From: Guenter Roeck <linux@roeck-us.net>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org,
netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
platform-driver-x86@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-renesas-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org,
"Emmanuel Grumbach" <emmanuel.grumbach@intel.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
"Vishal Kulkarni" <vishal@chelsio.com>,
"Luca Coelho" <luciano.coelho@intel.com>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
kernel@collabora.com, "Fabio Estevam" <festevam@gmail.com>,
"Amit Kucheria" <amit.kucheria@verdurent.com>,
"Chunyan Zhang" <zhang.lyra@gmail.com>,
"Daniel Lezcano" <daniel.lezcano@linaro.org>,
"Allison Randal" <allison@lohutok.net>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Darren Hart" <dvhart@infradead.org>,
"Zhang Rui" <rui.zhang@intel.com>,
"Gayatri Kammela" <gayatri.kammela@intel.com>,
"Len Brown" <lenb@kernel.org>,
"Johannes Berg" <johannes.berg@intel.com>,
"Intel Linux Wireless" <linuxwifi@intel.com>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Ido Schimmel" <idosch@mellanox.com>,
"Baolin Wang" <baolin.wang7@gmail.com>,
"Jiri Pirko" <jiri@mellanox.com>,
"Orson Zhai" <orsonzhai@gmail.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Kalle Valo" <kvalo@codeaurora.org>,
"Support Opensource" <support.opensource@diasemi.com>,
"Enrico Weigelt" <info@metux.net>,
"Peter Kaestle" <peter@piie.net>,
"Sebastian Reichel" <sre@kernel.org>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Shawn Guo" <shawnguo@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
"Andy Shevchenko" <andy@infradead.org>
Subject: Re: [PATCH v4 06/11] thermal: Add mode helpers
Date: Fri, 29 May 2020 08:52:06 -0700 [thread overview]
Message-ID: <20200529155206.GA158553@roeck-us.net> (raw)
On Thu, May 28, 2020 at 09:20:46PM +0200, Andrzej Pietrasiewicz wrote:
> Prepare for making the drivers not access tzd's private members.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
> ---
> drivers/thermal/thermal_core.c | 53 ++++++++++++++++++++++++++++++++++
> include/linux/thermal.h | 13 +++++++++
> 2 files changed, 66 insertions(+)
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 14d3b1b94c4f..f2a5c5ee3455 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -459,6 +459,59 @@ static void thermal_zone_device_reset(struct thermal_zone_device *tz)
> thermal_zone_device_init(tz);
> }
>
> +int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
> + enum thermal_device_mode mode)
> +{
> + int ret = 0;
> +
> + mutex_lock(&tz->lock);
> +
> + /* do nothing if mode isn't changing */
> + if (mode == tz->mode) {
> + mutex_unlock(&tz->lock);
> +
Nit: unnecessary empty line.
> + return ret;
> + }
> +
> + if (tz->ops->set_mode)
> + ret = tz->ops->set_mode(tz, mode);
> +
> + if (!ret)
> + tz->mode = mode;
> +
> + mutex_unlock(&tz->lock);
> +
> + thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
> +
> + return ret;
> +}
> +
> +int thermal_zone_device_enable(struct thermal_zone_device *tz)
> +{
> + return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_ENABLED);
> +}
> +EXPORT_SYMBOL(thermal_zone_device_enable);
Other exports in thermal/ use EXPORT_SYMBOL_GPL.
> +
> +int thermal_zone_device_disable(struct thermal_zone_device *tz)
> +{
> + return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_DISABLED);
> +}
> +EXPORT_SYMBOL(thermal_zone_device_disable);
> +
> +int thermal_zone_device_is_enabled(struct thermal_zone_device *tz)
> +{
> + enum thermal_device_mode mode;
> +
> + mutex_lock(&tz->lock);
> +
> + mode = tz->mode;
> +
> + mutex_unlock(&tz->lock);
> +
> + return mode == THERMAL_DEVICE_ENABLED;
> +}
> +EXPORT_SYMBOL(thermal_zone_device_is_enabled);
> +
> void thermal_zone_device_update(struct thermal_zone_device *tz,
> enum thermal_notify_event event)
> {
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index a808f6fa2777..df013c39ba9b 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -416,6 +416,9 @@ int thermal_zone_get_offset(struct thermal_zone_device *tz);
>
> void thermal_cdev_update(struct thermal_cooling_device *);
> void thermal_notify_framework(struct thermal_zone_device *, int);
> +int thermal_zone_device_enable(struct thermal_zone_device *tz);
> +int thermal_zone_device_disable(struct thermal_zone_device *tz);
> +int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
> #else
> static inline struct thermal_zone_device *thermal_zone_device_register(
> const char *type, int trips, int mask, void *devdata,
> @@ -463,6 +466,16 @@ static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
> static inline void thermal_notify_framework(struct thermal_zone_device *tz,
> int trip)
> { }
> +
> +static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
> +{ return -ENODEV; }
> +
> +static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
> +{ return -ENODEV; }
> +
> +static inline int
> +thermal_zone_device_is_enabled(struct thermal_zone_device *tz)
> +{ return -ENODEV; }
> #endif /* CONFIG_THERMAL */
>
> #endif /* __THERMAL_H__ */
next reply other threads:[~2020-05-29 15:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 15:52 Guenter Roeck [this message]
2020-06-01 11:16 ` [PATCH v4 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-01 13:40 ` Guenter Roeck
[not found] <Message-ID: <4493c0e4-51aa-3907-810c-74949ff27ca4@samsung.com>
2020-05-28 19:20 ` [PATCH v4 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-05-28 19:20 ` [PATCH v4 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-24 9:49 ` Bartlomiej Zolnierkiewicz
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