diff options
Diffstat (limited to 'drivers/mmc/core/mmc_ops.c')
| -rw-r--r-- | drivers/mmc/core/mmc_ops.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 973756ed4016..0c54858e89c0 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -435,7 +435,7 @@ static int mmc_busy_cb(void *cb_data, bool *busy) u32 status = 0; int err; - if (host->ops->card_busy) { + if (data->busy_cmd != MMC_BUSY_IO && host->ops->card_busy) { *busy = host->ops->card_busy(host); return 0; } @@ -457,6 +457,7 @@ static int mmc_busy_cb(void *cb_data, bool *busy) break; case MMC_BUSY_HPI: case MMC_BUSY_EXTR_SINGLE: + case MMC_BUSY_IO: break; default: err = -EINVAL; @@ -509,6 +510,7 @@ int __mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms, return 0; } +EXPORT_SYMBOL_GPL(__mmc_poll_for_busy); int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms, bool retry_crc_err, enum mmc_busy_cmd busy_cmd) @@ -521,6 +523,7 @@ int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms, return __mmc_poll_for_busy(card, timeout_ms, &mmc_busy_cb, &cb_data); } +EXPORT_SYMBOL_GPL(mmc_poll_for_busy); bool mmc_prepare_busy_cmd(struct mmc_host *host, struct mmc_command *cmd, unsigned int timeout_ms) @@ -956,8 +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); |