We should wait for data busy here in non-volt-switch state. This may happend when sdio sends CMD53. Signed-off-by: Addy Ke <addy.ke@xxxxxxxxxxxxxx> --- drivers/mmc/host/dw_mmc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index f0d9da5..23507c9 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1076,6 +1076,12 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(slot->mrq); /* + * We should wait for data busy here in non-volt-switch state. + * This may happend when sdio sends CMD53. + */ + dw_mci_wait_busy(slot); + + /* * The check for card presence and queueing of the request must be * atomic, otherwise the card could be removed in between and the * request wouldn't fail until another card was inserted. -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
