summaryrefslogtreecommitdiff
path: root/drivers/input/keyboard/mpr121_touchkey.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/input/keyboard/mpr121_touchkey.c')
-rw-r--r--drivers/input/keyboard/mpr121_touchkey.c42
1 files changed, 12 insertions, 30 deletions
diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c
index 009c82256e89..3aa2ec45bcab 100644
--- a/drivers/input/keyboard/mpr121_touchkey.c
+++ b/drivers/input/keyboard/mpr121_touchkey.c
@@ -214,13 +214,14 @@ static int mpr_touchkey_probe(struct i2c_client *client,
return -EINVAL;
}
- mpr121 = kzalloc(sizeof(struct mpr121_touchkey), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!mpr121 || !input_dev) {
- dev_err(&client->dev, "Failed to allocate memory\n");
- error = -ENOMEM;
- goto err_free_mem;
- }
+ mpr121 = devm_kzalloc(&client->dev, sizeof(*mpr121),
+ GFP_KERNEL);
+ if (!mpr121)
+ return -ENOMEM;
+
+ input_dev = devm_input_allocate_device(&client->dev);
+ if (!input_dev)
+ return -ENOMEM;
mpr121->client = client;
mpr121->input_dev = input_dev;
@@ -243,44 +244,26 @@ static int mpr_touchkey_probe(struct i2c_client *client,
error = mpr121_phys_init(pdata, mpr121, client);
if (error) {
dev_err(&client->dev, "Failed to init register\n");
- goto err_free_mem;
+ return error;
}
- error = request_threaded_irq(client->irq, NULL,
+ error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
mpr_touchkey_interrupt,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
client->dev.driver->name, mpr121);
if (error) {
dev_err(&client->dev, "Failed to register interrupt\n");
- goto err_free_mem;
+ return error;
}
error = input_register_device(input_dev);
if (error)
- goto err_free_irq;
+ return error;
i2c_set_clientdata(client, mpr121);
device_init_wakeup(&client->dev, pdata->wakeup);
return 0;
-
-err_free_irq:
- free_irq(client->irq, mpr121);
-err_free_mem:
- input_free_device(input_dev);
- kfree(mpr121);
- return error;
-}
-
-static int mpr_touchkey_remove(struct i2c_client *client)
-{
- struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client);
-
- free_irq(client->irq, mpr121);
- input_unregister_device(mpr121->input_dev);
- kfree(mpr121);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -327,7 +310,6 @@ static struct i2c_driver mpr_touchkey_driver = {
},
.id_table = mpr121_id,
.probe = mpr_touchkey_probe,
- .remove = mpr_touchkey_remove,
};
module_i2c_driver(mpr_touchkey_driver);