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Commit 66073d86 authored by Adrian Hunter's avatar Adrian Hunter Committed by Ulf Hansson
Browse files

mmc: core: Hold re-tuning while bkops ongoing 



Hold re-tuning during bkops to prevent
it from conflicting with the busy state.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 8f11d106

drivers/mmc/core/core.c

+6 −0
Original line number Diff line number Diff line
@@ -318,12 +318,15 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) 
		use_busy_signal = false;

	}



	mmc_retune_hold(card->host);



	err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,

			EXT_CSD_BKOPS_START, 1, timeout,

			use_busy_signal, true, false);

	if (err) {

		pr_warn("%s: Error %d starting bkops\n",

			mmc_hostname(card->host), err);

		mmc_retune_release(card->host);

		goto out;

	}
@@ -334,6 +337,8 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) 
	 */

	if (!use_busy_signal)

		mmc_card_set_doing_bkops(card);

	else

		mmc_retune_release(card->host);

out:

	mmc_release_host(card->host);

}
@@ -749,6 +754,7 @@ int mmc_stop_bkops(struct mmc_card *card) 
	 */

	if (!err || (err == -EINVAL)) {

		mmc_card_clr_doing_bkops(card);

		mmc_retune_release(card->host);

		err = 0;

	}