diff options
Diffstat (limited to 'include/usb/usb.h')
| -rw-r--r-- | include/usb/usb.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/usb/usb.h b/include/usb/usb.h index 296e4e8ea8..8691400014 100644 --- a/include/usb/usb.h +++ b/include/usb/usb.h @@ -270,12 +270,14 @@ void usb_rescan(void); ((x_ & 0xFF000000UL) >> 24)); \ }) -#if __BYTE_ORDER == __LITTLE_ENDIAN +#ifdef __LITTLE_ENDIAN # define swap_16(x) (x) # define swap_32(x) (x) -#else +#elif defined BIG_ENDIAN # define swap_16(x) __swap_16(x) # define swap_32(x) __swap_32(x) +#else +#error "could not determine byte order" #endif /* |