Commit Graph

316544 Commits

Author SHA1 Message Date
Linus Torvalds
e81218f5f0 arm-soc: pincontrol drivers
We are converting platforms to use the pinctrl framework over time,
 rather than using platform specific code for the same effect. This
 adds the respective driver for the prima2 platform.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc pincontrol drivers update from Arnd Bergmann:
 "We are converting platforms to use the pinctrl framework over time,
  rather than using platform specific code for the same effect.  This
  adds the respective driver for the prima2 platform."

* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: prima2: enable gpiolib unconditionally
  PINCTRL: SiRF: add GPIO and GPIO irq support in CSR SiRFprimaII
2012-07-23 17:36:53 -07:00
Linus Torvalds
3645f0cd96 arm-soc: sparse IRQ conversion
The I.MX platform is getting converted to use sparse IRQs. We are doing
 this for all platforms over time, because this is one of the
 requirements for building a multiplatform kernel, and generally a good
 idea.
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Merge tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc sparse IRQ conversion from Arnd Bergmann:
 "The I.MX platform is getting converted to use sparse IRQs.  We are
  doing this for all platforms over time, because this is one of the
  requirements for building a multiplatform kernel, and generally a good
  idea."

* tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: select USE_OF
  ARM: imx: Fix build error due to missing irqs.h include
  ARM: imx: enable SPARSE_IRQ for imx platform
  ARM: fiq: change FIQ_START to a variable
  tty: serial: imx: remove the use of MXC_INTERNAL_IRQS
  ARM: imx: remove unneeded mach/irq.h inclusion
  i2c: imx: remove unneeded mach/irqs.h inclusion
  ARM: imx: add a legacy irqdomain for mx31ads
  ARM: imx: add a legacy irqdomain for 3ds_debugboard
  ARM: imx: pass gpio than irq number into mxc_expio_init
  ARM: imx: leave irq_base of wm8350_platform_data uninitialized
  dma: ipu: remove the use of ipu_platform_data
  ARM: imx: move irq_domain_add_legacy call into avic driver
  ARM: imx: move irq_domain_add_legacy call into tzic driver
  gpio/mxc: move irq_domain_add_legacy call into gpio driver
  ARM: imx: eliminate macro IRQ_GPIOx()
  ARM: imx: eliminate macro IOMUX_TO_IRQ()
  ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()
2012-07-23 17:36:02 -07:00
Linus Torvalds
f1d2c07d33 arm-soc: board specific updates
These changes are all for individual board files. In the long run, those
 files will largely go away, and the amount of changes appears to be
 continuously decreasing, which is a good sign. This time around, changes
 are focused on tegra, omap and samsung.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc board specific updates from Arnd Bergmann:
 "These changes are all for individual board files.  In the long run,
  those files will largely go away, and the amount of changes appears to
  be continuously decreasing, which is a good sign.  This time around,
  changes are focused on tegra, omap and samsung."

Fix conflicts in arch/arm/mach-{omap2/common-board-devices.c,tegra/Makefile.boot}
as per the 'for-linus' branch.

* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  ARM: EXYNOS: Add leds status1 and status2 on Origen board
  ARM: S3C64XX: Mark most Cragganmore initdata devinitdata
  ARM: EXYNOS: Add missing .reserve field to SMDKC210
  ARM: EXYNOS: Add DRM device to SMDK4X12 board
  ARM: S3C64XX: Clean up after SPI driver platform data updates
  ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz
  ARM: EXYNOS: Add framebuffer support for SMDK4X12
  ARM: EXYNOS: Add HSOTG support to SMDK4X12
  ARM: S5PV210: Add audio platform device in Goni board
  ARM: S5PV210: Add audio platform device in Aquila board
  ARM: EXYNOS: Add audio platform device in SMDKV310 board
  ARM: S3C64XX: Don't specify an irq_base for WM1192-EV1 board
  ARM: OMAP3: Fix omap3evm randconfig error introduced by VBUS support
  ARM: OMAP: board-omap4panda: MUX configuration for sys_nirq2
  ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2
  ARM: OMAP3530evm: set pendown_state and debounce time for ads7846
  ARM: omap3evm: enable VBUS switch for EHCI tranceiver
  ARM: OMAP3EVM: Adding USB internal LDOs board file
  ARM: OMAP3EVM: Add NAND flash definition
  ARM: OMAP3: cm-t35: add tvp5150 decoder support
  ...
2012-07-23 17:34:48 -07:00
David S. Miller
13378cad02 ipv4: Change rt->rt_iif encoding.
On input packet processing, rt->rt_iif will be zero if we should
use skb->dev->ifindex.

Since we access rt->rt_iif consistently via inet_iif(), that is
the only spot whose interpretation have to adjust.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 16:36:27 -07:00
David S. Miller
b68581778c net: Make skb->skb_iif always track skb->dev
Make it follow device decapsulation, from things such as VLAN and
bonding.

The stuff that actually cares about pre-demuxed device pointers, is
handled by the "orig_dev" variable in __netif_receive_skb().  And
the only consumer of that is the po->origdev feature of AF_PACKET
sockets.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 16:36:27 -07:00
David S. Miller
92101b3b2e ipv4: Prepare for change of rt->rt_iif encoding.
Use inet_iif() consistently, and for TCP record the input interface of
cached RX dst in inet sock.

rt->rt_iif is going to be encoded differently, so that we can
legitimately cache input routes in the FIB info more aggressively.

When the input interface is "use SKB device index" the rt->rt_iif will
be set to zero.

This forces us to move the TCP RX dst cache installation into the ipv4
specific code, and as well it should since doing the route caching for
ipv6 is pointless at the moment since it is not inspected in the ipv6
input paths yet.

Also, remove the unlikely on dst->obsolete, all ipv4 dsts have
obsolete set to a non-zero value to force invocation of the check
callback.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 16:36:26 -07:00
Linus Torvalds
a17f29a5e9 arm-soc: defconfig updates
These are changes to the default configuration files, to account for
 kernel changes and new hardware.
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Merge tag 'defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc defconfig updates from Arnd Bergmann:
 "These are changes to the default configuration files, to account for
  kernel changes and new hardware."

* tag 'defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: exynos_defconfig: enable more platforms in defconfig
  ARM: imx_v4_v5_defconfig: update features
  ARM: imx_v6_v7_defconfig: update features
  ARM: mxs: defconfig: Enable CONFIG_COMMON_CLK_DEBUG
  ARM: mxs_defconfig: Enable RTC driver
  ARM: LPC32xx: Defconfig update
  ARM: mxs_defconfig: Let AUART driver be built by default
  ARM: mxs: Enable MACH_APX4DEVKIT
  ARM: mxs: Let GPMI driver be built by default
  ARM: tegra: defconfig updates
2012-07-23 16:33:28 -07:00
Linus Torvalds
f01b9b73f5 arm-soc: new SoC support
This adds support for three new SoC types:
 * The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell. Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.
 * socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space. This is similar to the Xilinx zynq platform we already
   support. The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are
   expected to get added in the FPGA.
 * The OMAP subarchitecture gains support for the latest generation,
   the OMAP5 based on the new Cortex-A15 core. Support is rather
   rudimentary for now, but will be extended in the future.
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Merge tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull support for three new arm SoC types from Arnd Bergmann:

 - The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
   made by the mvebu business unit inside of Marvell.  Since the same
   group also made the older but similar platforms we call "orion5x",
   "kirkwood", "mv78xx0" and "dove", we plan to move all of them into
   the mach-mvebu directory in the future.

 - socfpga is Altera's platform based on Cortex-A9 cores and a lot of
   FPGA space.  This is similar to the Xilinx zynq platform we already
   support.  The code is particularly clean, which is helped by the fact
   that the hardware doesn't do much besides the parts that are expected
   to get added in the FPGA.

 - The OMAP subarchitecture gains support for the latest generation, the
   OMAP5 based on the new Cortex-A15 core.  Support is rather
   rudimentary for now, but will be extended in the future.

* tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  ARM: socfpga: initial support for Altera's SOCFPGA platform
  arm: mvebu: generate DTBs for supported SoCs
  ARM: mvebu: MPIC: read number of interrupts from control register
  arm: mach-mvebu: add entry to MAINTAINERS
  arm: mach-mvebu: add compilation/configuration change
  arm: mach-mvebu: add defconfig
  arm: mach-mvebu: add documentation for new device tree bindings
  arm: mach-mvebu: add support for Armada 370 and Armada XP with DT
  arm: mach-mvebu: add source files
  arm: mach-mvebu: add header
  clocksource: time-armada-370-xp: Marvell Armada 370/XP SoC timer driver
  ARM: Kconfig update to support additional GPIOs in OMAP5
  ARM: OMAP5: Add the build support
  arm/dts: OMAP5: Add omap5 dts files
  ARM: OMAP5: board-generic: Add device tree support
  ARM: omap2+: board-generic: clean up the irq data from board file
  ARM: OMAP5: Add SMP support
  ARM: OMAP5: Add the WakeupGen IP updates
  ARM: OMAP5: l3: Add l3 error handler support for omap5
  ARM: OMAP5: gpmc: Update gpmc_init()
  ...

Conflicts:
	Documentation/devicetree/bindings/arm/omap/omap.txt
	arch/arm/mach-omap2/Makefile
	drivers/clocksource/Kconfig
	drivers/clocksource/Makefile
2012-07-23 16:31:31 -07:00
Linus Torvalds
fde7543027 arm-soc: cleanups, part 2
These omap cleanups have dependencies on earlier omap branches that in
 turn depend on other cleanups, so they could not go into the same
 branch.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc cleanups, part 2, from Arnd Bergmann:
 "These omap cleanups have dependencies on earlier omap branches that in
  turn depend on other cleanups, so they could not go into the same
  branch."

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: OMAP: sdrc: Fix the build break for OMAP4 only builds
  ARM: OMAP2+: dmtimer: cleanup fclk usage
  ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
  ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals
  ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
  ARM: OMAP2+: am33xx: Make am33xx as a separate class
  ARM: OMAP2+: Move omap3 dpll ops to dpll3xxx.c
  ARM: OMAP2+: All OMAP2PLUS uses omap-device.o target so add one entry
  ARM: OMAP: dmtimer: use devm_ API and do some cleanup in probe()
  ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
  ARM: OMAP2+: PRM/CM: Move the stubbed prm and cm functions to prcm.c file and make them __weak
  ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
  ARM: OMAP3+: dpll: optimize noncore dpll locking logic
  ARM: OMAP3: control: add definition for CONTROL_CAMERA_PHY_CTRL
  ARM: OMAP2+: powerdomain code: Fix Wake-up power domain power status
  ARM: OMAP4: clockdomain/CM code: Update supported transition modes
  ARM: OMAP3/4: omap_hwmod: Add rstst_offs field to struct omap_hwmod_omap4_prcm
  ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
2012-07-23 16:22:12 -07:00
Linus Torvalds
1a4120bc10 arm-soc: timer updates
This contains two branches dealing with timers, one for the picoxcell
 platform that is now using DT with the platform-independent
 dw_apb_timer driver. The other change is for the omap-specific
 dmtimer driver.
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc timer updates from Arnd Bergmann:
 "This contains two branches dealing with timers, one for the picoxcell
  platform that is now using DT with the platform-independent
  dw_apb_timer driver.  The other change is for the omap-specific
  dmtimer driver."

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
  ARM: OMAP2+: Simplify dmtimer clock aliases
  ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
  ARM: OMAP1: Fix dmtimer support
  ARM: OMAP: Add flag to indicate if a timer needs a manual reset
  ARM: OMAP: Remove timer function pointer for context loss counter
  ARM: OMAP: Remove loses_context variable from timer platform data
  ARM: OMAP2+: Fix external clock support for dmtimers
  ARM: OMAP2+: HWMOD: Correct timer device attributes
  ARM: OMAP: Add DMTIMER capability variable to represent timer features
  ARM: OMAP2+: Add dmtimer platform function to reserve systimers
  ARM: OMAP2+: Remove unused max number of timers definition
  ARM: OMAP: Remove unnecessary clk structure
2012-07-23 16:21:23 -07:00
Linus Torvalds
2fa379474f arm-soc: spi updates
These changes conceptually belong into the spi tree, but we decided to
 put them into arm-soc to better deal with interdependencies with other
 platform specific patches that are already there.
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Merge tag 'spi' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc spi updates from Arnd Bergmann:
 "These changes conceptually belong into the spi tree, but we decided to
  put them into arm-soc to better deal with interdependencies with other
  platform specific patches that are already there."

* tag 'spi' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  spi/s3c64xx: Expand S3C64XX_SPI_{DE,}ACT macros at call sites
  spi/s3c64xx: Convert to devm_request_and_ioremap()
  spi/s3c64xx: Put the /CS GPIO into output mode
  spi/s3c64xx: Fix handling of errors in gpio_request()
2012-07-23 16:20:43 -07:00
Linus Torvalds
4f2d658b2f arm-soc: device tree description updates
This branch contains two kinds of updates: Some platforms in the process
 of getting converted to device tree based booting, and the platform
 specific patches necessary for that are included here. Other platforms
 are already converted, so we just need to update the actual device
 tree source files and the binding documents to add support for new board
 and new drivers.
 In the future we will probably separate those into two branches, and
 in the long run, the plan is to move the device tree source files out
 of the kernel repository, but that has to wait until we have completed
 a much larger portion of the binding documents.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc device tree description updates from Arnd Bergmann:
 "This branch contains two kinds of updates: Some platforms in the
  process of getting converted to device tree based booting, and the
  platform specific patches necessary for that are included here.

  Other platforms are already converted, so we just need to update the
  actual device tree source files and the binding documents to add
  support for new board and new drivers.

  In the future we will probably separate those into two branches, and
  in the long run, the plan is to move the device tree source files out
  of the kernel repository, but that has to wait until we have completed
  a much larger portion of the binding documents."

Fix up trivial conflicts in arch/arm/mach-imx/clk-imx6q.c due to newly
added clkdev registers next to a few removed unnecessary ones.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
  ARM: LPC32xx: Add PWM to base dts file
  ARM: EXYNOS: mark the DMA channel binding for SPI as preliminary
  ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS5 platforms
  ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOS5
  ARM: EXYNOS: Add spi clock support for EXYNOS5
  ARM: dts: Add nodes for spi controllers for SAMSUNG EXYNOS4 platforms
  ARM: EXYNOS: Enable platform support for SPI controllers for EXYNOX4
  ARM: EXYNOS: Fix the incorrect hierarchy of spi controller bus clock
  ARM: ux500: Remove PMU platform registration when booting with DT
  ARM: ux500: Remove temporary snowball_of_platform_devs enablement structure
  ARM: ux500: Ensure vendor specific properties have the vendor's identifier
  pinctrl: pinctrl-nomadik: Append sleepmode property with vendor specific prefixes
  ARM: ux500: Move rtc-pl031 registration to Device Tree when enabled
  ARM: ux500: Enable the AB8500 RTC for all DT:ed DB8500 based devices
  ARM: ux500: Correctly reference IRQs supplied by the AB8500 from Device Tree
  ARM: ux500: Apply ab8500-debug node do the db8500 DT structure
  ARM: ux500: Add a ab8500-usb Device Tree node for db8500 based devices
  ARM: ux500: Add db8500 Device Tree node for misc/ab8500-pwm
  ARM: ux500: Add db8500 Device Tree node for ab8500-sysctrl
  ARM: ux500: Enable LED heartbeat functionality on Snowbal via DT
  ...
2012-07-23 16:17:43 -07:00
Linus Torvalds
e66d637134 arm-soc: samsung dma changes
Some platforms are not yet converted to use the dmaengine framework,
 including some of the samsung SoCs. In the meantime, we treat this
 as platform code and merge the patches through the arm-soc tree.
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Merge tag 'dma' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull samsung arm-soc dma changes from Arnd Bergmann:
 "Some platforms are not yet converted to use the dmaengine framework,
  including some of the samsung SoCs.  In the meantime, we treat this as
  platform code and merge the patches through the arm-soc tree."

* tag 'dma' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: SAMSUNG: Fix compiler warning in dma-ops.c file
  ASoC: follow the updated samsung DMA common operations
  spi/s3c64xx: Add the use of DMA config operation
  ARM: SAMSUNG: Add config() function in DMA common operations
2012-07-23 16:11:56 -07:00
Linus Torvalds
5e512d0785 arm-soc: soc-specific updates
This is stuff that does not fit well into another category and in
 particular is not related to a particular board. The largest part
 in here is extending the am33xx support in the omap platform.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific updates from Arnd Bergmann:
 "This is stuff that does not fit well into another category and in
  particular is not related to a particular board.  The largest part in
  here is extending the am33xx support in the omap platform."

Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: LPC32xx: Add PWM support
  ARM: LPC32xx: Add PWM clock
  ARM: LPC32xx: Set system serial based on cpu unique id
  ARM: vexpress: Config option for early printk console
  ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
  ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
  ARM: vexpress: Add fixed regulator for SMSC
  ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
  ARM: vexpress: Initial common clock support
  ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
  ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
  ARM: EXYNOS: Make combiner_init function static
  ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
  ARM: versatile: Make plat-versatile clock optional
  ARM: vexpress: Check master site in daughterboard's sysctl operations
  ARM: vexpress: remove automatic errata workaround selection
  ARM: LPC32xx: Adjust to pl08x DMA interface changes
  ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
  ARM: imx: fix mx51 ehci setup errors
  ARM: imx: make ehci power/oc polarities configurable
  ...
2012-07-23 16:08:40 -07:00
Linus Torvalds
451ce7f9cf arm-soc: general cleanups
These are all boring changes, moving stuff around or renaming things
 mostly, and also getting rid of stuff that is duplicate or should
 not be there to start with. Platform-wise this is all over the place,
 mainly omap, samsung, at91, imx and tegra.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull general arm-soc cleanups from Arnd Bergmann:
 "These are all boring changes, moving stuff around or renaming things
  mostly, and also getting rid of stuff that is duplicate or should not
  be there to start with.  Platform-wise this is all over the place,
  mainly omap, samsung, at91, imx and tegra."

Resolve trivial conflict in arch/arm/mach-omap2/clockdomains3xxx_data.c

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: clps711x: Remove the setting of the time
  ARM: clps711x: Removed superfluous transform virt_to_bus and related functions
  ARM: clps711x/p720t: Replace __initcall by .init_early call
  ARM: S3C24XX: Remove unused GPIO definitions for Openmoko GTA02 board
  ARM: S3C24XX: Remove unused GPIO definitions for port J
  ARM: S3C24XX: Remove unused GPA, GPE, GPH bank GPIO aliases
  ARM: S3C24XX: Convert the touchscreen setup code to common GPIO API
  ARM: S3C24XX: Convert the PM code to gpiolib API
  ARM: S3C24XX: Convert QT2410 board file to the gpiolib API
  ARM: S3C24XX: Convert SMDK board file to the gpiolib API
  ARM: S3C24XX: Free the backlight gpio requested in Mini2440 board code
  ARM: imx: remove unused pdata from device macros
  ARM: imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX_SSI from MACH_MX25_3DS
  ARM: at91: fix new build errors
  ARM: at91: add AIC5 support
  ARM: at91: remove mach/irqs.h
  ARM: at91: sparse irq support
  ARM: at91: at91 based machines specify their own irq handler at run time
  ARM: at91: remove static irq priorities for sam9x5
  ARM: at91: add of irq priorities support
  ...
2012-07-23 16:04:15 -07:00
Linus Torvalds
b85c14fb83 arm-soc: non-critical bug fixes
These were submitted as bug fixes before v3.5 but not considered
 important enough to be included in it.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-critical arm-soc bug fixes from Arnd Bergmann:
 "These were submitted as bug fixes before v3.5 but not considered
  important enough to be included in it."

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM:vt8500: Convert to use .restart and remove arch_reset()
  ARM: davinci: da8xx: fix interrupt handling
  ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
  ARM: mxs/tx28: fix odd include
  ARM: OMAP: remove unused cpu detection macros
  ARM: OMAP: fix typos related to OMAP330
  ARM: OMAP7XX:  Remove omap730.h and omap850.h
  ARM: OMAP2+: fix naming collision of variable nr_irqs
  ARM: OMAP: omap2plus_defconfig: Enable EXT4 support
  ARM: OMAP depends on MMU
  arm: omap3: am35x: Set proper powerdomain states
  ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
  ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
  ARM: OMAP: AM35xx: fix UART4 softreset
  ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
  ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
  ARM: OMAP: Fix dts files w/ status property: "disable" -> "disabled"
  ARM: OMAP: beagle: Set USB Host Port 1 to OMAP_USBHS_PORT_MODE_UNUSED
  ARM: OMAP2: twl-common: Fix compiler warning
  ARM: OMAP: fix the ads7846 init code
  ...
2012-07-23 16:01:01 -07:00
Linus Torvalds
ce447f34a7 Change the default amount of eraseblocks which UBI reserves for bad block
handling from 1% to 2%, because 1% does not meet most modern flashes
 requirements. 1% was good enough in the past for old high-quality SLCs, but
 nowadays 2% is much more appropriate.
 
 Other changes are clean-ups.
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Merge tag 'upstream-3.6-rc1' of git://git.infradead.org/linux-ubi

Pull UBI changes from Artem Bityutskiy:
 "Change the default amount of eraseblocks which UBI reserves for bad
  block handling from 1% to 2%, because 1% does not meet most modern
  flash requirements.  1% was good enough in the past for old
  high-quality SLCs, but nowadays 2% is much more appropriate.:

Other changes are clean-ups.

* tag 'upstream-3.6-rc1' of git://git.infradead.org/linux-ubi:
  UBI: harmonize the update of ubi->beb_rsvd_pebs
  UBI: trivial: fix comment of ubi_calculate_reserved function
  UBI: fix spelling of detach in debug output
  UBI: Change the default percentage of reserved PEB
2012-07-23 15:53:06 -07:00
Linus Torvalds
93912fe69d * Added another debugfs knob for forcing UBIFS R/O mode without flushing caches
or finishing commit or any other I/O operation. I've originally added this
   knob in order to reproduce the free space fixup bug (see c672793) on nandsim.
   Without this knob I would have to do real power-cuts, which would make
   debugging much harder. Then I've decided to keep this knob because it is also
   useful for UBIFS power-cut recovery end error-paths testing.
 * Well-spotted fix from Julia. This bug did not cause real troubles for
   UBIFS, but nevertheless it could cause issues for someone trying to modify
   the orphans handling code. Kudos to coccinelle!
 * Minor cleanups.
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Merge tag 'upstream-3.6-rc1' of git://git.infradead.org/linux-ubifs

Pull UBIFS updates from Artem Bityutskiy:

 - Added another debugfs knob for forcing UBIFS R/O mode without
   flushing caches or finishing commit or any other I/O operation.  I've
   originally added this knob in order to reproduce the free space fixup
   bug (see commit c6727932cf: "UBIFS: fix a bug in empty space
   fix-up") on nandsim.

   Without this knob I would have to do real power-cuts, which would
   make debugging much harder.  Then I've decided to keep this knob
   because it is also useful for UBIFS power-cut recovery end
   error-paths testing.

 - Well-spotted fix from Julia.  This bug did not cause real troubles
   for UBIFS, but nevertheless it could cause issues for someone trying
   to modify the orphans handling code.  Kudos to coccinelle!

 - Minor cleanups.

* tag 'upstream-3.6-rc1' of git://git.infradead.org/linux-ubifs:
  UBIFS: remove invalid reference to list iterator variable
  UBIFS: simplify reply code a bit
  UBIFS: add debugfs knob to switch to R/O mode
  UBIFS: fix compilation warning
2012-07-23 15:50:52 -07:00
David S. Miller
fe3edf4579 ipv4: Remove all RTCF_DIRECTSRC handliing.
The last and final kernel user, ICMP address replies,
has been removed.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 13:22:20 -07:00
David S. Miller
838942a594 ipv4: Really ignore ICMP address requests/replies.
Alexey removed kernel side support for requests, and the
only thing we do for replies is log a message if something
doesn't look right.

As Alexey's comment indicates, this belongs in userspace (if
anywhere), and thus we can safely just get rid of this code.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 13:20:26 -07:00
David S. Miller
8acfaa9484 decnet: Don't set RTCF_DIRECTSRC.
It's an ipv4 defined route flag, and only ipv4 uses it.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 13:16:59 -07:00
Saurabh
e7d4b18cbe net/ipv4/ip_vti.c: Fix __rcu warnings detected by sparse.
With CONFIG_SPARSE_RCU_POINTER=y sparse identified references which did not
specificy __rcu in ip_vti.c

Signed-off-by: Saurabh Mohan <saurabh.mohan@vyatta.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 13:00:54 -07:00
Lin Ming
8fe5cb873b ipv4: Remove redundant assignment
It is redundant to set no_addr and accept_local to 0 and then set them
with other values just after that.

Signed-off-by: Lin Ming <mlin@ss.pku.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 13:00:54 -07:00
J. Bruce Fields
0ec4f431eb locks: fix checking of fcntl_setlease argument
The only checks of the long argument passed to fcntl(fd,F_SETLEASE,.)
are done after converting the long to an int.  Thus some illegal values
may be let through and cause problems in later code.

[ They actually *don't* cause problems in mainline, as of Dave Jones's
  commit 8d657eb3b4 "Remove easily user-triggerable BUG from
  generic_setlease", but we should fix this anyway.  And this patch will
  be necessary to fix real bugs on earlier kernels. ]

Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-23 12:46:01 -07:00
Linus Torvalds
a66d2c8f7e Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull the big VFS changes from Al Viro:
 "This one is *big* and changes quite a few things around VFS.  What's in there:

   - the first of two really major architecture changes - death to open
     intents.

     The former is finally there; it was very long in making, but with
     Miklos getting through really hard and messy final push in
     fs/namei.c, we finally have it.  Unlike his variant, this one
     doesn't introduce struct opendata; what we have instead is
     ->atomic_open() taking preallocated struct file * and passing
     everything via its fields.

     Instead of returning struct file *, it returns -E...  on error, 0
     on success and 1 in "deal with it yourself" case (e.g.  symlink
     found on server, etc.).

     See comments before fs/namei.c:atomic_open().  That made a lot of
     goodies finally possible and quite a few are in that pile:
     ->lookup(), ->d_revalidate() and ->create() do not get struct
     nameidata * anymore; ->lookup() and ->d_revalidate() get lookup
     flags instead, ->create() gets "do we want it exclusive" flag.

     With the introduction of new helper (kern_path_locked()) we are rid
     of all struct nameidata instances outside of fs/namei.c; it's still
     visible in namei.h, but not for long.  Come the next cycle,
     declaration will move either to fs/internal.h or to fs/namei.c
     itself.  [me, miklos, hch]

   - The second major change: behaviour of final fput().  Now we have
     __fput() done without any locks held by caller *and* not from deep
     in call stack.

     That obviously lifts a lot of constraints on the locking in there.
     Moreover, it's legal now to call fput() from atomic contexts (which
     has immediately simplified life for aio.c).  We also don't need
     anti-recursion logics in __scm_destroy() anymore.

     There is a price, though - the damn thing has become partially
     asynchronous.  For fput() from normal process we are guaranteed
     that pending __fput() will be done before the caller returns to
     userland, exits or gets stopped for ptrace.

     For kernel threads and atomic contexts it's done via
     schedule_work(), so theoretically we might need a way to make sure
     it's finished; so far only one such place had been found, but there
     might be more.

     There's flush_delayed_fput() (do all pending __fput()) and there's
     __fput_sync() (fput() analog doing __fput() immediately).  I hope
     we won't need them often; see warnings in fs/file_table.c for
     details.  [me, based on task_work series from Oleg merged last
     cycle]

   - sync series from Jan

   - large part of "death to sync_supers()" work from Artem; the only
     bits missing here are exofs and ext4 ones.  As far as I understand,
     those are going via the exofs and ext4 trees resp.; once they are
     in, we can put ->write_super() to the rest, along with the thread
     calling it.

   - preparatory bits from unionmount series (from dhowells).

   - assorted cleanups and fixes all over the place, as usual.

  This is not the last pile for this cycle; there's at least jlayton's
  ESTALE work and fsfreeze series (the latter - in dire need of fixes,
  so I'm not sure it'll make the cut this cycle).  I'll probably throw
  symlink/hardlink restrictions stuff from Kees into the next pile, too.
  Plus there's a lot of misc patches I hadn't thrown into that one -
  it's large enough as it is..."

* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (127 commits)
  ext4: switch EXT4_IOC_RESIZE_FS to mnt_want_write_file()
  btrfs: switch btrfs_ioctl_balance() to mnt_want_write_file()
  switch dentry_open() to struct path, make it grab references itself
  spufs: shift dget/mntget towards dentry_open()
  zoran: don't bother with struct file * in zoran_map
  ecryptfs: don't reinvent the wheels, please - use struct completion
  don't expose I_NEW inodes via dentry->d_inode
  tidy up namei.c a bit
  unobfuscate follow_up() a bit
  ext3: pass custom EOF to generic_file_llseek_size()
  ext4: use core vfs llseek code for dir seeks
  vfs: allow custom EOF in generic_file_llseek code
  vfs: Avoid unnecessary WB_SYNC_NONE writeback during sys_sync and reorder sync passes
  vfs: Remove unnecessary flushing of block devices
  vfs: Make sys_sync writeout also block device inodes
  vfs: Create function for iterating over block devices
  vfs: Reorder operations during sys_sync
  quota: Move quota syncing to ->sync_fs method
  quota: Split dquot_quota_sync() to writeback and cache flushing part
  vfs: Move noop_backing_dev_info check from sync into writeback
  ...
2012-07-23 12:27:27 -07:00
Wanpeng Li
1d00015e26 mm/frontswap: cleanup doc and comment error
Signed-off-by: Wanpeng Li <liwp.linux@gmail.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-07-23 11:16:20 -04:00
Sasha Levin
3389b530a6 mm: frontswap: remove unneeded headers
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
[v1: Rebased with tracing removed]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-07-23 11:16:13 -04:00
Takashi Iwai
c1b623d9e4 ASoC: Additional updates for 3.6
A few more fixes for 3.6, some of which are relatively important -
 they've all been in -next for at least some time.
 
 - DAPM fixes for the recent locking changes.
 - Fix for _PRE and _POST widgets (which have been broken for a few
   releases now).
 - A couple of minor driver updates.
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Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Additional updates for 3.6

A few more fixes for 3.6, some of which are relatively important -
they've all been in -next for at least some time.

- DAPM fixes for the recent locking changes.
- Fix for _PRE and _POST widgets (which have been broken for a few
  releases now).
- A couple of minor driver updates.
2012-07-23 14:34:42 +02:00
Axel Lin
0dd6e4847e watchdog: orion_wdt: Convert driver to watchdog core
Convert orion_wdt driver to use watchdog framework API.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:51:09 +02:00
Sachin Kamat
6b761b2902 watchdog: s3c2410_wdt: Use module_platform_driver()
module_platform_driver() replaces module_init() and module_exit()
and makes the code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:51 +02:00
Wim Van Sebroeck
7732c6b96f watchdog: sch311x_wdt: Fix Polarity when starting watchdog
Some motherboards like the Advantech ARK3400 documentation
use a non-inverted GPIO pin. We fix this by assuming that
the BIOS will set the Polarity bit for the GPIO correctly
at startup and we keep the Bit-setting intact when we start
and stop the watchdog.

Reported-by: Jean-François Deverge <jf.deverge@gmail.com>
Signed-off-by: Dave Mueller <d.mueller@elsoft.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:30 +02:00
Lokesh Vutla
41814eed41 Watchdog: OMAP: Fix the runtime pm code to avoid module getting stuck intransition state.
OMAP watchdog driver is adapted to runtime PM like a general device
driver but it is not appropriate. It is causing couple of functional
issues.

1. On OMAP4 SYSCLK can't be gated, because of issue with WDTIMER2 module,
which constantly stays in "in transition" state. Value of register
CM_WKUP_WDTIMER2_CLKCTRL is always 0x00010000 in this case.
Issue occurs immediately after first idle, when hwmod framework tries
to disable WDTIMER2 functional clock - "wd_timer2_fck". After this
module falls to "in transition" state, and SYSCLK gating is blocked.

2. Due to runtime PM, watchdog timer may be completely disabled.
In current code base watchdog timer is not disabled only because of
issue 1. Otherwise state of WDTIMER2 module will be "Disabled", and there
will be no interrupts from omap_wdt. In other words watchdog will not
work at all.

Watchdong is a special IP and it should not be disabled otherwise
purpose of it itself is defeated. Watchdog functional clock should
never be disabled. This patch updates the runtime PM handling in
driver so that runtime PM is limited only during probe/shutdown
and suspend/resume.

The patch fixes issue 1 and 2

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:11 +02:00
Gerard Snitselaar
0402450f45 watchdog: ie6xx_wdt: section mismatch in ie6xx_wdt_probe()
ie6xx_wdt_probe() calls ie6xx_wdt_debugfs_exit() as part of
it's error cleanup path, and ie6xx_wdt_debugfs_exit() is
currently annotated __devexit.

Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:49:44 +02:00
Florian Fainelli
5a135f3c72 watchdog: bcm63xx_wdt: fix driver section mismatch
bcm63xx_wdt was used as a platform_driver but was not suffixed with
_driver, thus causing section mismatches, fix that.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:49:24 +02:00
Wim Van Sebroeck
bff23431fe watchdog: iTCO_wdt.c: convert to watchdog core
This patch converts the iTCO_wdt watchdog driver to use the
generic watchdog framework.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:48:41 +02:00
Oskar Schirmer
18cb2ae55f char/ipmi: remove local ioctl defines replaced by generic ones
This watchdog driver had ioctl defines introduced locally
for pre timeout handling, marked to be removed as soon as
a generic replacement would become available.

The latter has actually occurred in 2006, at e05b59fe.

Remove the local duplicates for pre timeout handling.

Signed-off-by: Oskar Schirmer <oskar@scara.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2012-07-23 12:48:04 +02:00
Michal Simek
90fe6c608f watchdog: xilinx: Read clock frequency directly from DT node
Do not use clock-frequency property from parent node.
Use it from watchdog node.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-By: Alejandro Cabrera <acabrera@udio.cujae.edu.cu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:47:00 +02:00
Linus Walleij
c362cb597b watchdog: coh901327_wdt: use clk_prepare/unprepare
Make sure we prepare/unprepare the COH901327 watchdog timer
as is required by the clk API especially if you use common
clock.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by : Pankaj Jangra <jangra.pankaj9@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:46:49 +02:00
Justin Wheeler
3017020dc7 watchdog: f71808e_wdt: Add support for Jetway JNF99 motherboard
The Jetway JNF99 motherboard features a F71869 SuperIO chip, but its
watchdog chipset ID appears to be 1007 (as opposed to 0814).  Some testing
confirmed it behaves the exact same as 0814. So add this chipset ID to the
module's ID list so that the Fintek watchdog driver can correctly identify
and access it.

Signed-off-by: Justin Wheeler <jwheeler@datademons.com>
Acked-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:46:38 +02:00
Cyrus Lien
2d8767bb42 HID: add ASUS AIO keyboard model AK1D
Add Asus All-In-One PC keyboard model AK1D.

BugLink: https://bugs.launchpad.net/bugs/1027789

Signed-off-by: Cyrus Lien <cyrus.lien@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-07-23 12:10:21 +02:00
Mark Brown
15d47763b3 Merge branch 'for-3.5' into for-3.6 2012-07-23 10:45:07 +01:00
Mark Brown
0ff97ebf08 ASoC: dapm: Fix _PRE and _POST events for DAPM performance improvements
Ever since the DAPM performance improvements we've been marking all widgets
as not dirty after each DAPM run. Since _PRE and _POST events aren't part
of the DAPM graph this has rendered them non-functional, they will never be
marked dirty again and thus will never be run again.

Fix this by skipping them when marking widgets as not dirty.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Cc: stable@vger.kernel.org
2012-07-23 10:39:54 +01:00
Weiping Pan
06b6a1cf6e rds: set correct msg_namelen
Jay Fenlason (fenlason@redhat.com) found a bug,
that recvfrom() on an RDS socket can return the contents of random kernel
memory to userspace if it was called with a address length larger than
sizeof(struct sockaddr_in).
rds_recvmsg() also fails to set the addr_len paramater properly before
returning, but that's just a bug.
There are also a number of cases wher recvfrom() can return an entirely bogus
address. Anything in rds_recvmsg() that returns a non-negative value but does
not go through the "sin = (struct sockaddr_in *)msg->msg_name;" code path
at the end of the while(1) loop will return up to 128 bytes of kernel memory
to userspace.

And I write two test programs to reproduce this bug, you will see that in
rds_server, fromAddr will be overwritten and the following sock_fd will be
destroyed.
Yes, it is the programmer's fault to set msg_namelen incorrectly, but it is
better to make the kernel copy the real length of address to user space in
such case.

How to run the test programs ?
I test them on 32bit x86 system, 3.5.0-rc7.

1 compile
gcc -o rds_client rds_client.c
gcc -o rds_server rds_server.c

2 run ./rds_server on one console

3 run ./rds_client on another console

4 you will see something like:
server is waiting to receive data...
old socket fd=3
server received data from client:data from client
msg.msg_namelen=32
new socket fd=-1067277685
sendmsg()
: Bad file descriptor

/***************** rds_client.c ********************/

int main(void)
{
	int sock_fd;
	struct sockaddr_in serverAddr;
	struct sockaddr_in toAddr;
	char recvBuffer[128] = "data from client";
	struct msghdr msg;
	struct iovec iov;

	sock_fd = socket(AF_RDS, SOCK_SEQPACKET, 0);
	if (sock_fd < 0) {
		perror("create socket error\n");
		exit(1);
	}

	memset(&serverAddr, 0, sizeof(serverAddr));
	serverAddr.sin_family = AF_INET;
	serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
	serverAddr.sin_port = htons(4001);

	if (bind(sock_fd, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) {
		perror("bind() error\n");
		close(sock_fd);
		exit(1);
	}

	memset(&toAddr, 0, sizeof(toAddr));
	toAddr.sin_family = AF_INET;
	toAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
	toAddr.sin_port = htons(4000);
	msg.msg_name = &toAddr;
	msg.msg_namelen = sizeof(toAddr);
	msg.msg_iov = &iov;
	msg.msg_iovlen = 1;
	msg.msg_iov->iov_base = recvBuffer;
	msg.msg_iov->iov_len = strlen(recvBuffer) + 1;
	msg.msg_control = 0;
	msg.msg_controllen = 0;
	msg.msg_flags = 0;

	if (sendmsg(sock_fd, &msg, 0) == -1) {
		perror("sendto() error\n");
		close(sock_fd);
		exit(1);
	}

	printf("client send data:%s\n", recvBuffer);

	memset(recvBuffer, '\0', 128);

	msg.msg_name = &toAddr;
	msg.msg_namelen = sizeof(toAddr);
	msg.msg_iov = &iov;
	msg.msg_iovlen = 1;
	msg.msg_iov->iov_base = recvBuffer;
	msg.msg_iov->iov_len = 128;
	msg.msg_control = 0;
	msg.msg_controllen = 0;
	msg.msg_flags = 0;
	if (recvmsg(sock_fd, &msg, 0) == -1) {
		perror("recvmsg() error\n");
		close(sock_fd);
		exit(1);
	}

	printf("receive data from server:%s\n", recvBuffer);

	close(sock_fd);

	return 0;
}

/***************** rds_server.c ********************/

int main(void)
{
	struct sockaddr_in fromAddr;
	int sock_fd;
	struct sockaddr_in serverAddr;
	unsigned int addrLen;
	char recvBuffer[128];
	struct msghdr msg;
	struct iovec iov;

	sock_fd = socket(AF_RDS, SOCK_SEQPACKET, 0);
	if(sock_fd < 0) {
		perror("create socket error\n");
		exit(0);
	}

	memset(&serverAddr, 0, sizeof(serverAddr));
	serverAddr.sin_family = AF_INET;
	serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
	serverAddr.sin_port = htons(4000);
	if (bind(sock_fd, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) {
		perror("bind error\n");
		close(sock_fd);
		exit(1);
	}

	printf("server is waiting to receive data...\n");
	msg.msg_name = &fromAddr;

	/*
	 * I add 16 to sizeof(fromAddr), ie 32,
	 * and pay attention to the definition of fromAddr,
	 * recvmsg() will overwrite sock_fd,
	 * since kernel will copy 32 bytes to userspace.
	 *
	 * If you just use sizeof(fromAddr), it works fine.
	 * */
	msg.msg_namelen = sizeof(fromAddr) + 16;
	/* msg.msg_namelen = sizeof(fromAddr); */
	msg.msg_iov = &iov;
	msg.msg_iovlen = 1;
	msg.msg_iov->iov_base = recvBuffer;
	msg.msg_iov->iov_len = 128;
	msg.msg_control = 0;
	msg.msg_controllen = 0;
	msg.msg_flags = 0;

	while (1) {
		printf("old socket fd=%d\n", sock_fd);
		if (recvmsg(sock_fd, &msg, 0) == -1) {
			perror("recvmsg() error\n");
			close(sock_fd);
			exit(1);
		}
		printf("server received data from client:%s\n", recvBuffer);
		printf("msg.msg_namelen=%d\n", msg.msg_namelen);
		printf("new socket fd=%d\n", sock_fd);
		strcat(recvBuffer, "--data from server");
		if (sendmsg(sock_fd, &msg, 0) == -1) {
			perror("sendmsg()\n");
			close(sock_fd);
			exit(1);
		}
	}

	close(sock_fd);
	return 0;
}

Signed-off-by: Weiping Pan <wpan@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 01:01:44 -07:00
Dan Carpenter
5b3e7e6cb5 openvswitch: potential NULL deref in sample()
If there is no OVS_SAMPLE_ATTR_ACTIONS set then "acts_list" is NULL and
it leads to a NULL dereference when we call nla_len(acts_list).  This
is a static checker fix, not something I have seen in testing.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 00:59:54 -07:00
Eric Dumazet
563d34d057 tcp: dont drop MTU reduction indications
ICMP messages generated in output path if frame length is bigger than
mtu are actually lost because socket is owned by user (doing the xmit)

One example is the ipgre_tunnel_xmit() calling
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));

We had a similar case fixed in commit a34a101e1e (ipv6: disable GSO on
sockets hitting dst_allfrag).

Problem of such fix is that it relied on retransmit timers, so short tcp
sessions paid a too big latency increase price.

This patch uses the tcp_release_cb() infrastructure so that MTU
reduction messages (ICMP messages) are not lost, and no extra delay
is added in TCP transmits.

Reported-by: Maciej Żenczykowski <maze@google.com>
Diagnosed-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Nandita Dukkipati <nanditad@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Tore Anderson <tore@fud.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 00:58:46 -07:00
Yuval Mintz
c3def943c7 bnx2x: Add new 57840 device IDs
The 57840 boards come in two flavours: 2 x 20G and 4 x 10G.
To better differentiate between the two flavours, a separate device ID
was assigned to each.
The silicon default value is still the currently supported 57840 device ID
(0x168d), and since a user can damage the nvram (e.g., 'ethtool -E')
the driver will still support this device ID to allow the user to amend the
nvram back into a supported configuration.

Notice this patch contains lines longer than 80 characters (strings).

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 00:58:21 -07:00
Julian Anastasov
9a0a9502cb tcp: avoid oops in tcp_metrics and reset tcpm_stamp
In tcp_tw_remember_stamp we incorrectly checked tw
instead of tm, it can lead to oops if the cached entry is
not found.

	tcpm_stamp was not updated in tcpm_check_stamp when
tcpm_suck_dst was called, move the update into tcpm_suck_dst,
so that we do not call it infinitely on every next cache hit
after TCP_METRICS_TIMEOUT.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-23 00:57:12 -07:00
Shuah Khan
9b70749e64 niu: Change niu_rbr_fill() to use unlikely() to check niu_rbr_add_page() return value
Change niu_rbr_fill() to use unlikely() to check niu_rbr_add_page() return
value to be consistent with the rest of the checks after niu_rbr_add_page()
calls in this file.

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-22 23:31:07 -07:00
Shuah Khan
ec2deec1f3 niu: Fix to check for dma mapping errors.
Fix Neptune ethernet driver to check dma mapping error after map_page()
interface returns.

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-22 23:31:06 -07:00
Roland Dreier
089117e1ad Merge branches 'cma', 'cxgb4', 'misc', 'mlx4-sriov', 'mlx-cleanups', 'ocrdma' and 'qib' into for-linus 2012-07-22 23:26:17 -07:00