clocksource: Use GENMASK_ULL in definition of CLOCKSOURCE_MASK

[karo-tx-linux.git] / include / linux / clocksource.h

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index cfc75848a35d2c58ed85720fcd344fdc2c6f04ad..f2b10d9ebd04e7d49d032b5cb097e7f2ae630e56 100644 (file)
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -120,7 +120,7 @@ struct clocksource {
 #define CLOCK_SOURCE_RESELECT                  0x100
 
 /* simplify initialization of mask field */
-#define CLOCKSOURCE_MASK(bits) (u64)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
+#define CLOCKSOURCE_MASK(bits) GENMASK_ULL((bits) - 1, 0)
 
 static inline u32 clocksource_freq2mult(u32 freq, u32 shift_constant, u64 from)
 {