linux-kernel - [PATCH 4.19 v1 2/2] thermal/drivers/thermal_hwmon: Use hwmon_device_register_for

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Date:   Wed, 29 Jun 2022 22:58:42 +0000
From:   Will McVicker <willmcvicker@...gle.com>
To:     stable@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     kernel-team@...roid.com, Will McVicker <willmcvicker@...gle.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, "Rafael J . Wysocki" <rafael@...nel.org>
Subject: [PATCH 4.19 v1 2/2] thermal/drivers/thermal_hwmon: Use hwmon_device_register_for_thermal()

From: Guenter Roeck <linux@...ck-us.net>

[ upstream commit 87743bcf08072b3e1952a0bf5524b2833e667b4c ]

The thermal subsystem registers a hwmon device without providing chip
information or sysfs attribute groups. While undesirable, it would be
difficult to change. On the other side, it abuses the
hwmon_device_register_with_info API by not providing that information.
Use new API specifically created for the thermal subsystem instead to
let us enforce the 'chip' parameter for other callers of
hwmon_device_register_with_info().

Acked-by: Rafael J . Wysocki <rafael@...nel.org>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/thermal/thermal_hwmon.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index dd5d8ee37928..b3b229421936 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -147,8 +147,8 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 	INIT_LIST_HEAD(&hwmon->tz_list);
 	strlcpy(hwmon->type, tz->type, THERMAL_NAME_LENGTH);
 	strreplace(hwmon->type, '-', '_');
-	hwmon->device = hwmon_device_register_with_info(&tz->device, hwmon->type,
-							hwmon, NULL, NULL);
+	hwmon->device = hwmon_device_register_for_thermal(&tz->device,
+							  hwmon->type, hwmon);
 	if (IS_ERR(hwmon->device)) {
 		result = PTR_ERR(hwmon->device);
 		goto free_mem;
-- 
2.37.0.rc0.161.g10f37bed90-goog