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authorJisheng Zhang <jszhang@marvell.com>2013-08-26 21:11:57 +0800
committerDavid S. Miller <davem@davemloft.net>2013-08-29 14:54:49 -0400
commit03536cc3ad611f29a35803d37a44414b823135c3 (patch)
tree8e3cd7169ea628ddf9bff945084b9c000ea93d20 /drivers/net/phy
parent4c9d546f6c522f541dfb01e192ab7101eca0053b (diff)
downloadlinux-03536cc3ad611f29a35803d37a44414b823135c3.tar.bz2
net: mdio-sun4i: Convert to devm_* api
Use devm_ioremap_resource instead of of_iomap() and devm_kzalloc() instead of kmalloc() to make cleanup paths simpler. This patch also fixes the resource leak caused by missing corresponding iounamp() of the of_iomap(). Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy')
-rw-r--r--drivers/net/phy/mdio-sun4i.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 7f25e49ae37f..18969b3ad8bb 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -101,6 +101,7 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct mii_bus *bus;
struct sun4i_mdio_data *data;
+ struct resource *res;
int ret, i;
bus = mdiobus_alloc_size(sizeof(*data));
@@ -114,7 +115,8 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(&pdev->dev));
bus->parent = &pdev->dev;
- bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ bus->irq = devm_kzalloc(&pdev->dev, sizeof(int) * PHY_MAX_ADDR,
+ GFP_KERNEL);
if (!bus->irq) {
ret = -ENOMEM;
goto err_out_free_mdiobus;
@@ -124,10 +126,11 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
bus->irq[i] = PHY_POLL;
data = bus->priv;
- data->membase = of_iomap(np, 0);
- if (!data->membase) {
- ret = -ENOMEM;
- goto err_out_free_mdio_irq;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ data->membase = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(data->membase)) {
+ ret = PTR_ERR(data->membase);
+ goto err_out_free_mdiobus;
}
data->regulator = devm_regulator_get(&pdev->dev, "phy");
@@ -139,7 +142,7 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
} else {
ret = regulator_enable(data->regulator);
if (ret)
- goto err_out_free_mdio_irq;
+ goto err_out_free_mdiobus;
}
ret = of_mdiobus_register(bus, np);
@@ -152,8 +155,6 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
err_out_disable_regulator:
regulator_disable(data->regulator);
-err_out_free_mdio_irq:
- kfree(bus->irq);
err_out_free_mdiobus:
mdiobus_free(bus);
return ret;
@@ -164,7 +165,6 @@ static int sun4i_mdio_remove(struct platform_device *pdev)
struct mii_bus *bus = platform_get_drvdata(pdev);
mdiobus_unregister(bus);
- kfree(bus->irq);
mdiobus_free(bus);
return 0;