From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Smirnov Subject: [PATCH v2 01/13] thermal_hwmon: Add devres wrapper for thermal_add_hwmon_sysfs() Date: Fri, 22 Feb 2019 12:04:56 -0800 Message-ID: <20190222200508.26325-2-andrew.smirnov@gmail.com> References: <20190222200508.26325-1-andrew.smirnov@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190222200508.26325-1-andrew.smirnov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-pm@vger.kernel.org Cc: Andrey Smirnov , Chris Healy , Lucas Stach , Zhang Rui , Eduardo Valentin , Daniel Lezcano , linux-imx@nxp.com, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org Add devres wrapper for thermal_add_hwmon_sysfs() to simplify driver code. Signed-off-by: Andrey Smirnov Cc: Chris Healy Cc: Lucas Stach Cc: Zhang Rui Cc: Eduardo Valentin Cc: Daniel Lezcano Cc: linux-imx@nxp.com Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/thermal/thermal_hwmon.c | 28 ++++++++++++++++++++++++++++ drivers/thermal/thermal_hwmon.h | 7 +++++++ 2 files changed, 35 insertions(+) diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index 40c69a533b24..4e79524182e1 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -244,3 +244,31 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz) kfree(hwmon); } EXPORT_SYMBOL_GPL(thermal_remove_hwmon_sysfs); + +static void devm_thermal_hwmon_release(struct device *dev, void *res) +{ + thermal_remove_hwmon_sysfs(*(struct thermal_zone_device **)res); +} + +int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +{ + struct thermal_zone_device **ptr; + int ret; + + ptr = devres_alloc(devm_thermal_hwmon_release, sizeof(*ptr), + GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + ret = thermal_add_hwmon_sysfs(tz); + if (ret) { + devres_free(ptr); + return ret; + } + + *ptr = tz; + devres_add(&tz->device, ptr); + + return ret; +} +EXPORT_SYMBOL_GPL(devm_thermal_add_hwmon_sysfs); diff --git a/drivers/thermal/thermal_hwmon.h b/drivers/thermal/thermal_hwmon.h index a160b9d62dd0..1a9d65f6a6a8 100644 --- a/drivers/thermal/thermal_hwmon.h +++ b/drivers/thermal/thermal_hwmon.h @@ -17,6 +17,7 @@ #ifdef CONFIG_THERMAL_HWMON int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz); +int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz); void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz); #else static inline int @@ -25,6 +26,12 @@ thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) return 0; } +static inline int +devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +{ + return 0; +} + static inline void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz) { -- 2.20.1