Regulators: tps65023-regulator - mark probe method as __devinit
Dmitry Torokhov [Wed, 24 Feb 2010 07:38:06 +0000 (23:38 -0800)]
Also move error handling in probe() out of line and do not bother
to reset fields in structures that are about to be freed.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/tps65023-regulator.c

index 07fda0a..1f18354 100644 (file)
@@ -457,8 +457,8 @@ static struct regulator_ops tps65023_ldo_ops = {
        .list_voltage = tps65023_ldo_list_voltage,
 };
 
-static
-int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
+static int __devinit tps_65023_probe(struct i2c_client *client,
+                                    const struct i2c_device_id *id)
 {
        static int desc_id;
        const struct tps_info *info = (void *)id->driver_data;
@@ -466,6 +466,7 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
        struct regulator_dev *rdev;
        struct tps_pmic *tps;
        int i;
+       int error;
 
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                return -EIO;
@@ -475,7 +476,6 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
         * coming from the board-evm file.
         */
        init_data = client->dev.platform_data;
-
        if (!init_data)
                return -EIO;
 
@@ -502,21 +502,12 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
                /* Register the regulators */
                rdev = regulator_register(&tps->desc[i], &client->dev,
-                                                               init_data, tps);
+                                         init_data, tps);
                if (IS_ERR(rdev)) {
                        dev_err(&client->dev, "failed to register %s\n",
                                id->name);
-
-                       /* Unregister */
-                       while (i)
-                               regulator_unregister(tps->rdev[--i]);
-
-                       tps->client = NULL;
-
-                       /* clear the client data in i2c */
-                       i2c_set_clientdata(client, NULL);
-                       kfree(tps);
-                       return PTR_ERR(rdev);
+                       error = PTR_ERR(rdev);
+                       goto fail;
                }
 
                /* Save regulator for cleanup */
@@ -526,6 +517,13 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
        i2c_set_clientdata(client, tps);
 
        return 0;
+
+ fail:
+       while (--i >= 0)
+               regulator_unregister(tps->rdev[i]);
+
+       kfree(tps);
+       return error;
 }
 
 /**
@@ -539,13 +537,12 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
        struct tps_pmic *tps = i2c_get_clientdata(client);
        int i;
 
+       /* clear the client data in i2c */
+       i2c_set_clientdata(client, NULL);
+
        for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
                regulator_unregister(tps->rdev[i]);
 
-       tps->client = NULL;
-
-       /* clear the client data in i2c */
-       i2c_set_clientdata(client, NULL);
        kfree(tps);
 
        return 0;