xtimer: fix cppcheck warnings

2017-03-07 16:43:17 +01:00 · 2017-03-07 16:43:17 +01:00 · b2bc244ce9
parent 62ca7f9242
commit b2bc244ce9
1 changed files with 2 additions and 0 deletions
--- a/sys/include/xtimer/implementation.h
+++ b/sys/include/xtimer/implementation.h
@ -51,6 +51,8 @@ static inline uint32_t _xtimer_lltimer_now(void)
 */
 static inline uint32_t _xtimer_lltimer_mask(uint32_t val)
 {
+    /* cppcheck-suppress shiftTooManyBits
+     * (reason: cppcheck bug. `XTIMER_MASK` is zero when `XTIMER_WIDTH` is 32) */
    return val & ~XTIMER_MASK;
 }