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@xxxxxxxxxxxxx>
---
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
