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path: root/drivers/input/keyboard/max7359_keypad.c
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Diffstat (limited to 'drivers/input/keyboard/max7359_keypad.c')
-rw-r--r--drivers/input/keyboard/max7359_keypad.c45
1 files changed, 16 insertions, 29 deletions
diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c
index 430b54539720..faa6da53eba8 100644
--- a/drivers/input/keyboard/max7359_keypad.c
+++ b/drivers/input/keyboard/max7359_keypad.c
@@ -203,12 +203,17 @@ static int max7359_probe(struct i2c_client *client,
dev_dbg(&client->dev, "keys FIFO is 0x%02x\n", ret);
- keypad = kzalloc(sizeof(struct max7359_keypad), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!keypad || !input_dev) {
+ keypad = devm_kzalloc(&client->dev, sizeof(struct max7359_keypad),
+ GFP_KERNEL);
+ if (!keypad) {
dev_err(&client->dev, "failed to allocate memory\n");
- error = -ENOMEM;
- goto failed_free_mem;
+ return -ENOMEM;
+ }
+
+ input_dev = devm_input_allocate_device(&client->dev);
+ if (!input_dev) {
+ dev_err(&client->dev, "failed to allocate input device\n");
+ return -ENOMEM;
}
keypad->client = client;
@@ -230,19 +235,20 @@ static int max7359_probe(struct i2c_client *client,
max7359_build_keycode(keypad, keymap_data);
- error = request_threaded_irq(client->irq, NULL, max7359_interrupt,
- IRQF_TRIGGER_LOW | IRQF_ONESHOT,
- client->name, keypad);
+ error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ max7359_interrupt,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ client->name, keypad);
if (error) {
dev_err(&client->dev, "failed to register interrupt\n");
- goto failed_free_mem;
+ return error;
}
/* Register the input device */
error = input_register_device(input_dev);
if (error) {
dev_err(&client->dev, "failed to register input device\n");
- goto failed_free_irq;
+ return error;
}
/* Initialize MAX7359 */
@@ -252,24 +258,6 @@ static int max7359_probe(struct i2c_client *client,
device_init_wakeup(&client->dev, 1);
return 0;
-
-failed_free_irq:
- free_irq(client->irq, keypad);
-failed_free_mem:
- input_free_device(input_dev);
- kfree(keypad);
- return error;
-}
-
-static int max7359_remove(struct i2c_client *client)
-{
- struct max7359_keypad *keypad = i2c_get_clientdata(client);
-
- free_irq(client->irq, keypad);
- input_unregister_device(keypad->input_dev);
- kfree(keypad);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -313,7 +301,6 @@ static struct i2c_driver max7359_i2c_driver = {
.pm = &max7359_pm,
},
.probe = max7359_probe,
- .remove = max7359_remove,
.id_table = max7359_ids,
};