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mmc: core: Hold re-tuning during erase commands

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Hold re-tuning during erase commands to prevent
it from conflicting with the sequence of commands.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2015-05-07 13:10:16 +03:00 committed by Ulf Hansson
parent c6dbab9cb5
commit 8f11d1064e
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/core/core.c
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@ -1995,6 +1995,8 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
unsigned long timeout;
int err;
mmc_retune_hold(card->host);
/*
* qty is used to calculate the erase timeout which depends on how many
* erase groups (or allocation units in SD terminology) are affected.
@ -2098,6 +2100,7 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from,
} while (!(cmd.resp[0] & R1_READY_FOR_DATA) ||
(R1_CURRENT_STATE(cmd.resp[0]) == R1_STATE_PRG));
out:
mmc_retune_release(card->host);
return err;
}