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2014-05-12MAINTAINERS: mmc: Update email for host driver maintainerUlf Hansson
Update Ian Molton's email, the maintainer for tmio/sh_mobile_sdhci. Cc: Ian Molton <ian.molton@codethink.co.uk> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Ian Molton <ian.molton@codethink.co.uk> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: core: Improve support for deferred regulatorsTim Kryger
Callers of mmc_regulator_get_supply could benefit from knowing if either of the regulators are present but not yet available. Since callers do not currently examine the return value, modify this function to return zero or -EPROBE_DEFER if either regulator get returns the same. Furthermore, since callers check vmmc/vqmmc using IS_ERR and can deal with absent regulators, switch to devm_regulator_get_optional. This has the added benefit of allowing this function to behave correctly even in the !CONFIG_REGULATOR case such that the stub can be removed. Signed-off-by: Tim Kryger <tim.kryger@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mxcmmc: Use mmc_regulator_get_supply() APIAlexander Shiyan
This patch replaces regulator manipulation with mmc_regulator_get_supply() function from MMC core. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: atmel: don't test host->dataAlexandre Belloni
Found using smatch: drivers/mmc/host/atmel-mci.c:827 atmci_pdc_complete() warn: variable dereferenced before check 'host->data' (see line 807) Stop testing host->data as it is not NULL at that point. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: rtsx: fix possible linking error if built-inArnd Bergmann
rtsx_usb_sdmmc module uses the LED classdev if available, but the code failed to consider the situation that it is built-in and the LED classdev is a module, leading to following linking error: LD init/built-in.o drivers/built-in.o: In function `rtsx_usb_sdmmc_drv_remove': rtsx_usb_sdmmc.c:(.text+0x2a018e): undefined reference to `led_classdev_unregister' drivers/built-in.o: In function `rtsx_usb_sdmmc_drv_probe': rtsx_usb_sdmmc.c:(.text+0x2a197e): undefined reference to `led_classdev_register' Fix by excluding such condition when defining macro RTSX_USB_USE_LEDS_CLASS. Signed-off-by: Roger Tseng <rogerable@realtek.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mxs: fix card detection function for broken card detectDaniel Willmann
Return -ENOSYS in get_cd if broken-cd is specified in the device tree. Commit a91fe279ae75 (mmc: mxs: use standard flag for broken card detection) sets MMC_CAP_NEEDS_POLL when broken-cd is specified. This driver sets this flag unconditionally as it does not support a card detect interrupt. Instead, broken-cd means that there is no card detect signal connected. The mmc core checks the get_cd function return value to determine if a card is present. Only for a non-zero return value it will attempt to initialize the card. So retuning -ENOSYS will allow the card to be initialized. For comparison, mmc_gpio_get_cd in slot-gpio.c also returns -ENOSYS if the card detect GPIO is not valid. Signed-off-by: Daniel Willmann <daniel@totalueberwachung.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: jz4740: don't wait for PRG_DONE after stop command with R1 responseAlex Smith
As of commit bcc3e1726d ("mmc: block: Use R1 responses for stop cmds for read requests"), stop commands for reads do not have MMC_RSP_BUSY set. In this case we should not wait for a PRG_DONE IRQ after sending the stop command: it will not get raised when the busy flag is not set, causing the request to fail with a timeout. Signed-off-by: Alex Smith <alex.smith@imgtec.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Chris Ball <chris@printf.net> Cc: James Hogan <james.hogan@imgtec.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: core: add DT bindings for eMMC HS400 1.8/1.2VSeungwon Jeon
Provide the option to configure these speed modes per host, for those host driver's that can't distinguish this in runtime. Specially, if host can support HS400, it means that host can also support HS200. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: add support for HS400 mode of eMMC5.0Seungwon Jeon
This patch adds HS400 mode support for eMMC5.0 device. HS400 mode is high speed DDR interface timing from HS200. Clock frequency is up to 200MHz and only 8-bit bus width is supported. In addition, tuning process of HS200 is required to synchronize the command response on the CMD line because CMD input timing for HS400 mode is the same as HS200 mode. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Jackey Shen <jackey.shen@amd.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: rework selection of bus speed modeSeungwon Jeon
Current implementation for bus speed mode selection is too complicated. This patch is to simplify the codes and remove some duplicate parts. The following changes are including: * Adds functions for each mode selection(HS, HS-DDR, HS200 and etc) * Rearranged the mode selection sequence with supported device type * Adds maximum speed for HS200 mode(hs200_max_dtr) * Adds field definition for HS_TIMING of EXT_CSD Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: step power class after final selection of bus modeSeungwon Jeon
Power class is changed once only after selection of bus modes including speed and bus-width finishes finally. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: identify available device type to selectSeungwon Jeon
Device types which are supported by both host and device can be identified when EXT_CSD is read. There is no need to check host's capability anymore. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: drop the speed mode of card's stateSeungwon Jeon
Timing mode identifier has same role and can take the place of speed mode. This change removes all related speed mode. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mvsdio: workaround for spurious irqsSebastian Hesselbarth
SDIO controllers found on Marvell Kirkwood SoCs seem to cause a late, spurious irq although all interrupts have been disabled. This irq doesn't do any harm, neither to HW nor driver. To avoid some "unexpected irq" warning later, we workaround above issue by bailing out of irq handler early, if we didn't expect any. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mvsdio: silence card detect noticeSebastian Hesselbarth
mvsdio reports method of card detection with dev_notice, while for removable cards it may be sane, for non-removable cards it is not. Also, as the user cannot do anything about it, silence the message by reducing it from dev_notice to dev_dbg. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: core: Try other signal levels during power upTim Kryger
The eMMC signalling voltage is determined by VCCQ which is provided to the card by the host. Signalling is not required to begin at 3.3v and, if the host and card both support a particular VCC/VCCQ combination, it can be used immediately. In contrast, SD Cards must begin with 3.3v signalling and may switch to a lower voltage signalling if instructed to do so in CMD11. A message is required to coordinate this operation because the card only receives a 3.3v VDD and must know when to use the 1.8v produced by its internal regulator. It makes sense for the core to begin with 3.3v signalling but when that can't be set, 1.8v and 1.2v signalling also should be attempted. This is especially important when an external regulator with a limited range is used to supply VCCQ to an eMMC part. Signed-off-by: Tim Kryger <tim.kryger@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: moxart: Add MOXA ART SD/MMC driverJonas Jensen
Add SD/MMC driver for MOXA ART SoCs. The "MOXA ART MMC controller" is likely a faraday "ftsdc010", a controller with support in U-Boot: http://git.denx.de/?p=u-boot.git;a=blob;f=drivers/mmc/ftsdc010_mci.c Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: Add realtek USB sdmmc host driverRoger Tseng
Realtek USB SD/MMC host driver provides mmc host support based on the Realtek USB card reader MFD driver. Signed-off-by: Roger Tseng <rogerable@realtek.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: sdhci-s3c: Remove unused define for NUM_GPIOSAxel Lin
NUM_GPIOS is not used after e19499ae10903 ("mmc: sdhci-s3c: let device core setup the default pin configuration"). Thus remove it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: restore the card-present checking pointJaehoon Chung
Restore the card-present checking point. (The following part was removed from commit bf626e5 ("mmc: dw_mmc: use slot-gpio to handle cd pin") Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: remove dw_mci_of_cd_gpio/wp_gpio()Jaehoon Chung
If mmc_of_parse() is used, dw_mci_of_get_cd_gpio/wp_gpio didn't need. Already implemented into mmc_of_parse(). Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: remove unnecessary function.Jaehoon Chung
Remove unnecessary function. This function didn't re-use anywhere. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: fix minor coding style.Jaehoon Chung
Fixed an indentation block. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: remove unused member variable.Jaehoon Chung
Since using the device-tree, didn't use the callback pointer. So removed the unused callback pointer. When the set_power callback is used, it should be added in future. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: replace the bus_hz checking pointJaehoon Chung
It's right to check immediately whether host->bus_hz is assigned or not. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: use the mmc_of_parse() instead of local parserJaehoon Chung
mmc_of_parse() have been already parsed the general capability. Didn't need to use the local parser. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mxcmmc: Convert to SIMPLE_DEV_PM_OPSAlexander Shiyan
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: mxcmmc: Convert to devm-* APIAlexander Shiyan
Replace existing resource handling in the driver with managed device resource, this ensures more consistent error values and simplifies error paths. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-05-12mmc: dw_mmc: exynos: Staticize dw_mci_exynos_pmopsSachin Kamat
'dw_mci_exynos_pmops' is local to this file. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: rtsx: add R1-no-CRC mmc command type handleMicky Ching
a27fbf2f067b0cd ("mmc: add ignorance case for CMD13 CRC error") produced a cmd.flags unhandled in realtek pci host driver. This will make MMC card fail to initialize, this patch is used to handle the new cmd.flags condition and MMC card can be used. Signed-off-by: Micky Ching <micky_ching@realsil.com.cn> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: core: Invoke sdio func driver's PM callbacks from the sdio busUlf Hansson
The sdio func device is added to the driver model after the card device. This means the sdio func device will be suspend before the card device and thus resumed after. The consequence are the mmc core don't explicity need to protect itself from receiving sdio requests in suspended state. Instead that can be handled from the sdio bus, which is thus invokes the PM callbacks instead of old dummy function. In the case were the sdio func driver don't implement the PM callbacks the mmc core will in the early phase of system suspend, remove the card from the driver model and thus power off it. Cc: Aaron Lu <aaron.lu@intel.com> Cc: NeilBrown <neilb@suse.de> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Aaron Lu <aaron.lu@intel.com> Tested-by: xiaoming wang <xiaoming.wang@intel.com> Tested-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: core: Use maximum timeout values in case TACC field is zeroStefan Wahren
When plugging a specific micro SD card at MMC socket of a custom i.MX28 board, we get the following kernel warning: WARNING: CPU: 0 PID: 30 at drivers/mmc/host/mxs-mmc.c:342 mxs_mmc_start_cmd+0x34c/0x378() Modules linked in: CPU: 0 PID: 30 Comm: kworker/u2:1 Not tainted 3.14.0-rc5 #8 Workqueue: kmmcd mmc_rescan [<c0015420>] (unwind_backtrace) from [<c0012cb0>] (show_stack+0x10/0x14) [<c0012cb0>] (show_stack) from [<c001daf8>] (warn_slowpath_common+0x6c/0x8c) [<c001daf8>] (warn_slowpath_common) from [<c001db34>] (warn_slowpath_null+0x1c/0x24) [<c001db34>] (warn_slowpath_null) from [<c0349478>] (mxs_mmc_start_cmd+0x34c/0x378) [<c0349478>] (mxs_mmc_start_cmd) from [<c0338fa0>] (mmc_start_request+0xc4/0xf4) [<c0338fa0>] (mmc_start_request) from [<c03390b4>] (mmc_wait_for_req+0x50/0x164) [<c03390b4>] (mmc_wait_for_req) from [<c03405b8>] (mmc_app_send_scr+0x158/0x1c8) [<c03405b8>] (mmc_app_send_scr) from [<c033ee1c>] (mmc_sd_setup_card+0x80/0x3c8) [<c033ee1c>] (mmc_sd_setup_card) from [<c033f788>] (mmc_sd_init_card+0x124/0x66c) [<c033f788>] (mmc_sd_init_card) from [<c033fd7c>] (mmc_attach_sd+0xac/0x174) [<c033fd7c>] (mmc_attach_sd) from [<c033a658>] (mmc_rescan+0x25c/0x2d8) [<c033a658>] (mmc_rescan) from [<c003597c>] (process_one_work+0x1b4/0x4ec) [<c003597c>] (process_one_work) from [<c0035de4>] (worker_thread+0x130/0x464) [<c0035de4>] (worker_thread) from [<c003c824>] (kthread+0xb4/0xd0) [<c003c824>] (kthread) from [<c000f420>] (ret_from_fork+0x14/0x34) The error is due to an invalid value in CSD register of a specific 2GB micro SD card. The CSD version of this card is 1.0 but the TACC field has the invalid value 0. cid:0000005553442020000000000000583f csd:00000032535a83bfedb7ffbf1680003f date:08/2005 erase_size:512 fwrev:0x0 hwrev:0x0 manfid:0x000000 name:USD oemid:0x0000 preferred_erase_size:4194304 scr:0225000000000000 serial:0x00000000 type:SD Since the kernel is making use of this TACC field to calculate the SD card timeout, an invalid value 0 leads to a warning at mxs_ns_to_ssp_ticks() and later the following misleading error message appears in a loop: mxs-mmc 80010000.ssp: card claims to support voltages below defined range mxs-mmc 80010000.ssp: no support for card's volts mmc0: error -22 whilst initialising MMC card This error is only found on this 2GB SD card on mxs platform. On x86 this card works without any problems. The following patch based on the work of Peter Chan and Otavio Salvador. It catches the case that the determined timeout is still 0 and sets it to a valid value. Successful tested on a i.MX28 board. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: Convert to use ATTRIBUTE_GROUPSAxel Lin
Use new ATTRIBUTE_GROUPS macro to declare attribute groups. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: card.h: Use NULL instead of 0 for END_FIXUPFabio Estevam
Fix the following sparse warnings: drivers/mmc/card/block.c:2421:9: warning: Using plain integer as NULL pointer drivers/mmc/core/quirks.c:69:9: warning: Using plain integer as NULL pointer Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-22mmc: Delay the card_event callback into the mmc_rescan workerMarkus Mayer
This change removes the callback from atomic context which it doesn't need to be in, and puts it in line with the debounced rescan. This code is based on these e-mail threads with Christian Daudt: https://lkml.org/lkml/2013/8/19/539 https://lkml.org/lkml/2014/3/19/79 Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: sdhci: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Added MMC_DDR52 as eMMC's DDR mode is distinguished from SD-UHS. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: dw_mmc: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Replaced UHS_DDR50 with MMC_DDR52. And MMC_CAP_UHS_DDR50 is removed because of non-implementation of UHS signaling. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: rtsx: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Added MMC_DDR52 as eMMC's DDR mode is distinguished from SD-UHS. CC: Wei WANG <wei_wang@realsil.com.cn> CC: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: sh_mmcif: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Replaced UHS_DDR50 with MMC_DDR52. CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: omap: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Replaced UHS_DDR50 with MMC_DDR52. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Balaji T K <balajitk@ti.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: mmci: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
Added MMC_DDR52 as eMMC's DDR mode distinguished from SD-UHS. CC: Russell King <linux@arm.linux.org.uk> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20mmc: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon
This change distinguishes DDR timing mode of current mixed usage to clarify device type. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
2014-04-20Linux 3.15-rc2Linus Torvalds
2014-04-20Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds
Pull slave-dmaengine fixes from Vinod Koul: "Back from long weekend here in India and now the time to send fixes for slave dmaengine. - Dan's fix of sirf xlate code - Jean's fix for timberland - edma fixes by Sekhar for SG handling and Yuan for changing init call" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dma: fix eDMA driver as a subsys_initcall dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() platform: Fix timberdale dependencies dma: edma: fix incorrect SG list handling
2014-04-20Merge tag 'iommu-fixes-v3.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: "Fixes for regressions: - fix wrong IOMMU enumeration causing some SCSI device drivers initialization failures - ARM-SMMU fixes for a panic condition and a wrong return value" * tag 'iommu-fixes-v3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/arm-smmu: fix panic in arm_smmu_alloc_init_pte iommu/arm-smmu: Return 0 on unmap failure iommu/vt-d: fix bug in matching PCI devices with DRHD/RMRR descriptors iommu/vt-d: Fix get_domain_for_dev() handling of upstream PCIe bridges iommu/vt-d: fix memory leakage caused by commit ea8ea46
2014-04-20Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf tooling fixes from Ingo Molnar: "Three small tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools: Improve error reporting perf tools: Adjust symbols in VDSO perf kvm: Fix 'Min time' counting in report command
2014-04-20Merge tag 'perf-urgent-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/urgent Pull perf/urgent fixes from Jiri Olsa: User visible changes: * Adjust symbols in VDSO to properly resolve its function names (Vladimir Nikulichev) * Improve error reporting for record session failure (Adrien BAK) * Fix 'Min time' counting in report command (Alexander Yarygin) Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-20perf tools: Improve error reportingAdrien BAK
In the current version, when using perf record, if something goes wrong in tools/perf/builtin-record.c:375 session = perf_session__new(file, false, NULL); The error message: "Not enough memory for reading per file header" is issued. This error message seems to be outdated and is not very helpful. This patch proposes to replace this error message by "Perf session creation failed" I believe this issue has been brought to lkml: https://lkml.org/lkml/2014/2/24/458 although this patch only tackles a (small) part of the issue. Additionnaly, this patch improves error reporting in tools/perf/util/data.c open_file_write. Currently, if the call to open fails, the user is unaware of it. This patch logs the error, before returning the error code to the caller. Reported-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Adrien BAK <adrien.bak@metascale.org> Link: http://lkml.kernel.org/r/1397786443.3093.4.camel@beast [ Reorganize the changelog into paragraphs ] [ Added empty line after fd declaration in open_file_write ] Signed-off-by: Jiri Olsa <jolsa@redhat.com>
2014-04-20perf tools: Adjust symbols in VDSOVladimir Nikulichev
pert-report doesn't resolve function names in VDSO: $ perf report --stdio -g flat,0.0,15,callee --sort pid ... 8.76% 0x7fff6b1fe861 __gettimeofday ACE_OS::gettimeofday() ... In this case symbol values should be adjusted the same way as for executables, relocatable objects and prelinked libraries. After fix: $ perf report --stdio -g flat,0.0,15,callee --sort pid ... 8.76% __vdso_gettimeofday __gettimeofday ACE_OS::gettimeofday() Signed-off-by: Vladimir Nikulichev <nvs@tbricks.com> Tested-by: Namhyung Kim <namhyung@kernel.org> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Link: http://lkml.kernel.org/r/969812.163009436-sendEmail@nvs Signed-off-by: Jiri Olsa <jolsa@redhat.com>
2014-04-20perf kvm: Fix 'Min time' counting in report commandAlexander Yarygin
Every event in the perf-kvm has a 'stats' structure, which contains max/min/average/etc times of handling this event. The problem is that the 'perf-kvm stat report' command always shows that 'min time' is 0us for every event. Example: # perf kvm stat report Analyze events for all VCPUs: VM-EXIT Samples Samples% Time% Min Time Max Time Avg time [..] 0xB2 MSCH 12 0.07% 0.00% 0us 8us 7.31us ( +- 2.11% ) 0xB2 CHSC 12 0.07% 0.00% 0us 18us 9.39us ( +- 9.49% ) 0xB2 STPX 8 0.05% 0.00% 0us 2us 1.88us ( +- 7.18% ) 0xB2 STSI 7 0.04% 0.00% 0us 44us 16.49us ( +- 38.20% ) [..] This happens because the 'stats' structure is not initialized and stats->min equals to 0. Lets initialize the structure for every event after its allocation using init_stats() function. This initializes stats->min to -1 and makes 'Min time' statistics counting work: # perf kvm stat report Analyze events for all VCPUs: VM-EXIT Samples Samples% Time% Min Time Max Time Avg time [..] 0xB2 MSCH 12 0.07% 0.00% 6us 8us 7.31us ( +- 2.11% ) 0xB2 CHSC 12 0.07% 0.00% 7us 18us 9.39us ( +- 9.49% ) 0xB2 STPX 8 0.05% 0.00% 1us 2us 1.88us ( +- 7.18% ) 0xB2 STSI 7 0.04% 0.00% 1us 44us 16.49us ( +- 38.20% ) [..] Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/1397053319-2130-3-git-send-email-borntraeger@de.ibm.com [ Fixing the perf examples changelog output ] Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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