From 289aed7022dc9abdfcf4dfe7edc6b3e003884178 Mon Sep 17 00:00:00 2001 From: Alexey Demin Date: Wed, 30 Jan 2008 16:52:27 +0800 Subject: [PATCH] --- yaml --- r: 82693 b: refs/heads/master c: 6e01d1a4b2f7110201e7fe16e561a721d76fab3e h: refs/heads/master i: 82691: 08da5b30d4249668ae1346354e0baf6246a506e8 v: v3 --- [refs] | 2 +- trunk/drivers/net/bfin_mac.c | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 1e078b99eedd..4eba8e194951 100644 --- 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 index f2368b71a720..0a17fb48c55c 100644 --- 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,