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-rw-r--r--target/linux/rb532-2.6/files/drivers/net/korina.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/target/linux/rb532-2.6/files/drivers/net/korina.c b/target/linux/rb532-2.6/files/drivers/net/korina.c
index 3a22339b4..6dce2b921 100644
--- a/target/linux/rb532-2.6/files/drivers/net/korina.c
+++ b/target/linux/rb532-2.6/files/drivers/net/korina.c
@@ -473,8 +473,10 @@ static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev)
lp->tx_skb[lp->tx_chain_tail] = skb;
length = skb->len;
+ dma_cache_wback((u32)skb->data, skb->len);
/* Setup the transmit descriptor. */
+ dma_cache_inv((u32) td, sizeof(*td));
td->ca = CPHYSADDR(skb->data);
if(__raw_readl(&(lp->tx_dma_regs->dmandptr)) == 0) {
@@ -507,6 +509,7 @@ static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev)
lp->tx_chain_tail = (lp->tx_chain_tail + 1) & RC32434_TDS_MASK; /* Move tail */
}
}
+ dma_cache_wback((u32) td, sizeof(*td));
dev->trans_start = jiffies;
@@ -675,7 +678,8 @@ static void rc32434_rx_tasklet(unsigned long rx_data_dev)
unsigned long flags;
spin_lock_irqsave(&lp->lock, flags);
#endif
-
+
+ dma_cache_inv((u32)rd, sizeof(*rd));
while ( (count = RC32434_RBSIZE - (u32)DMA_COUNT(rd->control)) != 0) {
#ifdef CONFIG_IDT_USE_NAPI
if(--rx_work_limit <0)
@@ -789,6 +793,7 @@ static void rc32434_rx_tasklet(unsigned long rx_data_dev)
lp->rd_ring[(lp->rx_next_done-1)& RC32434_RDS_MASK].control &= ~(DMAD_cod_m);
lp->rx_next_done = (lp->rx_next_done + 1) & RC32434_RDS_MASK;
+ dma_cache_wback((u32)rd, sizeof(*rd));
rd = &lp->rd_ring[lp->rx_next_done];
__raw_writel( ~DMAS_d_m, &lp->rx_dma_regs->dmas);
}
@@ -809,6 +814,7 @@ static void rc32434_rx_tasklet(unsigned long rx_data_dev)
rd->devcs = 0;
skb = lp->rx_skb[lp->rx_next_done];
rd->ca = CPHYSADDR(skb->data);
+ dma_cache_wback((u32)rd, sizeof(*rd));
rc32434_chain_rx(lp,rd);
}