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authorGuenter Roeck <linux@roeck-us.net>2014-04-16 06:16:40 +0400
committerDavid S. Miller <davem@davemloft.net>2014-04-16 23:09:51 +0400
commit78cdb079685cd8365acaf9fce896137e7d60e1c1 (patch)
treec339c7d4df604b318a8cb8b5fa6078a23bcfcad9 /drivers/net/phy/mdio-gpio.c
parentbc383ea52278f1fafd7592ea7faf4b8f1edd8602 (diff)
downloadlinux-78cdb079685cd8365acaf9fce896137e7d60e1c1.tar.xz
net: mdio-gpio: Use devm_ functions where possible
This simplifies error path and deinit/removal functions. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Chris Healy <cphealy@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/mdio-gpio.c')
-rw-r--r--drivers/net/phy/mdio-gpio.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index e701433bf52f..e853066c805a 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -110,7 +110,7 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
struct mdio_gpio_info *bitbang;
int i;
- bitbang = kzalloc(sizeof(*bitbang), GFP_KERNEL);
+ bitbang = devm_kzalloc(dev, sizeof(*bitbang), GFP_KERNEL);
if (!bitbang)
goto out;
@@ -121,7 +121,7 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
new_bus = alloc_mdio_bitbang(&bitbang->ctrl);
if (!new_bus)
- goto out_free_bitbang;
+ goto out;
new_bus->name = "GPIO Bitbanged MDIO",
@@ -138,11 +138,11 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id);
- if (gpio_request(bitbang->mdc, "mdc"))
+ if (devm_gpio_request(dev, bitbang->mdc, "mdc"))
goto out_free_bus;
- if (gpio_request(bitbang->mdio, "mdio"))
- goto out_free_mdc;
+ if (devm_gpio_request(dev, bitbang->mdio, "mdio"))
+ goto out_free_bus;
gpio_direction_output(bitbang->mdc, 0);
@@ -150,12 +150,8 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
return new_bus;
-out_free_mdc:
- gpio_free(bitbang->mdc);
out_free_bus:
free_mdio_bitbang(new_bus);
-out_free_bitbang:
- kfree(bitbang);
out:
return NULL;
}
@@ -163,13 +159,8 @@ out:
static void mdio_gpio_bus_deinit(struct device *dev)
{
struct mii_bus *bus = dev_get_drvdata(dev);
- struct mdio_gpio_info *bitbang = bus->priv;
- dev_set_drvdata(dev, NULL);
- gpio_free(bitbang->mdio);
- gpio_free(bitbang->mdc);
free_mdio_bitbang(bus);
- kfree(bitbang);
}
static void mdio_gpio_bus_destroy(struct device *dev)