do not overwrite ENET_CTL_REG, fixes ethernet on bcm6338

SVN-Revision: 20765
This commit is contained in:
Florian Fainelli 2010-04-09 18:43:36 +00:00
parent 6139571932
commit b87e590b24
2 changed files with 26 additions and 0 deletions

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@ -0,0 +1,13 @@
--- linux-2.6.32.10.orig/drivers/net/bcm63xx_enet.c 2010-04-06 19:25:52.612158288 +0100
+++ linux-2.6.32.10/drivers/net/bcm63xx_enet.c 2010-04-07 21:40:26.991801424 +0100
@@ -965,7 +965,9 @@
/* 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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@ -0,0 +1,13 @@
--- linux-2.6.32.10.orig/drivers/net/bcm63xx_enet.c 2010-04-06 19:25:52.612158288 +0100
+++ linux-2.6.32.10/drivers/net/bcm63xx_enet.c 2010-04-07 21:40:26.991801424 +0100
@@ -965,7 +965,9 @@
/* 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));