      
       1) ACPI-based PCI hotplug (ACPIPHP) subsystem rework and introduction
          of Intel Thunderbolt support on systems that use ACPI for signalling
          Thunderbolt hotplug events.  This also should make ACPIPHP work in
          some cases in which it was known to have problems.  From
          Rafael J Wysocki, Mika Westerberg and Kirill A Shutemov.
      
       2) ACPI core code cleanups and dock station support cleanups from
          Jiang Liu and Rafael J Wysocki.
      
       3) Fixes for locking problems related to ACPI device hotplug from
          Rafael J Wysocki.
      
       4) ACPICA update to version 20130725 includig fixes, cleanups, support
          for more than 256 GPEs per GPE block and a change to make the ACPI
          PM Timer optional (we've seen systems without the PM Timer in the
          field already).  One of the fixes, related to the DeRefOf operator,
          is necessary to prevent some Windows 8 oriented AML from causing
          problems to happen.  From Bob Moore, Lv Zheng, and Jung-uk Kim.
      
       5) Removal of the old and long deprecated /proc/acpi/event interface
          and related driver changes from Thomas Renninger.
      
       6) ACPI and Xen changes to make the reduced hardware sleep work with
          the latter from Ben Guthro.
      
       7) ACPI video driver cleanups and a blacklist of systems that should
          not tell the BIOS that they are compatible with Windows 8 (or ACPI
          backlight and possibly other things will not work on them).  From
          Felipe Contreras.
      
       8) Assorted ACPI fixes and cleanups from Aaron Lu, Hanjun Guo,
          Kuppuswamy Sathyanarayanan, Lan Tianyu, Sachin Kamat, Tang Chen,
          Toshi Kani, and Wei Yongjun.
      
       9) cpufreq ondemand governor target frequency selection change to
          reduce oscillations between min and max frequencies (essentially,
          it causes the governor to choose target frequencies proportional
          to load) from Stratos Karafotis.
      
      10) cpufreq fixes allowing sysfs attributes file permissions to be
          preserved over suspend/resume cycles Srivatsa S Bhat.
      
      11) Removal of Device Tree parsing for CPU device nodes from multiple
          cpufreq drivers that required some changes related to
          of_get_cpu_node() to be made in a few architectures and in the
          driver core.  From Sudeep KarkadaNagesha.
      
      12) cpufreq core fixes and cleanups related to mutual exclusion and
          driver module references from Viresh Kumar, Lukasz Majewski and
          Rafael J Wysocki.
      
      13) Assorted cpufreq fixes and cleanups from Amit Daniel Kachhap,
          Bartlomiej Zolnierkiewicz, Hanjun Guo, Jingoo Han, Joseph Lo,
          Julia Lawall, Li Zhong, Mark Brown, Sascha Hauer, Stephen Boyd,
          Stratos Karafotis, and Viresh Kumar.
      
      14) Fixes to prevent race conditions in coupled cpuidle from happening
          from Colin Cross.
      
      15) cpuidle core fixes and cleanups from Daniel Lezcano and
          Tuukka Tikkanen.
      
      16) Assorted cpuidle fixes and cleanups from Daniel Lezcano,
          Geert Uytterhoeven, Jingoo Han, Julia Lawall, Linus Walleij,
          and Sahara.
      
      17) System sleep tracing changes from Todd E Brandt and Shuah Khan.
      
      18) PNP subsystem conversion to using struct dev_pm_ops for power
          management from Shuah Khan.
      
      * tag 'pm+acpi-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (217 commits)
        cpufreq: Don't use smp_processor_id() in preemptible context
        cpuidle: coupled: fix race condition between pokes and safe state
        cpuidle: coupled: abort idle if pokes are pending
        cpuidle: coupled: disable interrupts after entering safe state
        ACPI / hotplug: Remove containers synchronously
        driver core / ACPI: Avoid device hot remove locking issues
        cpufreq: governor: Fix typos in comments
        cpufreq: governors: Remove duplicate check of target freq in supported range
        cpufreq: Fix timer/workqueue corruption due to double queueing
        ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT
        ACPI / thermal: Add check of "_TZD" availability and evaluating result
        cpufreq: imx6q: Fix clock enable balance
        ACPI: blacklist win8 OSI for buggy laptops
        cpufreq: tegra: fix the wrong clock name
        cpuidle: Change struct menu_device field types
        cpuidle: Add a comment warning about possible overflow
        cpuidle: Fix variable domains in get_typical_interval()
        cpuidle: Fix menu_device->intervals type
        cpuidle: CodingStyle: Break up multiple assignments on single line
        cpuidle: Check called function parameter in get_typical_interval()
        ...
      40031da4
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending · dcaaaeac
      Linus Torvalds authored
      Pull SCSI target fixes from Nicholas Bellinger:
       "The first patch is to address a long standing issue where INQUIRY
        vendor + model response data was not correctly padded with ASCII
        spaces, causing MSFT and Falconstor multipath stacks to not function
        with our LUNs.
      
        The second -> forth patches are additional iscsi-target regression
        fixes for the post >= v3.10 iser-target changes.  The second and third
        are failure cases that have appeared during further testing, and the
        forth is only reproducible with malformed NOP packets.
      
        The fifth patch is a v3.11 specific regression caused by a recent
        optimization that showed up during WRITE I/O failure testing.
      
        I'll be sending Patch #1 and Patch #5 to Greg-KH separately for
        stable"
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
        target: Fix se_cmd->state_list leak regression during WRITE failure
        iscsi-target: Fix potential NULL pointer in solicited NOPOUT reject
        iscsi-target: Fix iscsit_transport reference leak during NP thread reset
        iscsi-target: Fix ImmediateData=Yes failure regression in >= v3.10
        target: Fix trailing ASCII space usage in INQUIRY vendor+model
      dcaaaeac
    • Linus Torvalds's avatar
      Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · f66c83d0
      Linus Torvalds authored
      Pull first round of SCSI updates from James Bottomley:
       "This patch set is a set of driver updates (ufs, zfcp, lpfc, mpt2/3sas,
        qla4xxx, qla2xxx [adding support for ISP8044 + other things]).
      
        We also have a new driver: esas2r which has a number of static checker
        problems, but which I expect to resolve over the -rc course of 3.12
        under the new driver exception.
      
        We also have the error return that were discussed at LSF"
      
      * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (118 commits)
        [SCSI] sg: push file descriptor list locking down to per-device locking
        [SCSI] sg: checking sdp->detached isn't protected when open
        [SCSI] sg: no need sg_open_exclusive_lock
        [SCSI] sg: use rwsem to solve race during exclusive open
        [SCSI] scsi_debug: fix logical block provisioning support when unmap_alignment != 0
        [SCSI] scsi_debug: fix endianness bug in sdebug_build_parts()
        [SCSI] qla2xxx: Update the driver version to 8.06.00.08-k.
        [SCSI] qla2xxx: print MAC via %pMR.
        [SCSI] qla2xxx: Correction to message ids.
        [SCSI] qla2xxx: Correctly print out/in mailbox registers.
        [SCSI] qla2xxx: Add a new interface to update versions.
        [SCSI] qla2xxx: Move queue depth ramp down message to i/o debug level.
        [SCSI] qla2xxx: Select link initialization option bits from current operating mode.
        [SCSI] qla2xxx: Add loopback IDC-TIME-EXTEND aen handling support.
        [SCSI] qla2xxx: Set default critical temperature value in cases when ISPFX00 firmware doesn't provide it
        [SCSI] qla2xxx: QLAFX00 make over temperature AEN handling informational, add log for normal temperature AEN
        [SCSI] qla2xxx: Correct Interrupt Register offset for ISPFX00
        [SCSI] qla2xxx: Remove handling of Shutdown Requested AEN from qlafx00_process_aen().
        [SCSI] qla2xxx: Send all AENs for ISPFx00 to above layers.
        [SCSI] qla2xxx: Add changes in initialization for ISPFX00 cards with BIOS
        ...
      f66c83d0
    • Luck, Tony's avatar
      lockref: Relax in cmpxchg loop · d472d9d9
      Luck, Tony authored
      While we are likley to succeed and break out of this loop, it isn't
      guaranteed.  We should be power and thread friendly if we do have to
      go around for a second (or third, or more) attempt.
      Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      d472d9d9
    • Linus Torvalds's avatar
      Merge tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty · 2f01ea90
      Linus Torvalds authored
      Pull tty/serial driver patches from Greg KH:
       "Here's the big tty/serial driver pull request for 3.12-rc1.
      
        Lots of n_tty reworks to resolve some very long-standing issues,
        removing the 3-4 different locks that were taken for every character.
        This code has been beaten on for a long time in linux-next with no
        reported regressions.
      
        Other than that, a range of serial and tty driver updates and
        revisions.  Full details in the shortlog"
      
      * tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (226 commits)
        hvc_xen: Remove unnecessary __GFP_ZERO from kzalloc
        serial: imx: initialize the local variable
        tty: ar933x_uart: add device tree support and binding documentation
        tty: ar933x_uart: allow to build the driver as a module
        ARM: dts: msm: Update uartdm compatible strings
        devicetree: serial: Document msm_serial bindings
        serial: unify serial bindings into a single dir
        serial: fsl-imx-uart: Cleanup duplicate device tree binding
        tty: ar933x_uart: use config_enabled() macro to clean up ifdefs
        tty: ar933x_uart: remove superfluous assignment of ar933x_uart_driver.nr
        tty: ar933x_uart: use the clk API to get the uart clock
        tty: serial: cpm_uart: Adding proper request of GPIO used by cpm_uart driver
        serial: sirf: fix the amount of serial ports
        serial: sirf: define macro for some magic numbers of USP
        serial: icom: move array overflow checks earlier
        TTY: amiserial, remove unnecessary platform_set_drvdata()
        serial: st-asc: remove unnecessary platform_set_drvdata()
        msm_serial: Send more than 1 character on the console w/ UARTDM
        msm_serial: Add support for non-GSBI UARTDM devices
        msm_serial: Switch clock consumer strings and simplify code
        ...
      2f01ea90
    • Linus Torvalds's avatar
      Merge tag 'staging-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging · 75114427
      Linus Torvalds authored
      Pull staging tree merge from Greg KH:
       "Here's the bit staging tree pull request for 3.12-rc1.
      
        Lots of staging driver updates, and fixes.  Lustre is finally enabled
        in the build, and lots of cleanup started happening in it.  There's a
        new wireless driver in here, and 2 new TTY drivers, which cause the
        overall lines added/removed to be quite large on the "added" side.
      
        The IIO driver updates are also coming through here, as they are tied
        to the staging iio drivers"
      
      * tag 'staging-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (942 commits)
        staging: dwc2: make dwc2_core_params documentation more complete
        staging: dwc2: validate the value for phy_utmi_width
        staging: dwc2: interpret all hwcfg and related register at init time
        staging: dwc2: properly mask the GRXFSIZ register
        staging: dwc2: remove redundant register reads
        staging: dwc2: re-use hptxfsiz variable
        staging: dwc2: simplify debug output in dwc_hc_init
        staging: dwc2: add missing shift
        staging: dwc2: simplify register shift expressions
        staging: dwc2: only read the snpsid register once
        staging: dwc2: unshift non-bool register value constants
        staging: dwc2: fix off-by-one in check for max_packet_count parameter
        staging: dwc2: remove specific fifo size constants
        Staging:BCM:DDRInit.c:Renaming __FUNCTION__
        staging: bcm: remove Version.h file.
        staging: rtl8188eu: off by one in rtw_set_802_11_add_wep()
        staging: r8188eu: copying one byte too much
        staging: rtl8188eu: || vs && typo
        staging: r8188eu: off by one bugs
        staging: crystalhd: Resolve sparse 'different base types' warnings.
        ...
      75114427
    • Linus Torvalds's avatar
      Merge tag 'driver-core-3.12-rc1' of... · 542a086a
      Linus Torvalds authored
      Merge tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
      
      Pull driver core patches from Greg KH:
       "Here's the big driver core pull request for 3.12-rc1.
      
        Lots of tiny changes here fixing up the way sysfs attributes are
        created, to try to make drivers simpler, and fix a whole class race
        conditions with creations of device attributes after the device was
        announced to userspace.
      
        All the various pieces are acked by the different subsystem
        maintainers"
      
      * tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (119 commits)
        firmware loader: fix pending_fw_head list corruption
        drivers/base/memory.c: introduce help macro to_memory_block
        dynamic debug: line queries failing due to uninitialized local variable
        sysfs: sysfs_create_groups returns a value.
        debugfs: provide debugfs_create_x64() when disabled
        rbd: convert bus code to use bus_groups
        firmware: dcdbas: use binary attribute groups
        sysfs: add sysfs_create/remove_groups for when SYSFS is not enabled
        driver core: add #include <linux/sysfs.h> to core files.
        HID: convert bus code to use dev_groups
        Input: serio: convert bus code to use drv_groups
        Input: gameport: convert bus code to use drv_groups
        driver core: firmware: use __ATTR_RW()
        driver core: core: use DEVICE_ATTR_RO
        driver core: bus: use DRIVER_ATTR_WO()
        driver core: create write-only attribute macros for devices and drivers
        sysfs: create __ATTR_WO()
        driver-core: platform: convert bus code to use dev_groups
        workqueue: convert bus code to use dev_groups
        MEI: convert bus code to use dev_groups
        ...
      542a086a
    • Linus Torvalds's avatar
      Merge tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc · 1d1fdd95
      Linus Torvalds authored
      Pull char/misc patches from Greg KH:
       "Here is the big char/misc driver pull request for 3.12-rc1
      
        Lots of driver updates all over the char/misc tree, full details in
        the shortlog"
      
      * tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (62 commits)
        drivers: uio: Kconfig: add MMU dependancy for UIO
        drivers: uio: Add driver for Humusoft MF624 DAQ PCI card
        drivers: uio_pdrv_genirq: use dev_get_platdata()
        drivers: uio_pruss: use dev_get_platdata()
        drivers: uio_dmem_genirq: use dev_get_platdata()
        drivers: parport: Kconfig: exclude h8300 for PARPORT_PC
        drivers: misc: ti-st: fix potential race if st_kim_start fails
        Drivers: hv: vmbus: Do not attempt to negoatiate a new version prematurely
        misc: vmw_balloon: Remove braces to fix build for clang.
        Drivers: hv: vmbus: Fix a bug in the handling of channel offers
        vme: vme_ca91cx42.c: fix to pass correct device identity to free_irq()
        VMCI: Add support for virtual IOMMU
        VMCI: Remove non-blocking/pinned queuepair support
        uio: uio_pruss: remove unnecessary platform_set_drvdata()
        parport: amiga: remove unnecessary platform_set_drvdata()
        vme: vme_vmivme7805.c: add missing __iomem annotation
        vme: vme_ca91cx42.c: add missing __iomem annotation
        vme: vme_tsi148.c: add missing __iomem annotation
        drivers/misc/hpilo: Correct panic when an AUX iLO is detected
        uio: drop unused vma_count member in uio_device struct
        ...
      1d1fdd95
    • Linus Torvalds's avatar
      Merge tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb · b3b49114
      Linus Torvalds authored
      Pull USB patches from Greg KH:
       "Here's the big USB driver pull request for 3.12-rc1
      
        Lots of USB driver fixes and updates.  Nothing major, just the normal
        xhci, gadget, and other driver changes.  Full details in the shortlog"
      
      * tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (352 commits)
        usbcore: fix incorrect type in assignment in descriptors_changed()
        usbcore: compare and release one bos descriptor in usb_reset_and_verify_device()
        ehci: remove debugging statement with ehci statistics in ehci_stop()
        ehci: remove duplicate debug_async_open() prototype in ehci-dbg.c
        ehci: enable debugging code when CONFIG_DYNAMIC_DEBUG is set
        ehci: remove ehci_vdbg() verbose debugging statements
        Documentation sysfs-bus-usb: Document which files are used by libusb
        Documentation sysfs-bus-usb: Document the speed file used by libusb
        Documentation sysfs-bus-usb: Move files with known users to stable
        USB: fix build error when CONFIG_PM_SLEEP isn't enabled
        usb: r8a66597-hcd: use platform_{get,set}_drvdata()
        usb: phy-tegra-usb: use platform_{get,set}_drvdata()
        usb: acm gadget: Null termintate strings table
        dma: cppi41: off by one in desc_to_chan()
        xhci: Fix warning introduced by disabling runtime PM.
        dev-core: fix build break when DEBUG is enabled
        USB: OHCI: Allow runtime PM without system sleep
        usb: ohci-at91: remove unnecessary dev_set_drvdata()
        usb: renesas_usbhs: use platform_{get,set}_drvdata()
        usb: fotg210-udc: use platform_{get,set}_drvdata()
        ...
      b3b49114
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux · 1ccfd5ea
      Linus Torvalds authored
      Pull first batch of s390 updates from Martin Schwidefsky:
       "The most interesting change is that Martin converted s390 to generic
        hardirqs.  Which means that all current architectures have been
        converted and that CONFIG_GENERIC_HARDIRQS can be removed.  Martin
        prepared a patch for that already (see genirq branch), but the best
        time to merge that is probably at the end of the merge window / begin
        of -rc1.
      
        Another patch converts s390 to software referenced bits instead of
        relying on the reference bit in the storage key.  Therefore s390
        doesn't use storage keys anymore, except for kvm.
      
        Besides that we have improvements, cleanups and fixes in PCI, DASD and
        all over the place."
      
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (32 commits)
        s390/pci: use virtual memory for iommu bitmap
        s390/cio: fix unlocked access of global bitmap
        s390/pci: update function handle after resume from hibernate
        s390/pci: try harder to modify a function
        s390/pci: split lpf
        s390/hibernate: add early resume function
        s390/pci: add recover sysfs knob
        s390/pci: use claim_resource
        s390/pci/hotplug: convert to be builtin only
        s390/mm: implement software referenced bits
        s390/dasd: fix statistics for recovered requests
        s390/tx: allow program interruption filtering in user space
        s390/pgtable: fix mprotect for single-threaded KVM guests
        s390/time: return with irqs disabled from psw_idle
        s390/kprobes: add support for compare and branch instructions
        s390/switch_to: fix save_access_regs() / restore_access_regs()
        s390/bitops: fix inline assembly constraints
        s390/dasd: enable raw_track_access reads without direct I/O
        s390/mm: introduce ptep_flush_lazy helper
        s390/time: clock comparator revalidation
        ...
      1ccfd5ea
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k · ea98af13
      Linus Torvalds authored
      Pull m68k updates from Geert Uytterhoeven:
       "Summary:
         - Kill harmless warning messages when running a multi-platform kernel
           on Atari
         - Correct virt/phys mixups that didn't actually hurt due to identity
           mappings"
      
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
        m68k/atari: ARAnyM - Always use physical addresses in NatFeat calls
        m68k: Ignore disabled HSYNC interrupt on Atari for irqs_disabled()
      ea98af13
    • Linus Torvalds's avatar
      Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging · 7e752241
      Linus Torvalds authored
      Pull hwmon updates from Guenter Roeck:
       - new driver for HTU21D (humidity sensor)
       - add support for Fam16h (Kabini) to k10temp
       - add support for NCT6102D/6106D and NCT6791D to nct6775 driver
       - add support for ADS1115 to ads1015 driver
       - add support for hibernate to w83627ehf and nct6775 drivers
       - some minor cleanups
      
      * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
        hwmon: (htu21) Add Measurement Specialties HTU21D support
        hwmon: Change my email address.
        hwmon: (k10temp) Add support for Fam16h (Kabini)
        hwmon: (adt7462) ADT7462_REG_VOLT_MAX() should return 0
        hwmon: (ads1015) Add support for ADS1115
        hwmon: (w83627ehf) Add support for hibernate
        hwmon: (nct6775) Add support for hibernate
        hwmon: use dev_get_platdata()
        hwmon: (nct6775) Fix size of data->temp array
        hwmon: (nct6775) Avoid using device platform data outside probe function
        hwmon: (nct6775) Add support for NCT6791D
        hwmon: (nct6775) Add support for beep attributes
        hwmon: (nct6775) Add support for critical low/high temperature limits on NCT6106
        hwmon: (nct6775) Add support for NCT6102D/6106D
        hwmon: (nct6775) Support two SuperIO chips in the same system
        hwmon: (nct6775) Allocate attributes dynamically from templates
        hwmon: (coretemp) Atom CPUs don't support TjMax; no warning needed
      7e752241
    • Manfred Spraul's avatar
      ipc/msg.c: Fix lost wakeup in msgsnd(). · bebcb928
      Manfred Spraul authored
      The check if the queue is full and adding current to the wait queue of
      pending msgsnd() operations (ss_add()) must be atomic.
      
      Otherwise:
       - the thread that performs msgsnd() finds a full queue and decides to
         sleep.
       - the thread that performs msgrcv() first reads all messages from the
         queue and then sleeps, because the queue is empty.
       - the msgrcv() calls do not perform any wakeups, because the msgsnd()
         task has not yet called ss_add().
       - then the msgsnd()-thread first calls ss_add() and then sleeps.
      
      Net result: msgsnd() and msgrcv() both sleep forever.
      
      Observed with msgctl08 from ltp with a preemptible kernel.
      
      Fix: Call ipc_lock_object() before performing the check.
      
      The patch also moves security_msg_queue_msgsnd() under ipc_lock_object:
       - msgctl(IPC_SET) explicitely mentions that it tries to expunge any
         pending operations that are not allowed anymore with the new
         permissions.  If security_msg_queue_msgsnd() is called without locks,
         then there might be races.
       - it makes the patch much simpler.
      Reported-and-tested-by: default avatarVineet Gupta <Vineet.Gupta1@synopsys.com>
      Acked-by: default avatarRik van Riel <riel@redhat.com>
      Cc: stable@vger.kernel.org  # for 3.11
      Signed-off-by: default avatarManfred Spraul <manfred@colorfullife.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      bebcb928
    • Linus Torvalds's avatar
      Merge tag 'regulator-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator · ec1882a9
      Linus Torvalds authored
      Pull regulator updates from Mark Brown:
       "Not much exciting going on with the regulator API this time around,
        lots of driver fixes and enhancements - the main thing is the addition
        of a new API to help make the stubbing code do the right thing for
        missing regulator mappings.
      
        Highlights:
      
         - A new regulator_get_optional() API call for regulators that can be
           absent in normal operation.  This currently does nothing but will
           be used to improve the stubbing code for unspecified regulators,
           helping avoid some of the issues we've seen with adding new
           regulator support.
         - Helpers for devices with multiple linear ranges of voltages in the
           same regulator.
         - Moved the helpers into a separate file since core.c is getting
           rather large.
         - New drivers for Dialog DA9210 and DA9063, Freescale pfuze100 and
           Marvell 88pm800"
      
      * tag 'regulator-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (70 commits)
        regulator: da9063: Statize da9063_ldo_lim_event
        regulator: lp872x: Make REGULATOR_LP872X depend on I2C rather than I2C=y
        regulator: tps65217: Convert to use linear ranges
        regulator: da9063: Use IS_ERR to check return value of regulator_register()
        regulator: da9063: Optimize da9063_set_current_limit implementation
        regulator: build: Allow most regulators to be built as modules
        regulator: Add devm_regulator_get_exclusive()
        regulator: da9063: Add Dialog DA9063 voltage regulators support.
        regulator: ti-abb: simplify platform_get_resource_byname/devm_ioremap_resource
        hwmon: (sht15) Use devm_regulator_get_optional()
        regulator: core: Use bool for exclusivitity flag
        regulator: 88pm800: forever loop in pm800_regulator_probe()
        cpufreq: cpufreq-cpu0: Use devm_regulator_get_optional()
        regulator: da9210: Remove redundant MODULE_ALIAS
        regulator: 88pm800: Fix checking whether num_regulator is valid
        regulator: s2mps11: Fix setting ramp_delay
        regulator: s2mps11: Fix wrong arguments for regmap_update_bits() call
        regulator: palmas: Update the DT binding doc for smps10 out1 and out2
        regulator: palmas: model SMPS10 as two regulators
        regulator: core: Move list_voltage_{linear,linear_range,table} to helpers.c
        ...
      ec1882a9
    • Linus Torvalds's avatar
      Merge tag 'spi-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi · 5d3fed70
      Linus Torvalds authored
      Pull spi updates from Mark Brown:
       "Business as usual for SPI - some new drivers, lots of fixes and
        updates to existing drivers plus some new framework features.  Notable
        changes are:
      
         - Support for dual and quad data lines, commonly used by flash chips
           to improve performance, from Wang Yuhang.
         - Factored out a common pattern for runtime PM implementation into
           the core saving a bunch of code.
         - A particularly nice set of updates to the ep93xx driver from
           H Hartley Sweeten, modernising it and reducing the code size a lot.
         - New drivers for Blackfin v3, EFM32, Freescale DSPI and TI QSPI"
      
      * tag 'spi-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (133 commits)
        spi/qspi: fix missing unlock on error in ti_qspi_start_transfer_one()
        spi: quad: fix the name of DT property
        spi: core: Fix spi_register_master error handling
        spi: efm32: Fix build error
        spi: altera: Use DIV_ROUND_UP to calculate hw->bytes_per_word
        spi: rspi: Add spi_master_get() call to prevent use after free
        spi: quad: Make DT properties optional
        spi: quad: Fix missing return
        spi: Use dev_get_drvdata at appropriate places
        spi: use dev_get_platdata()
        spi: nuc900: Fix mode_bits setting
        spi: simplify devm_request_mem_region/devm_ioremap
        spi: altera: Simplify altera_spi_txrx implementation for noirq case
        spi: spi-rspi: fix inconsistent spin_lock_irqsave
        spi/qspi: Add compatible string for am4372.
        spi/qspi: Fix device table entry
        spi/sirf: fix the misunderstanding about len of spi_transfer
        spi/qspi: Add dual/quad spi read support
        spi: sirf: fix error return code in spi_sirfsoc_probe()
        spi: bcm2835: Add spi_master_get() call to prevent use after free
        ...
      5d3fed70
    • Linus Torvalds's avatar
      Merge tag 'regmap-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap · 8243b7f5
      Linus Torvalds authored
      Pull regmap updates from Mark Brown:
       "A quiet release for regmap, some cleanups, fixes and:
      
         - Improved node coalescing for rbtree, reducing memory usage and
           improving performance during syncs.
         - Support for registering multiple register patches.
         - A quirk for handling interrupts that need to be clear when masked
           in regmap-irq"
      
      * tag 'regmap-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
        regmap: rbtree: Make cache_present bitmap per node
        regmap: rbtree: Reduce number of nodes, take 2
        regmap: rbtree: Simplify adjacent node look-up
        regmap: debugfs: Fix continued read from registers file
        regcache-rbtree: Fix reg_stride != 1
        regmap: Allow multiple patches to be registered
        regmap: regcache: allow read-only regs to be cached
        regmap: fix regcache_reg_present() for empty cache
        regmap: core: allow a virtual range to cover its own data window
        regmap: irq: document mask/wake_invert flags
        regmap: irq: make flags bool and put them in a bitfield
        regmap: irq: Allow to acknowledge masked interrupts during initialization
        regmap: Provide __acquires/__releases annotations
      8243b7f5
    • Linus Torvalds's avatar
      Merge branch 'lockref' (locked reference counts) · fc6d0b03
      Linus Torvalds authored
      Merge lockref infrastructure code by me and Waiman Long.
      
      I already merged some of the preparatory patches that didn't actually do
      any semantic changes earlier, but this merges the actual _reason_ for
      those preparatory patches.
      
      The "lockref" structure is a combination "spinlock and reference count"
      that allows optimized reference count accesses.  In particular, it
      guarantees that the reference count will be updated AS IF the spinlock
      was held, but using atomic accesses that cover both the reference count
      and the spinlock words, we can often do the update without actually
      having to take the lock.
      
      This allows us to avoid the nastiest cases of spinlock contention on
      large machines under heavy pathname lookup loads.  When updating the
      dentry reference counts on a large system, we'll still end up with the
      cache line bouncing around, but that's much less noticeable than
      actually having to spin waiting for the lock.
      
      * lockref:
        lockref: implement lockless reference count updates using cmpxchg()
        lockref: uninline lockref helper functions
        vfs: reimplement d_rcu_to_refcount() using lockref_get_or_lock()
        vfs: use lockref_get_not_zero() for optimistic lockless dget_parent()
        lockref: add 'lockref_get_or_lock() helper
      fc6d0b03
    • Vaughan Cao's avatar
      [SCSI] sg: push file descriptor list locking down to per-device locking · 1f962ebc
      Vaughan Cao authored
      Push file descriptor list locking down to per-device locking. Let sg_index_lock
      only protect device lookup.
      sdp->detached is also set and checked with this lock held.
      Signed-off-by: default avatarVaughan Cao <vaughan.cao@oracle.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      1f962ebc
    • Vaughan Cao's avatar
      [SCSI] sg: checking sdp->detached isn't protected when open · e32c9e63
      Vaughan Cao authored
      @detached is set under the protection of sg_index_lock. Without getting the
      lock, new sfp will be added during sg removal and there is no chance for it
      to be picked out. So check with sg_index_lock held in sg_add_sfp().
      Signed-off-by: default avatarVaughan Cao <vaughan.cao@oracle.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      e32c9e63
    • Vaughan Cao's avatar
      [SCSI] sg: no need sg_open_exclusive_lock · 00b2d9d6
      Vaughan Cao authored
      Open exclusive check is protected by o_sem, no need sg_open_exclusive_lock.
      @exclude is used to record which type of rwsem we are holding.
      Signed-off-by: default avatarVaughan Cao <vaughan.cao@oracle.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      00b2d9d6
    • Vaughan Cao's avatar
      [SCSI] sg: use rwsem to solve race during exclusive open · 15b06f9a
      Vaughan Cao authored
      A race condition may happen if two threads are both trying to open the same sg
      with O_EXCL simultaneously. It's possible that they both find fsds list is
      empty and get_exclude(sdp) returns 0, then they both call set_exclude() and
      break out from wait_event_interruptible and resume open.
      
      Now use rwsem to protect this process. Exclusive open gets write lock and
      others get read lock. The lock will be held until file descriptor is closed.
      This also leads 'exclude' only a status rather than a check mark.
      Signed-off-by: default avatarVaughan Cao <vaughan.cao@oracle.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      15b06f9a
    • Akinobu Mita's avatar
      [SCSI] scsi_debug: fix logical block provisioning support when unmap_alignment != 0 · a027b5b9
      Akinobu Mita authored
      Commit b90ebc3d ("[SCSI] scsi_debug:
      fix logical block provisioning support") fixed several issues with
      logical block provisioning support, but it still doesn't properly fix
      the cases when unmap_alignment > 0.
      
      For example, load scsi_debug module with the following module parameters
      and make all blocks mapped by filling the storage with zero.
      
              # modprobe scsi_debug lbpu=1 unmap_alignment=1 unmap_granularity=4
              # dd if=/dev/zero of=$DEV
      
      Then, try to unmap the first unmappable blocks at lba=1, but GET LBA STATUS
      unexpectedly reports that the last UNMAP has done nothing.
      
              # sg_unmap --lba=1 --num=4 $DEV
              # sg_get_lba_status --lba=1 $DEV
              descriptor LBA: 0x0000000000000001  blocks: 16383  mapped
      
      The problem is in map_index_to_lba(), which should return the first
      LBA which is corresponding to a given index of provisioning map
      (map_storep).
      Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
      Acked-by: default avatar"Martin K. Petersen" <martin.petersen@oracle.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      a027b5b9
    • Akinobu Mita's avatar
      [SCSI] scsi_debug: fix endianness bug in sdebug_build_parts() · 150c3544
      Akinobu Mita authored
      With module parameter num_parts > 0, partition table is built on the
      ramdisk storage when loading the driver.  Unfortunately, there is an
      endianness bug in sdebug_build_parts().  So the partition table is not
      correctly initialized on big-endian systems.
      Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
      Tested-by: default avatarMartin Peschke <mpeschke@linux.vnet.ibm.com>
      Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      150c3544
    • Saurav Kashyap's avatar
    • Andy Shevchenko's avatar
    • Saurav Kashyap's avatar
    • Joe Carnuccio's avatar
      [SCSI] qla2xxx: Correctly print out/in mailbox registers. · 0e31a2c8
      Joe Carnuccio authored
      At mailbox/buffer debug level, print the correct values of the
      outgoing and incoming mailbox registers.
      Signed-off-by: default avatarJoe Carnuccio <joe.carnuccio@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      0e31a2c8
    • Sawan Chandak's avatar
      [SCSI] qla2xxx: Add a new interface to update versions. · 8c2cf7d4
      Sawan Chandak authored
      On any Adapter when we flash through FC/FCoE without card reset option it still
      shows the Running FW version in Flashed FW version. This new interface will be
      used by API to instruct the driver to update its cache versions.
      Signed-off-by: default avatarSawan Chandak <sawan.chandak@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      8c2cf7d4
    • Chad Dupuis's avatar
      [SCSI] qla2xxx: Move queue depth ramp down message to i/o debug level. · 353d9449
      Chad Dupuis authored
      Unless there is a need to observe them, the queue depth ramp up/down messages
      are a nuisance and may cause the system to become unresponsive so move it a
      non-default logging level.
      Signed-off-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      353d9449
    • Joe Carnuccio's avatar
    • Santosh Vernekar's avatar
      [SCSI] qla2xxx: Add loopback IDC-TIME-EXTEND aen handling support. · 454073c9
      Santosh Vernekar authored
      Earlier IDC-TIME-EXTEND aen was a nop and ignored by driver.
      We now have to handle the aen so that other protocol drivers can use time
      extension during some loopback operations.
      Signed-off-by: default avatarSantosh Vernekar <santosh.vernekar@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      454073c9
    • Armen Baloyan's avatar
      [SCSI] qla2xxx: Set default critical temperature value in cases when ISPFX00... · f875cd4c
      Armen Baloyan authored
      [SCSI] qla2xxx: Set default critical temperature value in cases when ISPFX00 firmware doesn't provide it
      Signed-off-by: default avatarArmen Baloyan <armen.baloyan@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      f875cd4c
    • Armen Baloyan's avatar
      [SCSI] qla2xxx: QLAFX00 make over temperature AEN handling informational, add... · 4881d095
      Armen Baloyan authored
      [SCSI] qla2xxx: QLAFX00 make over temperature AEN handling informational, add log for normal temperature AEN
      Signed-off-by: default avatarArmen Baloyan <armen.baloyan@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      4881d095
    • Armen Baloyan's avatar
    • Armen Baloyan's avatar
    • Armen Baloyan's avatar
    • Armen Baloyan's avatar
    • Armen Baloyan's avatar
    • Joe Carnuccio's avatar
      [SCSI] qla2xxx: Add missing FCP statistics to sysfs interface. · fabbb8df
      Joe Carnuccio authored
      Add the missing FCP statistics to sysfs.
      Add reset FCP statistics functionality via sysfs.
      Signed-off-by: default avatarJoe Carnuccio <joe.carnuccio@qlogic.com>
      Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
      Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
      fabbb8df