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Add a debounce parameter to the mmc_gpio_request_cd() function that
enables GPIO debouncing when set to a non-zero value. This can be used
by MMC host drivers to enable debouncing on the card detect signal.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Include 'dw_mmc-pltfm.h' header file in order to fix the following
sparse warnings:
drivers/mmc/host/dw_mmc-pltfm.c:36:5: warning: symbol 'dw_mci_pltfm_register' was not declared. Should it be static?
drivers/mmc/host/dw_mmc-pltfm.c:94:1: warning: symbol 'dw_mci_pltfm_pmops' was not declared. Should it be static?
drivers/mmc/host/dw_mmc-pltfm.c:118:5: warning: symbol 'dw_mci_pltfm_remove' was not declared. Should it be static?
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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I'm testing SH-Mobile SDHI driver in DMA mode with a new DMA controller using
'bonnie++' and getting DMA error after which the tmio_mmc_dma.c code falls back
to PIO but all commands time out after that. It turned out that the fallback
code calls tmio_mmc_enable_dma() with RX/TX channels already freed and pointers
to them cleared, so that the function bails out early instead of clearing the
DMA bit in the CTL_DMA_ENABLE register. The regression was introduced by commit
162f43e31c5a376ec16336e5d0ac973373d54c89 (mmc: tmio: fix a deadlock).
Moving tmio_mmc_enable_dma() calls to the top of the PIO fallback code in
tmio_mmc_start_dma_{rx|tx}() helps.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: stable@vger.kernel.org # 3.1+
Signed-off-by: Chris Ball <cjb@laptop.org>
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Added missing MFD_SYSCON dependency for SOCFPGA in order to fix
the following link error.
drivers/mmc/host/dw_mmc-socfpga.c:49: undefined reference to `syscon_regmap_lookup_by_compatible'
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Signed-off-by: Minjian Wu <minjianwu@micron.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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A previous commit (fdfa20c1631210d0) reordered the shutdown sequence
in mmc_blk_remove_req. However, mmc_cleanup_queue is now called before
we get the card pointer, and mmc_cleanup_queue sets mq->card to NULL.
This patch moves the card pointer assignment before mmc_cleanup_queue.
Signed-off-by: Franck Jullien <franck.jullien@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The usage of strict_strtol() is not preferred, because
strict_strtol() is obsolete. Thus, kstrtol() should be used.
Also, both kstrtol() and copy_from_user() can be replaced
with kstrtol_from_user() to make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Since SD Physical Layer specification V3.0, AU_SIZE is supported up
to 0xf. So If SD-card is supported v3.0, then max_au should be 0xf.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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In function mmc_sd_init_card, if command 3/9/7 got failed, mmc_card
allocated just before won't be freed. This would cause memory leak.
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Chris Ball <cjb@laptop.org>
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omap_hsmmc.c depends on <linux/sizes.h> being included indirectly by
another header. Once we enable COMPILE_TEST for this driver, we might
compile under architectures which won't include <linux/sizes.h> for us.
In fact, one such case is x86.
In order to prevent compile breakages, let's explicitly include
<linux/sizes.h>.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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In (1fb5f68 mmc: dw_mmc: Don't loop when handling an interrupt), the
code for handling DW_MCI_QUIRK_IDMAC_DTO became dead code. Move it to
where it ought to live.
Found by code inspection and compile-tested only--I don't know of any
boards that need DW_MCI_QUIRK_IDMAC_DTO.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Current MMC driver doesn't handle generic error (bit19 of device
status) in write sequence. As a result, write data gets lost when
generic error occurs. For example, a generic error when updating a
filesystem management information causes a loss of write data and
corrupts the filesystem. In the worst case, the system will never
boot.
This patch includes the following functionality:
1. To enable error checking for the response of CMD12 and CMD13
in write command sequence
2. To retry write sequence when a generic error occurs
Messages are added for v2 to show what occurs.
Signed-off-by: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Generally request_irq() should be called after hardware has been
initialized into a sane state. However, sdhci driver currently calls
request_irq() before sdhci_init(). At least, the following kernel panic
seen on i.MX6 is caused by that. The sdhci controller on i.MX6 may have
noisy glitch on DAT1 line, which will trigger SDIO interrupt handling
once request_irq() is called. But at this point, the SDIO interrupt
handler host->sdio_irq_thread has not been registered yet. Thus, we
see the NULL pointer access with wake_up_process(host->sdio_irq_thread)
in mmc_signal_sdio_irq().
Fix the panic by simply reverse the calling sequence between
request_irq() and sdhci_init().
sdhci-pltfm: SDHCI platform and OF driver helper
mmc0: no vqmmc regulator found
mmc0: no vmmc regulator found
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = 80004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0+ #3
task: 9f860000 ti: 9f862000 task.ti: 9f862000
PC is at wake_up_process+0xc/0x44
LR is at sdhci_irq+0x378/0x93c
pc : [<8004f768>] lr : [<803fb698>] psr: 40000193
sp : 9f863ba0 ip : 9f863bb8 fp : 9f863bb4
r10: 9f807900 r9 : 80761fbc r8 : 00000000
r7 : 00000000 r6 : 00000000 r5 : 00000001 r4 : 9fa68000
r3 : 00000001 r2 : 00000002 r1 : 20000193 r0 : 00000000
Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 8000404a DAC: 00000017
Process swapper/0 (pid: 1, stack limit = 0x9f862238)
Stack: (0x9f863ba0 to 0x9f864000)
3ba0: 00000001 9fa68000 9f863c04 9f863bb8 803fb698 8004f768 8011af00 80265aac
3bc0: 00000000 000003d9 00000000 9fa51880 00000001 00000000 9f863c14 9fa53640
3be0: 00000001 00000000 00000000 00000036 80761fbc 9f807900 9f863c3c 9f863c08
3c00: 80075154 803fb32c 802c2b38 802c63d8 802c63cc 9f807900 00000001 9f862000
3c20: 00000036 00000000 9f807930 60000113 9f863c54 9f863c40 800752ec 8007510c
3c40: 9f807900 00000001 9f863c6c 9f863c58 80078324 800752a8 00000036 8071fd64
3c60: 9f863c84 9f863c70 80074ac0 80078294 00000140 8072ab78 9f863cac 9f863c88
3c80: 8000ee34 80074aa4 00000000 a080e10c 8072acbc 9f863cd0 a080e100 00000036
3ca0: 9f863ccc 9f863cb0 80008600 8000edec 805386a8 60000113 ffffffff 9f863d04
3cc0: 9f863d24 9f863cd0 8000e0c0 800085dc 9f807950 60000113 00000007 00000000
3ce0: 9f807900 9fa53640 9f807950 9fa68240 00000036 9f807930 60000113 9f863d24
3d00: 9f863d28 9f863d18 80076834 805386a8 60000113 ffffffff 9f863d64 9f863d28
3d20: 80076834 80538688 00000000 800bfe4c 00002fac 00000001 9f863d54 9fa53640
3d40: 9f807900 803fb320 9fa68240 00000080 00000000 00000036 9f863d94 9f863d68
3d60: 80076b38 80076674 00000080 9fa68240 9fa68000 04000000 9fa6836c 9fa68380
3d80: 806d620c 80700350 9f863dc4 9f863d98 803fce8c 80076a88 9fa532c0 9fa68240
3da0: 9fa51490 9fa51490 9fa68240 00000000 9f8ae600 9f81d080 9f863df4 9f863dc8
3dc0: 803fea0c 803fc808 9f863de4 9f863dd8 80125850 807b1ed8 807576b8 9f8ae610
3de0: 00000000 807576b8 9f863e04 9f863df8 802ee0d4 803fe798 9f863e2c 9f863e08
3e00: 802ecd1c 802ee0c0 00000000 9f8ae610 807576b8 9f8ae644 00000000 000000a9
3e20: 9f863e4c 9f863e30 802ecec0 802ecc30 9f83355c 807576b8 802ece2c 00000000
3e40: 9f863e74 9f863e50 802eb3d8 802ece38 9f83355c 9f8ac3b4 9f833570 807576b8
3e60: 80746e70 9fa51400 9f863e84 9f863e78 802ec838 802eb388 9f863eb4 9f863e88
3e80: 802ec3d0 802ec824 80692748 807620c0 9f863eb4 807576b8 00000006 807620c0
3ea0: 00000000 000000a9 9f863edc 9f863eb8 802ed3e8 802ec2fc 9f862000 00000006
3ec0: 807620c0 00000000 000000a9 80700350 9f863eec 9f863ee0 802ee2f8 802ed374
3ee0: 9f863efc 9f863ef0 80700364 802ee2b8 9f863f54 9f863f00 8000870c 8070035c
3f00: 9f863f54 9f863f10 9f862000 00000000 00000000 00000006 00000006 806d3aa4
3f20: 00000000 80688b18 9f863f54 80713560 00000006 80713540 807620c0 000000a9
3f40: 806d620c 8071ec24 9f863f94 9f863f58 806d6994 800086dc 00000006 00000006
3f60: 806d620c f6bfffff fb7f5df7 00000000 8052da28 00000000 00000000 00000000
3f80: 00000000 00000000 9f863fac 9f863f98 8052da38 806d689c ffffffff 00000000
3fa0: 00000000 9f863fb0 8000e5d8 8052da34 00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 d9cdf5ff 1fff5ffe
Backtrace:
[<8004f75c>] (wake_up_process+0x0/0x44) from [<803fb698>] (sdhci_irq+0x378/0x93c)
r4:9fa68000 r3:00000001
[<803fb320>] (sdhci_irq+0x0/0x93c) from [<80075154>] (handle_irq_event_percpu+0x54/0x19c)
[<80075100>] (handle_irq_event_percpu+0x0/0x19c) from [<800752ec>] (handle_irq_event+0x50/0x70)
[<8007529c>] (handle_irq_event+0x0/0x70) from [<80078324>] (handle_fasteoi_irq+0x9c/0x170)
r5:00000001 r4:9f807900
[<80078288>] (handle_fasteoi_irq+0x0/0x170) from [<80074ac0>] (generic_handle_irq+0x28/0x38)
r5:8071fd64 r4:00000036
[<80074a98>] (generic_handle_irq+0x0/0x38) from [<8000ee34>] (handle_IRQ+0x54/0xb4)
r4:8072ab78 r3:00000140
[<8000ede0>] (handle_IRQ+0x0/0xb4) from [<80008600>] (gic_handle_irq+0x30/0x64)
r8:00000036 r7:a080e100 r6:9f863cd0 r5:8072acbc r4:a080e10c
r3:00000000
[<800085d0>] (gic_handle_irq+0x0/0x64) from [<8000e0c0>] (__irq_svc+0x40/0x54)
Exception stack(0x9f863cd0 to 0x9f863d18)
3cc0: 9f807950 60000113 00000007 00000000
3ce0: 9f807900 9fa53640 9f807950 9fa68240 00000036 9f807930 60000113 9f863d24
3d00: 9f863d28 9f863d18 80076834 805386a8 60000113 ffffffff
r7:9f863d04 r6:ffffffff r5:60000113 r4:805386a8
[<8053867c>] (_raw_spin_unlock_irqrestore+0x0/0x30) from [<80076834>] (__setup_irq+0x1cc/0x414)
[<80076668>] (__setup_irq+0x0/0x414) from [<80076b38>] (request_threaded_irq+0xbc/0x140)
[<80076a7c>] (request_threaded_irq+0x0/0x140) from [<803fce8c>] (sdhci_add_host+0x690/0xb88)
[<803fc7fc>] (sdhci_add_host+0x0/0xb88) from [<803fea0c>] (sdhci_esdhc_imx_probe+0x280/0x4d4)
r8:9f81d080 r7:9f8ae600 r6:00000000 r5:9fa68240 r4:9fa51490
[<803fe78c>] (sdhci_esdhc_imx_probe+0x0/0x4d4) from [<802ee0d4>] (platform_drv_probe+0x20/0x24)
r8:807576b8 r7:00000000 r6:9f8ae610 r5:807576b8 r4:807b1ed8
[<802ee0b4>] (platform_drv_probe+0x0/0x24) from [<802ecd1c>] (driver_probe_device+0xf8/0x208)
[<802ecc24>] (driver_probe_device+0x0/0x208) from [<802ecec0>] (__driver_attach+0x94/0x98)
r8:000000a9 r7:00000000 r6:9f8ae644 r5:807576b8 r4:9f8ae610
r3:00000000
[<802ece2c>] (__driver_attach+0x0/0x98) from [<802eb3d8>] (bus_for_each_dev+0x5c/0x90)
r6:00000000 r5:802ece2c r4:807576b8 r3:9f83355c
[<802eb37c>] (bus_for_each_dev+0x0/0x90) from [<802ec838>] (driver_attach+0x20/0x28)
r6:9fa51400 r5:80746e70 r4:807576b8
[<802ec818>] (driver_attach+0x0/0x28) from [<802ec3d0>] (bus_add_driver+0xe0/0x234)
[<802ec2f0>] (bus_add_driver+0x0/0x234) from [<802ed3e8>] (driver_register+0x80/0x14c)
r8:000000a9 r7:00000000 r6:807620c0 r5:00000006 r4:807576b8
[<802ed368>] (driver_register+0x0/0x14c) from [<802ee2f8>] (platform_driver_register+0x4c/0x60)
[<802ee2ac>] (platform_driver_register+0x0/0x60) from [<80700364>] (sdhci_esdhc_imx_driver_init+0x14/0x1c)
[<80700350>] (sdhci_esdhc_imx_driver_init+0x0/0x1c) from [<8000870c>] (do_one_initcall+0x3c/0x164)
[<800086d0>] (do_one_initcall+0x0/0x164) from [<806d6994>] (kernel_init_freeable+0x104/0x1d0)
[<806d6890>] (kernel_init_freeable+0x0/0x1d0) from [<8052da38>] (kernel_init+0x10/0xec)
[<8052da28>] (kernel_init+0x0/0xec) from [<8000e5d8>] (ret_from_fork+0x14/0x3c)
r4:00000000 r3:ffffffff
Code: e89da800 e1a0c00d e92dd818 e24cb004 (e5903000)
---[ end trace e9af3588936b63f0 ]---
Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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stmp_reset_block() may fail, so let's check its return value and
propagate it in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Using devm_clk_get() allows us to remove the clk_put() calls, so
let's use it to simplify the code.
Rename the 'out_clk_put' label to 'out_clk_disable' now that clk_put
is removed.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR(). Also there is already a error message within
devm_ioremap_resource(), so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Chris Ball <cjb@laptop.org>
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'vub300_init_card' is used only in this file. Make it
static.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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'bcm2835_sdhci_get_min_clock' is used only in this file.
Make it static.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This patch fixes a compiler warning:
drivers/mmc/host/tmio_mmc_pio.c: In function 'tmio_mmc_power_on':
drivers/mmc/host/tmio_mmc_pio.c:798:19: warning: ignoring return value of
'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.11:
Core:
- Add support for eMMC 5.1 devices
- Add MMC_CAP_AGGRESSIVE_PM capability for aggressive power
management of eMMC/SD between requests, using runtime PM
- Add an ioctl to perform the eMMC 4.5 Sanitize command. Sample code
at:
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
Drivers:
- dw_mmc: Add support for Rockchip's Cortex-A9 SoCs
- dw_mmc: Add support for Altera SoCFPGAs
- sdhci-esdhc-imx: Add support for 8-bit bus width, non-removable
cards
- sdhci-bcm-kona: New driver for Broadcom Kona (281xx) SoCs
- sdhi/tmio: Add DT DMA support"
* tag 'mmc-updates-for-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (87 commits)
mmc: bcm281xx SDHCI driver
mmc: sdhci: add card_event callback to sdhci
mmc: core: Fixup Oops for SDIO shutdown
mmc: sdhci-pci: add another device id
mmc: esdhc: Fix bug when writing to SDHCI_HOST_CONTROL register
mmc: esdhc: Add support for 8-bit bus width and non-removable card
mmc: core: production year for eMMC 4.41 and later
mmc: omap: remove unnecessary #if 0's
mmc: sdhci: fix ctrl_2 on super-speed selection
mmc: dw_mmc-pltfm: add Rockchip variant
mmc: dw_mmc-pltfm: move probe and remove below dt match table
mmc: dw_mmc-pltfm: remove static from dw_mci_pltfm_remove
mmc: sdhci-acpi: add support for eMMC hardware reset for HID 80860F14
mmc: sdhci-pci: add support for eMMC hardware reset for BYT eMMC.
mmc: dw_mmc: Add support DW SD/MMC driver on SOCFPGA
mmc: sdhci: fix caps2 for HS200
sdhci-pxav3: Fix runtime PM initialization
mmc: core: Add DT-bindings for MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Invent MMC_CAP2_FULL_PWR_CYCLE
mmc: core: Enable power_off_notify for eMMC shutdown sequence
...
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Pull pwm changes from Thierry Reding:
"A new driver supports driving PWM signals using the TPU unit found on
various Renesas SoCs. Furthermore support is added for the NXP
PCA9685 LED controller. Another big chunk is the sysfs interface
which has been in the works for quite some time.
The remaining patches are a random assortment of cleanups and fixes"
* tag 'for-3.11-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: pwm-tiehrpwm: Use clk_enable/disable instead clk_prepare/unprepare.
pwm: pca9685: Fix wrong argument to set MODE1_SLEEP bit
pwm: renesas-tpu: Add MODULE_ALIAS to make module auto loading work
pwm: renesas-tpu: fix return value check in tpu_probe()
pwm: Add Renesas TPU PWM driver
pwm: Add sysfs interface
pwm: Fill in missing .owner fields
pwm: add pca9685 driver
pwm: atmel-tcb: prepare clk before calling enable
pwm: devm: alloc correct pointer size
pwm: mxs: Let device core handle pinctrl
MAINTAINERS: Update PWM subsystem entry
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Pull battery subsystem update from Anton Vorontsov:
"Nothing exciting this time, just assorted fixes and cleanups"
* tag 'for-v3.11' of git://git.infradead.org/battery-2.6: (25 commits)
charger-manager: Fix regulator_get() return check
charger-manager: Fix a bug when it unregisters notifier block of extcon
tps65090-charger: Add dt node to power_supply
sbs-battery: Add dt to power_supply struct
power_supply: Add of_node_put to fix refcount
power_supply: Move of_node out of the #ifdef CONFIG_OF
power/reset: Make the vexpress driver optional on arm and arm64
charger-manager: Add missing newlines, fix a couple of typos, add pr_fmt
tps65090-charger: Fix AC detect
MAINTAINERS: Update email address for Anton Vorontsov
charger-manager: Ensure event is not used as format string
power_supply: Replace strict_strtoul() with kstrtoul()
generic-adc-battery: Fix checking if none of the channels are supported
power: Use platform_{get,set}_drvdata()
pm2301_charger: Return error if create_singlethread_workqueue fails
pm2301_charger: Fix NULL pointer dereference
lp8727_charger: Support the device tree feature
twl4030_charger: Remove unnecessary platform_set_drvdata()
rx51_battery: Remove unnecessary platform_set_drvdata()
jz4740-battery: Remove unnecessary platform_set_drvdata()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD update from Samuel Ortiz:
"For the 3.11 merge we only have one new MFD driver for the Kontron
PLD.
But we also have:
- Support for the TPS659038 PMIC from the palmas driver.
- Intel's Coleto Creek and Avoton SoCs support from the lpc_ich
driver.
- RTL8411B support from the rtsx driver.
- More DT support for the Arizona, max8998, twl4030-power and the
ti_am335x_tsadc drivers.
- The SSBI driver move under MFD.
- A conversion to the devm_* API for most of the MFD drivers.
- The twl4030-power got split from twl-core into its own module.
- A major ti_am335x_adc cleanup, leading to a proper DT support.
- Our regular arizona and wm* updates and cleanups from the Wolfson
folks.
- A better error handling and initialization, and a regulator
subdevice addition for the 88pm80x driver.
- A bulk platform_set_drvdata() call removal that's no longer need
since commit 0998d0631001 ("device-core: Ensure drvdata = NULL when
no driver is bound")
* tag 'mfd-3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (102 commits)
mfd: sec: Provide max_register to regmap
mfd: wm8994: Remove duplicate check for active JACKDET
MAINTAINERS: Add include directory to MFD file patterns
mfd: sec: Remove fields not used since regmap conversion
watchdog: Kontron PLD watchdog timer driver
mfd: max8998: Add support for Device Tree
regulator: max8998: Use arrays for specifying voltages in platform data
mfd: max8998: Add irq domain support
regulator: palmas: Add TPS659038 support
mfd: Kontron PLD mfd driver
mfd: palmas: Add TPS659038 PMIC support
mfd: palmas: Add SMPS10_BOOST feature
mfd: palmas: Check if irq is valid
mfd: lpc_ich: iTCO_wdt patch for Intel Coleto Creek DeviceIDs
mfd: twl-core: Change TWL6025 references to TWL6032
mfd: davinci_voicecodec: Fix build breakage
mfd: vexpress: Make the driver optional for arm and arm64
mfd: htc-egpio: Use devm_ioremap_nocache() instead of ioremap_nocache()
mfd: davinci_voicecodec: Convert to use devm_* APIs
mfd: twl4030-power: Fix relocking on error
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon update from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm63) Drop redundant safety on cache lifetime
hwmon: (lm90) Drop redundant safety on cache lifetime
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Fixes for the merge window
A set of small fixes for issues noticed during the merge window, all
very much non-invasive"
* tag 'regulator-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
MAINTAINERS: Update git repository
regulator: max8997: Fix a trivial typo in documentation
regulator: s5m8767: Fix a trivial typo in documentation
regulator: s2mps11: Convert ramp rate to uV/us and set default ramp rate
regulator: s5m8767: Update s5m8767-regulator bindings document
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter:
"Make struct ieee1394_device_id.driver_data actually avaliable to 1394
protocol drivers. This is especially useful to 1394 audio drivers for
model-specific parameters and methods"
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: remove support of fw_driver.driver.probe and .remove methods
firewire: introduce fw_driver.probe and .remove methods
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Pull microblaze update from Michal Simek:
"This Microblaze merge window is quite minimal.
I have also added to my branch one xilinx systemace sparse fix because
haven't got any reply from block maintainer."
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
xilinx systemace: Fix sparse warnings
microblaze: Move __NR_syscalls from uapi
microblaze: Enable KGDB in defconfig
microblaze: Don't mark arch_kgdb_ops as const.
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"The PA-RISC updates for v3.11 include a gcc miscompilation fix,
gzip-compressed vmlinuz support, a fix in the PCI code for ATI FireGL
support on c8000 machines, a fix to prevent that %sr1 is being
clobbered and a few smaller optimizations and documentation updates"
* 'parisc-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix gcc miscompilation in pa_memcpy()
parisc: Ensure volatile space register %sr1 is not clobbered
parisc: optimize mtsp(0,sr) inline assembly
parisc: switch to gzip-compressed vmlinuz kernel
parisc: document the shadow registers
parisc: more capabilities info in /proc/cpuinfo
parisc: fix LMMIO mismatch between PAT length and MASK register
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Fix sysace sparse warnings.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Pull networking updates from David Miller:
"This is a re-do of the net-next pull request for the current merge
window. The only difference from the one I made the other day is that
this has Eliezer's interface renames and the timeout handling changes
made based upon your feedback, as well as a few bug fixes that have
trickeled in.
Highlights:
1) Low latency device polling, eliminating the cost of interrupt
handling and context switches. Allows direct polling of a network
device from socket operations, such as recvmsg() and poll().
Currently ixgbe, mlx4, and bnx2x support this feature.
Full high level description, performance numbers, and design in
commit 0a4db187a999 ("Merge branch 'll_poll'")
From Eliezer Tamir.
2) With the routing cache removed, ip_check_mc_rcu() gets exercised
more than ever before in the case where we have lots of multicast
addresses. Use a hash table instead of a simple linked list, from
Eric Dumazet.
3) Add driver for Atheros CQA98xx 802.11ac wireless devices, from
Bartosz Markowski, Janusz Dziedzic, Kalle Valo, Marek Kwaczynski,
Marek Puzyniak, Michal Kazior, and Sujith Manoharan.
4) Support reporting the TUN device persist flag to userspace, from
Pavel Emelyanov.
5) Allow controlling network device VF link state using netlink, from
Rony Efraim.
6) Support GRE tunneling in openvswitch, from Pravin B Shelar.
7) Adjust SOCK_MIN_RCVBUF and SOCK_MIN_SNDBUF for modern times, from
Daniel Borkmann and Eric Dumazet.
8) Allow controlling of TCP quickack behavior on a per-route basis,
from Cong Wang.
9) Several bug fixes and improvements to vxlan from Stephen
Hemminger, Pravin B Shelar, and Mike Rapoport. In particular,
support receiving on multiple UDP ports.
10) Major cleanups, particular in the area of debugging and cookie
lifetime handline, to the SCTP protocol code. From Daniel
Borkmann.
11) Allow packets to cross network namespaces when traversing tunnel
devices. From Nicolas Dichtel.
12) Allow monitoring netlink traffic via AF_PACKET sockets, in a
manner akin to how we monitor real network traffic via ptype_all.
From Daniel Borkmann.
13) Several bug fixes and improvements for the new alx device driver,
from Johannes Berg.
14) Fix scalability issues in the netem packet scheduler's time queue,
by using an rbtree. From Eric Dumazet.
15) Several bug fixes in TCP loss recovery handling, from Yuchung
Cheng.
16) Add support for GSO segmentation of MPLS packets, from Simon
Horman.
17) Make network notifiers have a real data type for the opaque
pointer that's passed into them. Use this to properly handle
network device flag changes in arp_netdev_event(). From Jiri
Pirko and Timo Teräs.
18) Convert several drivers over to module_pci_driver(), from Peter
Huewe.
19) tcp_fixup_rcvbuf() can loop 500 times over loopback, just use a
O(1) calculation instead. From Eric Dumazet.
20) Support setting of explicit tunnel peer addresses in ipv6, just
like ipv4. From Nicolas Dichtel.
21) Protect x86 BPF JIT against spraying attacks, from Eric Dumazet.
22) Prevent a single high rate flow from overruning an individual cpu
during RX packet processing via selective flow shedding. From
Willem de Bruijn.
23) Don't use spinlocks in TCP md5 signing fast paths, from Eric
Dumazet.
24) Don't just drop GSO packets which are above the TBF scheduler's
burst limit, chop them up so they are in-bounds instead. Also
from Eric Dumazet.
25) VLAN offloads are missed when configured on top of a bridge, fix
from Vlad Yasevich.
26) Support IPV6 in ping sockets. From Lorenzo Colitti.
27) Receive flow steering targets should be updated at poll() time
too, from David Majnemer.
28) Fix several corner case regressions in PMTU/redirect handling due
to the routing cache removal, from Timo Teräs.
29) We have to be mindful of ipv4 mapped ipv6 sockets in
upd_v6_push_pending_frames(). From Hannes Frederic Sowa.
30) Fix L2TP sequence number handling bugs, from James Chapman."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1214 commits)
drivers/net: caif: fix wrong rtnl_is_locked() usage
drivers/net: enic: release rtnl_lock on error-path
vhost-net: fix use-after-free in vhost_net_flush
net: mv643xx_eth: do not use port number as platform device id
net: sctp: confirm route during forward progress
virtio_net: fix race in RX VQ processing
virtio: support unlocked queue poll
net/cadence/macb: fix bug/typo in extracting gem_irq_read_clear bit
Documentation: Fix references to defunct linux-net@vger.kernel.org
net/fs: change busy poll time accounting
net: rename low latency sockets functions to busy poll
bridge: fix some kernel warning in multicast timer
sfc: Fix memory leak when discarding scattered packets
sit: fix tunnel update via netlink
dt:net:stmmac: Add dt specific phy reset callback support.
dt:net:stmmac: Add support to dwmac version 3.610 and 3.710
dt:net:stmmac: Allocate platform data only if its NULL.
net:stmmac: fix memleak in the open method
ipv6: rt6_check_neigh should successfully verify neigh if no NUD information are available
net: ipv6: fix wrong ping_v6_sendmsg return value
...
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Pull drm updates from Dave Airlie:
"Okay this is the big one, I was stalled on the fbdev pull req as I
stupidly let fbdev guys merge a patch I required to fix a warning with
some patches I had, they ended up merging the patch from the wrong
place, but the warning should be fixed. In future I'll just take the
patch myself!
Outside drm:
There are some snd changes for the HDMI audio interactions on haswell,
they've been acked for inclusion via my tree. This relies on the
wound/wait tree from Ingo which is already merged.
Major changes:
AMD finally released the dynamic power management code for all their
GPUs from r600->present day, this is great, off by default for now but
also a huge amount of code, in fact it is most of this pull request.
Since it landed there has been a lot of community testing and Alex has
sent a lot of fixes for any bugs found so far. I suspect radeon might
now be the biggest kernel driver ever :-P p.s. radeon.dpm=1 to enable
dynamic powermanagement for anyone.
New drivers:
Renesas r-car display unit.
Other highlights:
- core: GEM CMA prime support, use new w/w mutexs for TTM
reservations, cursor hotspot, doc updates
- dvo chips: chrontel 7010B support
- i915: Haswell (fbc, ips, vecs, watermarks, audio powerwell),
Valleyview (enabled by default, rc6), lots of pll reworking, 30bpp
support (this time for sure)
- nouveau: async buffer object deletion, context/register init
updates, kernel vp2 engine support, GF117 support, GK110 accel
support (with external nvidia ucode), context cleanups.
- exynos: memory leak fixes, Add S3C64XX SoC series support, device
tree updates, common clock framework support,
- qxl: cursor hotspot support, multi-monitor support, suspend/resume
support
- mgag200: hw cursor support, g200 mode limiting
- shmobile: prime support
- tegra: fixes mostly
I've been banging on this quite a lot due to the size of it, and it
seems to okay on everything I've tested it on."
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (811 commits)
drm/radeon/dpm: implement vblank_too_short callback for si
drm/radeon/dpm: implement vblank_too_short callback for cayman
drm/radeon/dpm: implement vblank_too_short callback for btc
drm/radeon/dpm: implement vblank_too_short callback for evergreen
drm/radeon/dpm: implement vblank_too_short callback for 7xx
drm/radeon/dpm: add checks against vblank time
drm/radeon/dpm: add helper to calculate vblank time
drm/radeon: remove stray line in old pm code
drm/radeon/dpm: fix display_gap programming on rv7xx
drm/nvc0/gr: fix gpc firmware regression
drm/nouveau: fix minor thinko causing bo moves to not be async on kepler
drm/radeon/dpm: implement force performance level for TN
drm/radeon/dpm: implement force performance level for ON/LN
drm/radeon/dpm: implement force performance level for SI
drm/radeon/dpm: implement force performance level for cayman
drm/radeon/dpm: implement force performance levels for 7xx/eg/btc
drm/radeon/dpm: add infrastructure to force performance levels
drm/radeon: fix surface setup on r1xx
drm/radeon: add support for 3d perf states on older asics
drm/radeon: set default clocks for SI when DPM is disabled
...
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git://git.kernel.org/pub/scm/linux/kernel/git/plagnioj/linux-fbdev
Pull fbdev update from Jean-Christophe PLAGNIOL-VILLARD:
"Various fbdev changes for 3.11
- xilinxfb updates
- Small cleanups and fixes to multiple drivers
- OMAP display subsystem bug updates
- imxfb dt support"
* tag 'fbdev-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/plagnioj/linux-fbdev: (95 commits)
video: imxfb: Add DT support
video: i740fb: Make i740fb_init static
fb: make fp_get_options name argument const
video: mmp: fix graphics/video layer enable/mask swap issue
video: mmp: fix memcpy wrong size for mmp_addr issue
radeon: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)
aty128fb: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)
video: of_display_timing.h: Declare 'display_timing'
fbdev: bfin-lq035q1-fb: Use dev_pm_ops
fbmem: return -EFAULT on copy_to_user() failure
OMAPDSS: DPI: Fix wrong pixel clock limit
video: replace strict_strtoul() with kstrtoul()
uvesafb: Correct/simplify warning message
fb: fix atyfb unused data warnings
fb: fix atyfb build warning
video: imxfb: Make local symbols static
video: udlfb: Make local symbol static
video: udlfb: Use NULL instead of 0
video: smscufx: Use NULL instead of 0
video: remove unnecessary platform_set_drvdata()
...
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Merge second patch-bomb from Andrew Morton:
- misc fixes
- audit stuff
- fanotify/inotify/dnotify things
- most of the rest of MM. The new cache shrinker code from Glauber and
Dave Chinner probably isn't quite stabilized yet.
- ptrace
- ipc
- partitions
- reboot cleanups
- add LZ4 decompressor, use it for kernel compression
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
lib/scatterlist: error handling in __sg_alloc_table()
scsi_debug: fix do_device_access() with wrap around range
crypto: talitos: use sg_pcopy_to_buffer()
lib/scatterlist: introduce sg_pcopy_from_buffer() and sg_pcopy_to_buffer()
lib/scatterlist: factor out sg_miter_get_next_page() from sg_miter_next()
crypto: add lz4 Cryptographic API
lib: add lz4 compressor module
arm: add support for LZ4-compressed kernel
lib: add support for LZ4-compressed kernel
decompressor: add LZ4 decompressor module
lib: add weak clz/ctz functions
reboot: move arch/x86 reboot= handling to generic kernel
reboot: arm: change reboot_mode to use enum reboot_mode
reboot: arm: prepare reboot_mode for moving to generic kernel code
reboot: arm: remove unused restart_mode fields from some arm subarchs
reboot: unicore32: prepare reboot_mode for moving to generic kernel code
reboot: x86: prepare reboot_mode for moving to generic kernel code
reboot: checkpatch.pl the new kernel/reboot.c file
reboot: move shutdown/reboot related functions to kernel/reboot.c
reboot: remove -stable friendly PF_THREAD_BOUND define
...
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The LMMIO length reported by PAT and the length given by the LBA MASK
register are not consistent. This leads e.g. to a not-working ATI FireGL
card with the radeon DRM driver since the memory can't be mapped.
Fix this by correctly adjusting the resource sizes.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 3.10
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rtnl_is_locked() doesn't check who holds this lock, it just tells that it's
locked right now. if caif::ldisc_close really can be called under rtrnl_lock
then it should release net device in other context because there is no way
to grab rtnl_lock without deadlock.
This patch adds work which releases these devices. Also this patch fixes calling
dev_close/unregister_netdevice without rtnl_lock from caif_ser_exit().
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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enic_change_mtu_work() must call rtnl_unlock() on all exiting paths.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Christian Benvenuti <benve@cisco.com>
Cc: Roopa Prabhu <roprabhu@cisco.com>
Cc: Neel Patel <neepatel@cisco.com>
Cc: Nishank Trivedi <nistrive@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vhost_net_ubuf_put_and_wait has a confusing name:
it will actually also free it's argument.
Thus since commit 1280c27f8e29acf4af2da914e80ec27c3dbd5c01
"vhost-net: flush outstanding DMAs on memory change"
vhost_net_flush tries to use the argument after passing it
to vhost_net_ubuf_put_and_wait, this results
in use after free.
To fix, don't free the argument in vhost_net_ubuf_put_and_wait,
add an new API for callers that want to free ubufs.
Acked-by: Asias He <asias@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The port number is only local to the ethernet block, not global, so
there can be two ethernet blocks both using the same port, like
kirkwood with both using port 0.
Fix this by using the array index offset for the allocated platform
devices as the id.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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virtio net called virtqueue_enable_cq on RX path after napi_complete, so
with NAPI_STATE_SCHED clear - outside the implicit napi lock.
This violates the requirement to synchronize virtqueue_enable_cq wrt
virtqueue_add_buf. In particular, used event can move backwards,
causing us to lose interrupts.
In a debug build, this can trigger panic within START_USE.
Jason Wang reports that he can trigger the races artificially,
by adding udelay() in virtqueue_enable_cb() after virtio_mb().
However, we must call napi_complete to clear NAPI_STATE_SCHED before
polling the virtqueue for used buffers, otherwise napi_schedule_prep in
a callback will fail, causing us to lose RX events.
To fix, call virtqueue_enable_cb_prepare with NAPI_STATE_SCHED
set (under napi lock), later call virtqueue_poll with
NAPI_STATE_SCHED clear (outside the lock).
Reported-by: Jason Wang <jasowang@redhat.com>
Tested-by: Jason Wang <jasowang@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds a way to check ring empty state after enable_cb outside any
locks. Will be used by virtio_net.
Note: there's room for more optimization: caller is likely to have a
memory barrier already, which means we might be able to get rid of a
barrier here. Deferring this optimization until we do some
benchmarking.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jongsung Kim <neidhard.kim@lge.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph updates from Sage Weil:
"There is some follow-on RBD cleanup after the last window's code drop,
a series from Yan fixing multi-mds behavior in cephfs, and then a
sprinkling of bug fixes all around. Some warnings, sleeping while
atomic, a null dereference, and cleanups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (36 commits)
libceph: fix invalid unsigned->signed conversion for timespec encoding
libceph: call r_unsafe_callback when unsafe reply is received
ceph: fix race between cap issue and revoke
ceph: fix cap revoke race
ceph: fix pending vmtruncate race
ceph: avoid accessing invalid memory
libceph: Fix NULL pointer dereference in auth client code
ceph: Reconstruct the func ceph_reserve_caps.
ceph: Free mdsc if alloc mdsc->mdsmap failed.
ceph: remove sb_start/end_write in ceph_aio_write.
ceph: avoid meaningless calling ceph_caps_revoking if sync_mode == WB_SYNC_ALL.
ceph: fix sleeping function called from invalid context.
ceph: move inode to proper flushing list when auth MDS changes
rbd: fix a couple warnings
ceph: clear migrate seq when MDS restarts
ceph: check migrate seq before changing auth cap
ceph: fix race between page writeback and truncate
ceph: reset iov_len when discarding cap release messages
ceph: fix cap release race
libceph: fix truncate size calculation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull third set of VFS updates from Al Viro:
"Misc stuff all over the place. There will be one more pile in a
couple of days"
This is an "evil merge" that also uses the new d_count helper in
fs/configfs/dir.c, missed by commit 84d08fa888e7 ("helper for reading
->d_count")
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ncpfs: fix error return code in ncp_parse_options()
locks: move file_lock_list to a set of percpu hlist_heads and convert file_lock_lock to an lglock
seq_file: add seq_list_*_percpu helpers
f2fs: fix readdir incorrectness
mode_t whack-a-mole...
lustre: kill the pointless wrapper
helper for reading ->d_count
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do_device_access() is a function that abstracts copying SG list from/to
ramdisk storage (fake_storep).
It must deal with the ranges exceeding actual fake_storep size, because
such ranges are valid if virtual_gb is set greater than zero, and they
should be treated as fake_storep is repeatedly mirrored up to virtual
size.
Unfortunately, it can't deal with the range which wraps around the end of
fake_storep. A wrap around range is copied by two
sg_copy_{from,to}_buffer() calls, but sg_copy_{from,to}_buffer() can't
copy from/to in the middle of SG list, therefore the second call can't
copy correctly.
This fixes it by using sg_pcopy_{from,to}_buffer() that can copy from/to
the middle of SG list.
This also simplifies the assignment of sdb->resid in
fill_from_dev_buffer(). Because fill_from_dev_buffer() is now only called
once per command execution cycle. So it is not necessary to take care to
decrease sdb->resid if fill_from_dev_buffer() is called more than once.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Horia Geanta <horia.geanta@freescale.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use sg_pcopy_to_buffer() which is better than the function previously used.
Because it doesn't do kmap/kunmap for skipped pages.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Horia Geanta <horia.geanta@freescale.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Preparing to move the parsing of reboot= to generic kernel code forces
the change in reboot_mode handling to use the enum.
[akpm@linux-foundation.org: fix arch/arm/mach-socfpga/socfpga.c]
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Smatch complains that on 64 bit systems, there is a hole in the
MW_ABILITIES struct between ->component_count and ->component_list[].
It leaks stack information from the mwave_ioctl() function.
I've added a memset() to initialize the struct to zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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stmp_reset_block() may fail, so let's check its return value and
propagate it in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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