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bsp/mpc55xx: Avoid integer overflow

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This commit is contained in:
Sebastian Huber
2013-07-02 15:14:51 +02:00
parent c97d3dd42b
commit d91d50f638
1 changed files with 2 additions and 2 deletions
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4
c/src/lib/libbsp/powerpc/mpc55xxevb/startup/get-system-clock.c
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@@ -63,8 +63,8 @@ uint32_t mpc55xx_get_system_clock(void)
uint32_t emfd = esyncr1.B.EMFD; uint32_t emfd = esyncr1.B.EMFD;
uint32_t erfd = esyncr2.B.ERFD; uint32_t erfd = esyncr2.B.ERFD;
system_clock = (reference_clock * (emfd + 16)) system_clock = ((reference_clock / (eprediv + 1)) * (emfd + 16))
/ ((erfd + 1) * (eprediv + 1)); / (erfd + 1);
} else { } else {
system_clock = reference_clock; system_clock = reference_clock;
} }