mmc: dw_mmc: set to MMC_CAP_ERASE by default
This flag needs to use the trim/discard/erase commands.
dwmmc controller enables this flag by default.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 2dfdc58..32380d5 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2604,6 +2604,12 @@
if (host->pdata->caps)
mmc->caps = host->pdata->caps;
+ /*
+ * Support MMC_CAP_ERASE by default.
+ * It needs to use trim/discard/erase commands.
+ */
+ mmc->caps |= MMC_CAP_ERASE;
+
if (host->pdata->pm_caps)
mmc->pm_caps = host->pdata->pm_caps;