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path: root/drivers/mmc/host/android-goldfish.c
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* mmc: host: Retire MMC_GOLDFISHRoman Kiryanov2021-02-151-545/+0
| | | | | | | | Android Studio Emulator no longer uses this driver, so let's drop it. Signed-off-by: Roman Kiryanov <rkir@google.com> Link: https://lore.kernel.org/r/20210209190850.16647-1-rkir@google.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.4Douglas Anderson2020-09-071-0/+1
| | | | | | | | | | | | | This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v4.4 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # SH_MMCIF Tested-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20200903162412.1.Id501e96fa63224f77bb86b2135a5e8324ffb9c43@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: android-goldfish: Enable MMC_CAP2_NO_SDIOUlf Hansson2020-05-281-9/+1
| | | | | | | | | Instead of explicitly checking for SDIO specific requests and then returning an error code, let's set MMC_CAP2_NO_SDIO to tell the mmc core to prevent them altogether. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200401145531.23247-1-ulf.hansson@linaro.org
* Merge tag 'mmc-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds2019-07-111-16/+15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MMC updates from Ulf Hansson: "MMC core: - Let the dma map ops deal with bouncing and drop dma_max_pfn() from the dma-mapping interface for ARM - Convert the generic MMC DT doc to YAML schemas - Drop questionable support for powered-on re-init of SDIO cards at runtime resume and for SDIO HW reset - Prevent questionable re-init of powered-on removable SDIO cards at system resume - Cleanup and clarify some SDIO core code MMC host: - tmio: Make runtime PM enablement more flexible for variants - tmio/renesas_sdhi: Rename DT doc tmio_mmc.txt to renesas,sdhi.txt to clarify - sdhci-pci: Add support for Intel EHL - sdhci-pci-o2micro: Enable support for 8-bit bus - sdhci-msm: Prevent acquiring a mutex while holding a spin_lock - sdhci-of-esdhc: Improve clock management and tuning - sdhci_am654: Enable support for 4 and 8-bit bus on J721E - sdhci-sprd: Use pinctrl for a proper signal voltage switch - sdhci-sprd: Add support for HS400 enhanced strobe mode - sdhci-sprd: Enable PHY DLL and allow delay config to stabilize the clock - sdhci-sprd: Add support for optional gate clock - sunxi-mmc: Convert DT doc to YAML schemas - meson-gx: Add support for broken DRAM access for DMA MEMSTICK core: - Fixup error path of memstick_init()" * tag 'mmc-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (52 commits) mmc: sdhci_am654: Add dependency on MMC_SDHCI_AM654 mmc: alcor: remove a redundant greater or equal to zero comparison mmc: sdhci-msm: fix mutex while in spinlock mmc: sdhci_am654: Make some symbols static dma-mapping: remove dma_max_pfn mmc: core: let the dma map ops handle bouncing dt-binding: mmc: rename tmio_mmc.txt to renesas,sdhi.txt mmc: sdhci-sprd: Add pin control support for voltage switch dt-bindings: mmc: sprd: Add pinctrl support mmc: sdhci-sprd: Add start_signal_voltage_switch ops mmc: sdhci-pci: Add support for Intel EHL mmc: tmio: Use dma_max_mapping_size() instead of a workaround mmc: sdio: Drop unused in-parameter from mmc_sdio_init_card() mmc: sdio: Drop unused in-parameter to mmc_sdio_reinit_card() mmc: sdio: Don't re-initialize powered-on removable SDIO cards at resume mmc: sdio: Drop powered-on re-init at runtime resume and HW reset mmc: sdio: Move comment about re-initialization to mmc_sdio_reinit_card() mmc: sdio: Drop mmc_claim|release_host() in mmc_sdio_power_restore() mmc: sdio: Turn sdio_run_irqs() into static mmc: sdhci: Fix indenting on SDHCI_CTRL_8BITBUS ...
| * mmc: android-goldfish: Drop pointer to mmc_host from goldfish_mmc_hostKamlesh Gurudasani2019-06-101-16/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | The driver for android-goldfish uses a pointer to get from the private goldfish_mmc_host structure to the generic mmc_host structure. However the latter is always immediately preceding the former in memory, so compute its address with a subtraction (which is cheaper than a dereference) and drop the superfluous pointer. No functional change intended. Signed-off-by: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* | treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner2019-06-191-4/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* mmc: android-goldfish: fix bad logic of sg_copy_{from,to}_buffer conversionLudovic Desroches2018-08-211-2/+2
| | | | | | | | | | | | | The conversion to sg_copy_{from,to}_buffer has been done in the wrong way. sg_copy_to_buffer is a copy from an SG list to a linear buffer so it can't replace memcpy(dest, host->virt_base, data->sg->length) where dest is the virtual address of the SG. Same for sg_copy_from_buffer but in the opposite way. Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com> Suggested-by: Douglas Gilbert <dgilbert@interlog.com> Fixes: 53d7e098ba08 ("mmc: android-goldfish: use sg_copy_{from,to}_buffer") Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: android-goldfish: use sg_copy_{from,to}_bufferChristoph Hellwig2018-05-211-4/+4
| | | | | | | This handles highmem pages, and also cleans up the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: android-goldfish: remove duplicate includesPravin Shedge2017-12-181-2/+0
| | | | | | | | These duplicate includes have been found with scripts/checkincludes.pl but they have been removed manually to avoid removing false positives. Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: android-goldfish: remove logically dead code in goldfish_mmc_irq()Gustavo A. R. Silva2017-08-301-6/+2
| | | | | | | | | | | Local variable transfer_error is assigned to a constant value and it is never updated again. Remove this variable and the dead code it guards. Addresses-Coverity-ID: 1222110 Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* mmc: use new core function mmc_get_dma_dirHeiner Kallweit2017-04-241-8/+2
| | | | | | | Use new core function mmc_get_dma_dir(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* Replace <asm/uaccess.h> with <linux/uaccess.h> globallyLinus Torvalds2016-12-241-1/+1
| | | | | | | | | | | | | This was entirely automated, using the script by Al: PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>' sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \ $(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h) to do the replacement at the end of the merge window. Requested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mmc: android-goldfish: remove incorrect __iomem annotationChristoph Hellwig2015-09-011-1/+1
| | | | | | | | | | Make sparse happy: drivers/mmc/host/android-goldfish.c:535:56: sparse: incorrect type in argument 3 (different address spaces) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
* remove <asm/scatterlist.h>Christoph Hellwig2015-05-051-1/+1
| | | | | | | | We don't have any arch specific scatterlist now that parisc switched over to the generic one. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
* mmc: remove unnecessary platform_set_drvdata()Jingoo Han2013-05-261-2/+0
| | | | | | | | | | | | | | | | | | The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d (device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Sonic Zhang <sonic.zhang@analog.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Tony Prisk <linux@prisktech.co.nz> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: android-goldfish: use resource_size()Silviu-Mihai Popescu2013-03-221-1/+1
| | | | | | | | Use resource_size() instead of explicit calculation. This was found via make coccicheck. Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: goldfish: emulated MMC deviceMike Lockwood2013-02-241-0/+570
This driver handles the virtual MMC device present in the Goldfish emulator. The patch folds together initial work from Mike Lockwood and patches by San Mehat, Jun Nakajima and Tom Keel <thomas.keel@intel.com> plus cleanups by Alan Cox to get it all into 3.6 shape. Signed-off-by: Mike A. Chan <mikechan@google.com> [cleaned up and x86 support added] Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com> Signed-off-by: Xiaohui Xin <xiaohui.xin@intel.com> Signed-off-by: Jun Nakajima <jun.nakajima@intel.com> Signed-off-by: Bruce Beare <bruce.j.beare@intel.com> [Moved to 3.4] Signed-off-by: Tom Keel <thomas.keel@intel.com> [Moved to 3.7] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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