Commit Graph

364902 Commits

Author SHA1 Message Date
Linus Torvalds
ec25e246b9 USB patches for 3.10-rc1
Here's the big USB pull request for 3.10-rc1.
 
 Lots of USB patches here, the majority being USB gadget changes and
 USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
 and individual driver updates.  We also finally got some chipidea fixes,
 which have been delayed for a number of kernel releases, as the
 maintainer has now reappeared.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB pull request for 3.10-rc1.

  Lots of USB patches here, the majority being USB gadget changes and
  USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
  and individual driver updates.  We also finally got some chipidea
  fixes, which have been delayed for a number of kernel releases, as the
  maintainer has now reappeared.

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

* tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits)
  USB: ehci-msm: USB_MSM_OTG needs USB_PHY
  USB: OHCI: avoid conflicting platform drivers
  USB: OMAP: ISP1301 needs USB_PHY
  USB: lpc32xx: ISP1301 needs USB_PHY
  USB: ftdi_sio: enable two UART ports on ST Microconnect Lite
  usb: phy: tegra: don't call into tegra-ehci directly
  usb: phy: phy core cannot yet be a module
  USB: Fix initconst in ehci driver
  usb-storage: CY7C68300A chips do not support Cypress ATACB
  USB: serial: option: Added support Olivetti Olicard 145
  USB: ftdi_sio: correct ST Micro Connect Lite PIDs
  ARM: mxs_defconfig: add CONFIG_USB_PHY
  ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY
  usb: phy: remove exported function from __init section
  usb: gadget: zero: put function instances on unbind
  usb: gadget: f_sourcesink.c: correct a copy-paste misnomer
  usb: gadget: cdc2: fix error return code in cdc_do_config()
  usb: gadget: multi: fix error return code in rndis_do_config()
  usb: gadget: f_obex: fix error return code in obex_bind()
  USB: storage: convert to use module_usb_driver()
  ...
2013-04-29 12:19:23 -07:00
Linus Torvalds
507ffe4f38 TTY/Serial driver update for 3.10-rc1
Here's the big tty/serial driver merge request for 3.10-rc1
 
 Once again, Jiri has a number of TTY driver fixes and cleanups, and
 Peter Hurley came through with a bunch of ldisc fixes that resolve a
 number of reported issues.  There are some other serial driver cleanups
 as well.
 
 All of these have been in the linux-next tree for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver update from Greg Kroah-Hartman:
 "Here's the big tty/serial driver merge request for 3.10-rc1

  Once again, Jiri has a number of TTY driver fixes and cleanups, and
  Peter Hurley came through with a bunch of ldisc fixes that resolve a
  number of reported issues.  There are some other serial driver
  cleanups as well.

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

* tag 'tty-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (117 commits)
  tty/serial/sirf: fix MODULE_DEVICE_TABLE
  serial: mxs: drop superfluous {get|put}_device
  serial: mxs: fix buffer overflow
  ARM: PL011: add support for extended FIFO-size of PL011-r1p5
  serial_core.c: add put_device() after device_find_child()
  tty: Fix unsafe bit ops in tty_throttle_safe/unthrottle_safe
  serial: sccnxp: Replace pdata.init/exit with regulator API
  serial: sccnxp: Do not override device name
  TTY: pty, fix compilation warning
  TTY: rocket, fix compilation warning
  TTY: ircomm: fix DTR being raised on hang up
  TTY: synclinkmp: fix DTR being raised on hang up
  TTY: synclink_gt: fix DTR being raised on hang up
  TTY: synclink: fix DTR being raised on hang up
  serial: 8250_dw: Fix the stub for dw8250_probe_acpi()
  serial: 8250_dw: Convert to devm_ioremap()
  serial: 8250_dw: Set port capabilities based on CPR register
  serial: 8250_dw: Let ACPI code extract the DMA client info
  serial: 8250_dw: Support clk framework also with ACPI
  serial: 8250_dw: Enable runtime PM
  ...
2013-04-29 12:16:17 -07:00
Linus Torvalds
fdc719b63a Staging driver tree update for 3.10-rc1
Here's the big staging driver tree update for 3.10-rc1
 
 This update contains loads of comedi driver cleanups and fixes in here,
 iio updates, android driver changes, and other various staging driver
 cleanups.
 
 Thanks to some drivers being removed, and the comedi driver cleanups, we
 have removed more code than we added:
  627 files changed, 65145 insertions(+), 76321 deletions(-)
 which is always nice to see.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver tree update from Greg Kroah-Hartman:
 "Here's the big staging driver tree update for 3.10-rc1

  This update contains loads of comedi driver cleanups and fixes in
  here, iio updates, android driver changes, and other various staging
  driver cleanups.

  Thanks to some drivers being removed, and the comedi driver cleanups,
  we have removed more code than we added:

   627 files changed, 65145 insertions(+), 76321 deletions(-)

  which is always nice to see.

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

* tag 'staging-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (940 commits)
  staging: comedi: ni_labpc: fix legacy driver build
  staging: comedi: das800: cleanup the cio-das802/16 fifo comments
  staging: comedi: das800: rename CamelCase vars in das800_ai_do_cmd()
  staging: comedi: das800: tidy up the private data
  staging: comedi: das800: tidy up das800_interrupt()
  staging: comedi: das800: tidy up das800_ai_insn_read()
  staging: comedi: das800: tidy up das800_di_insn_bits()
  staging: comedi: das800: tidy up das800_do_insn_bits()
  staging: comedi: das800: remove extra divisor calculation call
  staging: comedi: das800: rename {enable,disable}_das800
  staging: comedi: das800: tidy up subdevice init
  staging: comedi: das800: allow attaching without interrupt support
  staging: comedi: das800: interrupts are required for async command support
  staging: comedi: das800: tidy up das800_ai_do_cmdtest()
  staging: comedi: das800: remove 'volatile' on private data variables
  staging: comedi: das800: cleanup the boardinfo
  staging: comedi: das800: cleanup range table declarations
  staging: comedi: das800: introduce das800_ind_{write, read}()
  staging: comedi: das800: remove forward declarations
  staging: comedi: das800: move das800_set_frequency()
  ...
2013-04-29 11:34:17 -07:00
Linus Torvalds
2794b5d408 Driver core update for 3.10-rc1
Here's the merge request for the driver core tree for 3.10-rc1
 
 It's pretty small, just a number of driver core and sysfs updates and
 fixes, all of which have been in linux-next for a while now.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core update from Greg Kroah-Hartman:
 "Here's the merge request for the driver core tree for 3.10-rc1

  It's pretty small, just a number of driver core and sysfs updates and
  fixes, all of which have been in linux-next for a while now.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fixed conflict in kernel/rtmutex-tester.c, the locking tree had a better
fix for the same sysfs file mode problem.

* tag 'driver-core-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  PM / Runtime: Idle devices asynchronously after probe|release
  driver core: handle user namespaces properly with the uid/gid devtmpfs change
  driver core: devtmpfs: fix compile failure with CONFIG_UIDGID_STRICT_TYPE_CHECKS
  devtmpfs: add base.h include
  driver core: add uid and gid to devtmpfs
  sysfs: check if one entry has been removed before freeing
  sysfs: fix crash_notes_size build warning
  sysfs: fix use after free in case of concurrent read/write and readdir
  rtmutex-tester: fix mode of sysfs files
  Documentation: Add ABI entry for crash_notes and crash_notes_size
  sysfs: Add crash_notes_size to export percpu note size
  driver core: platform_device.h: fix checkpatch errors and warnings
  driver core: platform.c: fix checkpatch errors and warnings
  driver core: warn that platform_driver_probe can not use deferred probing
  sysfs: use atomic_inc_unless_negative in sysfs_get_active
  base: core: WARN() about bogus permissions on device attributes
  device: separate all subsys mutexes
2013-04-29 11:31:50 -07:00
Linus Torvalds
4f567cbc95 Char / Misc driver update for 3.10-rc1
Here's the big char / misc driver update for 3.10-rc1
 
 A number of various driver updates, the majority being new functionality
 in the MEI driver subsystem (it's now a subsystem, it started out just a
 single driver), extcon updates, memory updates, hyper-v updates, and a
 bunch of other small stuff that doesn't fit in any other tree.
 
 All of these have been in linux-next for a while
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver update from Greg Kroah-Hartman:
 "Here's the big char / misc driver update for 3.10-rc1

  A number of various driver updates, the majority being new
  functionality in the MEI driver subsystem (it's now a subsystem, it
  started out just a single driver), extcon updates, memory updates,
  hyper-v updates, and a bunch of other small stuff that doesn't fit in
  any other tree.

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

* tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits)
  Tools: hv: Fix a checkpatch warning
  tools: hv: skip iso9660 mounts in hv_vss_daemon
  tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon
  tools: hv: use getmntent in hv_vss_daemon
  Tools: hv: Fix a checkpatch warning
  tools: hv: fix checks for origin of netlink message in hv_vss_daemon
  Tools: hv: fix warnings in hv_vss_daemon
  misc: mark spear13xx-pcie-gadget as broken
  mei: fix krealloc() misuse in in mei_cl_irq_read_msg()
  mei: reduce flow control only for completed messages
  mei: reseting -> resetting
  mei: fix reading large reposnes
  mei: revamp mei_irq_read_client_message function
  mei: revamp mei_amthif_irq_read_message
  mei: revamp hbm state machine
  Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"
  Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes"
  scsi: pcmcia: nsp_cs: remove module init/exit function prototypes
  mei: wd: fix line over 80 characters
  misc: tsl2550: Use dev_pm_ops
  ...
2013-04-29 11:18:34 -07:00
Linus Torvalds
92ddcf4a01 New drivers for NCT6775, NCT6776, NCT6779, and LM95234.
Added support for LTC2974, LTC3883, LM25056, TMP431, TMP432,
 ADT7310, and ADT7320 to existing drivers.
 Various code cleanups and minor improvements.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon update from Guenter Roeck:

 - New drivers for NCT6775, NCT6776, NCT6779, and LM95234.

 - Added support for LTC2974, LTC3883, LM25056, TMP431, TMP432, ADT7310,
   and ADT7320 to existing drivers.

 - Various code cleanups and minor improvements.

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits)
  hwmon: (nct6775) Fix coding style problems
  hwmon: (nct6775) Constify strings
  hwmon: (tmp401) Add support for TMP432
  hwmon: (tmp401) Add support for update_interval attribute
  hwmon: (tmp401) Reset valid flag when resetting temperature history
  hwmon: (tmp401) Simplification and cleanup
  hwmon: (tmp401) Use sysfs_create_group / sysfs_remove_group
  hwmon: (tmp401) Drop unused defines, use BIT for bit masks
  hwmon: (nct6775) Use ARRAY_SIZE for loops where possible
  documentation: hwmon: Fix typo in documentation/hwmon
  hwmon: (nct6775) Enable both AUXTIN and VIN3 on NCT6776
  hwmon: (ad7314) use spi_get_drvdata() and spi_set_drvdata()
  MAINTAINERS: Add myself as maintainer for the NCT6775 driver
  hwmon: (nct6775) Expand scope of supported chips
  hwmon: (gpio-fan) Use is_visible to determine if attributes should be created
  hwmon: (tmp401) Fix device detection for TMP411B and TMP411C
  hwmon: Add driver for LM95234
  hwmon: (tmp401) Add support for TMP431
  hwmon: (pmbus/lm25066) Add support for LM25056
  hwmon: (pmbus/lm25066) Refactor device specific coefficients
  ...
2013-04-29 09:45:48 -07:00
Linus Torvalds
000a74f41e These are the pinctrl changes for v3.10:
- Patrice Chotard contributed a new configuration debugfs interface
   and reintroduced fine-grained locking into the core: instead of
   having a "big pinctrl lock" we have a per-controller lock and
   specialized locks for the global controller and pinctrl handle
   lists.
 - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
   replaced them with pinctrl-single (which is also used by other SoCs)
   so we are gaining consolidation. The platform particulars now come
   in through the device tree.
 - Haoijan also added support for generic pin config into the
   pinctrl-single driver which is another big consolidation win.
 - Finally also GPIO ranges are now supported by the pinctrl-single
   driver.
 - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
   more of the older Samsung platforms under the pinctrl umbrella and
   out of arch/arm.
 - Maxime Ripard contributed new Allwinner A10/A13 drivers.
 - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups.
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Merge tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl update from Linus Walleij:
 "These are the pinctrl changes for v3.10:

   - Patrice Chotard contributed a new configuration debugfs interface
     and reintroduced fine-grained locking into the core: instead of
     having a "big pinctrl lock" we have a per-controller lock and
     specialized locks for the global controller and pinctrl handle
     lists.

   - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
     replaced them with pinctrl-single (which is also used by other
     SoCs) so we are gaining consolidation.  The platform particulars
     now come in through the device tree.

   - Haoijan also added support for generic pin config into the
     pinctrl-single driver which is another big consolidation win.

   - Finally also GPIO ranges are now supported by the pinctrl-single
     driver.

   - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
     more of the older Samsung platforms under the pinctrl umbrella and
     out of arch/arm.

   - Maxime Ripard contributed new Allwinner A10/A13 drivers.

   - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups."

* tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (66 commits)
  pinctrl: move subsystem mutex to pinctrl_dev struct
  pinctrl/pinconfig: fix misplaced goto
  pinctrl: s3c64xx: Fix build error caused by undefined chained_irq_enter
  pinctrl/pinconfig: add debug interface
  pinctrl: abx500: fix issue when no pdata
  pinctrl: pinctrl-single: add missing double quote
  pinctrl: sunxi: Rename wemac functions to emac
  pinctrl: exynos5440: add gpio interrupt support
  pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
  pinctrl: ab8505: Staticize some symbols
  pinctrl: ab8540: Staticize some symbols
  pinctrl: ab9540: Staticize some symbols
  pinctrl: ab8500: Staticize some symbols
  pinctrl: abx500: Staticize some symbols
  pinctrl: Add pinctrl-s3c64xx driver
  pinctrl: samsung: Handle banks with two configuration registers
  pinctrl: samsung: Remove hardcoded register offsets
  pinctrl: samsung: Split pin bank description into two structures
  pinctrl: samsung: Include pinctrl-exynos driver data conditionally
  pinctrl: samsung: Protect bank registers with a spinlock
  ...
2013-04-29 09:40:35 -07:00
Linus Torvalds
8127b39e70 fbdev for 3.10
* use vm_iomap_memory() in various fb drivers to map the fb memory to userspace
 * Cleanups for the videomode and display_timing features
 * Updates to vt8500, wm8505 and auo-k190x fb drivers
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Merge tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux

Pull fbdev updates from Tomi Valkeinen:

 - use vm_iomap_memory() in various fb drivers to map the fb memory to
   userspace

 - Cleanups for the videomode and display_timing features

 - Updates to vt8500, wm8505 and auo-k190x fb drivers

* tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (36 commits)
  fbdev: fix check for fb_mmap's mmio availability
  fbdev: improve fb_mmap bounds checks
  fbdev/ps3fb: use vm_iomap_memory()
  fbdev/sgivwfb: use vm_iomap_memory()
  fbdev/vermillion: use vm_iomap_memory()
  fbdev/sa1100fb: use vm_iomap_memory()
  fbdev/fb-puv3: use vm_iomap_memory()
  fbdev/controlfb: use vm_iomap_memory()
  fbdev/omapfb: use vm_iomap_memory()
  video: vt8500: fix Kconfig for videomode
  video/s3c: move platform_data out of arch/arm
  video/exynos: remove unnecessary header inclusions
  drivers/video: fsl-diu-fb: add hardware cursor support
  drivers: video: use module_platform_driver_probe()
  ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
  video: wm8505fb: Convert to devm_ioremap_resource()
  AUO-K190x: Add resolutions for portrait displays
  AUO-K190x: add framebuffer rotation support
  AUO-K190x: add a 16bit truecolor mode
  AUO-K190x: make color handling more flexible
  ...
2013-04-29 09:35:27 -07:00
Linus Torvalds
96a3e8af5a PCI changes for the v3.10 merge window:
PCI device hotplug
     - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
     - Make acpiphp builtin only, not modular (Jiang Liu)
     - Add acpiphp mutual exclusion (Jiang Liu)
 
   Power management
     - Skip "PME enabled/disabled" messages when not supported (Rafael Wysocki)
     - Fix fallback to PCI_D0 (Rafael Wysocki)
 
   Miscellaneous
     - Factor quirk_io_region (Yinghai Lu)
     - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
     - Clean up EISA resource initialization and logging (Bjorn Helgaas)
     - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
     - MIPS: Initialize of_node before scanning bus (Gabor Juhos)
     - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor Juhos)
     - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
     - Fix aer_inject return values (Prarit Bhargava)
     - Remove PME/ACPI dependency (Andrew Murray)
     - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)
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Merge tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v3.10 merge window:

  PCI device hotplug
   - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
   - Make acpiphp builtin only, not modular (Jiang Liu)
   - Add acpiphp mutual exclusion (Jiang Liu)

  Power management
   - Skip "PME enabled/disabled" messages when not supported (Rafael
     Wysocki)
   - Fix fallback to PCI_D0 (Rafael Wysocki)

  Miscellaneous
   - Factor quirk_io_region (Yinghai Lu)
   - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
   - Clean up EISA resource initialization and logging (Bjorn Helgaas)
   - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
   - MIPS: Initialize of_node before scanning bus (Gabor Juhos)
   - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor
     Juhos)
   - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
   - Fix aer_inject return values (Prarit Bhargava)
   - Remove PME/ACPI dependency (Andrew Murray)
   - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)"

* tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
  vfio-pci: Use cached MSI/MSI-X capabilities
  vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
  PCI: Remove "extern" from function declarations
  PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
  PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
  PCI: Use msix_table_size() directly, drop multi_msix_capable()
  PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
  PCI: Drop is_64bit_address() and is_mask_bit_support() macros
  PCI: Drop msi_data_reg() macro
  PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
  PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
  PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
  PCI: Clean up MSI/MSI-X capability #defines
  PCI: Use cached MSI-X cap while enabling MSI-X
  PCI: Use cached MSI cap while enabling MSI interrupts
  PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
  PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
  PCI: Use u8, not int, for PM capability offset
  [SCSI] megaraid_sas: Use correct #define for MSI-X capability
  PCI: Remove "extern" from function declarations
  ...
2013-04-29 09:30:25 -07:00
Linus Torvalds
a87451052f Bundle of miscellaneous ia64 fixes for 3.10 merge window.
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Merge tag 'please-pull-misc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 fixes from Tony Luck:
 "Bundle of miscellaneous ia64 fixes for 3.10 merge window."

* tag 'please-pull-misc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  Add size restriction to the kdump documentation
  Fix example error_injection_tool
  Fix build error for numa_clear_node() under IA64
  Fix initialization of CMCI/CMCP interrupts
  Change "select DMAR" to "select INTEL_IOMMU"
  Wrong asm register contraints in the kvm implementation
  Wrong asm register contraints in the futex implementation
  Remove cast for kmalloc return value
  Fix kexec oops when iosapic was removed
  iosapic: fix a minor typo in comments
  Add WB/UC check for early_ioremap
  Fix broken fsys_getppid()
  tiocx: check retval from bus_register()
2013-04-29 09:23:17 -07:00
Linus Torvalds
916bb6d76d Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking changes from Ingo Molnar:
 "The most noticeable change are mutex speedups from Waiman Long, for
  higher loads.  These scalability changes should be most noticeable on
  larger server systems.

  There are also cleanups, fixes and debuggability improvements."

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep: Consolidate bug messages into a single print_lockdep_off() function
  lockdep: Print out additional debugging advice when we hit lockdep BUGs
  mutex: Back out architecture specific check for negative mutex count
  mutex: Queue mutex spinners with MCS lock to reduce cacheline contention
  mutex: Make more scalable by doing less atomic operations
  mutex: Move mutex spinning code from sched/core.c back to mutex.c
  locking/rtmutex/tester: Set correct permissions on sysfs files
  lockdep: Remove unnecessary 'hlock_next' variable
2013-04-29 08:21:37 -07:00
Linus Torvalds
d0b8883800 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 update from Martin Schwidefsky:
 "This is the first batch of s390 patches for the 3.10 merge window.

  Included are some performance enhancements: storage key
  initialization, zero page cache synonyms, system call micro
  optimization and the speedup patches for dasdfmt.  Sebastian managed
  to get rid of the special casing for the console device in the cio
  layer.  And the usual bunch of bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (59 commits)
  s390/pci: use pci_scan_root_bus
  s390/scm_blk: fix memleak in init function
  s390/scm_blk: allow more cluster size values
  s390/cio: fix irq statistics
  s390/memory hotplug: prevent offline of active memory increments
  s390: remove small stack config option
  s390: system call path micro optimization
  s390: lowcore stack pointer offsets
  s390/uapi: change struct statfs[64] member types to unsigned values
  s390/pci: return correct dma address for offset > PAGE_SIZE
  s390/ptrace: remove empty ifdefs
  s390/compat: remove ptrace compat definitions from uapi header file
  s390/compat: fix compile error for !COMPAT
  s390/compat: fix compat_sys_statfs() memory corruption
  s390/zcore: Fix HSA copy length for last block
  s390/mm,gmap: segment mapping race
  s390/mm,gmap: implement gmap_translate()
  s390/pci: remove disable_device implementation
  s390/pci: disable per default
  s390/pci: return error after failed pci ops
  ...
2013-04-29 08:19:39 -07:00
Linus Torvalds
9d2da7af90 Features:
- Populate the boot_params with EDD data.
  - Cleanups in the IRQ code.
 Bug-fixes:
  - CPU hotplug offline/online in PVHVM mode.
  - Re-upload processor PM data after ACPI S3 suspend/resume cycle.
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Merge tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen updates from Konrad Rzeszutek Wilk:
 "Features:
   - Populate the boot_params with EDD data.
   - Cleanups in the IRQ code.
  Bug-fixes:
   - CPU hotplug offline/online in PVHVM mode.
   - Re-upload processor PM data after ACPI S3 suspend/resume cycle."

And Konrad gets a gold star for sending the pull request early when he
thought he'd be away for the first week of the merge window (but because
of 3.9 dragging out to -rc8 he then re-sent the reminder on the first
day of the merge window anyway)

* tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: resolve section mismatch warnings in xen-acpi-processor
  xen: Re-upload processor PM data to hypervisor after S3 resume (v2)
  xen/smp: Unifiy some of the PVs and PVHVM offline CPU path
  xen/smp/pvhvm: Don't initialize IRQ_WORKER as we are using the native one.
  xen/spinlock: Disable IRQ spinlock (PV) allocation on PVHVM
  xen/spinlock:  Check against default value of -1 for IRQ line.
  xen/time: Add default value of -1 for IRQ and check for that.
  xen/events: Check that IRQ value passed in is valid.
  xen/time: Fix kasprintf splat when allocating timer%d IRQ line.
  xen/smp/spinlock: Fix leakage of the spinlock interrupt line for every CPU online/offline
  xen/smp: Fix leakage of timer interrupt line for every CPU online/offline.
  xen kconfig: fix select INPUT_XEN_KBDDEV_FRONTEND
  xen: drop tracking of IRQ vector
  x86/xen: populate boot_params with EDD data
2013-04-29 08:16:51 -07:00
Linus Torvalds
c1be5a5b1b Linux 3.9 2013-04-28 17:36:01 -07:00
Linus Torvalds
4cbbd1d55d ARM: arm-soc fixes for 3.9
A late-arriving fix for musb on OMAP4, resolving an issue where the musb
 IP won't be clocked and thus not functional. Small in scope, most of the
 lines changed is a longish comment.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fix from Olof Johansson:
 "A late-arriving fix for musb on OMAP4, resolving an issue where the
  musb IP won't be clocked and thus not functional.  Small in scope,
  most of the lines changed is a longish comment."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock
2013-04-27 13:58:36 -07:00
Linus Torvalds
3c0b9de6d3 vm: add no-mmu vm_iomap_memory() stub
I think we could just move the full vm_iomap_memory() function into
util.h or similar, but I didn't get any reply from anybody actually
using nommu even to this trivial patch, so I'm not going to touch it any
more than required.

Here's the fairly minimal stub to make the nommu case at least
potentially work.  It doesn't seem like anybody cares, though.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-27 13:25:38 -07:00
Linus Torvalds
e09d13c4c8 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Ingo Molnar:
 "This fix adds missing RCU read protection"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  events: Protect access via task_subsys_state_check()
2013-04-27 10:08:09 -07:00
Olof Johansson
d21be237ff One MUSB regression fix that I forgot to send earlier. Without
this MUSB no longer works on omap4 based devices.
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Merge tag 'omap-for-v3.9-rc6/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
One MUSB regression fix that I forgot to send earlier. Without
this MUSB no longer works on omap4 based devices.

* tag 'omap-for-v3.9-rc6/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-26 17:35:21 -07:00
Linus Torvalds
d7d7271f42 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
 "Two driver fixes.

  One avoids reading any file at a system with a cx25821 board
  (fortunately, this is not a common device).  The other one prevents
  reading after a buffer with ISDB-T devices based on mb86a20s."

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] cx25821: do not expose broken video output streams
  [media] mb86a20s: Fix estimate_rate setting
2013-04-26 08:17:07 -07:00
Linus Torvalds
96edcf31b3 Merge branch 'fixes-3.9-late' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull late parisc fixes from Helge Deller:
 "I know it's *very* late in the 3.9 release cycle, but since there
  aren't that many people testing the parisc linux kernel, a few (for
  our port) critical issues just showed up a few days back for the first
  time.

  What's in it?
   - add missing __ucmpdi2 symbol, which is required for btrfs on 32bit
     kernel.
   - change kunmap() macro to static inline function.  This fixes a
     debian/gcc-4.4 build error.
   - add locking when doing PTE updates.  This fixes random userspace
     crashes.
   - disable (optional) -mlong-calls compiler option for modules, else
     modules can't be loaded at runtime.
   - a smart patch by Will Deacon which fixes 64bit put_user() warnings
     on 32bit kernel."

* 'fixes-3.9-late' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates
  parisc: disable -mlong-calls compiler option for kernel modules
  parisc: uaccess: fix compiler warnings caused by __put_user casting
  parisc: Change kunmap macro to static inline function
  parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.
2013-04-26 08:05:01 -07:00
Matt Fleming
f464246d85 efivars: only check for duplicates on the registered list
variable_is_present() accesses '__efivars' directly, but when called via
gsmi_init() Michel reports observing the following crash,

  BUG: unable to handle kernel NULL pointer dereference at (null)
  IP: variable_is_present+0x55/0x170
  Call Trace:
    register_efivars+0x106/0x370
    gsmi_init+0x2ad/0x3da
    do_one_initcall+0x3f/0x170

The reason for the crash is that '__efivars' hasn't been initialised nor
has it been registered with register_efivars() by the time the google
EFI SMI driver runs.  The gsmi code uses its own struct efivars, and
therefore, a different variable list.  Fix the above crash by passing
the registered struct efivars to variable_is_present(), so that we
traverse the correct list.

Reported-by: Michel Lespinasse <walken@google.com>
Tested-by: Michel Lespinasse <walken@google.com>
Cc: Mike Waychison <mikew@google.com>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Cc: Seiji Aguchi <seiji.aguchi@hds.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-26 08:02:03 -07:00
Patrice Chotard
42fed7ba44 pinctrl: move subsystem mutex to pinctrl_dev struct
This mutex avoids deadlock in case of use of multiple pin
controllers. Before this modification, by using a global
mutex, deadlock appeared when, for example, a call to
pinctrl_pins_show() locked the pinctrl_mutex, called the
ops->pin_dbg_show of a particular pin controller. If this
pin controller needs I2C access to retrieve configuration
information and I2C driver is using pinctrl to drive its
pins, a call to pinctrl_select_state() try to lock again
pinctrl_mutex which leads to a deadlock.

Notice that the mutex grab from the two direction functions
was moved into pinctrl_gpio_direction().

For several cases, we can't replace pinctrl_mutex by
pctldev->mutex, because at this stage, pctldev is
not accessible :
	- pinctrl_get()/pinctrl_put()
	- pinctrl_register_maps()

So add respectively pinctrl_list_mutex and
pinctrl_maps_mutex in order to protect
pinctrl_list and pinctrl_maps list instead.

Reintroduce pinctrldev_list_mutex in
find_pinctrl_by_of_node(),
pinctrl_find_and_add_gpio_range()
pinctrl_request_gpio(), pinctrl_free_gpio(),
pinctrl_gpio_direction(), pinctrl_devices_show(),
pinctrl_register() and pinctrl_unregister() to
protect pinctrldev_list.

Changes v2->v3:
- Fix a missing EXPORT_SYMBOL_GPL() for pinctrl_select_state().

Changes v1->v2:
- pinctrl_select_state_locked() is removed, all lock mechanism
  is located inside pinctrl_select_state(). When parsing
  the state->setting list, take the per-pin-controller driver
  lock. (Patrice).
- Introduce pinctrldev_list_mutex to protect pinctrldev_list
  in all functions which parse or modify pictrldev_list.
  (Patrice).
- move find_pinctrl_by_of_node() from pinctrl/devicetree.c to
  pinctrl/core.c in order to protect pinctrldev_list.
  (Patrice).
- Sink mutex:es into some functions and remove some _locked
  variants down to where the lists are actually accessed to
  make things simpler. (Linus)
- Drop *all* mutexes completely from pinctrl_lookup_state()
  and pinctrl_select_state() - no relevant mutex was taken
  and it was unclear what this was protecting against. (Linus)

Reported by : Seraphin Bonnaffe <seraphin.bonnaffe@stericsson.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-26 17:01:35 +02:00
Laurent Meunier
cb6d315dc3 pinctrl/pinconfig: fix misplaced goto
This update contains a basic fix that went unseen through
test and review.

Signed-off-by: Laurent Meunier <laurent.meunier@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-26 17:00:14 +02:00
Jiri Slaby
37b7f3c765 TTY: fix atime/mtime regression
In commit b0de59b573 ("TTY: do not update atime/mtime on read/write")
we removed timestamps from tty inodes to fix a security issue and waited
if something breaks.  Well, 'w', the utility to find out logged users
and their inactivity time broke.  It shows that users are inactive since
the time they logged in.

To revert to the old behaviour while still preventing attackers to
guess the password length, we update the timestamps in one-minute
intervals by this patch.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-26 07:59:23 -07:00
Zhao Hongjiang
91d80a84bb aio: fix possible invalid memory access when DEBUG is enabled
dprintk() shouldn't access @ring after it's unmapped.

Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-26 07:56:18 -07:00
Sebastian Ott
1c21351b72 s390/pci: use pci_scan_root_bus
The pci config space accessors on s390 are (now) smart enough to
figure out if a pci function is available. So instead of calling
pci_create_root_bus and then pci_scan_single_device for each
available function just call pci_scan_root_bus and let the pci core
do the scanning (via config reads on all possible functions) and
device creation.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:19 +02:00
Sebastian Ott
fff60fabc7 s390/scm_blk: fix memleak in init function
If the allocation of a single request fails the already allocated
requests will not be freed.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:17 +02:00
Sebastian Ott
bd86055fc9 s390/scm_blk: allow more cluster size values
Allow 0 and powers of 2 between 2 and 128 for write_cluster_size.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:15 +02:00
Sebastian Ott
3ad19b8fb0 s390/cio: fix irq statistics
When we fetch an interrupt on the CCW console using tsch (via
ccw_device_wait_idle formerly known as wait_cons_dev) we increment
the irq count for the affected interruption class but it is not
accounted as an IO interrupt.

This is broken since commit b603d258a4
"s390: remove superfluous tpi from wait_cons_dev"

Fix it so that the sum of the individual interrupts per class matches
the number of IO interrupts again.

Reported-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:13 +02:00
Heiko Carstens
94c163663f s390/memory hotplug: prevent offline of active memory increments
In case a machine supports memory hotplug all active memory increments
present at IPL time have been initialized with a "usecount" of 1.
This is wrong if the memory increment size is larger than the memory
section size of the memory hotplug code. If that is the case the
usecount must be initialized with the number of memory sections that
fit into one memory increment.
Otherwise it is possible to put a memory increment into standby state
even if there are still active sections.
Afterwards addressing exceptions might happen which cause the kernel
to panic.
However even worse, if a memory increment was put into standby state
and afterwards into active state again, it's contents would have been
zeroed, leading to memory corruption.

This was only an issue for machines that support standby memory and
have at least 256GB memory.

This is broken since commit fdb1bb15 "[S390] sclp/memory hotplug: fix
initial usecount of increments".

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: stable@vger.kernel.org # 2.6.39+
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:10 +02:00
Heiko Carstens
581618f226 s390: remove small stack config option
We've seen repeatedly that 8KB stack size on 64 bit kernels
is not sufficient.
So simply remove the config option.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:08 +02:00
Martin Schwidefsky
616498813b s390: system call path micro optimization
Add a pointer to the system call table to the thread_info structure.
The TIF_31BIT bit is set or cleared by SET_PERSONALITY exactly once
for the lifetime of a process. With the pointer to the correct system
call table in thread_info the system call code in entry64.S path can
drop the check for TIF_31BIT which saves a couple of instructions.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:05 +02:00
Martin Schwidefsky
dc7ee00d47 s390: lowcore stack pointer offsets
Store the stack pointers in the lowcore for the kernel stack, the async
stack and the panic stack with the offset required for the first user.
This avoids an unnecessary add instruction on the system call path.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-26 09:07:01 +02:00
Dave Jones
2c52283662 lockdep: Consolidate bug messages into a single print_lockdep_off() function
Also add some missing printk levels.

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20130425174002.GA26769@redhat.com
[ Tweaked the messages a bit. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-04-26 08:37:22 +02:00
Dave Jones
199e371f59 lockdep: Print out additional debugging advice when we hit lockdep BUGs
We occasionally get reports of these BUGs being hit, and the
stack trace doesn't necessarily always tell us what we need to
know about why we are hitting those limits.

If users start attaching /proc/lock_stats to reports we may have
more of a clue what's going on.

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20130423163403.GA12839@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-04-26 08:36:33 +02:00
Tomi Valkeinen
9bf9d47a29 Merge branch '3.10/fb-mmap' into for-next
Merge topic branch to get vm_iomap_memory into use.

Conflicts:
	drivers/video/fbmon.c
2013-04-26 09:14:47 +03:00
Tomi Valkeinen
138f296e14 fbdev: fix check for fb_mmap's mmio availability
Commit fc9bbca8f6 (vm: convert fb_mmap to
vm_iomap_memory() helper) made fbmem.c use vm_iomap_memory, but also
accidentally removed the check for mmio's availability.

Add the check back.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-04-26 08:28:56 +03:00
Tomi Valkeinen
04f8afbec3 fbdev: improve fb_mmap bounds checks
Improve fb_mmap bounds checks in gbefb, smscufx, udlfb and vfb drivers to
prevent possible uint overflows.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: Bernie Thompson <bernie@plugable.com>
2013-04-26 08:28:56 +03:00
Tomi Valkeinen
11bd5933ab fbdev/ps3fb: use vm_iomap_memory()
Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
2013-04-26 08:28:47 +03:00
H. Peter Anvin
697dfd8844 * The EFI variable anti-bricking algorithm merged in -rc8 broke booting
on some Apple machines because they implement EFI spec 1.10, which
    doesn't provide a QueryVariableInfo() runtime function and the logic
    used to check for the existence of that function was insufficient.
    Fix from Josh Boyer.
 
  * The anti-bricking algorithm also introduced a compiler warning on
    32-bit. Fix from Borislav Petkov.
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Merge tag 'efi-urgent' into x86/urgent

 * The EFI variable anti-bricking algorithm merged in -rc8 broke booting
   on some Apple machines because they implement EFI spec 1.10, which
   doesn't provide a QueryVariableInfo() runtime function and the logic
   used to check for the existence of that function was insufficient.
   Fix from Josh Boyer.

 * The anti-bricking algorithm also introduced a compiler warning on
   32-bit. Fix from Borislav Petkov.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-04-25 14:00:22 -07:00
John David Anglin
bda079d336 parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates
User applications running on SMP kernels have long suffered from instability
and random segmentation faults.  This patch improves the situation although
there is more work to be done.

One of the problems is the various routines in pgtable.h that update page table
entries use different locking mechanisms, or no lock at all (set_pte_at).  This
change modifies the routines to all use the same lock pa_dbit_lock.  This lock
is used for dirty bit updates in the interruption code. The patch also purges
the TLB entries associated with the PTE to ensure that inconsistent values are
not used after the page table entry is updated.  The UP and SMP code are now
identical.

The change also includes a minor update to the purge_tlb_entries function in
cache.c to improve its efficiency.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-25 22:37:00 +02:00
Helge Deller
cf71130d63 parisc: disable -mlong-calls compiler option for kernel modules
CONFIG_MLONGCALLS was introduced in commit
ec758f9832 to overcome linker issues when linking
huge linux kernels, e.g. with many modules linked in.

But in the kernel module loader there is no support yet for the new relocation
types, which is why modules built with -mlong-calls can't be loaded.
Furthermore, for modules long calls are not really necessary, since we already
use stub sections which resolve long distance calls.

So, let's just disable this compiler option when compiling kernel modules.

Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-25 22:36:50 +02:00
Will Deacon
0f28b62890 parisc: uaccess: fix compiler warnings caused by __put_user casting
When targetting 32-bit processors, __put_user emits a pair of stw
instructions for the 8-byte case. If the type of __val is a pointer, the
marshalling code casts it to the wider integer type of u64, resulting
in the following compiler warnings:

  kernel/signal.c: In function 'copy_siginfo_to_user':
  kernel/signal.c:2752:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
  kernel/signal.c:2752:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
  [...]

This patch fixes the warnings by removing the marshalling code and using
the correct output modifiers in the __put_{user,kernel}_asm64 macros
so that GCC will allocate the right registers without the need to
extract the two words explicitly.

Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-25 22:36:42 +02:00
John David Anglin
87be2f88b2 parisc: Change kunmap macro to static inline function
Change kunmap macro to static inline function to fix build error
compiling drivers/base/dma-buf.c.

Without the change, the following error can occur:

   CC      drivers/base/dma-buf.o
drivers/base/dma-buf.c: In function 'dma_buf_kunmap':
drivers/base/dma-buf.c:427:46:
error: macro "kunmap" passed 3 arguments, but takes just 1

I believe parisc is the only arch to implement kunmap using a macro.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-25 22:36:31 +02:00
John David Anglin
ca0ad83da1 parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.
The Debian experimental linux source package (3.8.5-1) build fails
with the following errors:
...
MODPOST 2016 modules
ERROR: "__ucmpdi2" [fs/btrfs/btrfs.ko] undefined!
ERROR: "__ucmpdi2" [drivers/md/dm-verity.ko] undefined!

The attached patch resolves this problem.  It is based on the s390
implementation of ucmpdi2.c.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Signed-off-by: Helge Deller <deller@gmx.de>
2013-04-25 22:36:15 +02:00
Arnd Bergmann
4626b8daf9 USB: ehci-msm: USB_MSM_OTG needs USB_PHY
The Kconfig entry for USB_EHCI_MSM unconditionally selects USB_MSM_OTG,
which is now only visible when USB_PHY is also enabled.

This adds an appropriate dependency and enables USB_PHY in the msm
defconfig, avoiding the Kbuild warning:

warning: (USB_EHCI_MSM) selects USB_MSM_OTG which has unmet direct dependencies (USB_SUPPORT && USB_PHY && (USB || USB_GADGET) && ARCH_MSM)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-25 11:00:25 -07:00
Arnd Bergmann
8097804eab USB: OHCI: avoid conflicting platform drivers
Like the EHCI driver, OHCI supports a large number of different platform
glue drivers by directly including them, which causes problems with
conflicting macro definitions in some cases. As more ARM architecture
specific back-ends are required to coexist in a single build, we should
split those out into separate drivers. Unfortunately, the infrastructure
for that is still under development, so to give us more time, this uses
a separate *_PLATFORM_DRIVER macro for each ARM specific OHCI backend,
just like we already do on PowerPC and some of the other ARM platforms.

In linux-3.10, only the SPEAr and CNS3xxx back-ends would actually conflict
without this patch, but over time we would get more of them, so this
is a way to avoid having to patch the driver every time it breaks. We
should still split out all back-ends into separate loadable modules,
but that work is only needed to improve code size and cleanliness after
this patch, not for correctness.

While we're here, this fixes the incorrectly sorted error path
for the OMAP1 and OMAP3 backends to ensure we always unregister
the exact set of drivers that were registered before erroring out.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-25 10:58:00 -07:00
Arnd Bergmann
c3c683ead3 USB: OMAP: ISP1301 needs USB_PHY
The Kconfig entry for USB_OMAP unconditionally selects USB_ISP1301,
which is now only visible when USB_PHY is also enabled.

This adds an appropriate dependency and enables USB_PHY in the omap1
defconfig, avoiding these build warnings:

warning: (USB_OHCI_HCD && USB_OMAP) selects ISP1301_OMAP which has unmet direct dependencies (USB_SUPPORT && USB_PHY && I2C && ARCH_OMAP_OTG)

Also fix a Makefile typo while we're at it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-25 10:58:00 -07:00
Arnd Bergmann
64e98a7981 USB: lpc32xx: ISP1301 needs USB_PHY
The Kconfig entry for USB_LPC32XX unconditionally selects USB_ISP1301,
which is now only visible when USB_PHY is also enabled.

This adds an appropriate dependency and enables USB_PHY in the msm
defconfig, avoiding these build errors:

warning: (USB_LPC32XX) selects USB_ISP1301 which has unmet direct dependencies (USB_SUPPORT && USB_PHY && (USB || USB_GADGET) && I2C)
drivers/built-in.o: In function `usb_hcd_nxp_probe':
drivers/usb/host/ohci-nxp.c:224: undefined reference to `isp1301_get_client'
drivers/built-in.o: In function `lpc32xx_udc_probe':
drivers/usb/gadget/lpc32xx_udc.c:3071: undefined reference to `isp1301_get_client'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-25 10:58:00 -07:00
Linus Torvalds
0fbd06761f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fix from David Miller:
 "Brown paper bag fix for sparc64"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix missing put_cpu_var() in tlb_batch_add_one() when not batching.
2013-04-24 17:10:18 -07:00