rtc: m41t80: move m41t80_rtc_mutex to the block where it is used

Message ID 20180209180534.28925-1-bigeasy@linutronix.de
State New
Headers show
Series
  • rtc: m41t80: move m41t80_rtc_mutex to the block where it is used
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Commit Message

Sebastian Andrzej Siewior Feb. 9, 2018, 6:05 p.m.
Without CONFIG_RTC_DRV_M41T80_WDT the compiler complains:

|drivers/rtc/rtc-m41t80.c:76 ‘m41t80_rtc_mutex’ defined but not used [-Wunused-variable]

Move the variable to the block where it is used.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 drivers/rtc/rtc-m41t80.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index c90fba3ed861..bd268f0d6073 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -73,7 +73,6 @@ 
 #define M41T80_FEATURE_WD	BIT(3)	/* Extra watchdog resolution */
 #define M41T80_FEATURE_SQ_ALT	BIT(4)	/* RSx bits are in reg 4 */
 
-static DEFINE_MUTEX(m41t80_rtc_mutex);
 static const struct i2c_device_id m41t80_id[] = {
 	{ "m41t62", M41T80_FEATURE_SQ | M41T80_FEATURE_SQ_ALT },
 	{ "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD },
@@ -598,6 +597,7 @@  static struct clk *m41t80_sqw_register_clk(struct m41t80_data *m41t80)
  *
  *****************************************************************************
  */
+static DEFINE_MUTEX(m41t80_rtc_mutex);
 static struct i2c_client *save_client;
 
 /* Default margin */