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Message-ID: <20240710234855.311366-1-dmitry.torokhov@gmail.com>
Date: Wed, 10 Jul 2024 16:48:53 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: linux-input@...r.kernel.org
Cc: usbb2k-api-dev@...gnu.org,
	linux-kernel@...r.kernel.org,
	Henk Vergonet <Henk.Vergonet@...il.com>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: [PATCH 1/2] Input: yealink - use driver core to instantiate device attributes

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@...il.com>
---
 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


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