linux-kernel - [PATCH 22/22] Input: wdt87xx_i2c - use device core to create driver-specific device attributes

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Message-ID: <20230729005133.1095051-22-dmitry.torokhov@gmail.com>
Date:   Fri, 28 Jul 2023 17:51:31 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     linux-input@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 22/22] Input: wdt87xx_i2c - use device core to create driver-specific device attributes

Instead of creating driver-specific device attributes with
devm_device_add_group() have device core do this by setting up dev_groups
pointer in the driver structure.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/input/touchscreen/wdt87xx_i2c.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c b/drivers/input/touchscreen/wdt87xx_i2c.c
index cbc4750c53f9..128341a6696b 100644
--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@@ -944,10 +944,7 @@ static struct attribute *wdt87xx_attrs[] = {
 	&dev_attr_update_fw.attr,
 	NULL
 };
-
-static const struct attribute_group wdt87xx_attr_group = {
-	.attrs = wdt87xx_attrs,
-};
+ATTRIBUTE_GROUPS(wdt87xx);
 
 static void wdt87xx_report_contact(struct input_dev *input,
 				   struct wdt87xx_sys_param *param,
@@ -1104,12 +1101,6 @@ static int wdt87xx_ts_probe(struct i2c_client *client)
 		return error;
 	}
 
-	error = devm_device_add_group(&client->dev, &wdt87xx_attr_group);
-	if (error) {
-		dev_err(&client->dev, "create sysfs failed: %d\n", error);
-		return error;
-	}
-
 	return 0;
 }
 
@@ -1172,8 +1163,9 @@ static struct i2c_driver wdt87xx_driver = {
 	.probe		= wdt87xx_ts_probe,
 	.id_table	= wdt87xx_dev_id,
 	.driver	= {
-		.name	= WDT87XX_NAME,
-		.pm     = pm_sleep_ptr(&wdt87xx_pm_ops),
+		.name = WDT87XX_NAME,
+		.dev_groups = wdt87xx_groups,
+		.pm = pm_sleep_ptr(&wdt87xx_pm_ops),
 		.acpi_match_table = ACPI_PTR(wdt87xx_acpi_id),
 	},
 };
-- 
2.41.0.487.g6d72f3e995-goog