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authorJaehoon Chung <jh80.chung@samsung.com>2012-05-31 20:31:47 +0900
committerChris Ball <cjb@laptop.org>2012-06-06 09:49:47 -0400
commit85e727edb963459d13cdd9ce84c335d251a005a7 (patch)
treecfa8fe464a986f5e490ce4dd3537a3b5f3629a5d /drivers
parentebbe6f889f36d35f4d1757ba2ecc0af6150bf12b (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/core/mmc.c2
-rw-r--r--drivers/mmc/core/sd.c6
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 2d4a4b74675..258b203397a 100644
--- 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 c272c6868ec..b2b43f624b9 100644
--- 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;
}
/*