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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2014-06-10 09:40:24 +0900
committerDavid S. Miller <davem@davemloft.net>2014-06-11 15:15:31 -0700
commit1b72a0fc9c308d9f3255c177945cf383c3c82b0e (patch)
tree45da1ff04a2cb00ed47220e7fc7b263a0fe98c60 /drivers/net
parent4f809cea611f1f00a0b7a42751cb12d997a4c11c (diff)
downloadlinux-next-1b72a0fc9c308d9f3255c177945cf383c3c82b0e.tar.gz
net: sh_eth: Fix timing of RACT setting in sh_eth_rx()
This patch fixes an issue that we cannot use nfs rootfs correctly on r8a7790 when the command below runs on a host PC. $ sudo ping -f -l 8 $BOARD_IP_ADDR Since the driver sets the RACT to 1 in the first while loop of sh_eth_rx(), the controller accepts a next frame into the next RX descriptor during the while loop. But, in the first while loop doesn't allocate a next skb. So, this patch removes the RACT setting in the first while loop of sh_eth_rx(). Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 606dabdb9742..7622213beef1 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1460,7 +1460,6 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
ndev->stats.rx_packets++;
ndev->stats.rx_bytes += pkt_len;
}
- rxdesc->status |= cpu_to_edmac(mdp, RD_RACT);
entry = (++mdp->cur_rx) % mdp->num_rx_ring;
rxdesc = &mdp->rx_ring[entry];
}