Florian Fainelli [Mon, 9 Jan 2012 23:59:18 +0000 (23:59 +0000)]
s6gmac: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:17 +0000 (23:59 +0000)]
sh-eth: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:16 +0000 (23:59 +0000)]
pxa168-eth: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:15 +0000 (23:59 +0000)]
mv643xx-eth: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:14 +0000 (23:59 +0000)]
lantiq_etop: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:13 +0000 (23:59 +0000)]
fec: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:12 +0000 (23:59 +0000)]
dnet: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:11 +0000 (23:59 +0000)]
macb: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:10 +0000 (23:59 +0000)]
sb1250: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:09 +0000 (23:59 +0000)]
au1000-eth: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:08 +0000 (23:59 +0000)]
bfin_mac: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli [Mon, 9 Jan 2012 23:59:07 +0000 (23:59 +0000)]
ax88796: use an unique MDIO bus name.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jussi Kivilinna [Tue, 10 Jan 2012 06:40:23 +0000 (06:40 +0000)]
asix: fix setting custom MAC address on Asix 88178 devices
In kernel v3.2 initialization sequence for Asix 88178 devices was changed so
that hardware is reseted on every time interface is brought up (ifconfig up),
instead just at USB probe time. This causes problem with setting custom MAC
address to device as ax88178_reset causes reload of MAC address from EEPROM.
This patch fixes the issue by rewriting MAC address at end of ax88178_reset.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: Grant Grundler <grundler@chromium.org>
Cc: Allan Chou <allan@asix.com.tw>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jussi Kivilinna [Tue, 10 Jan 2012 06:40:17 +0000 (06:40 +0000)]
asix: fix setting custom MAC address on Asix 88772 devices
In kernel v3.2 initialization sequence for Asix 88772 devices was changed so
that hardware is reseted on every time interface is brought up (ifconfig up),
instead just at USB probe time. This causes problem with setting custom MAC
address to device as ax88772_reset causes reload of MAC address from EEPROM.
This patch fixes the issue by rewriting MAC address at end of ax88772_reset.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: Grant Grundler <grundler@chromium.org>
Cc: Allan Chou <allan@asix.com.tw>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fabio Estevam [Tue, 10 Jan 2012 01:54:23 +0000 (01:54 +0000)]
drivers: isdn: Fix dependency for ISDN_PPP
Fix the following build warning:
warning: (ISDN_PPP) selects SLHC which has unmet direct dependencies (NETDEVICES)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Roese [Tue, 10 Jan 2012 01:47:51 +0000 (01:47 +0000)]
stmmac: Add missing LF to pr_info() in stmmac_main.c
Otherwise the output looks like this:
...
STMMAC - user ID: 0x10, Synopsys ID: 0x32
No HW DMA feature register supported
Normal descriptors
Remote wake-up capable
Checksum Offload Engine supported
No MAC Management Counters availableIP-Config: Complete:
device=eth0, addr=192.168.20.42, mask=255.255.0.0, gw=192.168.1.254,
...
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Roese [Tue, 10 Jan 2012 01:47:40 +0000 (01:47 +0000)]
stmmac: Fix compilation error in mmc_core.c
Fix this error:
CC drivers/net/ethernet/stmicro/stmmac/mmc_core.o
drivers/net/ethernet/stmicro/stmmac/mmc_core.c: In function 'dwmac_mmc_ctrl':
drivers/net/ethernet/stmicro/stmmac/mmc_core.c:143:2: error: implicit
declaration of function 'pr_debug' [-Werror=implicit-function-declaration]
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 10 Jan 2012 22:53:49 +0000 (14:53 -0800)]
Merge branch 'davem-next.via-rhine' of git://violet.fr.zoreil.com/romieu/linux
Linus Torvalds [Tue, 10 Jan 2012 01:37:37 +0000 (17:37 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: new helper - d_make_root()
dcache: use a dispose list in select_parent
ceph: d_alloc_root() may fail
ext4: fix failure exits
isofs: inode leak on mount failure
Al Viro [Sun, 8 Jan 2012 21:49:21 +0000 (16:49 -0500)]
vfs: new helper - d_make_root()
d_alloc_root() with iput() in case of allocation failure...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Dave Chinner [Tue, 23 Aug 2011 08:56:24 +0000 (18:56 +1000)]
dcache: use a dispose list in select_parent
select_parent currently abuses the dentry cache LRU to provide
cleanup features for child dentries that need to be freed. It moves
them to the tail of the LRU, then tells shrink_dcache_parent() to
calls __shrink_dcache_sb to unconditionally move them to a dispose
list (as DCACHE_REFERENCED is ignored). __shrink_dcache_sb() has to
relock the dentries to move them off the LRU onto the dispose list,
but otherwise does not touch the dentries that select_parent() moved
to the tail of the LRU. It then passses the dispose list to
shrink_dentry_list() which tries to free the dentries.
IOWs, the use of __shrink_dcache_sb() is superfluous - we can build
exactly the same list of dentries for disposal directly in
select_parent() and call shrink_dentry_list() instead of calling
__shrink_dcache_sb() to do that. This means that we avoid long holds
on the lru lock walking the LRU moving dentries to the dispose list
We also avoid the need to relock each dentry just to move it off the
LRU, reducing the numebr of times we lock each dentry to dispose of
them in shrink_dcache_parent() from 3 to 2 times.
Further, we remove one of the two callers of __shrink_dcache_sb().
This also means that __shrink_dcache_sb can be moved into back into
prune_dcache_sb() and we no longer have to handle referenced
dentries conditionally, simplifying the code.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Mon, 9 Jan 2012 22:47:06 +0000 (14:47 -0800)]
Merge git://git./linux/kernel/git/davem/sparc-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
sparc32: remove unused file: include/asm/pgtsun4.h
sparc32: fix PAGE_SIZE definition
sparc32: enable different preemptions models
sparc32: support atomic64_t
apbuart: fix section mismatch warning
sparc32: drop useless preprocessor conditional in atomic_32.h
sparc32: drop unused atomic24 support
Linus Torvalds [Mon, 9 Jan 2012 22:46:52 +0000 (14:46 -0800)]
Merge git://git./linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
igmp: Avoid zero delay when receiving odd mixture of IGMP queries
netdev: make net_device_ops const
bcm63xx: make ethtool_ops const
usbnet: make ethtool_ops const
net: Fix build with INET disabled.
net: introduce netif_addr_lock_nested() and call if when appropriate
net: correct lock name in dev_[uc/mc]_sync documentations.
net: sk_update_clone is only used in net/core/sock.c
8139cp: fix missing napi_gro_flush.
pktgen: set correct max and min in pktgen_setup_inject()
smsc911x: Unconditionally include linux/smscphy.h in smsc911x.h
asix: fix infinite loop in rx_fixup()
net: Default UDP and UNIX diag to 'n'.
r6040: fix typo in use of MCR0 register bits
net: fix sock_clone reference mismatch with tcp memcontrol
Linus Torvalds [Mon, 9 Jan 2012 22:44:15 +0000 (14:44 -0800)]
Merge tag 'clk' of git://git./linux/kernel/git/arm/arm-soc
clock management changes for i.MX
Another simple series related to clock management, this time only for
imx.
* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mxs: select HAVE_CLK_PREPARE for clock
clk: add config option HAVE_CLK_PREPARE into Kconfig
ASoC: mxs-saif: convert to clk_prepare/clk_unprepare
video: mxsfb: convert to clk_prepare/clk_unprepare
serial: mxs-auart: convert to clk_prepare/clk_unprepare
net: flexcan: convert to clk_prepare/clk_unprepare
mtd: gpmi-lib: convert to clk_prepare/clk_unprepare
mmc: mxs-mmc: convert to clk_prepare/clk_unprepare
dma: mxs-dma: convert to clk_prepare/clk_unprepare
net: fec: add clk_prepare/clk_unprepare
ARM: mxs: convert platform code to clk_prepare/clk_unprepare
clk: add helper functions clk_prepare_enable and clk_disable_unprepare
Fix up trivial conflicts in drivers/net/ethernet/freescale/fec.c due to
commit
0ebafefcaa7a ("net: fec: add clk_prepare/clk_unprepare") clashing
trivially with commit
e163cc97f9ac ("net/fec: fix the .remove code").
Linus Torvalds [Mon, 9 Jan 2012 22:40:48 +0000 (14:40 -0800)]
Merge tag 'timer' of git://git./linux/kernel/git/arm/arm-soc
timer changes for msm
A very simple series. We used to have more churn in the timer
area, so this is kept separate. Will probably put this into the
drivers series next time.
* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
msm: timer: Use clockevents_config_and_register()
msm: timer: Setup interrupt after registering clockevent
msm: timer: Remove SoC specific #ifdefs
msm: timer: Remove msm_clocks[] and simplify code
msm: timer: Fix ONESHOT mode interrupts
msm: timer: Use GPT for clockevents and DGT for clocksource
msm: timer: Cleanup #includes and #defines
msm: timer: Tighten #ifdef for local timer support
Linus Torvalds [Mon, 9 Jan 2012 22:39:59 +0000 (14:39 -0800)]
Merge tag 'pm' of git://git./linux/kernel/git/arm/arm-soc
power management changes for omap and imx
A significant part of the changes for these two platforms went into
power management, so they are split out into a separate branch.
* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (65 commits)
ARM: imx6: remove __CPUINIT annotation from v7_invalidate_l1
ARM: imx6: fix v7_invalidate_l1 by adding I-Cache invalidation
ARM: imx6q: resume PL310 only when CACHE_L2X0 defined
ARM: imx6q: build pm code only when CONFIG_PM selected
ARM: mx5: use generic irq chip pm interface for pm functions on
ARM: omap: pass minimal SoC/board data for UART from dt
arm/dts: Add minimal device tree support for omap2420 and omap2430
omap-serial: Add minimal device tree support
omap-serial: Use default clock speed (48Mhz) if not specified
omap-serial: Get rid of all pdev->id usage
ARM: OMAP2+: hwmod: Add a new flag to handle hwmods left enabled at init
ARM: OMAP4: PRM: use PRCM interrupt handler
ARM: OMAP3: pm: use prcm chain handler
ARM: OMAP: hwmod: add support for selecting mpu_irq for each wakeup pad
ARM: OMAP2+: mux: add support for PAD wakeup interrupts
ARM: OMAP: PRCM: add suspend prepare / finish support
ARM: OMAP: PRCM: add support for chain interrupt handler
ARM: OMAP3/4: PRM: add functions to read pending IRQs, PRM barrier
ARM: OMAP2+: hwmod: Add API to enable IO ring wakeup
ARM: OMAP2+: mux: add wakeup-capable hwmod mux entries to dynamic list
...
Linus Torvalds [Mon, 9 Jan 2012 22:39:22 +0000 (14:39 -0800)]
Merge tag 'drivers' of git://git./linux/kernel/git/arm/arm-soc
Driver specific changes
Again, a lot of platforms have changes in here: pxa, samsung, omap,
at91, imx, ...
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
ARM: sa1100: clean up of the clock support
ARM: pxa: add dummy clock for sa1100-rtc
RTC: sa1100: support sa1100, pxa and mmp soc families
RTC: sa1100: remove redundant code of setting alarm
RTC: sa1100: Clean out ost register
Input: zylonite-wm97xx - replace IRQ_GPIO() with gpio_to_irq()
pcmcia: pxa: replace IRQ_GPIO() with gpio_to_irq()
ARM: EXYNOS: Modified files for SPI consolidation work
ARM: S5P64X0: Enable SDHCI support
ARM: S5P64X0: Add lookup of sdhci-s3c clocks using generic names
ARM: S5P64X0: Add HSMMC setup for host Controller
ARM: EXYNOS: Add USB OHCI support to ORIGEN board
USB: Add Samsung Exynos OHCI diver
ARM: EXYNOS: Add USB OHCI support to SMDKV310 board
ARM: EXYNOS: Add USB OHCI device
net: macb: fix build break with !CONFIG_OF
i2c: tegra: Support DVC controller in device tree
i2c: tegra: Add __devinit/exit to probe/remove
net/at91_ether: use gpio_is_valid for phy IRQ line
ARM: at91/net: add macb ethernet controller in 9g45/9g20 DT
...
Linus Torvalds [Mon, 9 Jan 2012 22:38:51 +0000 (14:38 -0800)]
Merge tag 'devel' of git://git./linux/kernel/git/arm/arm-soc
New feature development
This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.
* tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
mfd/db8500-prcmu: remove support for early silicon revisions
ARM: ux500: fix the smp_twd clock calculation
ARM: ux500: remove support for early silicon revisions
ARM: ux500: update register files
ARM: ux500: register DB5500 PMU dynamically
ARM: ux500: update ASIC detection for U5500
ARM: ux500: support DB8520
ARM: picoxcell: implement watchdog restart
ARM: OMAP3+: hwmod data: Add the default clockactivity for I2C
ARM: OMAP3: hwmod data: disable multiblock reads on MMC1/2 on OMAP34xx/35xx <= ES2.1
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3
ARM: OMAP: hwmod data: Add support for AM35xx UART4/ttyO3
ARM: Orion: Remove address map info from all platform data structures
ARM: Orion: Get address map from plat-orion instead of via platform_data
ARM: Orion: mbus_dram_info consolidation
ARM: Orion: Consolidate the address map setup
ARM: Kirkwood: Add configuration for MPP12 as GPIO
ARM: Kirkwood: Recognize A1 revision of 6282 chip
ARM: ux500: update the MOP500 GPIO assignments
...
Linus Torvalds [Mon, 9 Jan 2012 22:37:41 +0000 (14:37 -0800)]
Merge tag 'boards' of git://git./linux/kernel/git/arm/arm-soc
Board-level changes
This adds and extends support for specific boards on a number of
ARM platforms: omap, imx, samsung, tegra, ...
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits)
Enable 32 bit flash support for iMX21ADS board
ARM: mx31pdk: Add MC13783 RTC support
iomux-mx25: configuration to support CSPI3 on CSI pins
MX1:apf9328: Add i2c support
mioa701: add newly available DoC G3 chip
arm/tegra: remove __initdata annotation from pinmux tables
arm/tegra: Use bus notifiers to trigger pinmux setup
arm/tegra: Refactor board-*-pinmux.c to share code
arm/tegra: Fix mistake in Trimslice's pinmux
arm/tegra: Rework Seaboard-vs-Ventana pinmux table
arm/tegra: Remove useless entries from ventana_pinmux[]
arm/tegra: PCIe: Remove include of mach/pinmux.h
arm/tegra: Harmony PCIe: Don't touch pinmux
arm/tegra: Add AUXDATA for tegra-pinmux and tegra-gpio
arm/tegra: Split Seaboard GPIO table to allow for Ventana
ARM: imx6q: generate imx6q dtb files
arm/imx6q: Rename Sabreauto to Armadillo2
arm/imx6q-sabrelite: add enet phy ksz9021rn fixup
arm/imx6: add imx6q sabrelite board support
dts/imx: rename uart labels to consistent with hw spec
...
Linus Torvalds [Mon, 9 Jan 2012 22:33:17 +0000 (14:33 -0800)]
Merge tag 'soc' of git://git./linux/kernel/git/arm/arm-soc
SoC-level changes for tegra and omap
This adds support for the new tegra30 SoC, as well as small
changes to support minor variations of existing omap SoCs.
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
arm/tegra: Compile tegra_dt_init_irq only when CONFIG_OF
arm/tegra: Make MACH_TEGRA_DT depend on ARCH_TEGRA_2x_SOC
arm/tegra: Delete tegra_init_clock()
arm/tegra: Fix section mismatch errors in tegra30 pinmux
arm/tegra: Fix section mismatch errors in tegra20 pinmux
arm/tegra: refresh defconfig for tegra30
arm/tegra: add support for tegra30 based board cardhu
arm/tegra: implement support for tegra30
arm/tegra: pinmux tables and definitions for tegra30
arm/tegra: add new fields to struct tegra_pingroup_desc
arm/tegra: prepare pinmux code for multiple tegra variants
arm/tegra: rename tegra20 pinmux files
arm/tegra: generalize L2 cache initialization
arm/tegra: use PMC reset
arm/tegra: rename board-dt.c to board-dt-tegra20.c
arm/tegra: prepare early init for multiple tegra variants
arm/tegra: don't export clk_measure_input_freq
arm/tegra: prepare clock code for multiple tegra variants
arm/tegra: cleanup tegra20 support
arm/tegra: clk_get should not be fatal
...
Fix up trivial conflict in arch/arm/mach-tegra/board-dt-tegra20.c
Linus Torvalds [Mon, 9 Jan 2012 22:30:28 +0000 (14:30 -0800)]
Merge tag 'cleanup2' of git://git./linux/kernel/git/arm/arm-soc
Cleanups for the Samsung platforms
Various cleanup changes that the device driver changes are built upon.
Since the samsung cleanups depend on the device tree series, which
depends on the first set of cleanups for tegra.
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: Use gpio_request_one
ARM: S5PV210: Use gpio_request_one
ARM: S3C64XX: Modified according to SPI consolidation work
ARM: S5PV210: Modified files for SPI consolidation work
ARM: S5P64X0: Modified files for SPI consolidation work
ARM: S5PC100: Modified files for SPI consolidation work
ARM: S3C64XX: Modified files for SPI consolidation work
ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsung
ARM: SAMSUNG: Remove SPI bus clocks from platform data
ARM: S5PV210: Add SPI clkdev support
ARM: S5P64X0: Add SPI clkdev support
ARM: S5PC100: Add SPI clkdev support
ARM: S3C64XX: Add SPI clkdev support
spi/s3c64xx: Use bus clocks created using clkdev
mmc: sdhci-s3c: Use generic clock names for sdhci bus clock options
ARM: SAMSUNG: Add lookup of sdhci-s3c clocks using generic names
ARM: SAMSUNG: Remove SDHCI bus clocks from platform data
ARM: SAMSUNG: Use kmemdup rather than duplicating its implementation
ARM: EXYNOS: remove exynos4_scu_enable()
Linus Torvalds [Mon, 9 Jan 2012 22:28:38 +0000 (14:28 -0800)]
Merge tag 'dt' of git://git./linux/kernel/git/arm/arm-soc
Device tree conversions for samsung and tegra
Both platforms had some initial device tree support, but this adds
much more to actually make it usable.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGEN
ARM: EXYNOS: Add Exynos4 device tree enabled board file
rtc: rtc-s3c: Add device tree support
input: samsung-keypad: Add device tree support
ARM: S5PV210: Modify platform data for pl330 driver
ARM: S5PC100: Modify platform data for pl330 driver
ARM: S5P64x0: Modify platform data for pl330 driver
ARM: EXYNOS: Add a alias for pdma clocks
ARM: EXYNOS: Limit usage of pl330 device instance to non-dt build
ARM: SAMSUNG: Add device tree support for pl330 dma engine wrappers
DMA: PL330: Add device tree support
ARM: EXYNOS: Modify platform data for pl330 driver
DMA: PL330: Infer transfer direction from transfer request instead of platform data
DMA: PL330: move filter function into driver
serial: samsung: Fix build for non-Exynos4210 devices
serial: samsung: add device tree support
serial: samsung: merge probe() function from all SoC specific extensions
serial: samsung: merge all SoC specific port reset functions
ARM: SAMSUNG: register uart clocks to clock lookup list
serial: samsung: remove all uses of get_clksrc and set_clksrc
...
Fix up fairly trivial conflicts in arch/arm/mach-s3c2440/clock.c and
drivers/tty/serial/Kconfig both due to just adding code close to
changes.
Linus Torvalds [Mon, 9 Jan 2012 22:21:03 +0000 (14:21 -0800)]
Merge tag 'cleanup' of git://git./linux/kernel/git/arm/arm-soc
Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.
Arnd ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
arm/at91: fix build of stamp9g20
ARM: u300: delete memory.h
MAINTAINERS: add maintainer entry for Picochip picoxcell
ARM: picoxcell: move io mappings to common.c
ARM: picoxcell: don't reserve irq_descs
ARM: picoxcell: remove mach/memory.h
ARM: at91: delete the pcontrol_g20_defconfig
arm/tegra: Remove code that's ifndef CONFIG_ARM_GIC
arm/tegra: remove unused defines
arm/tegra: fix variable formatting in makefile
ARM: davinci: vpif: move code to driver core header from platform
ARM: at91/gpio: fix display of number of irq setuped
ARM: at91/gpio: drop PIN_BASE
ARM: at91/udc: use gpio_is_valid to check the gpio
ARM: at91/ohci: use gpio_is_valid to check the gpio
ARM: at91/nand: use gpio_is_valid to check the gpio
ARM: at91/mmc: use gpio_is_valid to check the gpio
ARM: at91/ide: use gpio_is_valid to check the gpio
ARM: at91/pata: use gpio_is_valid to check the gpio
ARM: at91/soc: use gpio_is_valid to check the gpio
...
Linus Torvalds [Mon, 9 Jan 2012 22:20:39 +0000 (14:20 -0800)]
Merge tag 'fixes-non-critical' of git://git./linux/kernel/git/arm/arm-soc
Non-critical bug fixes
Simple bug fixes that were not considered important enough for inclusion
into 3.2.
* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: update pxa and mmp
ARM: pxa: Include linux/export.h in balloon3.c
ARM: OMAP4: clock: Add CPU local timer clock node
ARM: OMAP4: hwmod: Don't wait for the idle status if modulemode is not supported
ARM: OMAP: AM3517/3505: fix crash on boot due to incorrect voltagedomain data
ARM: OMAP: hwmod data: fix the panic on Nokia RM-680 during boot
ARM: OMAP2+: DMA: Workaround for invalid destination position
ARM: OMAP2+: DMA: Workaround for invalid source position
Steven Rostedt [Mon, 9 Jan 2012 22:15:42 +0000 (17:15 -0500)]
tracing/mm: Move include of trace/events/kmem.h out of header into slab.c
Including trace/events/*.h TRACE_EVENT() macro headers in other headers
can cause strange side effects if another trace/event/*.h header
includes that header. Having trace/events/kmem.h inside slab_def.h
caused a compile error in sparc64 when changes were done to some header
files. Moving the kmem.h trace header out of slab.h and into slab.c
fixes the problem.
Note, both slub.c and slob.c already include the trace/events/kmem.h
file. Only slab.c had it missing.
Link: http://lkml.kernel.org/r/20120105190405.1e3191fb5a43b2a0f1655e1f@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ben Hutchings [Mon, 9 Jan 2012 22:06:46 +0000 (14:06 -0800)]
igmp: Avoid zero delay when receiving odd mixture of IGMP queries
Commit
5b7c84066733c5dfb0e4016d939757b38de189e4 ('ipv4: correct IGMP
behavior on v3 query during v2-compatibility mode') added yet another
case for query parsing, which can result in max_delay = 0. Substitute
a value of 1, as in the usual v3 case.
Reported-by: Simon McVittie <smcv@debian.org>
References: http://bugs.debian.org/654876
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
stephen hemminger [Thu, 5 Jan 2012 19:10:25 +0000 (19:10 +0000)]
netdev: make net_device_ops const
More drivers where net_device_ops should be const.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
stephen hemminger [Thu, 5 Jan 2012 19:10:24 +0000 (19:10 +0000)]
bcm63xx: make ethtool_ops const
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
stephen hemminger [Thu, 5 Jan 2012 19:10:23 +0000 (19:10 +0000)]
usbnet: make ethtool_ops const
The ethtool_ops table of function pointers should be const.
Fix all the usb network drivers.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 9 Jan 2012 21:44:23 +0000 (13:44 -0800)]
net: Fix build with INET disabled.
> net/core/sock.c: In function 'sk_update_clone':
> net/core/sock.c:1278:3: error: implicit declaration of function 'sock_update_memcg'
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Al Viro [Mon, 9 Jan 2012 21:34:32 +0000 (16:34 -0500)]
ceph: d_alloc_root() may fail
... and ceph_init_dentry(NULL) will oops
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Mon, 9 Jan 2012 21:08:28 +0000 (13:08 -0800)]
Merge branch 'for-3.3' of git://git./linux/kernel/git/tj/percpu
* 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: Remove irqsafe_cpu_xxx variants
Fix up conflict in arch/x86/include/asm/percpu.h due to clash with
cebef5beed3d ("x86: Fix and improve percpu_cmpxchg{8,16}b_double()")
which edited the (now removed) irqsafe_cpu_cmpxchg*_double code.
Linus Torvalds [Mon, 9 Jan 2012 20:59:24 +0000 (12:59 -0800)]
Merge branch 'for-3.3' of git://git./linux/kernel/git/tj/cgroup
* 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (21 commits)
cgroup: fix to allow mounting a hierarchy by name
cgroup: move assignement out of condition in cgroup_attach_proc()
cgroup: Remove task_lock() from cgroup_post_fork()
cgroup: add sparse annotation to cgroup_iter_start() and cgroup_iter_end()
cgroup: mark cgroup_rmdir_waitq and cgroup_attach_proc() as static
cgroup: only need to check oldcgrp==newgrp once
cgroup: remove redundant get/put of task struct
cgroup: remove redundant get/put of old css_set from migrate
cgroup: Remove unnecessary task_lock before fetching css_set on migration
cgroup: Drop task_lock(parent) on cgroup_fork()
cgroups: remove redundant get/put of css_set from css_set_check_fetched()
resource cgroups: remove bogus cast
cgroup: kill subsys->can_attach_task(), pre_attach() and attach_task()
cgroup, cpuset: don't use ss->pre_attach()
cgroup: don't use subsys->can_attach_task() or ->attach_task()
cgroup: introduce cgroup_taskset and use it in subsys->can_attach(), cancel_attach() and attach()
cgroup: improve old cgroup handling in cgroup_attach_proc()
cgroup: always lock threadgroup during migration
threadgroup: extend threadgroup_lock() to cover exit and exec
threadgroup: rename signal->threadgroup_fork_lock to ->group_rwsem
...
Fix up conflict in kernel/cgroup.c due to commit
e0197aae59e5: "cgroups:
fix a css_set not found bug in cgroup_attach_proc" that already
mentioned that the bug is fixed (differently) in Tejun's cgroup
patchset. This one, in other words.
Al Viro [Mon, 9 Jan 2012 20:53:24 +0000 (15:53 -0500)]
ext4: fix failure exits
a) leaking root dentry is bad
b) in case of failed ext4_mb_init() we don't want to do ext4_mb_release()
c) OTOH, in the same case we *do* want ext4_ext_release()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Mon, 9 Jan 2012 20:51:21 +0000 (12:51 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-fs
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2/3/4: delete unneeded includes of module.h
ext{3,4}: Fix potential race when setversion ioctl updates inode
udf: Mark LVID buffer as uptodate before marking it dirty
ext3: Don't warn from writepage when readonly inode is spotted after error
jbd: Remove j_barrier mutex
reiserfs: Force inode evictions before umount to avoid crash
reiserfs: Fix quota mount option parsing
udf: Treat symlink component of type 2 as /
udf: Fix deadlock when converting file from in-ICB one to normal one
udf: Cleanup calling convention of inode_getblk()
ext2: Fix error handling on inode bitmap corruption
ext3: Fix error handling on inode bitmap corruption
ext3: replace ll_rw_block with other functions
ext3: NULL dereference in ext3_evict_inode()
jbd: clear revoked flag on buffers before a new transaction started
ext3: call ext3_mark_recovery_complete() when recovery is really needed
Linus Torvalds [Mon, 9 Jan 2012 20:51:01 +0000 (12:51 -0800)]
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
ore: Must support none-PAGE-aligned IO
ore: fix BUG_ON, too few sgs when reading
ore: Fix crash in case of an IO error.
ore: FIX breakage when MISC_FILESYSTEMS is not set
Linus Torvalds [Mon, 9 Jan 2012 20:50:15 +0000 (12:50 -0800)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: fix endian conversion issue in discard code
Jiri Pirko [Mon, 9 Jan 2012 06:36:54 +0000 (06:36 +0000)]
net: introduce netif_addr_lock_nested() and call if when appropriate
dev_uc_sync() and dev_mc_sync() are acquiring netif_addr_lock for
destination device of synchronization. Since netif_addr_lock is
already held at the time for source device, this triggers lockdep
deadlock warning.
There's no way this deadlock can happen so use spin_lock_nested() to
silence the warning.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Mon, 9 Jan 2012 06:18:34 +0000 (06:18 +0000)]
net: correct lock name in dev_[uc/mc]_sync documentations.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 9 Jan 2012 20:18:17 +0000 (12:18 -0800)]
Merge branch 'staging-next' of git://git./linux/kernel/git/gregkh/staging
* 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (466 commits)
net/hyperv: Add support for jumbo frame up to 64KB
net/hyperv: Add NETVSP protocol version negotiation
net/hyperv: Remove unnecessary kmap_atomic in netvsc driver
staging/rtl8192e: Register against lib80211
staging/rtl8192e: Convert to lib80211_crypt_info
staging/rtl8192e: Convert to lib80211_crypt_data and lib80211_crypt_ops
staging/rtl8192e: Add lib80211.h to rtllib.h
staging/mei: add watchdog device registration wrappers
drm/omap: GEM, deal with cache
staging: vt6656: int.c, int.h: Change return of function to void
staging: usbip: removed unused definitions from header
staging: usbip: removed dead code from receive function
staging:iio: Drop {mark,unmark}_in_use callbacks
staging:iio: Drop buffer mark_param_change callback
staging:iio: Drop the unused buffer enable() and is_enabled() callbacks
staging:iio: Drop buffer busy flag
staging:iio: Make sure a device is only opened once at a time
staging:iio: Disallow modifying buffer size when buffer is enabled
staging:iio: Disallow changing scan elements in all buffered modes
staging:iio: Use iio_buffer_enabled instead of open coding it
...
Fix up conflict in drivers/staging/iio/adc/ad799x_core.c (removal of
module_init due to using module_i2c_driver() helper, next to removal of
MODULE_ALIAS due to using MODULE_DEVICE_TABLE instead).
Linus Torvalds [Mon, 9 Jan 2012 20:09:47 +0000 (12:09 -0800)]
Merge branch 'usb-next' of git://git./linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
xhci: Clean up 32-bit build warnings.
USB: update documentation for usbmon
usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
drivers/usb/class/cdc-acm.c: clear dangling pointer
drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
drivers/usb/host/isp1760-if.c: introduce missing kfree
usb: option: add ZD Incorporated HSPA modem
usb: ch9: fix up MaxStreams helper
USB: usb-skeleton.c: cleanup open_count
USB: usb-skeleton.c: fix open/disconnect race
xhci: Properly handle COMP_2ND_BW_ERR
USB: remove dead code from suspend/resume path
USB: add quirk for another camera
drivers: usb: wusbcore: Fix dependency for USB_WUSB
xhci: Better debugging for critical host errors.
xhci: Be less verbose during URB cancellation.
xhci: Remove debugging about ring structure allocation.
xhci: Remove debugging about toggling cycle bits.
xhci: Remove debugging for individual transfers.
...
Linus Torvalds [Mon, 9 Jan 2012 20:09:24 +0000 (12:09 -0800)]
Merge branch 'tty-next' of git://git./linux/kernel/git/gregkh/tty
* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (65 commits)
tty: serial: imx: move del_timer_sync() to avoid potential deadlock
imx: add polled io uart methods
imx: Add save/restore functions for UART control regs
serial/imx: let probing fail for the dt case without a valid alias
serial/imx: propagate error from of_alias_get_id instead of using -ENODEV
tty: serial: imx: Allow UART to be a source for wakeup
serial: driver for m32 arch should not have DEC alpha errata
serial/documentation: fix documented name of DCD cpp symbol
atmel_serial: fix spinlock lockup in RS485 code
tty: Fix memory leak in virtual console when enable unicode translation
serial: use DIV_ROUND_CLOSEST instead of open coding it
serial: add support for 400 and 800 v3 series Titan cards
serial: bfin-uart: Remove ASYNC_CTS_FLOW flag for hardware automatic CTS.
serial: bfin-uart: Enable hardware automatic CTS only when CTS pin is available.
serial: make FSL errata depend on 8250_CONSOLE, not just 8250
serial: add irq handler for Freescale 16550 errata.
serial: manually inline serial8250_handle_port
serial: make 8250 timeout use the specified IRQ handler
serial: export the key functions for an 8250 IRQ handler
serial: clean up parameter passing for 8250 Rx IRQ handling
...
Linus Torvalds [Mon, 9 Jan 2012 20:08:59 +0000 (12:08 -0800)]
Merge branch 'char-misc-next' of git://git./linux/kernel/git/gregkh/char-misc
* 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
isl29020: Remove a redundant semi-colon from return statement
BMP085: Remove redundant semi-colon from return statement
drivers:misc: ti-st: DEBUG uart, baud rate mods
drivers:misc: ti-st: flush UART upon fw failure
drivers:misc: ti-st: protect registrations
char_dev.c: fix up some whitespace errors
s390: tape_class.h: remove kobj_map.h inclusion
misc: ad525x_dpot: Add support for SPI module device table matching
Arnd Bergmann [Mon, 9 Jan 2012 17:06:36 +0000 (17:06 +0000)]
Merge branch 'samsung/cleanup' into next/boards
Conflicts:
arch/arm/mach-imx/mach-imx6q.c
arch/arm/mach-omap2/board-ti8168evm.c
arch/arm/mach-s3c64xx/Kconfig
arch/arm/mach-tegra/Makefile
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/common.c
Lots of relatively simple conflicts between the board
changes and stuff from the arm tree. This pulls in
the resolution from the samsung/cleanup tree, so we
don't get conflicting merges.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Linus Torvalds [Mon, 9 Jan 2012 16:31:22 +0000 (08:31 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ext[34]: avoid i_nlink warnings triggered by drop_nlink/inc_nlink kludge in symlink()
exofs: oops after late failure in mount
devpts: fix double-free on mount failure
... and the same for gadgetfs
functionfs: unfuck failure exits on mount
Arnd Bergmann [Mon, 9 Jan 2012 16:16:29 +0000 (16:16 +0000)]
Merge branch 'samsung/driver' into next/drivers
Conflicts:
arch/arm/mach-mxs/include/mach/common.h
Pull in previous samsung conflict merges and do a trivial
merge of an mxs double-add conflict.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Mon, 9 Jan 2012 16:14:07 +0000 (16:14 +0000)]
Merge branch 'samsung/cleanup' into samsung/driver
Conflicts:
arch/arm/mach-s5p64x0/cpu.c -> common.c
More changes to a file that got moved into common.c,
see previous conflict resolutions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Linus Torvalds [Mon, 9 Jan 2012 16:11:13 +0000 (08:11 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/s390/linux
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (31 commits)
[S390] disassembler: mark exception causing instructions
[S390] Enable exception traces by default
[S390] return address of compat signals
[S390] sysctl: get rid of dead declaration
[S390] dasd: fix fixpoint divide exception in define_extent
[S390] dasd: add sanity check to detect path connection error
[S390] qdio: fix kernel panic for zfcp 31-bit
[S390] Add s390x description to Documentation/kdump/kdump.txt
[S390] Add VMCOREINFO_SYMBOL(high_memory) to vmcoreinfo
[S390] dasd: fix expiration handling for recovery requests
[S390] outstanding interrupts vs. smp_send_stop
[S390] ipc: call generic sys_ipc demultiplexer
[S390] zcrypt: Fix error return codes.
[S390] zcrypt: Rework length parameter checking.
[S390] cleanup trap handling
[S390] Remove Kerntypes leftovers
[S390] topology: increase poll frequency if change is anticipated
[S390] entry[64].S improvements
[S390] make arch/s390 subdirectories depend on config option
[S390] kvm: move cmf host id constant out of lowcore
...
Fix up conflicts in arch/s390/kernel/{smp.c,topology.c} due to the
sysdev removal clashing with "topology: get rid of ifdefs" which moved
some of that code around.
Arnd Bergmann [Mon, 9 Jan 2012 16:06:31 +0000 (16:06 +0000)]
Merge branch 'samsung/cleanup' into next/cleanup2
Arnd Bergmann [Mon, 9 Jan 2012 16:01:00 +0000 (16:01 +0000)]
Merge branch 'samsung/dt' into samsung/cleanup
Conflicts:
arch/arm/mach-s3c64xx/Makefile
arch/arm/mach-s5pc100/Makefile
arch/arm/mach-s5pv210/Makefile
Pull in previously resolved conflicts:
The Makefiles were reorganized in the "rmk/restart" series and modified
in the "samsung/cleanup series". This also pulls in the other conflict
resolutions from the restart series against the samsung/dt series.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Al Viro [Mon, 9 Jan 2012 15:48:11 +0000 (10:48 -0500)]
isofs: inode leak on mount failure
d_alloc_root() failure leaves root inode leaked...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Paul Gortmaker [Wed, 4 Jan 2012 20:59:47 +0000 (15:59 -0500)]
ext2/3/4: delete unneeded includes of module.h
Delete any instances of include module.h that were not strictly
required. In the case of ext2, the declaration of MODULE_LICENSE
etc. were in inode.c but the module_init/exit were in super.c, so
relocate the MODULE_LICENCE/AUTHOR block to super.c which makes it
consistent with ext3 and ext4 at the same time.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Djalal Harouni [Tue, 3 Jan 2012 01:31:52 +0000 (02:31 +0100)]
ext{3,4}: Fix potential race when setversion ioctl updates inode
The EXT{3,4}_IOC_SETVERSION ioctl() updates i_ctime and i_generation
without i_mutex. This can lead to a race with the other operations that
update i_ctime. This is not a big issue but let's make the ioctl consistent
with how we handle e.g. other timestamp updates and use i_mutex to protect
inode changes.
Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Fri, 23 Dec 2011 10:53:07 +0000 (11:53 +0100)]
udf: Mark LVID buffer as uptodate before marking it dirty
When we hit EIO while writing LVID, the buffer uptodate bit is cleared.
This then results in an anoying warning from mark_buffer_dirty() when we
write the buffer again. So just set uptodate flag unconditionally.
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Thu, 22 Dec 2011 15:49:05 +0000 (16:49 +0100)]
ext3: Don't warn from writepage when readonly inode is spotted after error
WARN_ON_ONCE(IS_RDONLY(inode)) tends to trip when filesystem hits error and is
remounted read-only. This unnecessarily scares users (well, they should be
scared because of filesystem error, but the stack trace distracts them from the
right source of their fear ;-). We could as well just remove the WARN_ON but
it's not hard to fix it to not trip on filesystem with errors and not use more
cycles in the common case so that's what we do.
CC: stable@kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Thu, 22 Dec 2011 13:52:21 +0000 (14:52 +0100)]
jbd: Remove j_barrier mutex
j_barrier mutex is used for serializing different journal lock operations. The
problem with it is that e.g. FIFREEZE ioctl results in process leaving kernel
with j_barrier mutex held which makes lockdep freak out. Also hibernation code
wants to freeze filesystem but it cannot do so because it then cannot hibernate
the system because of mutex being locked.
So we remove j_barrier mutex and use direct wait on j_barrier_count instead.
Since locking journal is a rare operation we don't have to care about fairness
or such things.
CC: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Jeff Mahoney [Wed, 21 Dec 2011 20:18:43 +0000 (21:18 +0100)]
reiserfs: Force inode evictions before umount to avoid crash
This patch fixes a crash in reiserfs_delete_xattrs during umount.
When shrink_dcache_for_umount clears the dcache from
generic_shutdown_super, delayed evictions are forced to disk. If an
evicted inode has extended attributes associated with it, it will
need to walk the xattr tree to locate and remove them.
But since shrink_dcache_for_umount will BUG if it encounters active
dentries, the xattr tree must be released before it's called or it will
crash during every umount.
This patch forces the evictions to occur before generic_shutdown_super
by calling shrink_dcache_sb first. The additional evictions caused
by the removal of each associated xattr file and dir will be automatically
handled as they're added to the LRU list.
CC: reiserfs-devel@vger.kernel.org
CC: stable@kernel.org
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Wed, 21 Dec 2011 16:35:34 +0000 (17:35 +0100)]
reiserfs: Fix quota mount option parsing
When jqfmt mount option is not specified on remount, we mistakenly clear
s_jquota_fmt value stored in superblock. Fix the problem.
CC: stable@kernel.org
CC: reiserfs-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Mon, 12 Dec 2011 14:13:50 +0000 (15:13 +0100)]
udf: Treat symlink component of type 2 as /
Currently, we ignore symlink component of type 2. But mkisofs and other OS'
seem to treat it as / so do the same for compatibility.
Reported-by: "Gábor S." <otnaccess@hotmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Sat, 10 Dec 2011 01:30:48 +0000 (02:30 +0100)]
udf: Fix deadlock when converting file from in-ICB one to normal one
During BKL removal in 2.6.38, conversion of files from in-ICB format to normal
format got broken. We call ->writepage with i_data_sem held but udf_get_block()
also acquires i_data_sem thus creating A-A deadlock.
We fix the problem by dropping i_data_sem before calling ->writepage() which is
safe since i_mutex still protects us against any changes in the file. Also fix
pagelock - i_data_sem lock inversion in udf_expand_file_adinicb() by dropping
i_data_sem before calling find_or_create_page().
CC: stable@kernel.org
Reported-by: Matthias Matiak <netzpython@mail-on.us>
Tested-by: Matthias Matiak <netzpython@mail-on.us>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Sat, 10 Dec 2011 00:43:33 +0000 (01:43 +0100)]
udf: Cleanup calling convention of inode_getblk()
inode_getblk() always returned NULL and passed results in its parameters.
Make the function return something useful - found block number.
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Thu, 8 Dec 2011 23:08:58 +0000 (00:08 +0100)]
ext2: Fix error handling on inode bitmap corruption
When insert_inode_locked() fails in ext2_new_inode() it most likely means inode
bitmap got corrupted and we allocated again inode which is already in use. Also
doing unlock_new_inode() during error recovery is wrong since the inode does
not have I_NEW set. Fix the problem by informing about filesystem error and
jumping to fail: (instead of fail_drop:) which doesn't call unlock_new_inode().
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Jan Kara [Thu, 8 Dec 2011 20:13:46 +0000 (21:13 +0100)]
ext3: Fix error handling on inode bitmap corruption
When insert_inode_locked() fails in ext3_new_inode() it most likely
means inode bitmap got corrupted and we allocated again inode which
is already in use. Also doing unlock_new_inode() during error recovery
is wrong since inode does not have I_NEW set. Fix the problem by jumping
to fail: (instead of fail_drop:) which declares filesystem error and
does not call unlock_new_inode().
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Zheng Liu [Mon, 5 Dec 2011 07:55:11 +0000 (15:55 +0800)]
ext3: replace ll_rw_block with other functions
ll_rw_block() is deprecated. Thus we replace it with other functions.
CC: Jan Kara <jack@suse.cz>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Stephen Rothwell [Mon, 9 Jan 2012 05:33:16 +0000 (16:33 +1100)]
net: sk_update_clone is only used in net/core/sock.c
so move it there. Fixes build errors when CONFIG_INET is not defined:
In file included from include/linux/tcp.h:211:0,
from include/linux/ipv6.h:221,
from include/net/ipv6.h:16,
from include/linux/sunrpc/clnt.h:26,
from include/linux/nfs_fs.h:50,
from init/do_mounts.c:20:
include/net/sock.h: In function 'sk_update_clone':
include/net/sock.h:1109:3: error: implicit declaration of function 'sock_update_memcg' [-Werror=implicit-function-declaration]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
françois romieu [Sun, 8 Jan 2012 13:41:33 +0000 (13:41 +0000)]
8139cp: fix missing napi_gro_flush.
The driver uses __napi_complete and napi_gro_receive. Without it, the
driver hits the BUG_ON(n->gro_list) assertion hard in __napi_complete.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Marin Glibic <zhilla2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Al Viro [Mon, 9 Jan 2012 00:50:23 +0000 (19:50 -0500)]
ext[34]: avoid i_nlink warnings triggered by drop_nlink/inc_nlink kludge in symlink()
Both ext3 and ext4 put the half-created symlink inode into the orphan list
for a while (see the comment in ext[34]_symlink() for gory details). Then,
if everything went fine, they pull it out of the orphan list and bump the
link count back to 1. The thing is, inc_nlink() is going to complain about
seeing somebody changing i_nlink from 0 to 1. With a good reason, since
normally something like that is a bug. Explicit set_nlink(inode, 1) does
the same thing as inc_nlink() here, but it does *not* complain - exactly
because it should be usable in strange situations like this one.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Mon, 9 Jan 2012 00:45:28 +0000 (19:45 -0500)]
exofs: oops after late failure in mount
We have already set ->s_root, so ->put_super() is going to be called.
Freeing ->s_fs_info is a bloody bad idea when it's going to be
dereferenced very shortly...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Mon, 9 Jan 2012 00:40:27 +0000 (19:40 -0500)]
devpts: fix double-free on mount failure
devpts_kill_sb() is called even if devpts_fill_super() fails;
we should not do that kfree() in the latter, especially not
with ->s_fs_info left pointing to freed object. Double kfree()
is a Bad Thing(tm)...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 8 Jan 2012 20:59:45 +0000 (15:59 -0500)]
... and the same for gadgetfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 8 Jan 2012 20:38:27 +0000 (15:38 -0500)]
functionfs: unfuck failure exits on mount
* if you do dput() of root dentry, do *not* follow that with iput() of root
inode.
* while we are at it, don't do that dput() at all - you are leaving the pointer
in ->s_root and your ->kill_sb() will be very unhappy with that. It will do
proper dput(), though, so the easiest way is to leave that to it entirely.
* freeing ->s_fs_info is also best left to ->kill_sb() (which will do it
anyway), especially since we leave the pointer in place.
* that xchg() in ->kill_sb() is not a bug per se, but it's a plain and simple
masturbation with fewer excuses than Onan had...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Jesper Juhl [Sun, 8 Jan 2012 21:44:29 +0000 (22:44 +0100)]
audit: always follow va_copy() with va_end()
A call to va_copy() should always be followed by a call to va_end() in
the same function. In kernel/autit.c::audit_log_vformat() this is not
always done. This patch makes sure va_end() is always called.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jesper Juhl [Sun, 8 Jan 2012 21:44:19 +0000 (22:44 +0100)]
drivers/scsi/aacraid/commctrl.c: fix mem leak in aac_send_raw_srb()
We leak in drivers/scsi/aacraid/commctrl.c::aac_send_raw_srb() :
We allocate memory:
...
struct user_sgmap* usg;
usg = kmalloc(actual_fibsize - sizeof(struct aac_srb)
+ sizeof(struct sgmap), GFP_KERNEL);
and then neglect to free it:
...
for (i = 0; i < usg->count; i++) {
u64 addr;
void* p;
if (usg->sg[i].count >
((dev->adapter_info.options &
AAC_OPT_NEW_COMM) ?
(dev->scsi_host_ptr->max_sectors << 9) :
65536)) {
rcode = -EINVAL;
goto cleanup;
... this 'goto' makes 'usg' go out of scope and leak the memory we
allocated.
Other exits properly kfree(usg), it's just here it is neglected.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 8 Jan 2012 22:05:48 +0000 (14:05 -0800)]
Merge tag 'infiniband-for-linus' of git://git./linux/kernel/git/roland/infiniband
infiniband changes for 3.3 merge window
* tag 'infiniband-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
rdma/core: Fix sparse warnings
RDMA/cma: Fix endianness bugs
RDMA/nes: Fix terminate during AE
RDMA/nes: Make unnecessarily global nes_set_pau() static
RDMA/nes: Change MDIO bus clock to 2.5MHz
IB/cm: Fix layout of APR message
IB/mlx4: Fix SL to 802.1Q priority-bits mapping for IBoE
IB/qib: Default some module parameters optimally
IB/qib: Optimize locking for get_txreq()
IB/qib: Fix a possible data corruption when receiving packets
IB/qib: Eliminate 64-bit jiffies use
IB/qib: Fix style issues
IB/uverbs: Protect QP multicast list
Linus Torvalds [Sun, 8 Jan 2012 22:05:09 +0000 (14:05 -0800)]
Merge branch 'dma-buf-merge' of git://people.freedesktop.org/~airlied/linux
* 'dma-buf-merge' of git://people.freedesktop.org/~airlied/linux:
dma-buf: mark EXPERIMENTAL for 1st release.
dma-buf: Documentation for buffer sharing framework
dma-buf: Introduce dma buffer sharing mechanism
Linus Torvalds [Sun, 8 Jan 2012 21:39:24 +0000 (13:39 -0800)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
max1111.c: fix checkpatch warning
hwmon: (lm75) fix checkpatch warnings
hwmon: (lm80) fix checkpatch messages
hwmon: replaced strict_str* with kstr*
hwmon: (lm75) fix checkpatch warning
hwmon: (lm75) added error handling
hwmon: (ltc4261) set data->valid to 0 if error
hwmon: (f75375s) Add support for F75387SG/RG
hwmon: (f75375s) Disable setting DC fan control mode for F75373
hwmon: (f75375s) Initialize pwmX_mode and pwmX_enable if there is no platform data
hwmon: (f75375s) Fix value range for PWM modes
hwmon: (f75375s) Use standard sysfs attribute names
hwmon: (f75375s) Fix checkpatch errors and warnings
hwmon: (pmbus/zl6100) Only instantiate external temperature sensor if enabled
hwmon: (pmbus/zl6100) Add support for Ericsson BMR45[0,1] and BMR46[2,3,4]
hwmon: (pmbus/zl6100) Add support for ZL2005
hwmon: (pmbus/adm1275) Validate device ID
Linus Torvalds [Sun, 8 Jan 2012 21:35:24 +0000 (13:35 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/broonie/regmap
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (36 commits)
mfd: Clearing events requires event registers to be writable for da9052-core
mfd: Fix annotations in da9052-core
gpiolib: Mark da9052 driver broken
mfd: Declare da9052_regmap_config for the bus drivers
MFD: DA9052/53 MFD core module add SPI support v2
MFD: DA9052/53 MFD core module
regmap: Add irq_base accessor to regmap_irq
regmap: Allow drivers to reinitialise the register cache at runtime
regmap: Add trace event for successful cache reads
regmap: Allow regmap_update_bits() users to detect changes
regmap: Report if we actually handled an interrupt in regmap-irq
regmap: Fix rbtreee build when not using debugfs
regmap: Provide debugfs dump of the rbtree cache data
regmap: Do debugfs init before cache init
regmap: Suppress noop writes in regmap_update_bits()
regmap: Remove indexed cache type
regmap: Drop check whether a register is readable in regcache_read
regmap: Properly round cache_word_size
regmap: Add support for 10/14 register formating
regmap: Try cached read before checking if a hardware read is possible
...
Linus Torvalds [Sun, 8 Jan 2012 21:28:33 +0000 (13:28 -0800)]
Merge tag 'md-3.3' of git://neil.brown.name/md
md update for 3.3
Big change is new hot-replacement.
A slot in an array can hold 2 devices - one that
wants-replacement and one that is the replacement.
Once the replacement is built - either from the
original or (in the case of errors) from elsewhere,
the wants-replacement device will be removed.
* tag 'md-3.3' of git://neil.brown.name/md: (36 commits)
md/raid1: Mark device want_replacement when we see a write error.
md/raid1: If there is a spare and a want_replacement device, start replacement.
md/raid1: recognise replacements when assembling arrays.
md/raid1: handle activation of replacement device when recovery completes.
md/raid1: Allow a failed replacement device to be removed.
md/raid1: Allocate spare to store replacement devices and their bios.
md/raid1: Replace use of mddev->raid_disks with conf->raid_disks.
md/raid10: If there is a spare and a want_replacement device, start replacement.
md/raid10: recognise replacements when assembling array.
md/raid10: Allow replacement device to be replace old drive.
md/raid10: handle recovery of replacement devices.
md/raid10: Handle replacement devices during resync.
md/raid10: writes should get directed to replacement as well as original.
md/raid10: allow removal of failed replacement devices.
md/raid10: preferentially read from replacement device if possible.
md/raid10: change read_balance to return an rdev
md/raid10: prepare data structures for handling replacement.
md/raid5: Mark device want_replacement when we see a write error.
md/raid5: If there is a spare and a want_replacement device, start replacement.
md/raid5: recognise replacements when assembling array.
...
Linus Torvalds [Sun, 8 Jan 2012 21:21:22 +0000 (13:21 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
Kconfig: acpi: Fix typo in comment.
misc latin1 to utf8 conversions
devres: Fix a typo in devm_kfree comment
btrfs: free-space-cache.c: remove extra semicolon.
fat: Spelling s/obsolate/obsolete/g
SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
tools/power turbostat: update fields in manpage
mac80211: drop spelling fix
types.h: fix comment spelling for 'architectures'
typo fixes: aera -> area, exntension -> extension
devices.txt: Fix typo of 'VMware'.
sis900: Fix enum typo 'sis900_rx_bufer_status'
decompress_bunzip2: remove invalid vi modeline
treewide: Fix comment and string typo 'bufer'
hyper-v: Update MAINTAINERS
treewide: Fix typos in various parts of the kernel, and fix some comments.
clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
leds: Kconfig: Fix typo 'D2NET_V2'
sound: Kconfig: drop unknown symbol ARCH_CLPS7500
...
Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
Linus Torvalds [Sun, 8 Jan 2012 21:15:27 +0000 (13:15 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/apm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/apm:
x86: Kconfig: drop unknown symbol 'APM_MODULE'
Linus Torvalds [Sun, 8 Jan 2012 21:10:57 +0000 (13:10 -0800)]
Merge branch 'pm-for-linus' of git://git./linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits)
PM / Hibernate: Implement compat_ioctl for /dev/snapshot
PM / Freezer: fix return value of freezable_schedule_timeout_killable()
PM / shmobile: Allow the A4R domain to be turned off at run time
PM / input / touchscreen: Make st1232 use device PM QoS constraints
PM / QoS: Introduce dev_pm_qos_add_ancestor_request()
PM / shmobile: Remove the stay_on flag from SH7372's PM domains
PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume
PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode
PM: Drop generic_subsys_pm_ops
PM / Sleep: Remove forward-only callbacks from AMBA bus type
PM / Sleep: Remove forward-only callbacks from platform bus type
PM: Run the driver callback directly if the subsystem one is not there
PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
PM / Sleep: Merge internal functions in generic_ops.c
PM / Sleep: Simplify generic system suspend callbacks
PM / Hibernate: Remove deprecated hibernation snapshot ioctls
PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
ARM: S3C64XX: Implement basic power domain support
PM / shmobile: Use common always on power domain governor
...
Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused
XBT_FORCE_SLEEP bit
Linus Torvalds [Sun, 8 Jan 2012 21:07:54 +0000 (13:07 -0800)]
Merge git://git./linux/kernel/git/steve/gfs2-3.0-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw:
GFS2: local functions should be static
GFS2: We only need one ACL getting function
GFS2: Fix multi-block allocation
GFS2: decouple quota allocations from block allocations
GFS2: split function rgblk_search
GFS2: Fix up "off by one" in the previous patch
GFS2: move toward a generic multi-block allocator
GFS2: O_(D)SYNC support for fallocate
GFS2: remove vestigial al_alloced
GFS2: combine gfs2_alloc_block and gfs2_alloc_di
GFS2: Add non-try locks back to get_local_rgrp
GFS2: f_ra is always valid in dir readahead function
GFS2: Fix very unlikley memory leak in ACL xattr code
GFS2: More automated code analysis fixes
GFS2: Add readahead to sequential directory traversal
GFS2: Fix up REQ flags
Linus Torvalds [Sun, 8 Jan 2012 21:05:29 +0000 (13:05 -0800)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (22 commits)
xfs: mark the xfssyncd workqueue as non-reentrant
xfs: simplify xfs_qm_detach_gdquots
xfs: fix acl count validation in xfs_acl_from_disk()
xfs: remove unused XBT_FORCE_SLEEP bit
xfs: remove XFS_QMOPT_DQSUSER
xfs: kill xfs_qm_idtodq
xfs: merge xfs_qm_dqinit_core into the only caller
xfs: add a xfs_dqhold helper
xfs: simplify xfs_qm_dqattach_grouphint
xfs: nest qm_dqfrlist_lock inside the dquot qlock
xfs: flatten the dquot lock ordering
xfs: implement lazy removal for the dquot freelist
xfs: remove XFS_DQ_INACTIVE
xfs: cleanup xfs_qm_dqlookup
xfs: cleanup dquot locking helpers
xfs: remove the sync_mode argument to xfs_qm_dqflush_all
xfs: remove xfs_qm_sync
xfs: make sure to really flush all dquots in xfs_qm_quotacheck
xfs: untangle SYNC_WAIT and SYNC_TRYLOCK meanings for xfs_qm_dqflush
xfs: remove the lid_size field in struct log_item_desc
...
Fix up trivial conflict in fs/xfs/xfs_sync.c
Linus Torvalds [Sun, 8 Jan 2012 20:19:57 +0000 (12:19 -0800)]
Merge branch 'for-linus2' of git://git./linux/kernel/git/viro/vfs
* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (165 commits)
reiserfs: Properly display mount options in /proc/mounts
vfs: prevent remount read-only if pending removes
vfs: count unlinked inodes
vfs: protect remounting superblock read-only
vfs: keep list of mounts for each superblock
vfs: switch ->show_options() to struct dentry *
vfs: switch ->show_path() to struct dentry *
vfs: switch ->show_devname() to struct dentry *
vfs: switch ->show_stats to struct dentry *
switch security_path_chmod() to struct path *
vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb
vfs: trim includes a bit
switch mnt_namespace ->root to struct mount
vfs: take /proc/*/mounts and friends to fs/proc_namespace.c
vfs: opencode mntget() mnt_set_mountpoint()
vfs: spread struct mount - remaining argument of next_mnt()
vfs: move fsnotify junk to struct mount
vfs: move mnt_devname
vfs: move mnt_list to struct mount
vfs: switch pnode.h macros to struct mount *
...
Boaz Harrosh [Wed, 28 Dec 2011 17:21:45 +0000 (19:21 +0200)]
ore: Must support none-PAGE-aligned IO
NFS might send us offsets that are not PAGE aligned. So
we must read in the reminder of the first/last pages, in cases
we need it for Parity calculations.
We only add an sg segments to read the partial page. But
we don't mark it as read=true because it is a lock-for-write
page.
TODO: In some cases (IO spans a single unit) we can just
adjust the raid_unit offset/length, but this is left for
later Kernels.
[Bug in 3.2.0 Kernel]
CC: Stable Tree <stable@kernel.org>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Francois Romieu [Sat, 7 Jan 2012 21:58:27 +0000 (22:58 +0100)]
via-rhine: rework suspend and resume.
Cover of
861ab44059350e5cab350238606cf8814abab93b.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Francois Romieu [Sat, 7 Jan 2012 21:39:37 +0000 (22:39 +0100)]
via-rhine: per device debug level.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Francois Romieu [Sat, 7 Jan 2012 21:19:36 +0000 (22:19 +0100)]
via-rhine: RHINE_WAIT_FOR macro removal.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Francois Romieu [Fri, 6 Jan 2012 20:42:26 +0000 (21:42 +0100)]
via-rhine: move work from irq handler to softirq and beyond.
- Tx processing is moved from the irq handler to NAPI poll
- link events and obscure event processing is moved to its proper work queue
Locking rules undergo some changes through the driver.
- the driver offers the usual lock-free Tx path
- besides the IRQ handler, the link event task schedules the napi handler.
The driver thus adds some internal locking to prevent a loop when both
must be disabled.
- the reset task keeps being scheduled from the Tx watchdog handler, thus
with implicit Tx queue disabling. It does not need to care about irq,
only napi softirq and competing task.
- it is not worth to add a dedicated lock between {g, s}et_wol and
rhine_shutdown. It should not hurt no narrow it down a bit though.
- rhine_reset_task must keep its huge spin_lock_bh protected section due
to :
- races for the CAM registers (see rhine_vlan_rx_{add, kill}_vid)
- implicit use of napi_enable (see init_registers)
- use of the same lock for stats read / update exclusion between
napi rx processing and rhine_get_stats
- rhine_resume requires a softirq disabled section for the same reason
as rhine_reset_task
- {free, request}_irq have been replaced with IntrEnable actions in
rhine_{suspend, resume}. It is hidden behind init_registers for the
latter.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Francois Romieu [Fri, 6 Jan 2012 20:03:59 +0000 (21:03 +0100)]
via-rhine: remove useless forward declarations.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>