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path: root/drivers/net/fec_mpc52xx_phy.c
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Diffstat (limited to 'drivers/net/fec_mpc52xx_phy.c')
-rw-r--r--drivers/net/fec_mpc52xx_phy.c24
1 files changed, 5 insertions, 19 deletions
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 006f64d9f96..dbaf72cbb23 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -29,15 +29,14 @@ static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id,
int reg, u32 value)
{
struct mpc52xx_fec_mdio_priv *priv = bus->priv;
- struct mpc52xx_fec __iomem *fec;
+ struct mpc52xx_fec __iomem *fec = priv->regs;
int tries = 3;
value |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK;
value |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK;
- fec = priv->regs;
out_be32(&fec->ievent, FEC_IEVENT_MII);
- out_be32(&priv->regs->mii_data, value);
+ out_be32(&fec->mii_data, value);
/* wait for it to finish, this takes about 23 us on lite5200b */
while (!(in_be32(&fec->ievent) & FEC_IEVENT_MII) && --tries)
@@ -47,7 +46,7 @@ static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id,
return -ETIMEDOUT;
return value & FEC_MII_DATA_OP_RD ?
- in_be32(&priv->regs->mii_data) & FEC_MII_DATA_DATAMSK : 0;
+ in_be32(&fec->mii_data) & FEC_MII_DATA_DATAMSK : 0;
}
static int mpc52xx_fec_mdio_read(struct mii_bus *bus, int phy_id, int reg)
@@ -69,9 +68,8 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
struct device_node *np = of->dev.of_node;
struct mii_bus *bus;
struct mpc52xx_fec_mdio_priv *priv;
- struct resource res = {};
+ struct resource res;
int err;
- int i;
bus = mdiobus_alloc();
if (bus == NULL)
@@ -93,7 +91,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
err = of_address_to_resource(np, 0, &res);
if (err)
goto out_free;
- priv->regs = ioremap(res.start, res.end - res.start + 1);
+ priv->regs = ioremap(res.start, resource_size(&res));
if (priv->regs == NULL) {
err = -ENOMEM;
goto out_free;
@@ -118,10 +116,6 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
out_unmap:
iounmap(priv->regs);
out_free:
- for (i=0; i<PHY_MAX_ADDR; i++)
- if (bus->irq[i] != PHY_POLL)
- irq_dispose_mapping(bus->irq[i]);
- kfree(bus->irq);
kfree(priv);
mdiobus_free(bus);
@@ -133,23 +127,16 @@ static int mpc52xx_fec_mdio_remove(struct of_device *of)
struct device *dev = &of->dev;
struct mii_bus *bus = dev_get_drvdata(dev);
struct mpc52xx_fec_mdio_priv *priv = bus->priv;
- int i;
mdiobus_unregister(bus);
dev_set_drvdata(dev, NULL);
-
iounmap(priv->regs);
- for (i=0; i<PHY_MAX_ADDR; i++)
- if (bus->irq[i] != PHY_POLL)
- irq_dispose_mapping(bus->irq[i]);
kfree(priv);
- kfree(bus->irq);
mdiobus_free(bus);
return 0;
}
-
static struct of_device_id mpc52xx_fec_mdio_match[] = {
{ .compatible = "fsl,mpc5200b-mdio", },
{ .compatible = "fsl,mpc5200-mdio", },
@@ -171,5 +158,4 @@ struct of_platform_driver mpc52xx_fec_mdio_driver = {
/* let fec driver call it, since this has to be registered before it */
EXPORT_SYMBOL_GPL(mpc52xx_fec_mdio_driver);
-
MODULE_LICENSE("Dual BSD/GPL");