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Signed-off-by: Yangtao Li --- drivers/input/keyboard/lm8333.c | 40 +++++++++------------------------ 1 file changed, 11 insertions(+), 29 deletions(-) diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c index c9f05764e36d..41d088933e01 100644 --- a/drivers/input/keyboard/lm8333.c +++ b/drivers/input/keyboard/lm8333.c @@ -129,6 +129,7 @@ static int lm8333_probe(struct i2c_client *client) { const struct lm8333_platform_data *pdata = dev_get_platdata(&client->dev); + struct device *dev = &client->dev; struct lm8333 *lm8333; struct input_dev *input; int err, active_time; @@ -142,12 +143,10 @@ static int lm8333_probe(struct i2c_client *client) return -EINVAL; } - lm8333 = kzalloc(sizeof(*lm8333), GFP_KERNEL); - input = input_allocate_device(); - if (!lm8333 || !input) { - err = -ENOMEM; - goto free_mem; - } + lm8333 = devm_kzalloc(dev, sizeof(*lm8333), GFP_KERNEL); + input = devm_input_allocate_device(dev); + if (!lm8333 || !input) + return -ENOMEM; lm8333->client = client; lm8333->input = input; @@ -162,7 +161,7 @@ static int lm8333_probe(struct i2c_client *client) LM8333_NUM_ROWS, LM8333_NUM_COLS, lm8333->keycodes, input); if (err) - goto free_mem; + return err; if (pdata->debounce_time) { err = lm8333_write8(lm8333, LM8333_DEBOUNCE, @@ -178,34 +177,18 @@ static int lm8333_probe(struct i2c_client *client) dev_warn(&client->dev, "Unable to set active time\n"); } - err = request_threaded_irq(client->irq, NULL, lm8333_irq_thread, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - "lm8333", lm8333); + err = devm_request_threaded_irq(dev, client->irq, NULL, lm8333_irq_thread, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "lm8333", lm8333); if (err) - goto free_mem; + return err; err = input_register_device(input); if (err) - goto free_irq; + return err; i2c_set_clientdata(client, lm8333); return 0; - - free_irq: - free_irq(client->irq, lm8333); - free_mem: - input_free_device(input); - kfree(lm8333); - return err; -} - -static void lm8333_remove(struct i2c_client *client) -{ - struct lm8333 *lm8333 = i2c_get_clientdata(client); - - free_irq(client->irq, lm8333); - input_unregister_device(lm8333->input); - kfree(lm8333); } static const struct i2c_device_id lm8333_id[] = { @@ -219,7 +202,6 @@ static struct i2c_driver lm8333_driver = { .name = "lm8333", }, .probe = lm8333_probe, - .remove = lm8333_remove, .id_table = lm8333_id, }; module_i2c_driver(lm8333_driver);