diff options
| -rw-r--r-- | drivers/mmc/core/mmc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 5700b1cbdfe..f73fceea5db 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -553,6 +553,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * need to tell some cards to go back to the idle * state. We wait 1ms to give cards time to * respond. + * mmc_go_idle is needed for eMMC that are asleep */ mmc_go_idle(host); @@ -900,16 +901,20 @@ static void mmc_detect(struct mmc_host *host) */ static int mmc_suspend(struct mmc_host *host) { + int err = 0; + BUG_ON(!host); BUG_ON(!host->card); mmc_claim_host(host); - if (!mmc_host_is_spi(host)) + if (mmc_card_can_sleep(host)) + err = mmc_card_sleep(host); + else if (!mmc_host_is_spi(host)) mmc_deselect_cards(host); host->card->state &= ~MMC_STATE_HIGHSPEED; mmc_release_host(host); - return 0; + return err; } /* |