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pwm: lpc32xx: 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 18:28:10 +02:00 committed by Thierry Reding
parent 071beb7c5e
commit da68a9f4b0
1 changed files with 1 additions and 11 deletions
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12
drivers/pwm/pwm-lpc32xx.c
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@ -122,24 +122,15 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
val &= ~PWM_PIN_LEVEL;
writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
ret = pwmchip_add(&lpc32xx->chip);
ret = devm_pwmchip_add(&pdev->dev, &lpc32xx->chip);
if (ret < 0) {
dev_err(&pdev->dev, "failed to add PWM chip, error %d\n", ret);
return ret;
}
platform_set_drvdata(pdev, lpc32xx);
return 0;
}
static int lpc32xx_pwm_remove(struct platform_device *pdev)
{
struct lpc32xx_pwm_chip *lpc32xx = platform_get_drvdata(pdev);
return pwmchip_remove(&lpc32xx->chip);
}
static const struct of_device_id lpc32xx_pwm_dt_ids[] = {
{ .compatible = "nxp,lpc3220-pwm", },
{ /* sentinel */ }
@ -152,7 +143,6 @@ static struct platform_driver lpc32xx_pwm_driver = {
.of_match_table = lpc32xx_pwm_dt_ids,
},
.probe = lpc32xx_pwm_probe,
.remove = lpc32xx_pwm_remove,
};
module_platform_driver(lpc32xx_pwm_driver);