[PATCH] clocksource/drivers/timer-rtl-otto: Make rttm_cs variable static

[Krzysztof Kozlowski]

File-scope 'rttm_cs' is not used outside of this unit, so make it static
to silence sparse warning:

  timer-rtl-otto.c:228:16: warning: symbol 'rttm_cs' was not declared. Should it be static?

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
---
 drivers/clocksource/timer-rtl-otto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-rtl-otto.c b/drivers/clocksource/timer-rtl-otto.c
index 6113d2fdd4de..dd236a7babee 100644
--- a/drivers/clocksource/timer-rtl-otto.c
+++ b/drivers/clocksource/timer-rtl-otto.c
@@ -225,7 +225,7 @@ static int rttm_enable_clocksource(struct clocksource *cs)
 	return 0;
 }
 
-struct rttm_cs rttm_cs = {
+static struct rttm_cs rttm_cs = {
 	.to = {
 		.flags	= TIMER_OF_BASE | TIMER_OF_CLOCK,
 	},
-- 
2.51.0