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path: root/drivers/net/ethernet/cadence/macb.c
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Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
-rw-r--r--drivers/net/ethernet/cadence/macb.c53
1 files changed, 40 insertions, 13 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index e866608..9257869 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -27,6 +27,7 @@
#include <linux/phy.h>
#include <linux/of.h>
#include <linux/of_device.h>
+#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/pinctrl/consumer.h>
@@ -124,7 +125,7 @@ void macb_get_hwaddr(struct macb *bp)
u8 addr[6];
int i;
- pdata = bp->pdev->dev.platform_data;
+ pdata = dev_get_platdata(&bp->pdev->dev);
/* Check all 4 address register for vaild address */
for (i = 0; i < 4; i++) {
@@ -275,7 +276,7 @@ static int macb_mii_probe(struct net_device *dev)
phydev = phy_find_first(bp->mii_bus);
if (!phydev) {
netdev_err(dev, "no PHY found\n");
- return -1;
+ return -ENXIO;
}
pdata = dev_get_platdata(&bp->pdev->dev);
@@ -314,6 +315,7 @@ static int macb_mii_probe(struct net_device *dev)
int macb_mii_init(struct macb *bp)
{
struct macb_platform_data *pdata;
+ struct device_node *np;
int err = -ENXIO, i;
/* Enable management port */
@@ -333,10 +335,7 @@ int macb_mii_init(struct macb *bp)
bp->pdev->name, bp->pdev->id);
bp->mii_bus->priv = bp;
bp->mii_bus->parent = &bp->dev->dev;
- pdata = bp->pdev->dev.platform_data;
-
- if (pdata)
- bp->mii_bus->phy_mask = pdata->phy_mask;
+ pdata = dev_get_platdata(&bp->pdev->dev);
bp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
if (!bp->mii_bus->irq) {
@@ -344,17 +343,45 @@ int macb_mii_init(struct macb *bp)
goto err_out_free_mdiobus;
}
- for (i = 0; i < PHY_MAX_ADDR; i++)
- bp->mii_bus->irq[i] = PHY_POLL;
-
dev_set_drvdata(&bp->dev->dev, bp->mii_bus);
- if (mdiobus_register(bp->mii_bus))
+ np = bp->pdev->dev.of_node;
+ if (np) {
+ /* try dt phy registration */
+ err = of_mdiobus_register(bp->mii_bus, np);
+
+ /* fallback to standard phy registration if no phy were
+ found during dt phy registration */
+ if (!err && !phy_find_first(bp->mii_bus)) {
+ for (i = 0; i < PHY_MAX_ADDR; i++) {
+ struct phy_device *phydev;
+
+ phydev = mdiobus_scan(bp->mii_bus, i);
+ if (IS_ERR(phydev)) {
+ err = PTR_ERR(phydev);
+ break;
+ }
+ }
+
+ if (err)
+ goto err_out_unregister_bus;
+ }
+ } else {
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ bp->mii_bus->irq[i] = PHY_POLL;
+
+ if (pdata)
+ bp->mii_bus->phy_mask = pdata->phy_mask;
+
+ err = mdiobus_register(bp->mii_bus);
+ }
+
+ if (err)
goto err_out_free_mdio_irq;
- if (macb_mii_probe(bp->dev) != 0) {
+ err = macb_mii_probe(bp->dev);
+ if (err)
goto err_out_unregister_bus;
- }
return 0;
@@ -1824,7 +1851,7 @@ static int __init macb_probe(struct platform_device *pdev)
err = of_get_phy_mode(pdev->dev.of_node);
if (err < 0) {
- pdata = pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
if (pdata && pdata->is_rmii)
bp->phy_interface = PHY_INTERFACE_MODE_RMII;
else
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