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path: root/drivers/net/ethernet/broadcom/bcm63xx_enet.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bcm63xx_enet.c')
-rw-r--r--drivers/net/ethernet/broadcom/bcm63xx_enet.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index d9346e2ac720..14a59e51db67 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1716,7 +1716,6 @@ static int bcm_enet_probe(struct platform_device *pdev)
struct bcm63xx_enet_platform_data *pd;
struct resource *res_mem, *res_irq, *res_irq_rx, *res_irq_tx;
struct mii_bus *bus;
- const char *clk_name;
int i, ret;
if (!bcm_enet_shared_base[0])
@@ -1751,20 +1750,8 @@ static int bcm_enet_probe(struct platform_device *pdev)
dev->irq = priv->irq = res_irq->start;
priv->irq_rx = res_irq_rx->start;
priv->irq_tx = res_irq_tx->start;
- priv->mac_id = pdev->id;
- /* get rx & tx dma channel id for this mac */
- if (priv->mac_id == 0) {
- priv->rx_chan = 0;
- priv->tx_chan = 1;
- clk_name = "enet0";
- } else {
- priv->rx_chan = 2;
- priv->tx_chan = 3;
- clk_name = "enet1";
- }
-
- priv->mac_clk = devm_clk_get(&pdev->dev, clk_name);
+ priv->mac_clk = devm_clk_get(&pdev->dev, "enet");
if (IS_ERR(priv->mac_clk)) {
ret = PTR_ERR(priv->mac_clk);
goto out;
@@ -1795,9 +1782,11 @@ static int bcm_enet_probe(struct platform_device *pdev)
priv->dma_chan_width = pd->dma_chan_width;
priv->dma_has_sram = pd->dma_has_sram;
priv->dma_desc_shift = pd->dma_desc_shift;
+ priv->rx_chan = pd->rx_chan;
+ priv->tx_chan = pd->tx_chan;
}
- if (priv->mac_id == 0 && priv->has_phy && !priv->use_external_mii) {
+ if (priv->has_phy && !priv->use_external_mii) {
/* using internal PHY, enable clock */
priv->phy_clk = devm_clk_get(&pdev->dev, "ephy");
if (IS_ERR(priv->phy_clk)) {
@@ -1828,7 +1817,7 @@ static int bcm_enet_probe(struct platform_device *pdev)
bus->priv = priv;
bus->read = bcm_enet_mdio_read_phylib;
bus->write = bcm_enet_mdio_write_phylib;
- sprintf(bus->id, "%s-%d", pdev->name, priv->mac_id);
+ sprintf(bus->id, "%s-%d", pdev->name, pdev->id);
/* only probe bus where we think the PHY is, because
* the mdio read operation return 0 instead of 0xffff
@@ -2139,27 +2128,25 @@ static int bcm_enetsw_open(struct net_device *dev)
/* allocate rx dma ring */
size = priv->rx_ring_size * sizeof(struct bcm_enet_desc);
- p = dma_alloc_coherent(kdev, size, &priv->rx_desc_dma, GFP_KERNEL);
+ p = dma_zalloc_coherent(kdev, size, &priv->rx_desc_dma, GFP_KERNEL);
if (!p) {
dev_err(kdev, "cannot allocate rx ring %u\n", size);
ret = -ENOMEM;
goto out_freeirq_tx;
}
- memset(p, 0, size);
priv->rx_desc_alloc_size = size;
priv->rx_desc_cpu = p;
/* allocate tx dma ring */
size = priv->tx_ring_size * sizeof(struct bcm_enet_desc);
- p = dma_alloc_coherent(kdev, size, &priv->tx_desc_dma, GFP_KERNEL);
+ p = dma_zalloc_coherent(kdev, size, &priv->tx_desc_dma, GFP_KERNEL);
if (!p) {
dev_err(kdev, "cannot allocate tx ring\n");
ret = -ENOMEM;
goto out_free_rx_ring;
}
- memset(p, 0, size);
priv->tx_desc_alloc_size = size;
priv->tx_desc_cpu = p;