mfd: Use devm_* APIs for mc13xxx

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

3 files changed, 5 insertions, 12 deletions

diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index f0ea3b8b3e4a..b801dc72f041 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -723,10 +723,6 @@ void mc13xxx_common_cleanup(struct mc13xxx *mc13xxx)
         free_irq(mc13xxx->irq, mc13xxx);
 
         mfd_remove_devices(mc13xxx->dev);
-
-        regmap_exit(mc13xxx->regmap);
-
-        kfree(mc13xxx);
 }
 EXPORT_SYMBOL_GPL(mc13xxx_common_cleanup);
 
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c
index d22501dad6a6..18d29f3ca67f 100644
--- a/drivers/mfd/mc13xxx-i2c.c
+++ b/drivers/mfd/mc13xxx-i2c.c
@@ -63,7 +63,7 @@ static int mc13xxx_i2c_probe(struct i2c_client *client,
         if (of_id)
                 idrv->id_table = (const struct i2c_device_id*) of_id->data;
 
-        mc13xxx = kzalloc(sizeof(*mc13xxx), GFP_KERNEL);
+        mc13xxx = devm_kzalloc(&client->dev, sizeof(*mc13xxx), GFP_KERNEL);
         if (!mc13xxx)
                 return -ENOMEM;
 
@@ -72,13 +72,13 @@ static int mc13xxx_i2c_probe(struct i2c_client *client,
         mc13xxx->dev = &client->dev;
         mutex_init(&mc13xxx->lock);
 
-        mc13xxx->regmap = regmap_init_i2c(client, &mc13xxx_regmap_i2c_config);
+        mc13xxx->regmap = devm_regmap_init_i2c(client,
+                                               &mc13xxx_regmap_i2c_config);
         if (IS_ERR(mc13xxx->regmap)) {
                 ret = PTR_ERR(mc13xxx->regmap);
                 dev_err(mc13xxx->dev, "Failed to initialize register map: %d\n",
                                 ret);
                 dev_set_drvdata(&client->dev, NULL);
-                kfree(mc13xxx);
                 return ret;
         }
 
diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 03df422feb76..234207f7a831 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -129,7 +129,7 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
         if (of_id)
                 sdrv->id_table = &mc13xxx_device_id[(enum mc13xxx_id) of_id->data];
 
-        mc13xxx = kzalloc(sizeof(*mc13xxx), GFP_KERNEL);
+        mc13xxx = devm_kzalloc(&spi->dev, sizeof(*mc13xxx), GFP_KERNEL);
         if (!mc13xxx)
                 return -ENOMEM;
 
@@ -139,15 +139,12 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
         mc13xxx->dev = &spi->dev;
         mutex_init(&mc13xxx->lock);
 
-        mc13xxx->regmap = regmap_init(&spi->dev, &regmap_mc13xxx_bus, &spi->dev,
-                                        &mc13xxx_regmap_spi_config);
-
+        mc13xxx->regmap = devm_regmap_init_spi(spi, &mc13xxx_regmap_spi_config);
         if (IS_ERR(mc13xxx->regmap)) {
                 ret = PTR_ERR(mc13xxx->regmap);
                 dev_err(mc13xxx->dev, "Failed to initialize register map: %d\n",
                                 ret);
                 dev_set_drvdata(&spi->dev, NULL);
-                kfree(mc13xxx);
                 return ret;
         }