smatch reports drivers/clocksource/timer-loongson1-pwm.c:31:1: warning: symbol 'ls1x_timer_lock' was not declared. Should it be static? This variable is only used in its defining file, so it should be static. Signed-off-by: Tom Rix <trix@xxxxxxxxxx> --- drivers/clocksource/timer-loongson1-pwm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-loongson1-pwm.c b/drivers/clocksource/timer-loongson1-pwm.c index 6335fee03017..244d66835508 100644 --- a/drivers/clocksource/timer-loongson1-pwm.c +++ b/drivers/clocksource/timer-loongson1-pwm.c @@ -28,7 +28,7 @@ #define CNTR_WIDTH 24 -DEFINE_RAW_SPINLOCK(ls1x_timer_lock); +static DEFINE_RAW_SPINLOCK(ls1x_timer_lock); struct ls1x_clocksource { void __iomem *reg_base; -- 2.27.0