Commit 5037a179 authored by Dmitry Torokhov's avatar Dmitry Torokhov

Input: mma8450 - convert to using managed resources

This simplifies error handling and device removal code. Also let's
get rid of setting driver's owner since i2c core does it for us.
Tested-by: default avatarStefan Sauer <ensonic@google.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent a93ad65d
......@@ -174,12 +174,13 @@ static int mma8450_probe(struct i2c_client *c,
struct mma8450 *m;
int err;
m = kzalloc(sizeof(struct mma8450), GFP_KERNEL);
idev = input_allocate_polled_device();
if (!m || !idev) {
err = -ENOMEM;
goto err_free_mem;
}
m = devm_kzalloc(&c->dev, sizeof(*m), GFP_KERNEL);
if (!m)
return -ENOMEM;
idev = devm_input_allocate_polled_device(&c->dev);
if (!idev)
return -ENOMEM;
m->client = c;
m->idev = idev;
......@@ -187,7 +188,6 @@ static int mma8450_probe(struct i2c_client *c,
idev->private = m;
idev->input->name = MMA8450_DRV_NAME;
idev->input->id.bustype = BUS_I2C;
idev->input->dev.parent = &c->dev;
idev->poll = mma8450_poll;
idev->poll_interval = POLL_INTERVAL;
idev->poll_interval_max = POLL_INTERVAL_MAX;
......@@ -202,28 +202,11 @@ static int mma8450_probe(struct i2c_client *c,
err = input_register_polled_device(idev);
if (err) {
dev_err(&c->dev, "failed to register polled input device\n");
goto err_free_mem;
return err;
}
i2c_set_clientdata(c, m);
return 0;
err_free_mem:
input_free_polled_device(idev);
kfree(m);
return err;
}
static int mma8450_remove(struct i2c_client *c)
{
struct mma8450 *m = i2c_get_clientdata(c);
struct input_polled_dev *idev = m->idev;
input_unregister_polled_device(idev);
input_free_polled_device(idev);
kfree(m);
return 0;
}
......@@ -242,11 +225,9 @@ MODULE_DEVICE_TABLE(of, mma8450_dt_ids);
static struct i2c_driver mma8450_driver = {
.driver = {
.name = MMA8450_DRV_NAME,
.owner = THIS_MODULE,
.of_match_table = mma8450_dt_ids,
},
.probe = mma8450_probe,
.remove = mma8450_remove,
.id_table = mma8450_id,
};
......
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