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

Commit Message

Jaehoon Chung April 22, 2013, 5:02 a.m. UTC

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 <[e-mail]>
Signed-off-by: Kyungmin Park <[e-mail]>
---
 drivers/mmc/host/sdhci-s3c.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Patch

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 8cd966d..317bde2 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -298,8 +298,11 @@  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);