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Subject[PATCH stable 4.9 2/3] mmc: block: Use generic_cmd6_time when modifying INAND_CMD38_ARG_EXT_CSD
Date
From: Ulf Hansson <ulf.hansson@linaro.org>

commit ad91619aa9d78ab1c6d4a969c3db68bc331ae76c upstream

The INAND_CMD38_ARG_EXT_CSD is a vendor specific EXT_CSD register, which is
used to prepare an erase/trim operation. However, it doesn't make sense to
use a timeout of 10 minutes while updating the register, which becomes the
case when the timeout_ms argument for mmc_switch() is set to zero.

Instead, let's use the generic_cmd6_time, as that seems like a reasonable
timeout to use for these cases.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20200122142747.5690-3-ulf.hansson@linaro.org
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/mmc/card/block.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 709a872ed484..7b8c72a07900 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1192,7 +1192,7 @@ static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
arg == MMC_TRIM_ARG ?
INAND_CMD38_ARG_TRIM :
INAND_CMD38_ARG_ERASE,
- 0);
+ card->ext_csd.generic_cmd6_time);
if (err)
goto out;
}
@@ -1235,7 +1235,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
arg == MMC_SECURE_TRIM1_ARG ?
INAND_CMD38_ARG_SECTRIM1 :
INAND_CMD38_ARG_SECERASE,
- 0);
+ card->ext_csd.generic_cmd6_time);
if (err)
goto out_retry;
}
@@ -1251,7 +1251,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
INAND_CMD38_ARG_EXT_CSD,
INAND_CMD38_ARG_SECTRIM2,
- 0);
+ card->ext_csd.generic_cmd6_time);
if (err)
goto out_retry;
}
--
2.25.1
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