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Commit 8f11d106 authored by Adrian Hunter's avatar Adrian Hunter Committed by Ulf Hansson
Browse files

mmc: core: Hold re-tuning during erase commands 



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

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent c6dbab9c

drivers/mmc/core/core.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

}