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authorLaxman Dewangan <ldewangan@nvidia.com>2016-02-22 15:13:28 +0300
committerLaxman Dewangan <ldewangan@nvidia.com>2016-02-23 18:05:51 +0300
commit45338c3aa1e3439f9da35ac7126f29ea2d33cca8 (patch)
treec52ef331e6cae3000bdd8889ab3010bb47b81d4f /drivers/gpio/gpio-viperboard.c
parent5d61a9e0acf302e572584f4314943de2df1a5845 (diff)
downloadlinux-45338c3aa1e3439f9da35ac7126f29ea2d33cca8.tar.xz
gpio: viperboard: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the need of driver callback .remove. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'drivers/gpio/gpio-viperboard.c')
-rw-r--r--drivers/gpio/gpio-viperboard.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 1170b035cb92..dec47aafd5cd 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -410,10 +410,10 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
vb_gpio->gpioa.get = vprbrd_gpioa_get;
vb_gpio->gpioa.direction_input = vprbrd_gpioa_direction_input;
vb_gpio->gpioa.direction_output = vprbrd_gpioa_direction_output;
- ret = gpiochip_add_data(&vb_gpio->gpioa, vb_gpio);
+ ret = devm_gpiochip_add_data(&pdev->dev, &vb_gpio->gpioa, vb_gpio);
if (ret < 0) {
dev_err(vb_gpio->gpioa.parent, "could not add gpio a");
- goto err_gpioa;
+ return ret;
}
/* registering gpio b */
@@ -427,37 +427,21 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
vb_gpio->gpiob.get = vprbrd_gpiob_get;
vb_gpio->gpiob.direction_input = vprbrd_gpiob_direction_input;
vb_gpio->gpiob.direction_output = vprbrd_gpiob_direction_output;
- ret = gpiochip_add_data(&vb_gpio->gpiob, vb_gpio);
+ ret = devm_gpiochip_add_data(&pdev->dev, &vb_gpio->gpiob, vb_gpio);
if (ret < 0) {
dev_err(vb_gpio->gpiob.parent, "could not add gpio b");
- goto err_gpiob;
+ return ret;
}
platform_set_drvdata(pdev, vb_gpio);
return ret;
-
-err_gpiob:
- gpiochip_remove(&vb_gpio->gpioa);
-
-err_gpioa:
- return ret;
-}
-
-static int vprbrd_gpio_remove(struct platform_device *pdev)
-{
- struct vprbrd_gpio *vb_gpio = platform_get_drvdata(pdev);
-
- gpiochip_remove(&vb_gpio->gpiob);
-
- return 0;
}
static struct platform_driver vprbrd_gpio_driver = {
.driver.name = "viperboard-gpio",
.driver.owner = THIS_MODULE,
.probe = vprbrd_gpio_probe,
- .remove = vprbrd_gpio_remove,
};
static int __init vprbrd_gpio_init(void)