remove uselss cache invalidations

SVN-Revision: 32472

diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
index 6979d41bc00d06ebbd999b50d58057f8a232b19d..cef67b8dec221341ee4fe46d664e3a38f3bba7d6 100644 (file)
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
+++ b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
@@ -142,26 +142,6 @@ struct nuport_mac_priv {
        u32                     msg_level;
 };
 
-void dcache_invalidate_only(unsigned long start, unsigned long end)
-{
-       asm("\n"
-           "       bic     r0, r0, #31\n"
-           "1:     mcr     p15, 0, r0, c7, c6, 1\n"
-           "       add     r0, r0, #32\n"
-           "       cmp     r0, r1\n" "       blo     1b\n");
-}
-
-void dcache_clean_range(unsigned long start, unsigned long end)
-{
-       asm("\n"
-           "       bic     r0, r0, #31\n"
-           "1:     mcr     p15, 0, r0, c7, c10, 1 @ clean D entry\n"
-           "       add     r0, r0, #32\n"
-           "       cmp     r0, r1\n"
-           "       blo     1b\n" \
-           "       mcr     p15, 0, r0, c7, c10, 4 @ drain WB\n");
-}
-
 static inline int nuport_mac_mii_busy_wait(struct nuport_mac_priv *priv)
 {
        unsigned long curr;
@@ -533,8 +513,6 @@ static int nuport_mac_rx(struct net_device *dev, int limit)
        while (count < limit && !priv->irq_rxskb[priv->cur_rx]) {
                skb = priv->rx_skb[priv->cur_rx];
                len = priv->pkt_len[priv->cur_rx];
-               dcache_invalidate_only(((u32) skb->data),
-                                      ((u32) (skb->data + len + 4)));
 
                /* Remove 2 bytes added by RX buffer shifting */
                len = len - 2;