---

yaml --- r: 82693 b: refs/heads/master c: 6e01d1a h: refs/heads/master i: 82691: 08da5b3 v: v3
git-mirror · Feb 3, 2008 · 289aed7 · 289aed7
1 parent 42c6e08
commit 289aed7
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 136492b275e0dd02d842b94507d66267d18d341c
+refs/heads/master: 6e01d1a4b2f7110201e7fe16e561a721d76fab3e
diff --git a/trunk/drivers/net/bfin_mac.c b/trunk/drivers/net/bfin_mac.c
@@ -651,6 +651,12 @@ static void bf537mac_rx(struct net_device *dev)
 	current_rx_ptr->skb = new_skb;
 	current_rx_ptr->desc_a.start_addr = (unsigned long)new_skb->data - 2;
 
+	/* Invidate the data cache of skb->data range when it is write back
+	 * cache. It will prevent overwritting the new data from DMA
+	 */
+	blackfin_dcache_invalidate_range((unsigned long)new_skb->head,
+					 (unsigned long)new_skb->end);
+
 	len = (unsigned short)((current_rx_ptr->status.status_word) & RX_FRLEN);
 	skb_put(skb, len);
 	blackfin_dcache_invalidate_range((unsigned long)skb->head,