diff options
| author | Sebastian Reichel <sebastian.reichel@collabora.co.uk> | 2017-07-25 23:08:48 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-08-21 22:10:18 +0200 |
| commit | 8cc8446b9b62ef954b630ed30e53bd1553e916a6 (patch) | |
| tree | 483830314304513b086abdac6294a4103f092b30 /drivers/input | |
| parent | Input: wacom_w8001 - constify serio_device_id (diff) | |
| download | linux-8cc8446b9b62ef954b630ed30e53bd1553e916a6.tar.xz linux-8cc8446b9b62ef954b630ed30e53bd1553e916a6.zip | |
Input: atmel_mxt_ts - use more managed resources
Switch mxt_data and interrupt to resource managed allocation methods,
which cleans up the driver slightly and prepares for adding
reset GPIO support.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index dd042a9b0aaa..aeb46522073a 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3117,11 +3117,9 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) if (IS_ERR(pdata)) return PTR_ERR(pdata); - data = kzalloc(sizeof(struct mxt_data), GFP_KERNEL); - if (!data) { - dev_err(&client->dev, "Failed to allocate memory\n"); + data = devm_kzalloc(&client->dev, sizeof(struct mxt_data), GFP_KERNEL); + if (!data) return -ENOMEM; - } snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0", client->adapter->nr, client->addr); @@ -3135,19 +3133,20 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) init_completion(&data->reset_completion); init_completion(&data->crc_completion); - error = request_threaded_irq(client->irq, NULL, mxt_interrupt, - pdata->irqflags | IRQF_ONESHOT, - client->name, data); + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, mxt_interrupt, + pdata->irqflags | IRQF_ONESHOT, + client->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); - goto err_free_mem; + return error; } disable_irq(client->irq); error = mxt_initialize(data); if (error) - goto err_free_irq; + return error; error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group); if (error) { @@ -3161,10 +3160,6 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) err_free_object: mxt_free_input_device(data); mxt_free_object_table(data); -err_free_irq: - free_irq(client->irq, data); -err_free_mem: - kfree(data); return error; } @@ -3172,11 +3167,10 @@ static int mxt_remove(struct i2c_client *client) { struct mxt_data *data = i2c_get_clientdata(client); + disable_irq(data->irq); sysfs_remove_group(&client->dev.kobj, &mxt_attr_group); - free_irq(data->irq, data); mxt_free_input_device(data); mxt_free_object_table(data); - kfree(data); return 0; } |