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rtc: mrst: remove set but not used variable 'valid' 

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/rtc/rtc-mrst.c: In function 'mrst_procfs':
drivers/rtc/rtc-mrst.c:264:29: warning:
 variable 'valid' set but not used [-Wunused-but-set-variable]
  unsigned char rtc_control, valid;

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
YueHaibing 2018-08-31 02:15:39 +00:00 committed by Alexandre Belloni
parent ac771ed746
commit de96bc3995
1 changed files with 1 additions and 2 deletions
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3
drivers/rtc/rtc-mrst.c
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@ -261,11 +261,10 @@ static int mrst_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
static int mrst_procfs(struct device *dev, struct seq_file *seq)
{
unsigned char rtc_control, valid;
unsigned char rtc_control;
spin_lock_irq(&rtc_lock);
rtc_control = vrtc_cmos_read(RTC_CONTROL);
valid = vrtc_cmos_read(RTC_VALID);
spin_unlock_irq(&rtc_lock);
seq_printf(seq,