From 9169963d8090288995b19bc8065d305843bad617 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 5 Nov 2012 06:22:22 +0000 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/calxeda/xgmac.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/net/ethernet') diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index 84cd40e4f081..826321910efc 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)) -- cgit v1.2.3-59-g8ed1b