[PATCH 1/2] Input: yealink - use driver core to instantiate device attributes

From: Dmitry Torokhov
Date: Wed Jul 10 2024 - 19:49:52 EST


Instead of manually creating driver-specific device attributes
set struct usb_driver->dev_groups pointer to have the driver core
do it.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/input/misc/yealink.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index c3221b960a75..435a46baad9d 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -771,7 +771,7 @@ static DEVICE_ATTR(show_icon , _M220, NULL , show_icon );
static DEVICE_ATTR(hide_icon , _M220, NULL , hide_icon );
static DEVICE_ATTR(ringtone , _M220, NULL , store_ringtone);

-static struct attribute *yld_attributes[] = {
+static struct attribute *yld_attrs[] = {
&dev_attr_line1.attr,
&dev_attr_line2.attr,
&dev_attr_line3.attr,
@@ -782,10 +782,7 @@ static struct attribute *yld_attributes[] = {
&dev_attr_ringtone.attr,
NULL
};
-
-static const struct attribute_group yld_attr_group = {
- .attrs = yld_attributes
-};
+ATTRIBUTE_GROUPS(yld);

/*******************************************************************************
* Linux interface and usb initialisation
@@ -842,7 +839,6 @@ static void usb_disconnect(struct usb_interface *intf)

down_write(&sysfs_rwsema);
yld = usb_get_intfdata(intf);
- sysfs_remove_group(&intf->dev.kobj, &yld_attr_group);
usb_set_intfdata(intf, NULL);
up_write(&sysfs_rwsema);

@@ -975,8 +971,6 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
store_line3(&intf->dev, NULL,
DRIVER_VERSION, sizeof(DRIVER_VERSION));

- /* Register sysfs hooks (don't care about failure) */
- ret = sysfs_create_group(&intf->dev.kobj, &yld_attr_group);
return 0;
}

@@ -985,6 +979,7 @@ static struct usb_driver yealink_driver = {
.probe = usb_probe,
.disconnect = usb_disconnect,
.id_table = usb_table,
+ .dev_groups = yld_groups,
};

module_usb_driver(yealink_driver);
--
2.45.2.803.g4e1b14247a-goog