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path: root/drivers/mmc/card
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2011-05-26mmc: core: Block CMD23 support for UHS104/SDXC cards.Andrei Warkentin1-3/+6
SD cards operating at UHS104 or better support SET_BLOCK_COUNT. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Reviewed-by: Arindam Nath <arindam.nath@amd.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-26mmc: core: Use CMD23 for multiblock transfers when we can.Andrei Warkentin1-29/+79
CMD23-prefixed instead of open-ended multiblock transfers have a performance advantage on some MMC cards. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: mmc_test: minor clean up, use t = &test.area everywhereAndy Shevchenko1-31/+44
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: card: fix potential null dereference of 'idata'Vladimir Motyka1-5/+6
When allocation of idata failed there was a null dereference. Also avoid calling kfree where it isn't needed. Signed-off-by: Vladimir Motyka <vladimir.motyka@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: core: Add mmc CMD+ACMD passthrough ioctlJohn Calixto1-0/+201
Allows appropriately-privileged applications to send CMD (normal) and ACMD (application-specific; preceded with CMD55) commands to cards/devices on the mmc bus. This is primarily useful for enabling the security functionality built in to every SD card. It can also be used as a generic passthrough (e.g. to enable virtual machines to control mmc bus devices directly). However, this use case has not been tested rigorously. Generic passthrough testing was only conducted for a few non-security opcodes to prove the feasibility of the passthrough. Since any opcode can be sent using this passthrough, it is very possible to render the card/device unusable. Applications that use this ioctl must have CAP_SYS_RAWIO. Security commands tested on TI PCIxx12 (SDHCI), Sigma Designs SMP8652 SoC, TI OMAP3621/OMAP3630 SoC, Samsung S5PC110 SoC, Qualcomm MSM7200A SoC. Signed-off-by: John Calixto <john.calixto@modsystems.com> Reviewed-by: Andrei Warkentin <andreiw@motorola.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: block: init force_ro sysfs attributeRabin Vincent1-0/+1
To avoid lockdep warnings: BUG: key dc90a520 not in .data! ------------[ cut here ]------------ WARNING: at /home/rabin/kernel/arm/kernel/lockdep.c:2701 sysfs_add_file_mode+0x4c/0xb0() Modules linked in: [<c004b5d8>] (unwind_backtrace+0x0/0xe4) from [<c0074f20>] (warn_slowpath_common+0x4c/0x64) [<c0074f20>] (warn_slowpath_common+0x4c/0x64) from [<c0074f50>] (warn_slowpath_null+0x18/0x1c) [<c0074f50>] (warn_slowpath_null+0x18/0x1c) from [<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0) [<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0) from [<c02d61e4>] (mmc_add_disk+0x40/0x64) [<c02d61e4>] (mmc_add_disk+0x40/0x64) from [<c02d64cc>] (mmc_blk_probe+0x188/0x1fc) [<c02d64cc>] (mmc_blk_probe+0x188/0x1fc) from [<c02ce820>] (mmc_bus_probe+0x14/0x18) ... Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: Ensure hardware partitions don't mess with mmcblk device naming.Andrei Warkentin1-7/+19
With the hardware partitions support (which represent additional logical devices present on MMC), devidx does not correspond with index used to form /dev/mmcblkX names. So use an additional allocated index for device names. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: initialize struct mmc_request at declaration timeChris Ball2-12/+4
Converts from: struct mmc_request mrq; memset(&mrq, 0, sizeof(struct mmc_request)); to: struct mmc_request mrq = {0}; because it's shorter, as performant, and easier to work out whether initialization has happened. Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: initialize struct mmc_data at declaration timeChris Ball2-9/+4
Converts from: struct mmc_data data; memset(&data, 0, sizeof(struct mmc_data)); to: struct mmc_data data = {0}; because it's shorter, as performant, and easier to work out whether initialization has happened. Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: initialize struct mmc_command at declaration timeChris Ball2-22/+11
Converts from: struct mmc_command cmd; memset(&cmd, 0, sizeof(struct mmc_command)); to: struct mmc_command cmd = {0}; because it's shorter, as performant, and easier to work out whether initialization has happened. Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: card: Fix use of uninitialized data in mmc_blk_issue_rw_rq.Chris Ball1-0/+1
mmc_blk_issue_rw_rq did not zero out mmc_command on stack. Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: quirks: Fix erase/trim for certain SanDisk cards.Andrei Warkentin1-1/+42
CMD38 argument is passed through EXT_CSD[113]. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: quirks: Support for block quirks.Andrei Warkentin1-0/+7
Block quirks implemented using core/quirks.c support. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: MMC boot partitions support.Andrei Warkentin1-35/+239
Allows device MMC boot partitions to be accessed. MMC partitions are treated effectively as separate block devices on the same MMC card. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: card: block.c cleanup for host claim/release.Andrei Warkentin1-18/+13
Move host claim/release into mmc_blk_issue_rq. (This is helpful so that selecting partition only has to happen in one place for these commands.) Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: Reliable write support.Andrei Warkentin1-4/+77
Allows reliable writes to be used for MMC writes. Reliable writes are used to service write REQ_FUA/REQ_META requests. Handles both the legacy and the enhanced reliable write support in MMC cards. Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-05-25mmc: remove redundant irq disablingJohn Ogness1-8/+0
There is no need to disable irq's when using the sg_copy_*_buffer() functions because those functions do that already. There are also no races for the mm_queue struct here that would require the irq's to be disabled before calling sg_copy_*_buffer(). Signed-off-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-31Fix common misspellingsLucas De Marchi1-1/+1
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-25mmc: mmc_test: Remove set-but-unused variable.Chris Ball1-2/+1
Fixes: drivers/mmc/card/mmc_test.c: In function ‘mmc_test_seq_perf’: drivers/mmc/card/mmc_test.c:1878:28: warning: variable ‘ts’ set but not used [-Wunused-but-set-variable] There's no reason to be calling timespec_sub() here, because mmc_test_print_avg_rate() is going to do that itself. Signed-off-by: Chris Ball <cjb@laptop.org> Cc: Adrian Hunter <adrian.hunter@nokia.com>
2011-03-24Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-2/+1
* 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block: (65 commits) Documentation/iostats.txt: bit-size reference etc. cfq-iosched: removing unnecessary think time checking cfq-iosched: Don't clear queue stats when preempt. blk-throttle: Reset group slice when limits are changed blk-cgroup: Only give unaccounted_time under debug cfq-iosched: Don't set active queue in preempt block: fix non-atomic access to genhd inflight structures block: attempt to merge with existing requests on plug flush block: NULL dereference on error path in __blkdev_get() cfq-iosched: Don't update group weights when on service tree fs: assign sb->s_bdi to default_backing_dev_info if the bdi is going away block: Require subsystems to explicitly allocate bio_set integrity mempool jbd2: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging jbd: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging fs: make fsync_buffers_list() plug mm: make generic_writepages() use plugging blk-cgroup: Add unaccounted time to timeslice_used. block: fixup plugging stubs for !CONFIG_BLOCK block: remove obsolete comments for blkdev_issue_zeroout. blktrace: Use rq->cmd_flags directly in blk_add_trace_rq. ... Fix up conflicts in fs/{aio.c,super.c}
2011-03-19Merge branch 'for-linus' of ↵Linus Torvalds3-28/+247
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits) mmc: dw_mmc: support mmc power control with regulator mmc: dw_mmc: fix suspend/resume operation mmc: dw_mmc: add quirks for unreliable card detect, and capabilities mmc: tmio: fix address in kunmap_atomic() calls mmc: core: reset card voltage after power off mmc: core: export function mmc_do_release_host() mmc: sdio: remember new card RCA when redetecting card mmc: dw_mmc: Remove set-but-unused variable. mmc: sdhci-esdhc-imx: add card detect on custom GPIO for mx25/35 mmc: sdhci-esdhc: broken card detection is not a default quirk mmc: sdhci-esdhc-imx: add write protect on custom GPIO on mx25/35 mmc: msm_sdcc: remove needless cache flush after dma_unmap_sg() mmc: sh_mmcif: support aggressive clock gating mmc: check if mmc cards < 2GB do sector addressing mmc: core: comment on why sdio_reset is done at init time mmc: dw_mmc: support DDR mode mmc: via-sdmmc: Remove set-but-unused variable. mmc: cb710: Return err value in cb710_wait_while_busy() mmc: sdhci-pci: Remove set-but-unused variable. mmc: mxs-mmc: add mmc host driver for i.MX23/28 ...
2011-03-15mmc: Improve MMC_TEST config text.Will Newton1-2/+1
The test file is created under debugfs, not sysfs. Also remove the unnecessary default n. Signed-off-by: Will Newton <will.newton@imgtec.com> Reviewed-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-15mmc: mmc_test: add tests to measure large sequential I/O performanceAdrian Hunter1-0/+100
Add two large sequential I/O performance tests: 35. Large sequential read into scattered pages 36. Large sequential write from scattered pages The tests measure transfer times for 10MiB, 100MiB, 1000MiB. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-15mmc: mmc_test: add tests to measure random I/O operations per secondAdrian Hunter1-11/+128
Existing performance tests measure single or sequential I/O speed. Add two random I/O tests: 33. Random read performance by transfer size 34. Random write performance by transfer size Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-15mmc: mmc_test: make performance test area size about 4MiBAdrian Hunter1-12/+13
The test area size was set to the preferred erase size but for comparison purposes it is better if it is the same size for different devices. Make it a multiple of preferred erase size that is greater than or equal to 4MiB. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-15mmc: mmc_test: Only warn about not waiting for busy if it's supportedPawel Moll1-3/+4
If the MMC host controller does not support waiting for card signaling busy state (MMC_CAP_WAIT_WHILE_BUSY cap), there is no point in prining the relevant warning message. Signed-off-by: Pawel Moll <pawel.moll@arm.com> Reviewed-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-15mmc: Fix the block device read only flagMarc-André Hébert1-0/+1
While the MMC handled the card's read only flag correctly on open, it did not setup the flag in the allocated disk structure. The consequence being that probing the /sys/class/block/mmcblkX/ro attribute always reported 0. Signed-off-by: Marc-Andre Hebert <hebert.marcandre@gmail.com> Reviewed-by: Chris Ball <cjb@laptop.org> Tested-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-03-10block: remove per-queue pluggingJens Axboe1-2/+1
Code has been converted over to the new explicit on-stack plugging, and delay users have been converted to use the new API for that. So lets kill off the old plugging along with aops->sync_page(). Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-02-17tiocmset: kill the file pointer argumentAlan Cox1-1/+1
Doing tiocmget was such fun we should do tiocmset as well for the same reasons Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-17tiocmget: kill off the passing of the struct fileAlan Cox1-1/+1
We don't actually need this and it causes problems for internal use of this functionality. Currently there is a single use of the FILE * pointer. That is the serial core which uses it to check tty_hung_up_p. However if that is true then IO_ERROR is also already set so the check may be removed. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-01-13Merge branch 'for-next' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) Documentation/trace/events.txt: Remove obsolete sched_signal_send. writeback: fix global_dirty_limits comment runtime -> real-time ppc: fix comment typo singal -> signal drivers: fix comment typo diable -> disable. m68k: fix comment typo diable -> disable. wireless: comment typo fix diable -> disable. media: comment typo fix diable -> disable. remove doc for obsolete dynamic-printk kernel-parameter remove extraneous 'is' from Documentation/iostats.txt Fix spelling milisec -> ms in snd_ps3 module parameter description Fix spelling mistakes in comments Revert conflicting V4L changes i7core_edac: fix typos in comments mm/rmap.c: fix comment sound, ca0106: Fix assignment to 'channel'. hrtimer: fix a typo in comment init/Kconfig: fix typo anon_inodes: fix wrong function name in comment fix comment typos concerning "consistent" poll: fix a typo in comment ... Fix up trivial conflicts in: - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c) - fs/ext4/ext4.h Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-09mmc: MMC_BLOCK_MINORS should depend on MMC_BLOCK.Chris Ball1-0/+1
Signed-off-by: Chris Ball <cjb@laptop.org> Tested-by: Chris Ball <cjb@laptop.org> Acked-by: Olof Johansson <olof@lixom.net>
2010-11-01tree-wide: fix comment/printk typosUwe Kleine-König1-1/+1
"gadget", "through", "command", "maintain", "maintain", "controller", "address", "between", "initiali[zs]e", "instead", "function", "select", "already", "equal", "access", "management", "hierarchy", "registration", "interest", "relative", "memory", "offset", "already", Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-10-25mmc: make number of mmcblk minors configurableOlof Johansson2-12/+48
The old limit of number of minor numbers per mmcblk device was hardcoded at 8. This isn't enough for some of the more elaborate partitioning schemes, for example those used by Chrome OS. Since there might be a bunch of systems out there with static /dev contents that relies on the old numbering scheme, let's make it a build-time option with the default set to the previous 8. Also provide a boot/modprobe-time parameter to override the config default: mmcblk.perdev_minors. Signed-off-by: Olof Johansson <olof@lixom.net> Cc: Mandeep Baines <msb@chromium.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: name mmc queue thread by host indexEthan Du1-1/+3
Usually there are multiple mmc host controllers; rename mmc queue thread by host index so we can easily identify which controller it belongs to. Signed-off-by: Ethan Du <ethan.too@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: Fixes for Dual Data Rate (DDR) supportAdrian Hunter2-27/+4
The DDR support patch needs the following fixes: - The block driver does not need to know about DDR, any more than it needs to know about bus width. - Not only the card must be switched to DDR mode. The host controller must also be configured, which is done through the 'set_ios()' function. - Do not set the DDR mode state until after the switch command is successful. - Setting block length is not supported in DDR mode. Make that a core function and change the other place it is used (mmc_test) also. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: MMC 4.4 DDR supportHanumath Prasad1-3/+7
Add support for Dual Data Rate MMC cards as defined in the 4.4 specification. Signed-off-by: Hanumath Prasad <hanumath.prasad@stericsson.com> Cc: linux-mmc@vger.kernel.org Acked-by: Linus Walleij <linus.walleij@stericsson.com> Tested-by Zhangfei Gao <zhangfei.gao@marvell.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: Makefile: Fix EXTRA_CFLAGS assignmentmatt mooney1-4/+0
The EXTRA_CFLAGS assignment in mmc/Makefile was not accomplishing anything because this flag only has effect on sources at the same level as the makefile (i.e., per directory). Since card/, core/, and host/ rely on MMC_DEBUG, the subdir-ccflags-y variant seems to be the appropriate choice. Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: fix display of .5 KiBAdrian Hunter1-2/+2
Append .5 to KiB display when there are an odd number of sectors. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: fix memory allocation segment limitsAdrian Hunter1-6/+6
Correctly allocate memory to meet the host controller driver's maximum segment size and count limits. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: move files from sysfs to debugfsAndy Shevchenko1-35/+107
As proposed by Greg K-H it is more logical to keep files for the mmc_test driver under debugfs. Additionally this patch brings seq_file API for show() method. It allows to write unlimited data to the file. Example of usage: # mount -t debugfs none /sys/kernel/debug # modprobe mmc_test [ 581.395843] mmc_test mmc0:0001: Card claimed for testing. # echo 25 > /sys/kernel/debug/mmc0/mmc0\:0001/test [ 604.568542] mmc0: Starting tests of card mmc0:0001... [ 604.582733] mmc0: Test case 25. Best-case read performance into scattered pages... [ 604.923553] mmc0: Transfer of 8192 sectors (4096 KiB) took 0.124664314 seconds (33644 kB/s, 32856 KiB/s) [ 604.933227] mmc0: Result: OK [ 604.936248] mmc0: Tests completed. # cat /sys/kernel/debug/mmc0/mmc0\:0001/test Test 25: 0 1 8192 0.124664314 33644784 Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Greg KH <greg@kroah.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: Chris Ball <cjb@laptop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: collect data and show it via sysfs by demandAndy Shevchenko1-2/+169
Make it possible to get test results via sysfs. It helps to do tests non-interactively. We have the file created under sysfs already and can use it to show test results. Prior to this patch, the "test" file under each card's sysfs node was write-only, and results were obtained by looking at dmesg. This patch improves programmatic access to the test results, making them available by reading back from the same "test" file: [root@host mmc0:e624]# echo 6 > test [root@host mmc0:e624]# cat test Test 6: 2 [cjb@laptop.org: changelog improvements] Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Chris Ball <cjb@laptop.org> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: change simple_strtol() to strict_strtol()Andy Shevchenko1-2/+3
It's better to use strict_strtol() to convert user's input and strictly check it. At least it forbids to interpret wrong input as a 0 and prevents to run all tests. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: use API to check card typeAndy Shevchenko1-1/+1
There are methods to check card type. Let's use them instead of direct checking type bits. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc_test: fix performance tests that go over max_blk_countAdrian Hunter1-48/+135
The host controller driver limits I/O transfers to maximum transfer size, maximum block count, maximum segment size and maximum segment count. The performance tests were not obeying these limits which meant they would not work with some drivers. This patch fixes that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: Convert "mutex" to semaphoreThomas Gleixner1-1/+1
Get rid of init_MUTEX[_LOCKED]() and use sema_init() instead. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mmc@vger.kernel.org Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: rename dev_to_mmc_card() to mmc_dev_to_card()Andy Shevchenko1-1/+1
Global symbols should use their subsystem name in a prefixed fashion. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: make mmc_dev_to_card() macro publicAndy Shevchenko1-3/+1
Conversion from struct device to struct mmc_card is used more than in one place. Due to this it's better to have public macro for such thing. Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: Use snprintf, not sprintf.JiebingLi1-1/+2
Fix an issue found by klockwork. Just paranoia. Signed-off-by: JiebingLi <jiebing.li@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2010-10-23mmc: Remove distinction between hw and phys segmentsMartin K. Petersen1-4/+4
We have deprecated the distinction between hardware and physical segments in the block layer. Consolidate the two limits into one in drivers/mmc/. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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