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 <[email protected]> --- drivers/mmc/card/block.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c9c3d20..d06b9ab 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2406,6 +2406,10 @@ 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, -- 2.1.0.27.g96db324 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
