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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
| commit | f45ac22ae2b8fc5b4c32d9b8d17ea419a8701d89 (patch) | |
| tree | 8e05bccd7b85fc3dd2fbd33ec3286de27e152819 /drivers/rtc/rtc-s3c.c | |
| parent | 79f3b3cb7a2586b319a43a7f29924c6c555e4357 (diff) | |
| parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) | |
Merge commit 'v2.6.29-rc1' into x86/urgent
Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 7a568beba3f..e0d7b999150 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -94,6 +94,9 @@ static int s3c_rtc_setfreq(struct device *dev, int freq) { unsigned int tmp; + if (!is_power_of_2(freq)) + return -EINVAL; + spin_lock_irq(&s3c_rtc_pie_lock); tmp = readb(s3c_rtc_base + S3C2410_TICNT) & S3C2410_TICNT_ENABLE; |