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Subject[PATCH] pwm: visconti: Simplify using devm_pwmchip_add()
Date
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: zhaoxiao <long870912@gmail.com>
---
drivers/pwm/pwm-visconti.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/pwm/pwm-visconti.c b/drivers/pwm/pwm-visconti.c
index af4e37d3e3a6..927c4cbb1daf 100644
--- a/drivers/pwm/pwm-visconti.c
+++ b/drivers/pwm/pwm-visconti.c
@@ -144,28 +144,17 @@ static int visconti_pwm_probe(struct platform_device *pdev)
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);

- platform_set_drvdata(pdev, priv);
-
priv->chip.dev = dev;
priv->chip.ops = &visconti_pwm_ops;
priv->chip.npwm = 4;

- ret = pwmchip_add(&priv->chip);
+ ret = devm_pwmchip_add(&pdev->dev, &priv->chip);
if (ret < 0)
return dev_err_probe(&pdev->dev, ret, "Cannot register visconti PWM\n");

return 0;
}

-static int visconti_pwm_remove(struct platform_device *pdev)
-{
- struct visconti_pwm_chip *priv = platform_get_drvdata(pdev);
-
- pwmchip_remove(&priv->chip);
-
- return 0;
-}
-
static const struct of_device_id visconti_pwm_of_match[] = {
{ .compatible = "toshiba,visconti-pwm", },
{ }
@@ -178,7 +167,6 @@ static struct platform_driver visconti_pwm_driver = {
.of_match_table = visconti_pwm_of_match,
},
.probe = visconti_pwm_probe,
- .remove = visconti_pwm_remove,
};
module_platform_driver(visconti_pwm_driver);

--
2.20.1
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