GCC can't see the 'constant' properly as computed by
is_power_of_2() etc.
Signed-off-by: David S. Miller <davem@davemloft.net>
static inline u32 vio_dring_avail(struct vio_dring_state *dr,
unsigned int ring_size)
{
static inline u32 vio_dring_avail(struct vio_dring_state *dr,
unsigned int ring_size)
{
- BUILD_BUG_ON(!is_power_of_2(ring_size));
-
return (dr->pending -
((dr->prod - dr->cons) & (ring_size - 1)));
}
return (dr->pending -
((dr->prod - dr->cons) & (ring_size - 1)));
}