[SPARC64]: Massively simplify VIO device layer and support hot add/remove.

Create and destroy VIO devices in response to MD update events.  These
run synchronously inside of the MD update mutex so the VIO layer
doesn't need to do internal locking of any sort.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-sparc64/vio.h b/include/asm-sparc64/vio.h
index 83c96422e9d6..c0a8d4ed5bcb 100644
--- a/include/asm-sparc64/vio.h
+++ b/include/asm-sparc64/vio.h
@@ -264,7 +264,7 @@ static inline u32 vio_dring_avail(struct vio_dring_state *dr,
                 ((dr->prod - dr->cons) & (ring_size - 1)));
 }
 
-#define VIO_MAX_TYPE_LEN        64
+#define VIO_MAX_TYPE_LEN        32
 #define VIO_MAX_COMPAT_LEN      64
 
 struct vio_dev {