Input: atkbd - switch to using dev_groups for driver-specific attributes
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Sat, 3 Sep 2022 05:11:17 +0000 (22:11 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sat, 3 Sep 2022 19:31:18 +0000 (12:31 -0700)
The driver core now has the ability to handle the creation and removal
of device-specific sysfs files, let's use it instead of registering and
unregistering attributes by hand.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220903051119.1332808-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/keyboard/atkbd.c

index d4131236d18c5442d000e8bb568e8c9161b49a7c..246958795f606ea72d0a5855d0f21ccc675930be 100644 (file)
@@ -323,11 +323,13 @@ static umode_t atkbd_attr_is_visible(struct kobject *kobj,
        return attr->mode;
 }
 
-static struct attribute_group atkbd_attribute_group = {
+static const struct attribute_group atkbd_attribute_group = {
        .attrs  = atkbd_attributes,
        .is_visible = atkbd_attr_is_visible,
 };
 
+__ATTRIBUTE_GROUPS(atkbd_attribute);
+
 static const unsigned int xl_table[] = {
        ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
        ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
@@ -922,8 +924,6 @@ static void atkbd_disconnect(struct serio *serio)
 {
        struct atkbd *atkbd = serio_get_drvdata(serio);
 
-       sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
-
        atkbd_disable(atkbd);
 
        input_unregister_device(atkbd->dev);
@@ -1271,21 +1271,16 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
        atkbd_set_keycode_table(atkbd);
        atkbd_set_device_attrs(atkbd);
 
-       err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
-       if (err)
-               goto fail3;
-
        atkbd_enable(atkbd);
        if (serio->write)
                atkbd_activate(atkbd);
 
        err = input_register_device(atkbd->dev);
        if (err)
-               goto fail4;
+               goto fail3;
 
        return 0;
 
- fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
  fail3:        serio_close(serio);
  fail2:        serio_set_drvdata(serio, NULL);
  fail1:        input_free_device(dev);
@@ -1378,7 +1373,8 @@ MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
 
 static struct serio_driver atkbd_drv = {
        .driver         = {
-               .name   = "atkbd",
+               .name           = "atkbd",
+               .dev_groups     = atkbd_attribute_groups,
        },
        .description    = DRIVER_DESC,
        .id_table       = atkbd_serio_ids,