[PATCH 2/5] leds: pca955x: use devm_led_classdev_register

Cédric Le Goater clg at kaod.org
Fri Jun 9 23:12:26 AEST 2017


This lets us remove the loop doing the cleanup in case of failure and
also the remove handler of the i2c_driver.

Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
 drivers/leds/leds-pca955x.c | 24 +++---------------------
 1 file changed, 3 insertions(+), 21 deletions(-)

diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index a3e61a57d574..13634a0f6238 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -411,10 +411,10 @@ static int pca955x_probe(struct i2c_client *client,
 		pca955x_led->led_cdev.name = pca955x_led->name;
 		pca955x_led->led_cdev.brightness_set_blocking = pca955x_led_set;
 
-		err = led_classdev_register(&client->dev,
+		err = devm_led_classdev_register(&client->dev,
 					&pca955x_led->led_cdev);
-		if (err < 0)
-			goto exit;
+		if (err)
+			return err;
 	}
 
 	/* Turn off LEDs */
@@ -432,23 +432,6 @@ static int pca955x_probe(struct i2c_client *client,
 	pca955x_write_psc(client, 1, 0);
 
 	return 0;
-
-exit:
-	while (i--)
-		led_classdev_unregister(&pca955x->leds[i].led_cdev);
-
-	return err;
-}
-
-static int pca955x_remove(struct i2c_client *client)
-{
-	struct pca955x *pca955x = i2c_get_clientdata(client);
-	int i;
-
-	for (i = 0; i < pca955x->chipdef->bits; i++)
-		led_classdev_unregister(&pca955x->leds[i].led_cdev);
-
-	return 0;
 }
 
 static struct i2c_driver pca955x_driver = {
@@ -458,7 +441,6 @@ static struct i2c_driver pca955x_driver = {
 		.of_match_table = of_match_ptr(of_pca955x_match),
 	},
 	.probe	= pca955x_probe,
-	.remove	= pca955x_remove,
 	.id_table = pca955x_id,
 };
 
-- 
2.7.4



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