mfd: Convert da9052 to use devm_* APIs

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 8410065f135ff7cfd831bca6178ddf3bac12ec1c..82c9d64502868ba94ea8d215d9a5e864ed42f19a 100644 (file)
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -70,7 +70,7 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client,
        struct da9052 *da9052;
        int ret;
 
-       da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL);
+       da9052 = devm_kzalloc(&client->dev, sizeof(struct da9052), GFP_KERNEL);
        if (!da9052)
                return -ENOMEM;
 
@@ -78,8 +78,7 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client,
                                     I2C_FUNC_SMBUS_BYTE_DATA)) {
                dev_info(&client->dev, "Error in %s:i2c_check_functionality\n",
                         __func__);
-               ret = -ENODEV;
-               goto err;
+               return  -ENODEV;
        }
 
        da9052->dev = &client->dev;
@@ -87,17 +86,17 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client,
 
        i2c_set_clientdata(client, da9052);
 
-       da9052->regmap = regmap_init_i2c(client, &da9052_regmap_config);
+       da9052->regmap = devm_regmap_init_i2c(client, &da9052_regmap_config);
        if (IS_ERR(da9052->regmap)) {
                ret = PTR_ERR(da9052->regmap);
                dev_err(&client->dev, "Failed to allocate register map: %d\n",
                        ret);
-               goto err;
+               return ret;
        }
 
        ret = da9052_i2c_enable_multiwrite(da9052);
        if (ret < 0)
-               goto err_regmap;
+               return ret;
 
 #ifdef CONFIG_OF
        if (!id) {
@@ -112,20 +111,14 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client,
        if (!id) {
                ret = -ENODEV;
                dev_err(&client->dev, "id is null.\n");
-               goto err_regmap;
+               return ret;
        }
 
        ret = da9052_device_init(da9052, id->driver_data);
        if (ret != 0)
-               goto err_regmap;
+               return ret;
 
        return 0;
-
-err_regmap:
-       regmap_exit(da9052->regmap);
-err:
-       kfree(da9052);
-       return ret;
 }
 
 static int __devexit da9052_i2c_remove(struct i2c_client *client)
@@ -133,9 +126,6 @@ static int __devexit da9052_i2c_remove(struct i2c_client *client)
        struct da9052 *da9052 = i2c_get_clientdata(client);
 
        da9052_device_exit(da9052);
-       regmap_exit(da9052->regmap);
-       kfree(da9052);
-
        return 0;
 }
 

diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index 6e09498c2c8015de6148c7a7f6bab70183625d2f..dbeadc5a6436caca55f69a68f0865cc71084b0c8 100644 (file)
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -25,8 +25,9 @@ static int __devinit da9052_spi_probe(struct spi_device *spi)
 {
        int ret;
        const struct spi_device_id *id = spi_get_device_id(spi);
-       struct da9052 *da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL);
+       struct da9052 *da9052;
 
+       da9052 = devm_kzalloc(&spi->dev, sizeof(struct da9052), GFP_KERNEL);
        if (!da9052)
                return -ENOMEM;
 
@@ -42,25 +43,19 @@ static int __devinit da9052_spi_probe(struct spi_device *spi)
        da9052_regmap_config.read_flag_mask = 1;
        da9052_regmap_config.write_flag_mask = 0;
 
-       da9052->regmap = regmap_init_spi(spi, &da9052_regmap_config);
+       da9052->regmap = devm_regmap_init_spi(spi, &da9052_regmap_config);
        if (IS_ERR(da9052->regmap)) {
                ret = PTR_ERR(da9052->regmap);
                dev_err(&spi->dev, "Failed to allocate register map: %d\n",
                        ret);
-               goto err;
+               return ret;
        }
 
        ret = da9052_device_init(da9052, id->driver_data);
        if (ret != 0)
-               goto err_regmap;
+               return ret;
 
        return 0;
-
-err_regmap:
-       regmap_exit(da9052->regmap);
-err:
-       kfree(da9052);
-       return ret;
 }
 
 static int __devexit da9052_spi_remove(struct spi_device *spi)
@@ -68,9 +63,6 @@ static int __devexit da9052_spi_remove(struct spi_device *spi)
        struct da9052 *da9052 = dev_get_drvdata(&spi->dev);
 
        da9052_device_exit(da9052);
-       regmap_exit(da9052->regmap);
-       kfree(da9052);
-
        return 0;
 }