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* mmc: omap_hsmmc: Convert hsmmc driver to use device treeRajendra Nayak2012-03-27
| | | | | | | | | Define dt bindings for the ti-omap-hsmmc, and adapt the driver to extract data (which was earlier passed as platform_data) from device tree. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIOAdrian Hunter2012-03-27
| | | | | | | | SDIO is powered separately from the host controller, so the card can remain on while the host controller is powered off during suspend. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci: add quirk for keeping card power during suspendAdrian Hunter2012-03-27
| | | | | | | | | | Add quirk SDHCI_QUIRK2_HOST_OFF_CARD_ON to cater for the case when the card keeps power during suspend but the host controller does not i.e. the card power is not controlled by the host controller. In that case, the controller must be fully reset on resume. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci-pci: select HC erase size for Medfield eMMCAdrian Hunter2012-03-27
| | | | | Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: core: add high-capacity erase size capability flagAdrian Hunter2012-03-27
| | | | | | | Let drivers specify the use of high-capacity erase size. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: convert all pr_* to dev_*Rajendra Nayak2012-03-27
| | | | | | | | | Convert all instances of pr_* prints within the driver to instead use dev_* prints. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sh_mmcif: fix MMC_GEN_CMD settingShimoda, Yoshihiro2012-03-27
| | | | | | | | The MMC_GEN_CMD (CMD56) doesn't need to check busy signal. So, the patch fixes the setting. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: core: hs200 fixesSubhash Jadavani2012-03-27
| | | | | | | | | | | | | | | | | | | This patch fixes following issues when HS200 is enabled: 1. If executing_tuning() host ops is called without mmc_host_clk_hold(), card clocks might get turned off (if MMC_CLK_GATING is enabled) while execute_tuning() is in progress. So this patch makes sure that execute_tuning() is called with mmc_host_clk_hold(). 2. If host timing mode is set to HS200 mode, there should not be any communication with the card until execute_tuning() is completed. But there is a chance that CMD6 might be sent to enable set HPI_EN (of HPI_MGMT field in EXT_CSD) before execute_tuning() is called. So this patch moves this operation after execute_tuning() is completed. Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Reviewed-by: girish.shivananjappa@linaro.org Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: Fix "Unbalanced pm_runtime_enable!" warningTony Lindgren2012-03-27
| | | | | | | | | | | | Otherwise we can get following warning when re-loading the omap_hsmmc driver module when gpio_twl4030 module is not loaded: omap_hsmmc omap_hsmmc.0: Unbalanced pm_runtime_enable! omap_hsmmc omap_hsmmc.0: Unable to grab MMC CD IRQ omap_hsmmc: probe of omap_hsmmc.0 failed with error -22 Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: core: Clean up after mmc_pre_req if card was removedUlf Hansson2012-03-27
| | | | | | | | | | | | | Make sure mmc_start_req cancels the prepared job, if the request was prevented to be started due to the card has been removed. This bug was introduced in commit: mmc: allow upper layers to know immediately if card has been removed Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Reviewed-by: Per Forlin <per.forlin@stericsson.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: start removing enable / disable APIAdrian Hunter2012-03-27
| | | | | | | | | | Most parts of the enable / disable API are no longer used and can be removed. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Venkatraman S <svenkatr@ti.com> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci-spear: add pm callbacks to support hibernationShiraz Hashim2012-03-27
| | | | | Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: tmio_mmc: do not enable card hotplug interrupts, if unusedGuennadi Liakhovetski2012-03-27
| | | | | | | | | If TMIO MMC is used in polling mode, or the card is non-removable, or card-detection is performed, using an external interrupt, there is no need to enable controller native card hotplug interrupts. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: Don't expect MMC1 to always have vmmc supplyRajendra Nayak2012-03-27
| | | | | | | | | | | | | MMC1 is not the only instance that can be used/wired for SD. So remove this assumption from the driver. Now that all the mmc id based usage is removed, get rid of all the DEVID defines and also the 'id' field from the omap_hsmmc_host structure. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Tested-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: Get rid of omap_hsmmc_4_set_power functionRajendra Nayak2012-03-27
| | | | | | | | | | | | | | | Now that omap_hsmmc_set_power() already has a check to return 0 if !host->vcc, it seems like it can be used even on MMC4 instead of the dummy omap_hsmmc_4_set_power(). This also helps get rid of all the host->id based check to populate the right function for on-chip/external level shifting and use omap_hsmmc_set_power() for all MMC modules. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Tested-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: Get rid of omap_hsmmc_1_set_power functionRajendra Nayak2012-03-27
| | | | | | | | | | | | | | | | Use omap_hsmmc_235_set_poweri() (now renamed as omap_hsmmc_set_power()) for MMC1 instance as well and get rid of omap_hsmmc_1_set_power() completely. omap_hsmmc_235_set_power() seems to be implemented as a superset of omap_hsmmc_1_set_power() with additional functionality implemented based on additional checks and hence should just work for MMC1 as well. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Tested-by: Balaji T K <balajitk@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: Use OMAP_HSMMC_SUPPORTS_DUAL_VOLT flag to remove host->id ↵Balaji T K2012-03-27
| | | | | | | | | | | | based hardcoding Use OMAP_HSMMC_SUPPORTS_DUAL_VOLT flag instead of host->id for identifying SD bus voltage capabilities. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: remove unused .set_sleep functionBalaji T K2012-03-27
| | | | | | | | | set_sleep seems to be unused in omap_hsmmc driver. so get rid of it. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: omap_hsmmc: use platform_get_resource_byname for tx/rx DMA channelsBalaji T K2012-03-27
| | | | | | | | | | | Git rid of hardcoded tx/rx DMA channels based on pdev->id and use platform_get_resource_byname() to retrieve them instead. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: core: Detect card removal on I/O errorUlf Hansson2012-03-27
| | | | | | | | | | | | | | | | | To prevent I/O as soon as possible at card removal, a new detect work is re-scheduled without a delay to let a rescan remove the card device as soon as possible. Additionally, MMC_CAP2_DETECT_ON_ERR can now be used to handle "slowly" removed cards that a scheduled detect work did not detect as removed. To prevent further I/O requests for these lingering removed cards, check if card has been removed and then schedule a detect work to properly remove it. Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: Regression fix for non-IDMAC DMASeungwon Jeon2012-03-27
| | | | | | | | | | | | | | 3ec7699d3bb1b0ee7 ("mmc: dw_mmc: Add support for pre_req and post_req") broke non-IDMAC DMA, because dw_mci_pre_dma_transfer() is valid only if using internal DMA. In case of using other DMA it returns -ENOSYS. It prevents the DMA operations. This patch makes dw_mci_pre_dma_transfer() effective in all DMA cases again. Reported-by: James Hogan <james@albanarts.com> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Namjae Jeon <linkinjeon@gmail.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: fix compile error when CONFIG_MMC_DW_IDMAC is disabledJaehoon Chung2012-03-27
| | | | | | | | | | | | | | | When disable CONFIG_MMC_DW_IDMAC, can see the compiler error. Because in dw_mci_post_req(), called the dw_mci_get_dma_dir(). But that function is in #ifdef CONFIG_MMC_DW_IDMAC. I think that function is generic function. Not need the CONFIG_MMC_DW_IDMAC. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* ARM: OMAP: hsmmc: add max_freq fieldDaniel Mack2012-03-27
| | | | | | | | | | External circuitry like level shifters may limit the maximum operation speed of the hsmmc controller. Add a field to struct omap2_hsmmc_info so boards can adjust the setting on demand. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: atmel-mci: fix typoLudovic Desroches2012-03-27
| | | | | | Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: shift with slot-id for CLKENA registerJaehoon Chung2012-03-25
| | | | | | | | | | In CLKENA register, can support 16-SD card clocks. If support correctly, must shift with slot-id. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: esdhc: Workaround for data crc error on p1010rdbJerry Huang2012-03-25
| | | | | | | | | | | | SD card read was failing (data crc error) on some cards at maximum possible frequency on P1010 (CCB frequency set to 400MHz). Some clock deviations are also observed at this frequency. Hence reduced the mmc clock freq. Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com> Singed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: core: add a debug message for SET_BLOCK_COUNTJaehoon Chung2012-03-25
| | | | | | | | | | | This patch is added just debug message. Almost features need to use the CMD23. But we didn't see the debug message for sbc. If sbc's message can see, should be help for debugging. (We can check whether use the cmd23 or not.) Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: Add support for pre_req and post_reqSeungwon Jeon2012-03-25
| | | | | | | | | | This patch implements pre_req and post_req in dw_mmc to support asynchronous mmc request. 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>
* mmc: sdhci-tegra: Explicitly support Tegra30Stephen Warren2012-03-25
| | | | | | | | | | | | | | | | | Tegra30 differs from Tegra20 in a number of ways. This patch implements a minimal set of differences in order to get the Cardhu board's SD slot and eMMC working. Given the diffs between the mainline sdhci-tegra.c and our downstream versions, I expect we'll eventually need to add many more differences, hence the seemingly heavy-weight addition of the soc_data structure. * Tegra30 doesn't need to override register access to SDHCI_HOST_VERSION or SDHCI_INT_ENABLE. * Tegra30 needs quirk SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: esdhc: Implement power management for ESDHCJerry Huang2012-03-25
| | | | | | | | | | | For FSL ESDHC controllers, when entering sleep the controller will power off, therefore the registers will lose their values, and the driver should save the value of registers during suspend and write them back during resume. Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com> Signed-off-by: Jiang Yutang <b14898@freescale.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: sdhci: Add platform suspend/resume hooks.Chris Ball2012-03-25
| | | | | | | Some platforms require saving/restoring registers across suspend/resume; this hook allows them to do that inside their driver. Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: Override blk_settings with platdata on IDMACJaehoon Chung2012-03-25
| | | | | | | | | | | When use the IDMAC, we can also want to use the pdata->blk-setting. So if pdata->blk-setting is unset, use the default value. if not, use the pdata->blk-setting. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Support of PCI mode in the dw_mmc driverShashidhar Hiremath2012-03-25
| | | | | | | | | | | | Support of PCI mode for the dw_mmc driver. This Patch adds the support for the scenario where the Synopsys Designware IP is present on the PCI bus. The patch adds the minimal modifications necessary for the driver to work on PCI platform. Also added separate files for PCI and PLATFORM modes of operation. Signed-off-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: dw_mmc: add support for eMMC Power Off Notify featureJaehoon Chung2012-03-25
| | | | | | | | | | | This patch adds the capability of power off notify for dw-mmc controller. In order to use Girish's patch: mmc: core: Add Power Off Notify Feature eMMC 4.5 Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: MMC-4.5 Data Tag SupportSaugata Das2012-03-25
| | | | | | | | | | MMC-4.5 data tag feature will be used to store the file system meta-data in the tagged region of eMMC. This will improve the write and subsequent read transfer time for the meta data. Signed-off-by: Saugata Das <saugata.das@linaro.org> Tested-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2012-03-21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs pile 1 from Al Viro: "This is _not_ all; in particular, Miklos' and Jan's stuff is not there yet." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits) ext4: initialization of ext4_li_mtx needs to be done earlier debugfs-related mode_t whack-a-mole hfsplus: add an ioctl to bless files hfsplus: change finder_info to u32 hfsplus: initialise userflags qnx4: new helper - try_extent() qnx4: get rid of qnx4_bread/qnx4_getblk take removal of PF_FORKNOEXEC to flush_old_exec() trim includes in inode.c um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it um: embed ->stub_pages[] into mmu_context gadgetfs: list_for_each_safe() misuse ocfs2: fix leaks on failure exits in module_init ecryptfs: make register_filesystem() the last potential failure exit ntfs: forgets to unregister sysctls on register_filesystem() failure logfs: missing cleanup on register_filesystem() failure jfs: mising cleanup on register_filesystem() failure make configfs_pin_fs() return root dentry on success configfs: configfs_create_dir() has parent dentry in dentry->d_parent configfs: sanitize configfs_create() ...
| * ext4: initialization of ext4_li_mtx needs to be done earlierAl Viro2012-03-20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * debugfs-related mode_t whack-a-moleAl Viro2012-03-20
| | | | | | | | | | | | all of those should be umode_t... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * hfsplus: add an ioctl to bless filesMatthew Garrett2012-03-20
| | | | | | | | | | | | | | | | | | | | | | | | Making an hfsplus partition bootable requires the ability to "bless" a file by putting its inode number in the volume header. Doing this from userspace on a mounted filesystem is impractical since the kernel will write back the original values on unmount. Add an ioctl to allow userspace to update the volume header information based on the target file. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * hfsplus: change finder_info to u32Matthew Garrett2012-03-20
| | | | | | | | | | | | | | | | | | | | The finder_info block in the hfsplus volume header is currently defined as an array of 8 bit values, but TN1150 defines it as being an array of 32 bit values. Fix for convenience. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * hfsplus: initialise userflagsMatthew Garrett2012-03-20
| | | | | | | | | | | | | | | | | | | | The userflags field was being written to the filesystem without being initialised. Make sure it's clear, since otherwise files end up with garbage attributes. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * qnx4: new helper - try_extent()Al Viro2012-03-20
| | | | | | | | | | | | | | checking if an extent is the one we are looking for is done twice in qnx4_block_map(); gather that code into a helper function. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * qnx4: get rid of qnx4_bread/qnx4_getblkAl Viro2012-03-20
| | | | | | | | | | | | | | | | pointless, since the only caller will want the physical block number anyway; might as well call qnx4_block_map() and use sb_bread() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * take removal of PF_FORKNOEXEC to flush_old_exec()Al Viro2012-03-20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * trim includes in inode.cAl Viro2012-03-20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() ↵Al Viro2012-03-20
| | | | | | | | | | | | | | | | doesn't hold it ... while calling uml_dup_mmap() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * um: embed ->stub_pages[] into mmu_contextAl Viro2012-03-20
| | | | | | | | | | | | seriously, kmalloc() for two-element array of pointers? Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * gadgetfs: list_for_each_safe() misuseAl Viro2012-03-20
| | | | | | | | | | | | | | really weirdly spelled "while the list is non-empty, pick its first element, remove it from the list and free it" kind of loop... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ocfs2: fix leaks on failure exits in module_initAl Viro2012-03-20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ecryptfs: make register_filesystem() the last potential failure exitAl Viro2012-03-20
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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