mmc: add a driver callback for power-cycle

[platform/kernel/u-boot.git] / drivers / mmc / mmc-uclass.c

diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 37c3843..c7a832c 100644 (file)
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -122,6 +122,20 @@ int mmc_set_enhanced_strobe(struct mmc *mmc)
 }
 #endif
 
+int dm_mmc_host_power_cycle(struct udevice *dev)
+{
+       struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+       if (ops->host_power_cycle)
+               return ops->host_power_cycle(dev);
+       return 0;
+}
+
+int mmc_host_power_cycle(struct mmc *mmc)
+{
+       return dm_mmc_host_power_cycle(mmc->dev);
+}
+
 int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
 {
        int val;