Input: lm8323 - rely on device core to create kp_disable attribute

Device core now has facilities to create driver-specific device attributes
as part of driver probing, use them.

Link: https://lore.kernel.org/r/20230724052901.350240-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 3964f6e..d519541 100644 (file)
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -615,6 +615,12 @@ static ssize_t lm8323_set_disable(struct device *dev,
 }
 static DEVICE_ATTR(disable_kp, 0644, lm8323_show_disable, lm8323_set_disable);
 
+static struct attribute *lm8323_attrs[] = {
+       &dev_attr_disable_kp.attr,
+       NULL,
+};
+ATTRIBUTE_GROUPS(lm8323);
+
 static int lm8323_probe(struct i2c_client *client)
 {
        struct lm8323_platform_data *pdata = dev_get_platdata(&client->dev);
@@ -696,9 +702,6 @@ static int lm8323_probe(struct i2c_client *client)
        }
 
        lm->kp_enabled = true;
-       err = device_create_file(&client->dev, &dev_attr_disable_kp);
-       if (err < 0)
-               goto fail2;
 
        idev->name = pdata->name ? : "LM8323 keypad";
        snprintf(lm->phys, sizeof(lm->phys),
@@ -719,14 +722,14 @@ static int lm8323_probe(struct i2c_client *client)
        err = input_register_device(idev);
        if (err) {
                dev_dbg(&client->dev, "error registering input device\n");
-               goto fail3;
+               goto fail2;
        }
 
        err = request_threaded_irq(client->irq, NULL, lm8323_irq,
                          IRQF_TRIGGER_LOW|IRQF_ONESHOT, "lm8323", lm);
        if (err) {
                dev_err(&client->dev, "could not get IRQ %d\n", client->irq);
-               goto fail4;
+               goto fail3;
        }
 
        i2c_set_clientdata(client, lm);
@@ -736,11 +739,9 @@ static int lm8323_probe(struct i2c_client *client)
 
        return 0;
 
-fail4:
+fail3:
        input_unregister_device(idev);
        idev = NULL;
-fail3:
-       device_remove_file(&client->dev, &dev_attr_disable_kp);
 fail2:
        while (--pwm >= 0)
                if (lm->pwm[pwm].enabled)
@@ -761,8 +762,6 @@ static void lm8323_remove(struct i2c_client *client)
 
        input_unregister_device(lm->idev);
 
-       device_remove_file(&lm->client->dev, &dev_attr_disable_kp);
-
        for (i = 0; i < 3; i++)
                if (lm->pwm[i].enabled)
                        led_classdev_unregister(&lm->pwm[i].cdev);
@@ -823,8 +822,9 @@ static const struct i2c_device_id lm8323_id[] = {
 
 static struct i2c_driver lm8323_i2c_driver = {
        .driver = {
-               .name   = "lm8323",
-               .pm     = pm_sleep_ptr(&lm8323_pm_ops),
+               .name           = "lm8323",
+               .pm             = pm_sleep_ptr(&lm8323_pm_ops),
+               .dev_groups     = lm8323_groups,
        },
        .probe          = lm8323_probe,
        .remove         = lm8323_remove,