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* [PATCH] rtc: m41t80: move m41t80_rtc_mutex to the block where it is used
@ 2018-02-09 18:05 Sebastian Andrzej Siewior
  2018-02-25 20:11 ` Alexandre Belloni
  0 siblings, 1 reply; 2+ messages in thread
From: Sebastian Andrzej Siewior @ 2018-02-09 18:05 UTC (permalink / raw)
  To: linux-rtc; +Cc: Alessandro Zummo, Alexandre Belloni, Sebastian Andrzej Siewior

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(-)

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 */
-- 
2.15.1

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2018-02-09 18:05 [PATCH] rtc: m41t80: move m41t80_rtc_mutex to the block where it is used Sebastian Andrzej Siewior
2018-02-25 20:11 ` Alexandre Belloni

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