mmc: core: return an error on suspend if mmc_deselect_cards fails

When mmc_host is not spi mode, mmc/sd is doing mmc_deselect_cards().
mmc_deselect_cards could be returned error.
If returned error, we can know something wrong when enter suspend.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 2d4a4b7..258b203 100644 (file)
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1326,7 +1326,7 @@ static int mmc_suspend(struct mmc_host *host)
                if (!err)
                        mmc_card_set_sleep(host->card);
        } else if (!mmc_host_is_spi(host))
-               mmc_deselect_cards(host);
+               err = mmc_deselect_cards(host);
        host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
        mmc_release_host(host);
 

diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index c272c68..b2b43f6 100644 (file)
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -1075,16 +1075,18 @@ static void mmc_sd_detect(struct mmc_host *host)
  */
 static int mmc_sd_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))
-               mmc_deselect_cards(host);
+               err = mmc_deselect_cards(host);
        host->card->state &= ~MMC_STATE_HIGHSPEED;
        mmc_release_host(host);
 
-       return 0;
+       return err;
 }
 
 /*