[PATCH] via-rhine: execute bounce buffers code on Rhine-I only

Patch suggested by Yang Wu (pin xue <pinxue@gmail.com>).

Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index a9b2150909d6..53dfc8c7525b 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -469,7 +469,7 @@ struct rhine_private {
         struct sk_buff *tx_skbuff[TX_RING_SIZE];
         dma_addr_t tx_skbuff_dma[TX_RING_SIZE];
 
-        /* Tx bounce buffers */
+        /* Tx bounce buffers (Rhine-I only) */
         unsigned char *tx_buf[TX_RING_SIZE];
         unsigned char *tx_bufs;
         dma_addr_t tx_bufs_dma;
@@ -1043,7 +1043,8 @@ static void alloc_tbufs(struct net_device* dev)
                 rp->tx_ring[i].desc_length = cpu_to_le32(TXDESC);
                 next += sizeof(struct tx_desc);
                 rp->tx_ring[i].next_desc = cpu_to_le32(next);
-                rp->tx_buf[i] = &rp->tx_bufs[i * PKT_BUF_SZ];
+                if (rp->quirks & rqRhineI)
+                        rp->tx_buf[i] = &rp->tx_bufs[i * PKT_BUF_SZ];
         }
         rp->tx_ring[i-1].next_desc = cpu_to_le32(rp->tx_ring_dma);