openwrt/target/linux/generic/backport-5.15/830-v6.0-leds-turris-omnia-convert-to-use-dev_groups.patch

From a01633cd867b8ddf2d8321fe575dc3c54e037b09 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 29 Jul 2022 16:03:46 +0200
Subject: leds: turris-omnia: convert to use dev_groups
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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: Pavel Machek <pavel@ucw.cz>
Cc: linux-leds@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
---
 drivers/leds/leds-turris-omnia.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'drivers/leds/leds-turris-omnia.c')

--- a/drivers/leds/leds-turris-omnia.c
+++ b/drivers/leds/leds-turris-omnia.c
@@ -260,9 +260,6 @@ static int omnia_leds_probe(struct i2c_c
 		led += ret;
 	}
 
-	if (devm_device_add_groups(dev, omnia_led_controller_groups))
-		dev_warn(dev, "Could not add attribute group!\n");
-
 	return 0;
 }
 
@@ -304,6 +301,7 @@ static struct i2c_driver omnia_leds_driv
 	.driver		= {
 		.name	= "leds-turris-omnia",
 		.of_match_table = of_omnia_leds_match,
+		.dev_groups = omnia_led_controller_groups,
 	},
 };