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gpio: janz-ttl: 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>
steinar/wifi_calib_4_9_kernel
Laxman Dewangan 2016-02-22 17:43:28 +05:30
parent 0c638759bf
commit abeb3f4029
1 changed files with 1 additions and 11 deletions
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12
drivers/gpio/gpio-janz-ttl.c
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@ -182,7 +182,7 @@ static int ttl_probe(struct platform_device *pdev)
gpio->base = -1;
gpio->ngpio = 20;
ret = gpiochip_add_data(gpio, NULL);
ret = devm_gpiochip_add_data(dev, gpio, NULL);
if (ret) {
dev_err(dev, "unable to add GPIO chip\n");
return ret;
@ -191,21 +191,11 @@ static int ttl_probe(struct platform_device *pdev)
return 0;
}
static int ttl_remove(struct platform_device *pdev)
{
struct ttl_module *mod = platform_get_drvdata(pdev);
gpiochip_remove(&mod->gpio);
return 0;
}
static struct platform_driver ttl_driver = {
.driver = {
.name = DRV_NAME,
},
.probe = ttl_probe,
.remove = ttl_remove,
};
module_platform_driver(ttl_driver);