RE: [PATCH 5/6] regulator: pfuze100: use devm_regulator_register()

[yibin.gong@xxxxxxxxxxxxx]

Acked-by: Robin Gong <b38343@xxxxxxxxxxxxx>
	
-----Original Message-----
From: Jingoo Han [mailto:jg1.han@xxxxxxxxxxx] 
Sent: Friday, December 06, 2013 3:12 PM
To: 'Mark Brown'
Cc: 'Liam Girdwood'; linux-kernel@xxxxxxxxxxxxxxx; 'Jingoo Han'; Gong Yibin-B38343; 'Axel Lin'; 'Tim Harvey'
Subject: [PATCH 5/6] regulator: pfuze100: use devm_regulator_register()

Use devm_regulator_register() to make cleanup paths simpler, and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
 drivers/regulator/pfuze100-regulator.c |   20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 032df37..50c1bf8 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -408,31 +408,18 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
 		config.driver_data = pfuze_chip;
 		config.of_node = match_of_node(i);
 
-		pfuze_chip->regulators[i] = regulator_register(desc, &config);
+		pfuze_chip->regulators[i] =
+			devm_regulator_register(&client->dev, desc, &config);
 		if (IS_ERR(pfuze_chip->regulators[i])) {
 			dev_err(&client->dev, "register regulator%s failed\n",
 				pfuze100_regulators[i].desc.name);
-			ret = PTR_ERR(pfuze_chip->regulators[i]);
-			while (--i >= 0)
-				regulator_unregister(pfuze_chip->regulators[i]);
-			return ret;
+			return PTR_ERR(pfuze_chip->regulators[i]);
 		}
 	}
 
 	return 0;
 }
 
-static int pfuze100_regulator_remove(struct i2c_client *client) -{
-	int i;
-	struct pfuze_chip *pfuze_chip = i2c_get_clientdata(client);
-
-	for (i = 0; i < PFUZE100_MAX_REGULATOR; i++)
-		regulator_unregister(pfuze_chip->regulators[i]);
-
-	return 0;
-}
-
 static struct i2c_driver pfuze_driver = {
 	.id_table = pfuze_device_id,
 	.driver = {
@@ -441,7 +428,6 @@ static struct i2c_driver pfuze_driver = {
 		.of_match_table = pfuze_dt_ids,
 	},
 	.probe = pfuze100_regulator_probe,
-	.remove = pfuze100_regulator_remove,
 };
 module_i2c_driver(pfuze_driver);
 
--
1.7.10.4



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