diff options
| author | Jaehoon Chung <jh80.chung@samsung.com> | 2013-08-02 18:08:58 +0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-08-30 05:17:15 +0400 |
| commit | 7ef2a5e2f72325fd83c6e1ab76b139ca31c7f8ed (patch) | |
| tree | 831d4750b293236eef2c42e0975af7b59cbc8ac7 /drivers/mmc/host/sdhci-s3c.c | |
| parent | 490104ac597b8b4c858a6a6889a60d8897181baf (diff) | |
| download | linux-7ef2a5e2f72325fd83c6e1ab76b139ca31c7f8ed.tar.xz | |
mmc: sdhci-s3c: fix the wrong register value, when clock is disabled
When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control
register. This patch fixes this problem.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-s3c.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 926aaf6acc67..1572b6a935b9 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); |