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From: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
To: linux-pm@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>, Jiri Pirko <jiri@mellanox.com>,
	Ido Schimmel <idosch@mellanox.com>,
	"David S . Miller" <davem@davemloft.net>,
	Peter Kaestle <peter@piie.net>,
	Darren Hart <dvhart@infradead.org>,
	Andy Shevchenko <andy@infradead.org>,
	Support Opensource <support.opensource@diasemi.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Amit Kucheria <amit.kucheria@verdurent.com>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Allison Randal <allison@lohutok.net>,
	Enrico Weigelt <info@metux.net>,
	Gayatri Kammela <gayatri.kammela@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-acpi@vger.kernel.org, netdev@vger.kernel.org,
	platform-driver-x86@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, kernel@collabora.com,
	Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Subject: [RFC v2 4/9] thermal: core: Let thermal zone device's mode be stored in its struct
Date: Tue, 14 Apr 2020 20:01:00 +0200	[thread overview]
Message-ID: <20200414180105.20042-5-andrzej.p@collabora.com> (raw)
In-Reply-To: <20200414180105.20042-1-andrzej.p@collabora.com>

All the drivers which provide ->get_mode()/->set_mode() methods store their
mode in a thermal_device_mode enum, so keep this information in struct
thermal_zone_device rather than scattered all over the place.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
---
 drivers/thermal/thermal_core.c  | 28 +++++++++++++++++++
 drivers/thermal/thermal_sysfs.c |  9 +++----
 include/linux/thermal.h         | 48 +++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 6 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 9a321dc548c8..cb0ff47f0dbe 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -469,6 +469,34 @@ static void thermal_zone_device_reset(struct thermal_zone_device *tz)
 	thermal_zone_device_init(tz);
 }
 
+int thermal_zone_device_get_mode(struct thermal_zone_device *tz,
+				 enum thermal_device_mode *mode)
+{
+	if (tz->ops->get_mode)
+		return tz->ops->get_mode(tz, mode);
+
+	*mode = tz->mode;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(thermal_zone_device_get_mode);
+
+int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
+				 enum thermal_device_mode mode)
+{
+	if (mode != THERMAL_DEVICE_DISABLED &&
+	    mode != THERMAL_DEVICE_ENABLED)
+		return -EINVAL;
+
+	if (tz->ops->set_mode)
+		return tz->ops->set_mode(tz, mode);
+
+	tz->mode = mode;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(thermal_zone_device_set_mode);
+
 void thermal_zone_device_update(struct thermal_zone_device *tz,
 				enum thermal_notify_event event)
 {
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index aa99edb4dff7..66d9691b8bd6 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -52,10 +52,7 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf)
 	enum thermal_device_mode mode;
 	int result;
 
-	if (!tz->ops->get_mode)
-		return -EPERM;
-
-	result = tz->ops->get_mode(tz, &mode);
+	result = thermal_zone_device_get_mode(tz, &mode);
 	if (result)
 		return result;
 
@@ -74,9 +71,9 @@ mode_store(struct device *dev, struct device_attribute *attr,
 		return -EPERM;
 
 	if (!strncmp(buf, "enabled", sizeof("enabled") - 1))
-		result = tz->ops->set_mode(tz, THERMAL_DEVICE_ENABLED);
+		result = thermal_zone_device_enable(tz);
 	else if (!strncmp(buf, "disabled", sizeof("disabled") - 1))
-		result = tz->ops->set_mode(tz, THERMAL_DEVICE_DISABLED);
+		result = thermal_zone_device_disable(tz);
 	else
 		result = -EINVAL;
 
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index c91b1e344d56..9ff8542b7e7d 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -143,6 +143,7 @@ struct thermal_attr {
  * @trip_temp_attrs:	attributes for trip points for sysfs: trip temperature
  * @trip_type_attrs:	attributes for trip points for sysfs: trip type
  * @trip_hyst_attrs:	attributes for trip points for sysfs: trip hysteresis
+ * @mode:		current mode of this thermal zone
  * @devdata:	private pointer for device private data
  * @trips:	number of trip points the thermal zone supports
  * @trips_disabled;	bitmap for disabled trips
@@ -185,6 +186,7 @@ struct thermal_zone_device {
 	struct thermal_attr *trip_temp_attrs;
 	struct thermal_attr *trip_type_attrs;
 	struct thermal_attr *trip_hyst_attrs;
+	enum thermal_device_mode mode;
 	void *devdata;
 	int trips;
 	unsigned long trips_disabled;	/* bitmap for disabled trips */
@@ -437,6 +439,19 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
 				     unsigned int);
 int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
 				       struct thermal_cooling_device *);
+
+int thermal_zone_device_get_mode(struct thermal_zone_device *tz,
+				 enum thermal_device_mode *mode);
+int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
+				 enum thermal_device_mode mode);
+
+static inline void
+thermal_zone_device_store_mode(struct thermal_zone_device *tz,
+			       enum thermal_device_mode mode)
+{
+	tz->mode = mode;
+}
+
 void thermal_zone_device_update(struct thermal_zone_device *,
 				enum thermal_notify_event);
 void thermal_zone_set_trips(struct thermal_zone_device *);
@@ -494,6 +509,17 @@ static inline int thermal_zone_unbind_cooling_device(
 	struct thermal_zone_device *tz, int trip,
 	struct thermal_cooling_device *cdev)
 { return -ENODEV; }
+static inline int thermal_zone_device_get_mode(struct thermal_zone_device *tz,
+					       enum thermal_device_mode *mode)
+{ return -ENODEV; }
+static inline int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
+					       enum thermal_device_mode mode)
+{ return -ENODEV; }
+static inline void
+thermal_zone_device_store_mode(struct thermal_zone_device *tz,
+			       enum thermal_device_mode mode)
+{ }
+
 static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
 					      enum thermal_notify_event event)
 { }
@@ -543,4 +569,26 @@ static inline void thermal_notify_framework(struct thermal_zone_device *tz,
 { }
 #endif /* CONFIG_THERMAL */
 
+static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
+{
+	return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_ENABLED);
+}
+
+static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
+{
+	return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_DISABLED);
+}
+
+static inline void
+thermal_zone_device_store_enabled(struct thermal_zone_device *tz)
+{
+	thermal_zone_device_store_mode(tz, THERMAL_DEVICE_ENABLED);
+}
+
+static inline void
+thermal_zone_device_store_disabled(struct thermal_zone_device *tz)
+{
+	thermal_zone_device_store_mode(tz, THERMAL_DEVICE_DISABLED);
+}
+
 #endif /* __THERMAL_H__ */
-- 
2.17.1


  parent reply	other threads:[~2020-04-14 18:03 UTC|newest]

Thread overview: 137+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-07 17:49 [RFC 0/8] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 1/8] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415091204eucas1p1983548c2db52d8d0c2a5367034ec80dd@eucas1p1.samsung.com>
2020-04-15  9:12     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 2/8] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415100543eucas1p24e24293da39844ca8791db86af5365a7@eucas1p2.samsung.com>
2020-04-15 10:05     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 3/8] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415100944eucas1p1dcfeb784e790ca2fc3417fd2797e3f5d@eucas1p1.samsung.com>
2020-04-15 10:09     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 4/8] thermal: core: Introduce THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 5/8] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 6/8] thermal: Set initial state to THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 7/8] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415101829eucas1p18e21324d3c39926fffc6c8b5dc52f206@eucas1p1.samsung.com>
2020-04-15 10:18     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 8/8] thermal: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-09 10:29 ` [RFC 0/8] Stop monitoring disabled devices Daniel Lezcano
2020-04-09 11:10   ` Andrzej Pietrasiewicz
     [not found]     ` <CGME20200415104010eucas1p101278e53e34a2e56dfc7c82b533a9122@eucas1p1.samsung.com>
2020-04-15 10:40       ` Bartlomiej Zolnierkiewicz
2020-04-17 16:23         ` Andrzej Pietrasiewicz
2020-04-19 11:42           ` Bartlomiej Zolnierkiewicz
2020-04-17 21:11         ` Peter Kästle
2020-04-14 18:00   ` [RFC v2 0/9] " Andrzej Pietrasiewicz
2020-04-14 18:00     ` [RFC v2 1/9] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
2020-04-15  9:23       ` Daniel Lezcano
2020-04-14 18:00     ` [RFC v2 2/9] thermal: Eliminate an always-false condition Andrzej Pietrasiewicz
2020-04-14 18:00     ` [RFC v2 3/9] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
2020-04-14 22:14       ` Daniel Lezcano
2020-04-14 18:01     ` Andrzej Pietrasiewicz [this message]
2020-04-14 22:30       ` [RFC v2 4/9] thermal: core: Let thermal zone device's mode be stored in its struct Daniel Lezcano
2020-04-14 18:01     ` [RFC v2 5/9] thermal: Store mode in thermal_zone_device Andrzej Pietrasiewicz
2020-04-15 10:55       ` Daniel Lezcano
2020-04-17 16:20         ` [RFC v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-17 16:20           ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-17 20:44             ` Andy Shevchenko
2020-04-19 11:38             ` Bartlomiej Zolnierkiewicz
2020-04-19 13:10               ` Bartlomiej Zolnierkiewicz
2020-04-20 18:17                 ` [PATCH 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-20 18:17                   ` [PATCH 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-22  7:49                     ` kbuild test robot
2020-04-22 17:14                       ` Andrzej Pietrasiewicz
2020-04-22 17:03                     ` kbuild test robot
2020-04-22 17:15                       ` Andrzej Pietrasiewicz
2020-04-20 18:17                   ` [PATCH 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-22 16:12                   ` [PATCH RESEND 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-23 14:39                     ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57                       ` [PATCH v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-23 16:57                         ` [PATCH v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-05-04  7:00                           ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57                         ` [PATCH v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-24  9:03                           ` Zhang, Rui
2020-04-27 14:20                             ` Zhang, Rui
2020-04-27 18:34                               ` Andrzej Pietrasiewicz
2020-04-28 13:55                                 ` Zhang, Rui
2020-04-20 11:03               ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-20 18:19                 ` Andrzej Pietrasiewicz
2020-05-23 21:24             ` Daniel Lezcano
2020-05-25 19:35               ` Andrzej Pietrasiewicz
2020-05-25 22:08                 ` Daniel Lezcano
2020-05-26 16:56                   ` Andrzej Pietrasiewicz
2020-05-27 13:30               ` Bartlomiej Zolnierkiewicz
2020-04-17 16:20           ` [RFC v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-19 13:50           ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Peter Kästle
2020-04-14 18:01     ` [RFC v2 6/9] thermal: Remove get_mode() method Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 7/9] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 8/9] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 9/9] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-14 21:52     ` [RFC v2 0/9] Stop monitoring disabled devices Ezequiel Garcia
     [not found] <Message-ID: <4493c0e4-51aa-3907-810c-74949ff27ca4@samsung.com>
2020-05-28 19:20 ` [PATCH v4 00/11] " Andrzej Pietrasiewicz
2020-05-28 19:20   ` [PATCH v4 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-05-29 14:50     ` Guenter Roeck
2020-06-24  8:16     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-05-29 14:48     ` Guenter Roeck
2020-05-29 15:13       ` Andrzej Pietrasiewicz
2020-05-29 15:34         ` Guenter Roeck
2020-06-24  9:38     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-05-29 14:51     ` Guenter Roeck
2020-06-24  9:39     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-24  9:40     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-24  9:47     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-24  9:49     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-24  9:51     ` Bartlomiej Zolnierkiewicz
2020-06-26 16:08       ` Andrzej Pietrasiewicz
2020-05-28 19:20   ` [PATCH v4 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-24 10:00     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-24 10:02     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-24 10:03     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-24 10:03     ` Bartlomiej Zolnierkiewicz
2020-06-01 11:36   ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Peter Kästle
2020-06-01 11:36   ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Peter Kästle
2020-06-01 11:37   ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Peter Kästle
2020-06-01 11:37   ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Peter Kästle
2020-06-01 11:38   ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Peter Kästle
2020-06-01 11:38   ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Peter Kästle
2020-06-23 14:37   ` [PATCH v4 00/11] Stop monitoring disabled devices Daniel Lezcano
2020-06-26 17:37     ` [PATCH v5 " Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29  7:20         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-26 20:50         ` kernel test robot
2020-06-26 20:50         ` [RFC PATCH] thermal: thermal_zone_device_set_mode() can be static kernel test robot
2020-06-26 20:55         ` [PATCH v5 06/11] thermal: Add mode helpers kernel test robot
2020-06-29  7:04         ` Amit Kucheria
2020-06-29 11:16           ` [PATCH v6 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-29 12:08               ` Daniel Lezcano
2020-06-29 11:16             ` [PATCH v6 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-01 10:02 ` [PATCH v4 00/11] Stop monitoring disabled devices Peter Kästle
2020-06-01 10:20   ` Andrzej Pietrasiewicz

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