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path: root/drivers/net/ethernet/ti/davinci_emac.c
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Diffstat (limited to 'drivers/net/ethernet/ti/davinci_emac.c')
-rw-r--r--drivers/net/ethernet/ti/davinci_emac.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 4bb561856af5..abceea802ea1 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1385,11 +1385,6 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
return -EOPNOTSUPP;
}
-static int match_first_device(struct device *dev, void *data)
-{
- return !strncmp(dev_name(dev), "davinci_mdio", 12);
-}
-
/**
* emac_dev_open - EMAC device open
* @ndev: The DaVinci EMAC network adapter
@@ -1489,8 +1484,8 @@ static int emac_dev_open(struct net_device *ndev)
/* use the first phy on the bus if pdata did not give us a phy id */
if (!phydev && !priv->phy_id) {
- phy = bus_find_device(&mdio_bus_type, NULL, NULL,
- match_first_device);
+ phy = bus_find_device_by_name(&mdio_bus_type, NULL,
+ "davinci_mdio");
if (phy) {
priv->phy_id = dev_name(phy);
if (!priv->phy_id || !*priv->phy_id)
@@ -1875,10 +1870,17 @@ static int davinci_emac_probe(struct platform_device *pdev)
priv->txchan = cpdma_chan_create(priv->dma, EMAC_DEF_TX_CH,
emac_tx_handler, 0);
+ if (IS_ERR(priv->txchan)) {
+ dev_err(&pdev->dev, "error initializing tx dma channel\n");
+ rc = PTR_ERR(priv->txchan);
+ goto no_cpdma_chan;
+ }
+
priv->rxchan = cpdma_chan_create(priv->dma, EMAC_DEF_RX_CH,
emac_rx_handler, 1);
- if (WARN_ON(!priv->txchan || !priv->rxchan)) {
- rc = -ENOMEM;
+ if (IS_ERR(priv->rxchan)) {
+ dev_err(&pdev->dev, "error initializing rx dma channel\n");
+ rc = PTR_ERR(priv->rxchan);
goto no_cpdma_chan;
}