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pwm: twl: Simplify using devm_pwmchip_add() 

This allows to drop the platform_driver's remove function. This is the
only user of driver data so this can go away, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2021-07-07 18:28:20 +02:00 committed by Thierry Reding
parent c9bb1c9e54
commit a75bc6b783
1 changed files with 1 additions and 16 deletions
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17
drivers/pwm/pwm-twl.c
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@ -298,7 +298,6 @@ static const struct pwm_ops twl6030_pwm_ops = {
static int twl_pwm_probe(struct platform_device *pdev) static int twl_pwm_probe(struct platform_device *pdev)
{ {
struct twl_pwm_chip *twl; struct twl_pwm_chip *twl;
int ret;
twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL); twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL);
if (!twl) if (!twl)
@ -314,20 +313,7 @@ static int twl_pwm_probe(struct platform_device *pdev)
mutex_init(&twl->mutex); mutex_init(&twl->mutex);
ret = pwmchip_add(&twl->chip); return devm_pwmchip_add(&pdev->dev, &twl->chip);
if (ret < 0)
return ret;
platform_set_drvdata(pdev, twl);
return 0;
}
static int twl_pwm_remove(struct platform_device *pdev)
{
struct twl_pwm_chip *twl = platform_get_drvdata(pdev);
return pwmchip_remove(&twl->chip);
} }
#ifdef CONFIG_OF #ifdef CONFIG_OF
@ -345,7 +331,6 @@ static struct platform_driver twl_pwm_driver = {
.of_match_table = of_match_ptr(twl_pwm_of_match), .of_match_table = of_match_ptr(twl_pwm_of_match),
}, },
.probe = twl_pwm_probe, .probe = twl_pwm_probe,
.remove = twl_pwm_remove,
}; };
module_platform_driver(twl_pwm_driver); module_platform_driver(twl_pwm_driver);