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2012-09-04mmc: omap_hsmmc: Move to Maintained state in MAINTAINERSVenkatraman S
I can continue to look after this driver. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap_hsmmc: consolidate error report handling of HSMMC IRQVenkatraman S
Consolidate the duplicated code around the handling of CMD_TIMEOUT, CMD_CRC, DATA_TIMEOUT, DATA_CRC and CARD_ERR handling into a single function. This generally shrinks code bloat, but is also required for implementing software based guard timers. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap_hsmmc: consolidate flush posted writes for HSMMC IRQsVenkatraman S
Flushing spurious IRQs from HSMMC IP is done twice in omap_hsmmc_irq and omap_hsmmc_do_irq. Consolidate them to one location. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap_hsmmc: remove access to SYSCONFIG registerVenkatraman S
SYSCONFIG register of HSMMC IP is managed by the omap hwmod abstraction layer. Resetting the IP and configuring the correct SYSCONFIG mode is centrally managed by hwmod. Remove code which manipulates IP reset and SYSCONFIG directly in the driver. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap_hsmmc: remove unused vars and includesVenkatraman S
Some straight forward cleanup of unnecessary #include's and host variables. Some of the verbose and redundant debug messages are converted to use dev_vdbg. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap: fix mmc_omap_report_irq to use dev_dbg macrosVenkatraman S
The function mmc_omap_report_irq uses raw printks and the actual output was disabled by a static variable. Make the function use dev_vdbg macro and use it under the standard CONFIG_MMC_DEBUG flag. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap: remove unused variables and includesVenkatraman S
Get rid of some unnecessary includes in the driver and a few unused variables. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: debugfs: Print ext_csd in ascending orderVenkatraman S
ext_csd exported through debugfs is printed in reverse order (from byte 511 to 0), which causes confusion. Fix the for loop to print ext_csd in natural order. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: core: Add TRANsfer state to non-HPI stateVenkatraman S
HPI can be issued only in programming state to bring the card to transfer state. If the card is already in transfer state, doing a HPI is redundant. Fix this by adding transfer state to the list of exceptions to doing HPI and return without error. Signed-off-by: Venkatraman S <svenkatr@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: Reset SD controller when resume from power saving mode.Sonic Zhang
Without reset, SD controller may stay in disable mode, SD card can't be detected when resume from power saving mode. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: Remove redundant suspend and resume setting.Sonic Zhang
mmc core suspend and resume functions had already called sdh_set_ios with proper flags. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: Add support for new RSI controller in bf60xSonic Zhang
In BF60x RSI controller: 1) MMR read/write width differs. 2) PWR and CTL MMRs are merged to together. 3) ROD and PD_DAT3 bit masks are obsolete. 4) New RSI block size MMR is defined. 5) The definition of DMA descriptor set size is changed. 6) set_ios should powers up controller in 2 steps. In addition, this patch cleans up the spin locks. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: limit mmc DMA segment len to 1 for bf518.Sonic Zhang
bf518 RSI dma doesn't work in array mode. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: Update blackfin sd driver email in MAINTAINERS.Sonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap_hsmmc: Handle failure of regulator_get better.NeilBrown
1/ If regulator_get fails, return an error. This is important if it failed with EPROBE_DEFER, as the probe needs to be deferred. 2/ Don't set .set_power until the regulator has been found, or the deferred probe will not bother calling omap_hsmmc_reg_get(). Signed-off-by: NeilBrown <neilb@suse.de> Acked-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: vub300: add missing usb_free_urbJulia Lawall
Add missing usb_free_urb on failure path after usb_alloc_urb. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @km exists@ local idexpression e; expression e1,e2,e3; type T,T1; identifier f; @@ * e = usb_alloc_urb(...) ... when any when != e = e1 when != e1 = (T)e when != e1(...,(T)e,...) when != &e->f if(...) { ... when != e2(...,(T1)e,...) when != e3 = e when forall ( return <+...e...+>; | * return ...; ) } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: sdhci-dove: DT support for sdhci-doveSebastian Hesselbarth
This patch adds device tree support and binding documentation for sdhci-dove. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: sdhci-pxav2, sdhci-pxav3: use clk_prepare/unprepare APIsChao Xie
Prepare the clock before enabling it. Signed-off-by: Chao Xie <xiechao.mail@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: atmel-mci: add device tree supportLudovic Desroches
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: sdhci: vmmc regulator should be explicitly enabled/disabledPhilip Rakity
The vmmc regulator should not rely on the platform code to enable it. Expliciitly enable and disable the regulator inside the driver. Signed-off-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: sdhci: Add regulator support for vccq (voltage regualor)Philip Rakity
On some systems the host controller does not support vccq signaling. This is supplied by a dedicated regulator (vqmmc). Add support for this regulator. Signed-off-by: Philip Rakity <prakity@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: eSDHC: Add ADMA mode supportJerry Huang
The register of eSDHC Host Controller Capabilities is not compatible with standard SDHC register, and eSDHC cannot support End Attribute in NOP ADMA descriptor. With this patch eSDHC can works in ADMA mode and performance can be improved. Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com> Signed-off-by: Pan Jiafei <Jiafei.Pan@freescale.com> Signed-off-by: Jason Jin <Jason.jin@freescale.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: pxa-mci: add DT bindingsDaniel Mack
Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: omap: fix broken PIO modePaul Walmsley
After commit 26b88520b80695a6fa5fd95b5d97c03f4daf87e0 ("mmc: omap_hsmmc: remove private DMA API implementation"), the Nokia N800 here stopped booting: [ 2.086181] Waiting for root device /dev/mmcblk0p1... [ 2.324066] Unhandled fault: imprecise external abort (0x406) at 0x00000000 [ 2.331451] Internal error: : 406 [#1] ARM [ 2.335784] Modules linked in: [ 2.339050] CPU: 0 Not tainted (3.6.0-rc3 #60) [ 2.344146] PC is at default_idle+0x28/0x30 [ 2.348602] LR is at trace_hardirqs_on_caller+0x15c/0x1b0 ... This turned out to be due to memory corruption caused by long-broken PIO code in drivers/mmc/host/omap.c. (Previously, this driver had been using DMA; but the above commit caused the MMC driver to fall back to PIO mode with an unmodified Kconfig.) The PIO code, added with the rest of the driver in commit 730c9b7e6630f786fcec026fb11d2e6f2c90fdcb ("[MMC] Add OMAP MMC host driver"), confused bytes with 16-bit words. This bug caused memory located after the PIO transfer buffer to be corrupted with transfers larger than 32 bytes. The driver also did not increment the buffer pointer after the transfer occurred. This bug resulted in data corruption during any transfer larger than 64 bytes. Signed-off-by: Paul Walmsley <paul@pwsan.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: card: Skip secure erase on MoviNAND; causes unrecoverable corruption.Ian Chen
For several MoviNAND eMMC parts, there are known issues with secure erase and secure trim. For these specific MoviNAND devices, we skip these operations. Specifically, there is a bug in the eMMC firmware that causes unrecoverable corruption when the MMC is erased with MMC_CAP_ERASE enabled. References: http://forum.xda-developers.com/showthread.php?t=1644364 https://plus.google.com/111398485184813224730/posts/21pTYfTsCkB#111398485184813224730/posts/21pTYfTsCkB Signed-off-by: Ian Chen <ian.cy.chen@samsung.com> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: stable <stable@vger.kernel.org> [3.0+] Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: dw_mmc: Disable low power mode if SDIO interrupts are usedDoug Anderson
The documentation for the dw_mmc part says that the low power mode should normally only be set for MMC and SD memory and should be turned off for SDIO cards that need interrupts detected. The best place I could find to do this is when the SDIO interrupt was first enabled. I rely on the fact that dw_mci_setup_bus() will be called when it's time to reenable. Signed-off-by: Doug Anderson <dianders@chromium.org> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: dw_mmc: fix error handling in PIO modeSeungwon Jeon
Data transfer will be continued until all the bytes are transmitted, even if data crc error occurs during a multiple-block data transfer. This means RXDR/TXDR interrupts will occurs until data transfer is terminated. Early setting of host->sg to NULL prevents going into xxx_data_pio functions, hence permanent unhandled RXDR/TXDR interrupts occurs. And checking error interrupt status in the xxx_data_pio functions is no need because dw_mci_interrupt does do the same. This patch also removes it. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: dw_mmc: correct mishandling error interruptSeungwon Jeon
Datasheet of SYNOPSYS mentions that DTO(Data Transfer Over) interrupt will be raised even if some error interrupts, however it is actually found that DTO does not occur. SYNOPSYS has confirmed this issue. Current implementation defers the call of tasklet_schedule until DTO when the error interrupts is happened. This patch fixes error handling. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: dw_mmc: amend using error interrupt statusSeungwon Jeon
RINTSTS status includes masked interrupts as well as unmasked. data_status and cmd_status are set by value of RINTSTS in interrupt handler and tasklet finally uses it to decide whether error is happened or not. In addition, MINTSTS status is used for setting data_status in PIO. Masked error interrupt will not be handled and that status can be considered non-error case. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed By: Girish K S <girish.shivananjappa@linaro.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: atmel-mci: not busy flag has also to be used for read operationsLudovic Desroches
Even if the datasheet says that the not busy flag has to be used only for write operations, it's false except for version lesser than v2xx. Not waiting on the not busy flag for read operations can cause the controller to hang-up during the initialization of some SD cards with DMA after the first CMD6 -- the next command is sent too early. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Cc: stable <stable@vger.kernel.org> [3.5, 3.6] Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: sdhci-esdhc: break out early if clock is 0Shawn Guo
Since commit 30832ab56 ("mmc: sdhci: Always pass clock request value zero to set_clock host op") was merged, esdhc_set_clock starts hitting "if (clock == 0)" where ESDHC_SYSTEM_CONTROL has been operated. This causes SDHCI card-detection function being broken. Fix the regression by moving "if (clock == 0)" above ESDHC_SYSTEM_CONTROL operation. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: mxs-mmc: fix deadlock caused by recursion loopLauri Hintsala
Release the lock before mmc_signal_sdio_irq is called by mxs_mmc_enable_sdio_irq. Backtrace: [ 65.470000] ============================================= [ 65.470000] [ INFO: possible recursive locking detected ] [ 65.470000] 3.5.0-rc5 #2 Not tainted [ 65.470000] --------------------------------------------- [ 65.470000] ksdioirqd/mmc0/73 is trying to acquire lock: [ 65.470000] (&(&host->lock)->rlock#2){-.-...}, at: [<bf054120>] mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc] [ 65.470000] [ 65.470000] but task is already holding lock: [ 65.470000] (&(&host->lock)->rlock#2){-.-...}, at: [<bf054120>] mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc] [ 65.470000] [ 65.470000] other info that might help us debug this: [ 65.470000] Possible unsafe locking scenario: [ 65.470000] [ 65.470000] CPU0 [ 65.470000] ---- [ 65.470000] lock(&(&host->lock)->rlock#2); [ 65.470000] lock(&(&host->lock)->rlock#2); [ 65.470000] [ 65.470000] *** DEADLOCK *** [ 65.470000] [ 65.470000] May be due to missing lock nesting notation [ 65.470000] [ 65.470000] 1 lock held by ksdioirqd/mmc0/73: [ 65.470000] #0: (&(&host->lock)->rlock#2){-.-...}, at: [<bf054120>] mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc] [ 65.470000] [ 65.470000] stack backtrace: [ 65.470000] [<c0014990>] (unwind_backtrace+0x0/0xf4) from [<c005ccb8>] (__lock_acquire+0x14f8/0x1b98) [ 65.470000] [<c005ccb8>] (__lock_acquire+0x14f8/0x1b98) from [<c005d3f8>] (lock_acquire+0xa0/0x108) [ 65.470000] [<c005d3f8>] (lock_acquire+0xa0/0x108) from [<c02f671c>] (_raw_spin_lock_irqsave+0x48/0x5c) [ 65.470000] [<c02f671c>] (_raw_spin_lock_irqsave+0x48/0x5c) from [<bf054120>] (mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc]) [ 65.470000] [<bf054120>] (mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc]) from [<bf0541d0>] (mxs_mmc_enable_sdio_irq+0xc8/0xdc [mxs_mmc]) [ 65.470000] [<bf0541d0>] (mxs_mmc_enable_sdio_irq+0xc8/0xdc [mxs_mmc]) from [<c0219b38>] (sdio_irq_thread+0x1bc/0x274) [ 65.470000] [<c0219b38>] (sdio_irq_thread+0x1bc/0x274) from [<c003c324>] (kthread+0x8c/0x98) [ 65.470000] [<c003c324>] (kthread+0x8c/0x98) from [<c00101ac>] (kernel_thread_exit+0x0/0x8) [ 65.470000] BUG: spinlock lockup suspected on CPU#0, ksdioirqd/mmc0/73 [ 65.470000] lock: 0xc3358724, .magic: dead4ead, .owner: ksdioirqd/mmc0/73, .owner_cpu: 0 [ 65.470000] [<c0014990>] (unwind_backtrace+0x0/0xf4) from [<c01b46b0>] (do_raw_spin_lock+0x100/0x144) [ 65.470000] [<c01b46b0>] (do_raw_spin_lock+0x100/0x144) from [<c02f6724>] (_raw_spin_lock_irqsave+0x50/0x5c) [ 65.470000] [<c02f6724>] (_raw_spin_lock_irqsave+0x50/0x5c) from [<bf054120>] (mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc]) [ 65.470000] [<bf054120>] (mxs_mmc_enable_sdio_irq+0x18/0xdc [mxs_mmc]) from [<bf0541d0>] (mxs_mmc_enable_sdio_irq+0xc8/0xdc [mxs_mmc]) [ 65.470000] [<bf0541d0>] (mxs_mmc_enable_sdio_irq+0xc8/0xdc [mxs_mmc]) from [<c0219b38>] (sdio_irq_thread+0x1bc/0x274) [ 65.470000] [<c0219b38>] (sdio_irq_thread+0x1bc/0x274) from [<c003c324>] (kthread+0x8c/0x98) [ 65.470000] [<c003c324>] (kthread+0x8c/0x98) from [<c00101ac>] (kernel_thread_exit+0x0/0x8) Reported-by: Attila Kinali <attila@kinali.ch> Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: mxs-mmc: fix deadlock in SDIO IRQ caseLauri Hintsala
Release the lock before mmc_signal_sdio_irq is called by mxs_mmc_irq_handler. Backtrace: [ 79.660000] ============================================= [ 79.660000] [ INFO: possible recursive locking detected ] [ 79.660000] 3.4.0-00009-g3e96082-dirty #11 Not tainted [ 79.660000] --------------------------------------------- [ 79.660000] swapper/0 is trying to acquire lock: [ 79.660000] (&(&host->lock)->rlock#2){-.....}, at: [<c026ea3c>] mxs_mmc_enable_sdio_irq+0x18/0xd4 [ 79.660000] [ 79.660000] but task is already holding lock: [ 79.660000] (&(&host->lock)->rlock#2){-.....}, at: [<c026f744>] mxs_mmc_irq_handler+0x1c/0xe8 [ 79.660000] [ 79.660000] other info that might help us debug this: [ 79.660000] Possible unsafe locking scenario: [ 79.660000] [ 79.660000] CPU0 [ 79.660000] ---- [ 79.660000] lock(&(&host->lock)->rlock#2); [ 79.660000] lock(&(&host->lock)->rlock#2); [ 79.660000] [ 79.660000] *** DEADLOCK *** [ 79.660000] [ 79.660000] May be due to missing lock nesting notation [ 79.660000] [ 79.660000] 1 lock held by swapper/0: [ 79.660000] #0: (&(&host->lock)->rlock#2){-.....}, at: [<c026f744>] mxs_mmc_irq_handler+0x1c/0xe8 [ 79.660000] [ 79.660000] stack backtrace: [ 79.660000] [<c0014bd0>] (unwind_backtrace+0x0/0xf4) from [<c005f9c0>] (__lock_acquire+0x1948/0x1d48) [ 79.660000] [<c005f9c0>] (__lock_acquire+0x1948/0x1d48) from [<c005fea0>] (lock_acquire+0xe0/0xf8) [ 79.660000] [<c005fea0>] (lock_acquire+0xe0/0xf8) from [<c03a8460>] (_raw_spin_lock_irqsave+0x44/0x58) [ 79.660000] [<c03a8460>] (_raw_spin_lock_irqsave+0x44/0x58) from [<c026ea3c>] (mxs_mmc_enable_sdio_irq+0x18/0xd4) [ 79.660000] [<c026ea3c>] (mxs_mmc_enable_sdio_irq+0x18/0xd4) from [<c026f7fc>] (mxs_mmc_irq_handler+0xd4/0xe8) [ 79.660000] [<c026f7fc>] (mxs_mmc_irq_handler+0xd4/0xe8) from [<c006bdd8>] (handle_irq_event_percpu+0x70/0x254) [ 79.660000] [<c006bdd8>] (handle_irq_event_percpu+0x70/0x254) from [<c006bff8>] (handle_irq_event+0x3c/0x5c) [ 79.660000] [<c006bff8>] (handle_irq_event+0x3c/0x5c) from [<c006e6d0>] (handle_level_irq+0x90/0x110) [ 79.660000] [<c006e6d0>] (handle_level_irq+0x90/0x110) from [<c006b930>] (generic_handle_irq+0x38/0x50) [ 79.660000] [<c006b930>] (generic_handle_irq+0x38/0x50) from [<c00102fc>] (handle_IRQ+0x30/0x84) [ 79.660000] [<c00102fc>] (handle_IRQ+0x30/0x84) from [<c000f058>] (__irq_svc+0x38/0x60) [ 79.660000] [<c000f058>] (__irq_svc+0x38/0x60) from [<c0010520>] (default_idle+0x2c/0x40) [ 79.660000] [<c0010520>] (default_idle+0x2c/0x40) from [<c0010a90>] (cpu_idle+0x64/0xcc) [ 79.660000] [<c0010a90>] (cpu_idle+0x64/0xcc) from [<c04ff858>] (start_kernel+0x244/0x2c8) [ 79.660000] BUG: spinlock lockup on CPU#0, swapper/0 [ 79.660000] lock: c398cb2c, .magic: dead4ead, .owner: swapper/0, .owner_cpu: 0 [ 79.660000] [<c0014bd0>] (unwind_backtrace+0x0/0xf4) from [<c01ddb1c>] (do_raw_spin_lock+0xf0/0x144) [ 79.660000] [<c01ddb1c>] (do_raw_spin_lock+0xf0/0x144) from [<c03a8468>] (_raw_spin_lock_irqsave+0x4c/0x58) [ 79.660000] [<c03a8468>] (_raw_spin_lock_irqsave+0x4c/0x58) from [<c026ea3c>] (mxs_mmc_enable_sdio_irq+0x18/0xd4) [ 79.660000] [<c026ea3c>] (mxs_mmc_enable_sdio_irq+0x18/0xd4) from [<c026f7fc>] (mxs_mmc_irq_handler+0xd4/0xe8) [ 79.660000] [<c026f7fc>] (mxs_mmc_irq_handler+0xd4/0xe8) from [<c006bdd8>] (handle_irq_event_percpu+0x70/0x254) [ 79.660000] [<c006bdd8>] (handle_irq_event_percpu+0x70/0x254) from [<c006bff8>] (handle_irq_event+0x3c/0x5c) [ 79.660000] [<c006bff8>] (handle_irq_event+0x3c/0x5c) from [<c006e6d0>] (handle_level_irq+0x90/0x110) [ 79.660000] [<c006e6d0>] (handle_level_irq+0x90/0x110) from [<c006b930>] (generic_handle_irq+0x38/0x50) [ 79.660000] [<c006b930>] (generic_handle_irq+0x38/0x50) from [<c00102fc>] (handle_IRQ+0x30/0x84) [ 79.660000] [<c00102fc>] (handle_IRQ+0x30/0x84) from [<c000f058>] (__irq_svc+0x38/0x60) [ 79.660000] [<c000f058>] (__irq_svc+0x38/0x60) from [<c0010520>] (default_idle+0x2c/0x40) [ 79.660000] [<c0010520>] (default_idle+0x2c/0x40) from [<c0010a90>] (cpu_idle+0x64/0xcc) [ 79.660000] [<c0010a90>] (cpu_idle+0x64/0xcc) from [<c04ff858>] (start_kernel+0x244/0x2c8) Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-09-04mmc: bfin_sdh: fix dma_desc_array build errorSonic Zhang
Descriptor array structure has been moved into blackfin dma.h head file. This patch fix below error: drivers/mmc/host/bfin_sdh.c:52:8: error: redefinition of 'struct dma_desc_array' make[4]: *** [drivers/mmc/host/bfin_sdh.o] Error 1 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2012-08-02Linux 3.6-rc1Linus Torvalds
2012-08-02Merge branch 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpcLinus Torvalds
Pull OLPC platform updates from Andres Salomon: "These move the OLPC Embedded Controller driver out of arch/x86/platform and into drivers/platform/olpc. OLPC machines are now ARM-based (which means lots of x86 and ARM changes), but are typically pretty self-contained.. so it makes more sense to go through a separate OLPC tree after getting the appropriate review/ACKs." * 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc: x86: OLPC: move s/r-related EC cmds to EC driver Platform: OLPC: move global variables into priv struct Platform: OLPC: move debugfs support from x86 EC driver x86: OLPC: switch over to using new EC driver on x86 Platform: OLPC: add a suspended flag to the EC driver Platform: OLPC: turn EC driver into a platform_driver Platform: OLPC: allow EC cmd to be overridden, and create a workqueue to call it drivers: OLPC: update various drivers to include olpc-ec.h Platform: OLPC: add a stub to drivers/platform/ for the OLPC EC driver
2012-08-02Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds
Pull arm-soc Marvell Orion device-tree updates from Olof Johansson: "This contains a set of device-tree conversions for Marvell Orion platforms that were staged early but took a few tries to get the branch into a format where it was suitable for us to pick up. Given that most people working on these platforms are hobbyists with limited time, we were a bit more flexible with merging it even though it came in late." * tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits) ARM: Kirkwood: Replace mrvl with marvell ARM: Kirkwood: Describe GoFlex Net LEDs and SATA in DT. ARM: Kirkwood: Describe Dreamplug LEDs in DT. ARM: Kirkwood: Describe iConnects LEDs in DT. ARM: Kirkwood: Describe iConnects temperature sensor in DT. ARM: Kirkwood: Describe IB62x0 LEDs in DT. ARM: Kirkwood: Describe IB62x0 gpio-keys in DT. ARM: Kirkwood: Describe DNS32? gpio-keys in DT. ARM: Kirkwood: Move common portions into a kirkwood-dnskw.dtsi ARM: Kirkwood: Replace DNS-320/DNS-325 leds with dt bindings ARM: Kirkwood: Describe DNS325 temperature sensor in DT. ARM: Kirkwood: Use DT to configure SATA device. ARM: kirkwood: use devicetree for SPI on dreamplug ARM: kirkwood: Add LS-XHL and LS-CHLv2 support ARM: Kirkwood: Initial DTS support for Kirkwood GoFlex Net ARM: Kirkwood: Add basic device tree support for QNAP TS219. ATA: sata_mv: Add device tree support ARM: Orion: DTify the watchdog timer. ARM: Orion: Add arch support needed for I2C via DT. ARM: kirkwood: use devicetree for orion-spi ... Conflicts: drivers/watchdog/orion_wdt.c
2012-08-02Merge tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds
Pull arm-soc cpuidle enablement for OMAP from Olof Johansson: "Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree, but didn't go in because the pull request ended up rejected. So it just got merged, and we got this staged branch that enables the coupled cpuidle code on OMAP. With a stable git workflow from the other maintainer we could have staged this earlier, but that wasn't the case so we have had to merge it late. The alternative is to hold it off until 3.7 but given that the code is well-isolated to OMAP and they are eager to see it go in, I didn't push back hard in that direction." * tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP4: CPUidle: Open broadcast clock-event device. ARM: OMAP4: CPUidle: add synchronization for coupled idle states ARM: OMAP4: CPUidle: Use coupled cpuidle states to implement SMP cpuidle. ARM: OMAP: timer: allow gp timer clock-event to be used on both cpus
2012-08-02Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A few fixes for merge window fallout, and a bugfix for timer resume on PRIMA2." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: mmp: add missing irqs.h arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes ARM: mxc: Include missing irqs.h header
2012-08-02Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-shLinus Torvalds
Pull SuperH fixes from Paul Mundt. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (24 commits) sh: explicitly include sh_dma.h in setup-sh7722.c sh: ecovec: care CN5 VBUS if USB host mode sh: sh7724: fixup renesas_usbhs clock settings sh: intc: initial irqdomain support. sh: pfc: Fix up init ordering mess. serial: sh-sci: fix compilation breakage, when DMA is enabled dmaengine: shdma: restore partial transfer calculation sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757 sh: Fix up recursive fault in oops with unset TTB. sh: pfc: Build fix for pinctrl_remove_gpio_range() changes. sh: select the fixed regulator driver on several boards sh: ecovec: switch MMC power control to regulators sh: add fixed voltage regulators to se7724 sh: add fixed voltage regulators to sdk7786 sh: add fixed voltage regulators to rsk sh: add fixed voltage regulators to migor sh: add fixed voltage regulators to kfr2r09 sh: add fixed voltage regulators to ap325rxa sh: add fixed voltage regulators to sh7757lcr sh: add fixed voltage regulators to sh2007 ...
2012-08-02Merge tag 'md-3.6' of git://neil.brown.name/mdLinus Torvalds
Pull additional md update from NeilBrown: "This contains a few patches that depend on plugging changes in the block layer so needed to wait for those. It also contains a Kconfig fix for the new RAID10 support in dm-raid." * tag 'md-3.6' of git://neil.brown.name/md: md/dm-raid: DM_RAID should select MD_RAID10 md/raid1: submit IO from originating thread instead of md thread. raid5: raid5d handle stripe in batch way raid5: make_request use batch stripe release
2012-08-02Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull two ceph fixes from Sage Weil: "The first patch fixes up the old crufty open intent code to use the atomic_open stuff properly, and the second fixes a possible null deref and memory leak with the crypto keys." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: fix crypto key null deref, memory leak ceph: simplify+fix atomic_open
2012-08-02Merge tag 'ecryptfs-3.6-rc1-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull ecryptfs fixes from Tyler Hicks: - Fixes a bug when the lower filesystem mount options include 'acl', but the eCryptfs mount options do not - Cleanups in the messaging code - Better handling of empty files in the lower filesystem to improve usability. Failed file creations are now cleaned up and empty lower files are converted into eCryptfs during open(). - The write-through cache changes are being reverted due to bugs that are not easy to fix. Stability outweighs the performance enhancements here. - Improvement to the mount code to catch unsupported ciphers specified in the mount options * tag 'ecryptfs-3.6-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: check for eCryptfs cipher support at mount eCryptfs: Revert to a writethrough cache model eCryptfs: Initialize empty lower files when opening them eCryptfs: Unlink lower inode when ecryptfs_create() fails eCryptfs: Make all miscdev functions use daemon ptr in file private_data eCryptfs: Remove unused messaging declarations and function eCryptfs: Copy up POSIX ACL and read-only flags from lower mount
2012-08-02Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull CIFS update from Steve French: "Adds SMB2 rmdir/mkdir capability to the SMB2/SMB2.1 support in cifs. I am holding up a few more days on merging the remainder of the SMB2/SMB2.1 enablement although it is nearing review completion, in order to address some review comments from Jeff Layton on a few of the subsequent SMB2 patches, and also to debug an unrelated cifs problem that Pavel discovered." * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: CIFS: Add SMB2 support for rmdir CIFS: Move rmdir code to ops struct CIFS: Add SMB2 support for mkdir operation CIFS: Separate protocol specific part from mkdir CIFS: Simplify cifs_mkdir call
2012-08-02mm: remove node_start_pfn checking in new WARN_ON for nowLinus Torvalds
Borislav Petkov reports that the new warning added in commit 88fdf75d1bb5 ("mm: warn if pg_data_t isn't initialized with zero") triggers for him, and it is the node_start_pfn field that has already been initialized once. The call trace looks like this: x86_64_start_kernel -> x86_64_start_reservations -> start_kernel -> setup_arch -> paging_init -> zone_sizes_init -> free_area_init_nodes -> free_area_init_node and (with the warning replaced by debug output), Borislav sees On node 0 totalpages: 4193848 DMA zone: 64 pages used for memmap DMA zone: 6 pages reserved DMA zone: 3890 pages, LIFO batch:0 DMA32 zone: 16320 pages used for memmap DMA32 zone: 798464 pages, LIFO batch:31 Normal zone: 52736 pages used for memmap Normal zone: 3322368 pages, LIFO batch:31 free_area_init_node: pgdat->node_start_pfn: 4423680 <---- On node 1 totalpages: 4194304 Normal zone: 65536 pages used for memmap Normal zone: 4128768 pages, LIFO batch:31 free_area_init_node: pgdat->node_start_pfn: 8617984 <---- On node 2 totalpages: 4194304 Normal zone: 65536 pages used for memmap Normal zone: 4128768 pages, LIFO batch:31 free_area_init_node: pgdat->node_start_pfn: 12812288 <---- On node 3 totalpages: 4194304 Normal zone: 65536 pages used for memmap Normal zone: 4128768 pages, LIFO batch:31 so remove the bogus warning for now to avoid annoying people. Minchan Kim is looking at it. Reported-by: Borislav Petkov <bp@amd64.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-02ARM: mmp: add missing irqs.hHaojian Zhuang
arch/arm/mach-mmp/gplugd.c:195:13: error: ‘MMP_NR_IRQS’ undeclared here (not in a function) make[1]: *** [arch/arm/mach-mmp/gplugd.o] Error 1 Include <mach/irqs.h> to fix this issue. Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-08-02arm: mvebu: fix typo in .dtsi comment for Armada XP SoCsThomas Petazzoni
The comment was wrongly referring to Armada 370 while the file is related to Armada XP. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-08-02ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumesBarry Song
The only way to write LATCHED registers to write LATCH_BIT to LATCH register, that will latch COUNTER into LATCHED.e.g. writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base + SIRFSOC_TIMER_LATCH); Writing values to LATCHED registers directly is useless at all. Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2012-08-02libceph: fix crypto key null deref, memory leakSylvain Munaut
Avoid crashing if the crypto key payload was NULL, as when it was not correctly allocated and initialized. Also, avoid leaking it. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Alex Elder <elder@inktank.com>
2012-08-02ceph: simplify+fix atomic_openSage Weil
The initial ->atomic_open op was carried over from the old intent code, which was incomplete and didn't really work. Replace it with a fresh method. In particular: * always attempt to do an atomic open+lookup, both for the create case and for lookups of existing files. * fix symlink handling by returning 1 to the VFS so that we can follow the link to its destination. This fixes a longstanding ceph bug (#2392). Signed-off-by: Sage Weil <sage@inktank.com>