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Date: Fri, 11 May 2012 09:29:51 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: "Ying-Chun Liu (PaulLiu)" <paul.liu@...aro.org>,
Ashish Jangam <ashish.jangam@...tcummins.com>,
David Dajun Chen <dchen@...semi.com>,
Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 1/2] mfd: da9052: Convert to use devm_* APIs
Signed-off-by: Axel Lin <axel.lin@...il.com>
---
drivers/mfd/da9052-i2c.c | 24 +++++++-----------------
drivers/mfd/da9052-spi.c | 18 +++++-------------
2 files changed, 12 insertions(+), 30 deletions(-)
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index d8abdb3..115a9c7 100644
--- 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 6e09498..dbeadc5 100644
--- 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;
}
--
1.7.5.4
--
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