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--- a/drivers/net/bcm63xx_enet.c
+++ b/drivers/net/bcm63xx_enet.c
@@ -965,7 +965,9 @@ static int bcm_enet_open(struct net_devi
/* all set, enable mac and interrupts, start dma engine and
* kick rx dma channel */
wmb();
- enet_writel(priv, ENET_CTL_ENABLE_MASK, ENET_CTL_REG);
+ val = enet_readl(priv, ENET_CTL_REG);
+ val |= ENET_CTL_ENABLE_MASK;
+ enet_writel(priv, val, ENET_CTL_REG);
enet_dma_writel(priv, ENETDMA_CFG_EN_MASK, ENETDMA_CFG_REG);
enet_dma_writel(priv, ENETDMA_CHANCFG_EN_MASK,
ENETDMA_CHANCFG_REG(priv->rx_chan));
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