[PATCHv2] mmc: sdhci-s3c: fix the wrong register value when, clock is disabled

[Jaehoon Chung <jh80.chung@samsung.com>]

When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control register.
This patch is fixed this problem.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.co
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
Changelog v2:
- Rebased at the latest mmc tree

 drivers/mmc/host/sdhci-s3c.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 926aaf6..ce71f32 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -297,8 +297,11 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
 	u16 clk = 0;
 
 	/* don't bother if the clock is going off */
-	if (clock == 0)
+	if (clock == 0) {
+		sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+		host->clock = clock;
 		return;
+	}
 
 	sdhci_s3c_set_clock(host, clock);
 
-- 
1.7.9.5