diff options
| -rw-r--r-- | include/asm-sparc64/vio.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-sparc64/vio.h b/include/asm-sparc64/vio.h index f7417e91b17..d4de32f0f8a 100644 --- a/include/asm-sparc64/vio.h +++ b/include/asm-sparc64/vio.h @@ -8,6 +8,7 @@ #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/list.h> +#include <linux/log2.h> #include <asm/ldc.h> #include <asm/mdesc.h> @@ -257,8 +258,7 @@ static inline void *vio_dring_entry(struct vio_dring_state *dr, static inline u32 vio_dring_avail(struct vio_dring_state *dr, unsigned int ring_size) { - /* Ensure build-time power-of-2. */ - BUILD_BUG_ON(ring_size & (ring_size - 1)); + BUILD_BUG_ON(!is_power_of_2(ring_size)); return (dr->pending - ((dr->prod - dr->cons) & (ring_size - 1))); |