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* mmc: mvsdio: workaround for spurious irqsSebastian Hesselbarth2014-05-131-0/+14
| | | | | | | | | | | | | 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>
* mmc: mvsdio: silence card detect noticeSebastian Hesselbarth2014-05-131-3/+3
| | | | | | | | | | | | 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>
* mmc: moxart: Add MOXA ART SD/MMC driverJonas Jensen2014-05-133-0/+740
| | | | | | | | | | | | | | 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>
* mmc: Add realtek USB sdmmc host driverRoger Tseng2014-05-133-0/+1463
| | | | | | | | | 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>
* mmc: sdhci-s3c: Remove unused define for NUM_GPIOSAxel Lin2014-05-131-3/+0
| | | | | | | | | | 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>
* mmc: dw_mmc: restore the card-present checking pointJaehoon Chung2014-05-131-0/+5
| | | | | | | | | | | 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>
* mmc: dw_mmc: remove dw_mci_of_cd_gpio/wp_gpio()Jaehoon Chung2014-05-132-59/+3
| | | | | | | | | 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>
* mmc: dw_mmc: remove unnecessary function.Jaehoon Chung2014-05-131-7/+1
| | | | | | | | 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>
* mmc: dw_mmc: fix minor coding style.Jaehoon Chung2014-05-131-3/+2
| | | | | | | | 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>
* mmc: dw_mmc: remove unused member variable.Jaehoon Chung2014-05-131-30/+3
| | | | | | | | | | 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>
* mmc: dw_mmc: replace the bus_hz checking pointJaehoon Chung2014-05-131-10/+8
| | | | | | | | 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>
* mmc: dw_mmc: use the mmc_of_parse() instead of local parserJaehoon Chung2014-05-131-48/+1
| | | | | | | | | | 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>
* mmc: mxcmmc: Convert to SIMPLE_DEV_PM_OPSAlexander Shiyan2014-05-131-10/+3
| | | | | | 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>
* mmc: mxcmmc: Convert to devm-* APIAlexander Shiyan2014-05-131-63/+38
| | | | | | | | | | 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>
* mmc: dw_mmc: exynos: Staticize dw_mci_exynos_pmopsSachin Kamat2014-05-131-1/+1
| | | | | | | | | | '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>
* mmc: rtsx: add R1-no-CRC mmc command type handleMicky Ching2014-04-221-0/+3
| | | | | | | | | | | 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>
* mmc: sdhci: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-201-1/+3
| | | | | | | | 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>
* mmc: dw_mmc: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-202-4/+3
| | | | | | | | | | 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>
* mmc: rtsx: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-201-0/+2
| | | | | | | | | | 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>
* mmc: sh_mmcif: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-201-4/+5
| | | | | | | | | 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>
* mmc: omap: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-201-2/+2
| | | | | | | | | 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>
* mmc: mmci: clarify DDR timing mode between SD-UHS and eMMCSeungwon Jeon2014-04-201-2/+4
| | | | | | | | | 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>
* Merge tag 'mmc-updates-for-3.15-rc1' of ↵Linus Torvalds2014-04-0928-808/+1618
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC updates from Chris Ball: "MMC highlights for 3.15: Core: - CONFIG_MMC_UNSAFE_RESUME=y is now default behavior - DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V - Add GPIO descriptor based slot-gpio card detect API Drivers: - dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c - mmci: Support HW busy detection on ux500 - omap: Support MMC_ERASE - omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23 - rtsx: Support pre-req/post-req async - sdhci: Add support for Realtek RTS5250 controllers - sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect - sdhci-msm: Add new driver for Qualcomm SDHCI chipset support - sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs" * tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits) mmc: sdhci-acpi: Intel SDIO has broken card detect mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller mmc: sdhci-msm: Add platform_execute_tuning implementation mmc: sdhci-msm: Initial support for Qualcomm chipsets mmc: sdhci-msm: Qualcomm SDHCI binding documentation sdhci: only reprogram retuning timer when flag is set mmc: rename ARCH_BCM to ARCH_BCM_MOBILE mmc: sdhci: Allow for irq being shared mmc: sdhci-acpi: Add device id 80860F16 mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14 mmc: slot-gpio: Add GPIO descriptor based CD GPIO API mmc: slot-gpio: Split out CD IRQ request into a separate function mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform" mmc: sdhci-spear: use generic card detection gpio support mmc: sdhci-spear: remove support for power gpio mmc: sdhci-spear: simplify resource handling mmc: sdhci-spear: fix platform_data usage mmc: sdhci-spear: fix error handling paths for DT mmc: sdhci-bcm-kona: fix build errors when built-in ...
| * mmc: sdhci-acpi: Intel SDIO has broken card detectAdrian Hunter2014-04-081-0/+1
| | | | | | | | | | | | | | | | Intel SDIO has broken card detect so add a quirk to reflect that. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controllerMarcin Wojtas2014-03-291-0/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SDHCI unit used on the Armada 380 and 385 Marvell SoC is similar to the PXAv3 unit. The only difference is that on Armada 38x, the PXAv3 unit accesses memory through MBus windows which must be configured prior to using the device. Without this, DMA would not work. In order to achieve this, the sdhci-pxav3 driver is extended with an additional compatible string "marvell,armada-380-sdhci". When this compatible string is used, the MBus windows are initialized in a way that is identical to what all other DMA-capable drivers for Marvell EBU platforms do. Signed-off-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-msm: Add platform_execute_tuning implementationGeorgi Djakov2014-03-271-5/+415
| | | | | | | | | | | | | | | | | | | | | | This patch adds implementation for platform specific tuning in order to support HS200 bus speed mode on Qualcomm SDHCI controller. Signed-off-by: Asutosh Das <asutoshd@codeaurora.org> Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org> Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-msm: Initial support for Qualcomm chipsetsGeorgi Djakov2014-03-273-0/+222
| | | | | | | | | | | | | | | | | | | | | | | | This platform driver adds the initial support of Secure Digital Host Controller Interface compliant controller found in Qualcomm chipsets. Signed-off-by: Asutosh Das <asutoshd@codeaurora.org> Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com> Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
| * sdhci: only reprogram retuning timer when flag is setArend van Spriel2014-03-251-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the host->tuning_count is zero it means that the retuning is disabled. This is checked on the first run of sdhci_execute_tuning() by the if statement below: if (!(host->flags & SDHCI_NEEDS_RETUNING) && host->tuning_count && (host->tuning_mode == SDHCI_TUNING_MODE_1)) { So only when tuning_count is non-zero it will set the host flag SDHCI_USING_RETUNING_TIMER. The else statement is only for re-programming the timer, which means that flag must be set. Because that is not checked the else statement is executed in the first run when tuning_count is zero. This was seen on a host controller which indicated SDHCI_TUNING_MODE_1 (0) and tuning_count being zero. Suspect that (one of) these registers is not properly set. Signed-off-by: Arend van Spriel <arend@broadcom.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: rename ARCH_BCM to ARCH_BCM_MOBILEChristian Daudt2014-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | Currently ARCH_BCM has been used for Broadcom Mobile V7 based SoCs. In order to allow other Broadcom SoCs to also use mach-bcm directory and files, this patch renames the original ARCH_BCM to ARCH_BCM_MOBILE, and uses ARCH_BCM to define any Broadcom chip residing in mach-bcm directory. Signed-off-by: Christian Daudt <bcm@fixthebug.org> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci: Allow for irq being sharedAdrian Hunter2014-03-171-3/+1
| | | | | | | | | | | | | | | | | | | | If the SDHCI irq is shared with another device then the interrupt handler can get called while SDHCI is runtime suspended. That is harmless but the warning message is not useful so remove it. Also returning IRQ_NONE is more appropriate. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-acpi: Add device id 80860F16Adrian Hunter2014-03-171-0/+2
| | | | | | | | | | | | | | Add ACPI HID 80860F16 as a host controller for a SD card. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14Adrian Hunter2014-03-171-62/+15
| | | | | | | | | | | | | | | | | | | | | | Some 80860F14 devices do not support card detect and must rely completely on GPIO. Presently the card detect GPIO is used only to wake-up from runtime suspend. Change to using mmc_gpioid_request_cd() which will cause the SDHCI driver to prefer the GPIO to the host controller's native card detect. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-spear: use generic card detection gpio supportRussell King2014-03-041-62/+17
| | | | | | | | | | | | | | | | | | sdhci has support for using GPIOs for card detection. If we have a GPIO specified, we can use that directly, without needing our own interrupt handler. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-spear: remove support for power gpioRussell King2014-03-041-32/+0
| | | | | | | | | | | | | | | | | | | | | | None of this code is currently used: there are no definitions of struct sdhci_plat_data in arch/arm, neither are there any DT properties which use card_power_gpio/power_active_high/power_always_enb. In any case, slot power control should be rigged up via vmmc and the regulator subsystem in the DT case. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-spear: simplify resource handlingRussell King2014-03-041-27/+13
| | | | | | | | | | | | | | | | Use devm_ioremap_resource() to simplify iomem resource handling in the probe path. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-spear: fix platform_data usageRussell King2014-03-041-26/+17
| | | | | | | | | | | | | | | | | | | | sdhci-spear is unsafe should a probe fail or defer, since it overwrites the platform_data with its own driver-private data. It's trivial to fix as SDHCI allows for driver-private data to be appended to its own structure - we just need to arrange the code to allow this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-spear: fix error handling paths for DTRussell King2014-03-041-6/+3
| | | | | | | | | | | | | | | | Fix the error handling paths for DT and simplify using the devm_* API for clk_get(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: sdhci-bcm-kona: fix build errors when built-inRussell King2014-03-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | `sdhci_bcm_kona_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.exit.text' of drivers/built-in.o Fixes: 058feb53666f ("mmc: sdhci-bcm-kona: make linker-section warning go away") Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Markus Mayer <markus.mayer@linaro.org> Acked-by: Matt Porter <mporter@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: add autocmd23 supportBalaji T K2014-03-041-3/+36
| | | | | | | | | | | | | | Add support for autocmd23 support Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: add cmd23 supportBalaji T K2014-03-041-4/+17
| | | | | | | | | | | | | | Add set block count command support for close ended multiblock read/write. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: split dma setupBalaji T K2014-03-041-8/+18
| | | | | | | | | | | | | | | | split start dma function into setup and start dma to keep track of host_cookie when cmd23 support is enabled along with async request. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: fix request done for sbc error caseBalaji T K2014-03-041-1/+1
| | | | | | | | | | | | | | | | | | mrq is not populated for set block count(cmd23) command. Use block read/write mmc_commond pointer for request done and avoid NULL pointer access in error case for sbc (cmd23). Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: save clock rate to use in interrupt contextBalaji T K2014-03-041-1/+3
| | | | | | | | | | | | | | | | | | | | clk_get_rate throws DEBUG_LOCKS_WARN_ON(in_interrupt()) warning if called from interrupt context. use cached clock rate in set_data_timeout, so that set_data_timeout can be called from interrupt context. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: remove redundant reset doneBalaji T K2014-03-041-4/+0
| | | | | | | | | | | | | | | | Remove redundant reset done check since omap hwmod layer ensures IP reset. Signed-off-by: Balaji T K <balajitk@ti.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: fix return error code for of_get_hsmmc_pdataBalaji T K2014-03-041-2/+2
| | | | | | | | | | | | | | | | | | of_get_hsmmc_pdata returns a pointer, returning NULL is invalid, return ERR_PTR for error case. Signed-off-by: Balaji T K <balajitk@ti.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: remove pbias workaroundBalaji T K2014-03-041-19/+1
| | | | | | | | | | | | | | | | | | | | remove pbias workaround Signed-off-by: Balaji T K <balajitk@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Tested-by: Florian Vaussard <florian.vaussard@epfl.ch> Tested-by: Stefan Roese <sr@denx.de> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: adapt hsmmc to use pbias regulatorBalaji T K2014-03-041-0/+37
| | | | | | | | | | | | | | | | | | | | In DT case, PBAIS registers are programmed via regulator, use regulator APIs to control PBIAS. Signed-off-by: Balaji T K <balajitk@ti.com> Tested-by: Florian Vaussard <florian.vaussard@epfl.ch> Tested-by: Stefan Roese <sr@denx.de> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: handle vcc and vcc_aux independentlyBalaji T K2014-03-041-27/+23
| | | | | | | | | | | | | | | | | | | | handle vcc and vcc_aux independently to reduce indent. Signed-off-by: Balaji T K <balajitk@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Tested-by: Florian Vaussard <florian.vaussard@epfl.ch> Tested-by: Stefan Roese <sr@denx.de> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: use devm_regulator APIBalaji T K2014-03-041-4/+2
| | | | | | | | | | | | | | | | | | | | | | Use devm_regulator API, while at it use devm_regulator_get_optional for optional vmmc_aux supply Signed-off-by: Balaji T K <balajitk@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Tested-by: Florian Vaussard <florian.vaussard@epfl.ch> Tested-by: Stefan Roese <sr@denx.de> Signed-off-by: Chris Ball <chris@printf.net>
| * mmc: omap_hsmmc: support more DT propertiesDaniel Mack2014-03-041-0/+6
| | | | | | | | | | | | | | | | | | | | | | This should probably be done implicitly through mmc_of_parse(), but that doesn't play well along with the multi-slot model the hsmmc driver features. Hence, for now, do it manually. The properties are already documented in Documentation/devicetree/bindings/mmc/mmc.txt. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <chris@printf.net>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 17:41:35 +0100