[PATCH] regulator: tps62360: use devm_* for gpio request

From: Laxman Dewangan
Date: Mon Jul 02 2012 - 06:09:33 EST


Use devm_ version of gpio APIs gpio_request_one() for
requesting gpios.
This avoid extra code for freeing gpios.

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
drivers/regulator/tps62360-regulator.c | 28 ++++++----------------------
1 files changed, 6 insertions(+), 22 deletions(-)

diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index bcea4e1..7f42ef5 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -439,24 +439,24 @@ static int __devinit tps62360_probe(struct i2c_client *client,
int gpio_flags;
gpio_flags = (pdata->vsel0_def_state) ?
GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
- ret = gpio_request_one(tps->vsel0_gpio,
+ ret = devm_gpio_request_one(&client->dev, tps->vsel0_gpio,
gpio_flags, "tps62360-vsel0");
if (ret) {
dev_err(&client->dev,
"%s(): Could not obtain vsel0 GPIO %d: %d\n",
__func__, tps->vsel0_gpio, ret);
- goto err_gpio0;
+ return ret;
}

gpio_flags = (pdata->vsel1_def_state) ?
GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
- ret = gpio_request_one(tps->vsel1_gpio,
+ ret = devm_gpio_request_one(&client->dev, tps->vsel1_gpio,
gpio_flags, "tps62360-vsel1");
if (ret) {
dev_err(&client->dev,
"%s(): Could not obtain vsel1 GPIO %d: %d\n",
__func__, tps->vsel1_gpio, ret);
- goto err_gpio1;
+ return ret;
}
tps->valid_gpios = true;

@@ -474,7 +474,7 @@ static int __devinit tps62360_probe(struct i2c_client *client,
if (ret < 0) {
dev_err(tps->dev, "%s(): Init failed with err = %d\n",
__func__, ret);
- goto err_init;
+ return ret;
}

config.dev = &client->dev;
@@ -488,21 +488,11 @@ static int __devinit tps62360_probe(struct i2c_client *client,
dev_err(tps->dev,
"%s(): regulator register failed with err %s\n",
__func__, id->name);
- ret = PTR_ERR(rdev);
- goto err_init;
+ return PTR_ERR(rdev);
}

tps->rdev = rdev;
return 0;
-
-err_init:
- if (gpio_is_valid(tps->vsel1_gpio))
- gpio_free(tps->vsel1_gpio);
-err_gpio1:
- if (gpio_is_valid(tps->vsel0_gpio))
- gpio_free(tps->vsel0_gpio);
-err_gpio0:
- return ret;
}

/**
@@ -515,12 +505,6 @@ static int __devexit tps62360_remove(struct i2c_client *client)
{
struct tps62360_chip *tps = i2c_get_clientdata(client);

- if (gpio_is_valid(tps->vsel1_gpio))
- gpio_free(tps->vsel1_gpio);
-
- if (gpio_is_valid(tps->vsel0_gpio))
- gpio_free(tps->vsel0_gpio);
-
regulator_unregister(tps->rdev);
return 0;
}
--
1.7.1.1

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