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net: davinci_emac: Fix incomplete code for getting the phy from device tree 

Looks like the phy_id is never set up beyond getting the phandle.
Note that we can remove the ifdef for phy_node as there is a stub
for of_phy_connec() if CONFIG_OF is not set.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tony Lindgren 2015-01-15 14:45:12 -08:00 committed by David S. Miller
parent 0f5372731d
commit 1d82ffa6ba
1 changed files with 18 additions and 5 deletions
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23
drivers/net/ethernet/ti/davinci_emac.c
View File

@ -62,6 +62,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_mdio.h>
#include <linux/of_irq.h>
#include <linux/of_net.h>
@ -343,9 +344,7 @@ struct emac_priv {
u32 multicast_hash_cnt[EMAC_NUM_MULTICAST_BITS];
u32 rx_addr_type;
const char *phy_id;
#ifdef CONFIG_OF
struct device_node *phy_node;
#endif
struct phy_device *phydev;
spinlock_t lock;
/*platform specific members*/
@ -1603,8 +1602,20 @@ static int emac_dev_open(struct net_device *ndev)
cpdma_ctlr_start(priv->dma);
priv->phydev = NULL;
if (priv->phy_node) {
priv->phydev = of_phy_connect(ndev, priv->phy_node,
&emac_adjust_link, 0, 0);
if (!priv->phydev) {
dev_err(emac_dev, "could not connect to phy %s\n",
priv->phy_node->full_name);
ret = -ENODEV;
goto err;
}
}
/* use the first phy on the bus if pdata did not give us a phy id */
if (!priv->phy_id) {
if (!priv->phydev && !priv->phy_id) {
struct device *phy;
phy = bus_find_device(&mdio_bus_type, NULL, NULL,
@ -1613,7 +1624,7 @@ static int emac_dev_open(struct net_device *ndev)
priv->phy_id = dev_name(phy);
}
if (priv->phy_id && *priv->phy_id) {
if (!priv->phydev && priv->phy_id && *priv->phy_id) {
priv->phydev = phy_connect(ndev, priv->phy_id,
&emac_adjust_link,
PHY_INTERFACE_MODE_MII);
@ -1634,7 +1645,9 @@ static int emac_dev_open(struct net_device *ndev)
"(mii_bus:phy_addr=%s, id=%x)\n",
priv->phydev->drv->name, dev_name(&priv->phydev->dev),
priv->phydev->phy_id);
} else {
}
if (!priv->phydev) {
/* No PHY , fix the link, speed and duplex settings */
dev_notice(emac_dev, "no phy, defaulting to 100/full\n");
priv->link = 1;