diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/card/block.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index fffa83359c67..813ec83b74c9 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -750,7 +750,7 @@ static int get_card_status(struct mmc_card *card, u32 *status, int retries) } static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms, - struct request *req, int *gen_err) + bool hw_busy_detect, struct request *req, int *gen_err) { unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); int err = 0; @@ -770,6 +770,11 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms, *gen_err = 1; } + /* We may rely on the host hw to handle busy detection.*/ + if ((card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) && + hw_busy_detect) + break; + /* * Timeout if the device never becomes ready for data and never * leaves the program state. @@ -1209,7 +1214,8 @@ static int mmc_blk_err_check(struct mmc_card *card, gen_err = 1; } - err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, req, &gen_err); + err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, false, req, + &gen_err); if (err) return MMC_BLK_CMD_ERR; } |