When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control register.
This patch is fixed this problem.
([PATCHv2] mmc: sdhci-s3c: fix teh wrong register value, when clock is disabled)
Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
Changelog v2:
- modified the comment
drivers/mmc/host/sdhci-s3c.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 926aaf6..1572b6a 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -296,9 +296,12 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
unsigned long timeout;
u16 clk = 0;
- /* don't bother if the clock is going off */
- if (clock == 0)
+ /* If the clock is going off, set to 0 at clock control register */
+ if (clock == 0) {
+ sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+ host->clock = clock;
return;
+ }
sdhci_s3c_set_clock(host, clock);
--
1.7.9.5
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