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| author | Robert P. J. Day <rpjday@crashcourse.ca> | 2007-11-07 02:24:33 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-11-07 02:24:33 -0800 |
| commit | 6f78a19702574008bbd333237380fa85be1c9e5d (patch) | |
| tree | 4f25e2fa7e46d630dd70f5be341d27540cb30126 /include/asm-sparc64/vio.h | |
| parent | 9c969ffe1f1bb349e118a299f76f6bb0bbd6b05a (diff) | |
| download | op-kernel-dev-6f78a19702574008bbd333237380fa85be1c9e5d.zip op-kernel-dev-6f78a19702574008bbd333237380fa85be1c9e5d.tar.gz | |
[SPARC64]: Use "is_power_of_2" macro for simplicity.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/vio.h')
| -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 f7417e9..d4de32f 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))); |
