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mmc: core: Issue HPI in case the BKOPS timed out

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If the BKOPS timed out, the card is probably still busy in the
R1_STATE_PRG. Rather than continue as nothing has happened and hitting and
error for the next command being sent, let's try to abort the running BKOPS
by sending a HPI command to get back into R1_STATE_TRAN.

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20210817224208.153652-2-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Bean Huo 2021-08-18 00:42:07 +02:00 committed by Ulf Hansson
parent f6f607070a
commit fe72d08a96
1 changed files with 9 additions and 2 deletions
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11
drivers/mmc/core/mmc_ops.c
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@ -959,8 +959,15 @@ void mmc_run_bkops(struct mmc_card *card)
*/
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BKOPS_START, 1, MMC_BKOPS_TIMEOUT_MS);
if (err)
pr_warn("%s: Error %d starting bkops\n",
/*
* If the BKOPS timed out, the card is probably still busy in the
* R1_STATE_PRG. Rather than continue to wait, let's try to abort
* it with a HPI command to get back into R1_STATE_TRAN.
*/
if (err == -ETIMEDOUT && !mmc_interrupt_hpi(card))
pr_warn("%s: BKOPS aborted\n", mmc_hostname(card->host));
else if (err)
pr_warn("%s: Error %d running bkops\n",
mmc_hostname(card->host), err);
mmc_retune_release(card->host);