mfd: Convert pcf50633-core 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/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 189c2f0..29c122b 100644 (file)
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -204,7 +204,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
                return -ENOENT;
        }
 
-       pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
+       pcf = devm_kzalloc(&client->dev, sizeof(*pcf), GFP_KERNEL);
        if (!pcf)
                return -ENOMEM;
 
@@ -212,12 +212,11 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
 
        mutex_init(&pcf->lock);
 
-       pcf->regmap = regmap_init_i2c(client, &pcf50633_regmap_config);
+       pcf->regmap = devm_regmap_init_i2c(client, &pcf50633_regmap_config);
        if (IS_ERR(pcf->regmap)) {
                ret = PTR_ERR(pcf->regmap);
-               dev_err(pcf->dev, "Failed to allocate register map: %d\n",
-                       ret);
-               goto err_free;
+               dev_err(pcf->dev, "Failed to allocate register map: %d\n", ret);
+               return ret;
        }
 
        i2c_set_clientdata(client, pcf);
@@ -228,7 +227,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
        if (version < 0 || variant < 0) {
                dev_err(pcf->dev, "Unable to probe pcf50633\n");
                ret = -ENODEV;
-               goto err_regmap;
+               return ret;
        }
 
        dev_info(pcf->dev, "Probed device version %d variant %d\n",
@@ -237,16 +236,11 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
        pcf50633_irq_init(pcf, client->irq);
 
        /* Create sub devices */
-       pcf50633_client_dev_register(pcf, "pcf50633-input",
-                                               &pcf->input_pdev);
-       pcf50633_client_dev_register(pcf, "pcf50633-rtc",
-                                               &pcf->rtc_pdev);
-       pcf50633_client_dev_register(pcf, "pcf50633-mbc",
-                                               &pcf->mbc_pdev);
-       pcf50633_client_dev_register(pcf, "pcf50633-adc",
-                                               &pcf->adc_pdev);
-       pcf50633_client_dev_register(pcf, "pcf50633-backlight",
-                                               &pcf->bl_pdev);
+       pcf50633_client_dev_register(pcf, "pcf50633-input", &pcf->input_pdev);
+       pcf50633_client_dev_register(pcf, "pcf50633-rtc", &pcf->rtc_pdev);
+       pcf50633_client_dev_register(pcf, "pcf50633-mbc", &pcf->mbc_pdev);
+       pcf50633_client_dev_register(pcf, "pcf50633-adc", &pcf->adc_pdev);
+       pcf50633_client_dev_register(pcf, "pcf50633-backlight", &pcf->bl_pdev);
 
 
        for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
@@ -274,13 +268,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
                pdata->probe_done(pcf);
 
        return 0;
-
-err_regmap:
-       regmap_exit(pcf->regmap);
-err_free:
-       kfree(pcf);
-
-       return ret;
 }
 
 static int __devexit pcf50633_remove(struct i2c_client *client)
@@ -300,9 +287,6 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
        for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
                platform_device_unregister(pcf->regulator_pdev[i]);
 
-       regmap_exit(pcf->regmap);
-       kfree(pcf);
-
        return 0;
 }