linux-kernel - [PATCH 02/22] Input: cyapa - use device core to create driver-specific device attributes

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Message-ID: <20230729005133.1095051-2-dmitry.torokhov@gmail.com>
Date:   Fri, 28 Jul 2023 17:51:11 -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 02/22] Input: cyapa - 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/mouse/cyapa.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
index 6a876ba617ef..f9b4a7458b4e 100644
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@@ -1225,7 +1225,7 @@ static DEVICE_ATTR(baseline, S_IRUGO, cyapa_show_baseline, NULL);
 static DEVICE_ATTR(calibrate, S_IWUSR, NULL, cyapa_calibrate_store);
 static DEVICE_ATTR(mode, S_IRUGO, cyapa_show_mode, NULL);
 
-static struct attribute *cyapa_sysfs_entries[] = {
+static struct attribute *cyapa_attrs[] = {
 	&dev_attr_firmware_version.attr,
 	&dev_attr_product_id.attr,
 	&dev_attr_update_fw.attr,
@@ -1234,10 +1234,7 @@ static struct attribute *cyapa_sysfs_entries[] = {
 	&dev_attr_mode.attr,
 	NULL,
 };
-
-static const struct attribute_group cyapa_sysfs_group = {
-	.attrs = cyapa_sysfs_entries,
-};
+ATTRIBUTE_GROUPS(cyapa);
 
 static void cyapa_disable_regulator(void *data)
 {
@@ -1304,12 +1301,6 @@ static int cyapa_probe(struct i2c_client *client)
 		return error;
 	}
 
-	error = devm_device_add_group(dev, &cyapa_sysfs_group);
-	if (error) {
-		dev_err(dev, "failed to create sysfs entries: %d\n", error);
-		return error;
-	}
-
 	error = cyapa_prepare_wakeup_controls(cyapa);
 	if (error) {
 		dev_err(dev, "failed to prepare wakeup controls: %d\n", error);
@@ -1486,6 +1477,7 @@ MODULE_DEVICE_TABLE(of, cyapa_of_match);
 static struct i2c_driver cyapa_driver = {
 	.driver = {
 		.name = "cyapa",
+		.dev_groups = cyapa_groups,
 		.pm = pm_ptr(&cyapa_pm_ops),
 		.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
 		.of_match_table = of_match_ptr(cyapa_of_match),
-- 
2.41.0.487.g6d72f3e995-goog