diff options
| -rw-r--r-- | sys/include/sys/mmio.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/include/sys/mmio.h b/sys/include/sys/mmio.h index 75f834b..8e3db52 100644 --- a/sys/include/sys/mmio.h +++ b/sys/include/sys/mmio.h @@ -52,10 +52,13 @@ static inline void \ mmio_write##SUFFIX(void *addr, TYPE val) \ { \ - if (addr < VM_HIGHER_HALF) { \ - addr += VM_HIGHER_HALF; \ + uintptr_t tmp; \ + \ + tmp = (uintptr_t)addr; \ + if (tmp < VM_HIGHER_HALF) { \ + tmp += VM_HIGHER_HALF; \ } \ - *(volatile TYPE *)addr = val; \ + *(volatile TYPE *)tmp = val; \ } /* |