* [PATCH 1/4] mmc: sdhci-s3c: fix the wrong register value, when clock is disabled
@ 2013-06-25 1:20 Jaehoon Chung
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From: Jaehoon Chung @ 2013-06-25 1:20 UTC (permalink / raw)
To: linux-mmc; +Cc: 'Chris Ball', Heiko Stübner, Kyungmin Park
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@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
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
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2013-06-25 1:20 [PATCH 1/4] mmc: sdhci-s3c: fix the wrong register value, when clock is disabled Jaehoon Chung
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