mmc: add the debug message in mmc_set_clock

Add the debug message for checking the mmc clock status.
It's helpful to debug the controlling clock.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 29971a5047c9c31a8076aa2e64fcb7c0665a4fc8..a08c69476ca8395ac301ac4731309974ad3e8aaf 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1506,6 +1506,8 @@ int mmc_set_clock(struct mmc *mmc, uint clock, bool disable)
        mmc->clock = clock;
        mmc->clk_disable = disable;
 
+       debug("clock is %s (%dHz)\n", disable ? "disabled" : "enabled", clock);
+
        return mmc_set_ios(mmc);
 }