diff options
| author | Guoping Yu <guopingy@codeaurora.org> | 2014-08-06 12:44:55 +0800 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-19 18:35:49 -0700 |
| commit | 2e5975b12aeb6b3cc34ca65edeb742590d7a151a (patch) | |
| tree | b8befdc51c47e58a4dbb14d4112dadaa2a989624 | |
| parent | 708e9f009fd4f10d281c132c509c5f903ec1bd31 (diff) | |
mmc: core: add long read time fixup for certain Samsung eMMC
Certain Samsung eMMC meet multi read timeout, and could not
reponse status CMD anymore after that. Add long read timeout
fixup to resolve it.
Change-Id: Ibeb0e6ab3d889d48fdee91244bec720a6994b907
Signed-off-by: Guoping Yu <guopingy@codeaurora.org>
[venkatg@codeaurora.org: fix trivial merge conflict]
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
| -rw-r--r-- | drivers/mmc/card/block.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 21aa3244029b..9ad1cfded1b6 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -2516,6 +2516,13 @@ static const struct mmc_fixup blk_fixups[] = MMC_QUIRK_LONG_READ_TIME), /* + * Some Samsung MMC cards need longer data read timeout than + * indicated in CSD. + */ + MMC_FIXUP("Q7XSAB", CID_MANFID_SAMSUNG, 0x100, add_quirk_mmc, + MMC_QUIRK_LONG_READ_TIME), + + /* * On these Samsung MoviNAND parts, performing secure erase or * secure trim can result in unrecoverable corruption due to a * firmware bug. |