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authorRob Herring <rob.herring@calxeda.com>2012-11-05 06:22:22 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-11-07 08:51:14 (GMT)
commit9169963d8090288995b19bc8065d305843bad617 (patch)
treee55333052d1c4b638ada1d5ce506dcf73a0784e9 /drivers/net/ethernet/calxeda
parent0ec6d343f7bcf9e0944aa9ff65287b987ec00c0f (diff)
downloadlinux-fsl-qoriq-9169963d8090288995b19bc8065d305843bad617.tar.xz
net: calxedaxgmac: drop some unnecessary register writes
The interrupts have already been cleared, so we don't need to clear them again. Also, we could miss interrupts if they are cleared, but we don't process the packet. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/calxeda')
-rw-r--r--drivers/net/ethernet/calxeda/xgmac.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 84cd40e..8263219 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -846,9 +846,6 @@ static void xgmac_free_dma_desc_rings(struct xgmac_priv *priv)
static void xgmac_tx_complete(struct xgmac_priv *priv)
{
int i;
- void __iomem *ioaddr = priv->base;
-
- writel(DMA_STATUS_TU | DMA_STATUS_NIS, ioaddr + XGMAC_DMA_STATUS);
while (dma_ring_cnt(priv->tx_head, priv->tx_tail, DMA_TX_RING_SZ)) {
unsigned int entry = priv->tx_tail;
@@ -1139,9 +1136,6 @@ static int xgmac_rx(struct xgmac_priv *priv, int limit)
struct sk_buff *skb;
int frame_len;
- writel(DMA_STATUS_RI | DMA_STATUS_NIS,
- priv->base + XGMAC_DMA_STATUS);
-
entry = priv->rx_tail;
p = priv->dma_rx + entry;
if (desc_get_owner(p))