mmc: core: Calculate the discard arg only once

In MMC, the discard arg is a read-only ext_csd parameter - set it once
on card init. To be consistent, do that for SD as well even though its
discard arg is always 0x0.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index d0d9f90e7cdf..bd48b28d641b 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -271,6 +271,8 @@ static int mmc_read_ssr(struct mmc_card *card)
                 }
         }
 
+        card->erase_arg = SD_ERASE_ARG;
+
         return 0;
 }