aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mmc/core/mmc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/core/mmc.c')
-rw-r--r--drivers/mmc/core/mmc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 5700b1cbdfec..f73fceea5dbd 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,
553 * need to tell some cards to go back to the idle 553 * need to tell some cards to go back to the idle
554 * state. We wait 1ms to give cards time to 554 * state. We wait 1ms to give cards time to
555 * respond. 555 * respond.
556 * mmc_go_idle is needed for eMMC that are asleep
556 */ 557 */
557 mmc_go_idle(host); 558 mmc_go_idle(host);
558 559
@@ -900,16 +901,20 @@ static void mmc_detect(struct mmc_host *host)
900 */ 901 */
901static int mmc_suspend(struct mmc_host *host) 902static int mmc_suspend(struct mmc_host *host)
902{ 903{
904 int err = 0;
905
903 BUG_ON(!host); 906 BUG_ON(!host);
904 BUG_ON(!host->card); 907 BUG_ON(!host->card);
905 908
906 mmc_claim_host(host); 909 mmc_claim_host(host);
907 if (!mmc_host_is_spi(host)) 910 if (mmc_card_can_sleep(host))
911 err = mmc_card_sleep(host);
912 else if (!mmc_host_is_spi(host))
908 mmc_deselect_cards(host); 913 mmc_deselect_cards(host);
909 host->card->state &= ~MMC_STATE_HIGHSPEED; 914 host->card->state &= ~MMC_STATE_HIGHSPEED;
910 mmc_release_host(host); 915 mmc_release_host(host);
911 916
912 return 0; 917 return err;
913} 918}
914 919
915/* 920/*