mmc: block: add fixup of broken CMD23 for Sandisk card
authorYangbo Lu <yangbo.lu@freescale.com>
Fri, 10 Jul 2015 03:44:03 +0000 (11:44 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 17 Aug 2015 09:32:47 +0000 (11:32 +0200)
Some Sandisk cards(such as "SDMB-32" and "SDM032" cards)
can't support CMD23, and would generate CMD timeout. So add
FIX-UP for these two types Sandisk cards.

Error log:
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
end_request: I/O error, dev mmcblk0, sector 0
Buffer I/O error on device mmcblk0, logical block 0
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900

Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/card/block.c

index 50b89abc8428eb86978bf54efb72e8c494897ac1..a58287e574cc81ff21f63be0876cd2edeedc18cf 100644 (file)
@@ -2411,6 +2411,10 @@ static const struct mmc_fixup blk_fixups[] =
         *
         * N.B. This doesn't affect SD cards.
         */
+       MMC_FIXUP("SDMB-32", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc,
+                 MMC_QUIRK_BLK_NO_CMD23),
+       MMC_FIXUP("SDM032", CID_MANFID_SANDISK, CID_OEMID_ANY, add_quirk_mmc,
+                 MMC_QUIRK_BLK_NO_CMD23),
        MMC_FIXUP("MMC08G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,
                  MMC_QUIRK_BLK_NO_CMD23),
        MMC_FIXUP("MMC16G", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,