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[mcs814x] remove uselss cache invalidations
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32472 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -142,26 +142,6 @@ struct nuport_mac_priv {
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u32 msg_level;
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};
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void dcache_invalidate_only(unsigned long start, unsigned long end)
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{
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asm("\n"
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" bic r0, r0, #31\n"
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"1: mcr p15, 0, r0, c7, c6, 1\n"
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" add r0, r0, #32\n"
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" cmp r0, r1\n" " blo 1b\n");
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}
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void dcache_clean_range(unsigned long start, unsigned long end)
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{
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asm("\n"
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" bic r0, r0, #31\n"
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"1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry\n"
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" add r0, r0, #32\n"
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" cmp r0, r1\n"
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" blo 1b\n" \
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" mcr p15, 0, r0, c7, c10, 4 @ drain WB\n");
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}
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static inline int nuport_mac_mii_busy_wait(struct nuport_mac_priv *priv)
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{
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unsigned long curr;
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@ -533,8 +513,6 @@ static int nuport_mac_rx(struct net_device *dev, int limit)
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while (count < limit && !priv->irq_rxskb[priv->cur_rx]) {
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skb = priv->rx_skb[priv->cur_rx];
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len = priv->pkt_len[priv->cur_rx];
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dcache_invalidate_only(((u32) skb->data),
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((u32) (skb->data + len + 4)));
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/* Remove 2 bytes added by RX buffer shifting */
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len = len - 2;
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