linux-kernel - [PATCH] Input: elan_i2c - convert to use dev

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Message-Id: <20220729135816.2306989-1-gregkh@linuxfoundation.org>
Date:   Fri, 29 Jul 2022 15:58:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-input@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        "jingle.wu" <jingle.wu@....com.tw>, linux-kernel@...r.kernel.org
Subject: [PATCH] Input: elan_i2c - convert to use dev_groups

The driver core supports the ability to handle the creation and removal
of device-specific sysfs files in a race-free manner.  Take advantage of
that by converting this driver to use this by moving the sysfs
attributes into a group and assigning the dev_groups pointer to it.

Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Hans de Goede <hdegoede@...hat.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "jingle.wu" <jingle.wu@....com.tw>
Cc: linux-input@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/input/mouse/elan_i2c_core.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index e1758d5ffe42..d4eb59b55bf1 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1311,12 +1311,6 @@ static int elan_probe(struct i2c_client *client,
 		return error;
 	}
 
-	error = devm_device_add_groups(dev, elan_sysfs_groups);
-	if (error) {
-		dev_err(dev, "failed to create sysfs attributes: %d\n", error);
-		return error;
-	}
-
 	error = input_register_device(data->input);
 	if (error) {
 		dev_err(dev, "failed to register input device: %d\n", error);
@@ -1442,6 +1436,7 @@ static struct i2c_driver elan_driver = {
 		.acpi_match_table = ACPI_PTR(elan_acpi_id),
 		.of_match_table = of_match_ptr(elan_of_match),
 		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+		.dev_groups = elan_sysfs_groups,
 	},
 	.probe		= elan_probe,
 	.id_table	= elan_id,
-- 
2.37.1