Use the devm_* managed functions to allocate resources.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/st1232.c | 31 +++++++++----------------------
1 file changed, 9 insertions(+), 22 deletions(-)
Compile-tested only.
diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index d9d05e2..f091451 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -157,12 +157,10 @@ static int st1232_ts_probe(struct i2c_client *client,
}
- ts = kzalloc(sizeof(struct st1232_ts_data), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!ts || !input_dev) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);
+ input_dev = devm_input_allocate_device(&client->dev);
+ if (!ts || !input_dev)
+ return -ENOMEM;
ts->client = client;
ts->input_dev = input_dev;
@@ -179,41 +177,30 @@ static int st1232_ts_probe(struct i2c_client *client,
input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
- error = request_threaded_irq(client->irq, NULL, st1232_ts_irq_handler,
- IRQF_ONESHOT, client->name, ts);
+ error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ st1232_ts_irq_handler, IRQF_ONESHOT,
+ client->name, ts);
if (error) {
dev_err(&client->dev, "Failed to register interrupt\n");
- goto err_free_mem;
+ return error;
}
error = input_register_device(ts->input_dev);
if (error) {
dev_err(&client->dev, "Unable to register %s input device\n",
input_dev->name);
- goto err_free_irq;
+ return error;
}
i2c_set_clientdata(client, ts);
device_init_wakeup(&client->dev, 1);
return 0;
-
-err_free_irq:
- free_irq(client->irq, ts);
-err_free_mem:
- input_free_device(input_dev);
- kfree(ts);
- return error;
}
static int st1232_ts_remove(struct i2c_client *client)
{
- struct st1232_ts_data *ts = i2c_get_clientdata(client);
-
device_init_wakeup(&client->dev, 0);
- free_irq(client->irq, ts);
- input_unregister_device(ts->input_dev);
- kfree(ts);
return 0;
}
--
Regards,
Laurent Pinchart
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