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Merge branch 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux

Pull thermal fixes from Zhang Rui:
 "Specifics:

   - bogus type qualifier fix in OF thermal code.
   - Minor fixes on imx and rcar thermal drivers.
   - Update TI SoC thermal maintainer entry.
   - Updated documentation of OF cpufreq cooling register"

* 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: rcar: Spelling/grammar: s/drier use .../driver uses ...s/
  thermal: rcar: change type of ctemp in rcar_thermal_update_temp()
  thermal: rcar: fix ENR register value
  Documentation: thermal: document of_cpufreq_cooling_register()
  Thermal: imx: add clk disable/enable for suspend/resume
  MAINTAINERS: update ti-soc-thermal status
  MAINTAINERS: Add linux-omap to list of reviewers for TI Thermal
  thermal: of: Remove bogus type qualifier for of_thermal_get_trip_points()
Linus Torvalds 10 жил өмнө
parent
commit
f800c25b7a

+ 13 - 2
Documentation/thermal/cpu-cooling-api.txt

@@ -3,7 +3,7 @@ CPU cooling APIs How To
 
 Written by Amit Daniel Kachhap <amit.kachhap@linaro.org>
 
-Updated: 12 May 2012
+Updated: 6 Jan 2015
 
 Copyright (c)  2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
 
@@ -25,7 +25,18 @@ the user. The registration APIs returns the cooling device pointer.
 
    clip_cpus: cpumask of cpus where the frequency constraints will happen.
 
-1.1.2 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
+1.1.2 struct thermal_cooling_device *of_cpufreq_cooling_register(
+	struct device_node *np, const struct cpumask *clip_cpus)
+
+    This interface function registers the cpufreq cooling device with
+    the name "thermal-cpufreq-%x" linking it with a device tree node, in
+    order to bind it via the thermal DT code. This api can support multiple
+    instances of cpufreq cooling devices.
+
+    np: pointer to the cooling device device tree node
+    clip_cpus: cpumask of cpus where the frequency constraints will happen.
+
+1.1.3 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 
     This interface function unregisters the "thermal-cpufreq-%x" cooling device.
 

+ 2 - 1
MAINTAINERS

@@ -9543,7 +9543,8 @@ F:	drivers/platform/x86/thinkpad_acpi.c
 TI BANDGAP AND THERMAL DRIVER
 M:	Eduardo Valentin <edubezval@gmail.com>
 L:	linux-pm@vger.kernel.org
-S:	Supported
+L:	linux-omap@vger.kernel.org
+S:	Maintained
 F:	drivers/thermal/ti-soc-thermal/
 
 TI CLOCK DRIVER

+ 2 - 0
drivers/thermal/imx_thermal.c

@@ -608,6 +608,7 @@ static int imx_thermal_suspend(struct device *dev)
 	regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_MEASURE_TEMP);
 	regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_POWER_DOWN);
 	data->mode = THERMAL_DEVICE_DISABLED;
+	clk_disable_unprepare(data->thermal_clk);
 
 	return 0;
 }
@@ -617,6 +618,7 @@ static int imx_thermal_resume(struct device *dev)
 	struct imx_thermal_data *data = dev_get_drvdata(dev);
 	struct regmap *map = data->tempmon;
 
+	clk_prepare_enable(data->thermal_clk);
 	/* Enabled thermal sensor after resume */
 	regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN);
 	regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP);

+ 1 - 1
drivers/thermal/of-thermal.c

@@ -149,7 +149,7 @@ EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid);
  *
  * Return: pointer to trip points table, NULL otherwise
  */
-const struct thermal_trip * const
+const struct thermal_trip *
 of_thermal_get_trip_points(struct thermal_zone_device *tz)
 {
 	struct __thermal_zone *data = tz->devdata;

+ 11 - 6
drivers/thermal/rcar_thermal.c

@@ -63,7 +63,7 @@ struct rcar_thermal_priv {
 	struct mutex lock;
 	struct list_head list;
 	int id;
-	int ctemp;
+	u32 ctemp;
 };
 
 #define rcar_thermal_for_each_priv(pos, common)	\
@@ -145,7 +145,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
 {
 	struct device *dev = rcar_priv_to_dev(priv);
 	int i;
-	int ctemp, old, new;
+	u32 ctemp, old, new;
 	int ret = -EINVAL;
 
 	mutex_lock(&priv->lock);
@@ -372,6 +372,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 	int i;
 	int ret = -ENODEV;
 	int idle = IDLE_INTERVAL;
+	u32 enr_bits = 0;
 
 	common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL);
 	if (!common)
@@ -390,7 +391,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 
 		/*
 		 * platform has IRQ support.
-		 * Then, drier use common register
+		 * Then, driver uses common registers
 		 */
 
 		ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
@@ -408,9 +409,6 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 		if (IS_ERR(common->base))
 			return PTR_ERR(common->base);
 
-		/* enable temperature comparation */
-		rcar_thermal_common_write(common, ENR, 0x00030303);
-
 		idle = 0; /* polling delay is not needed */
 	}
 
@@ -452,8 +450,15 @@ static int rcar_thermal_probe(struct platform_device *pdev)
 			rcar_thermal_irq_enable(priv);
 
 		list_move_tail(&priv->list, &common->head);
+
+		/* update ENR bits */
+		enr_bits |= 3 << (i * 8);
 	}
 
+	/* enable temperature comparation */
+	if (irq)
+		rcar_thermal_common_write(common, ENR, enr_bits);
+
 	platform_set_drvdata(pdev, common);
 
 	dev_info(dev, "%d sensor probed\n", i);

+ 2 - 2
drivers/thermal/thermal_core.h

@@ -91,7 +91,7 @@ int of_parse_thermal_zones(void);
 void of_thermal_destroy_zones(void);
 int of_thermal_get_ntrips(struct thermal_zone_device *);
 bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
-const struct thermal_trip * const
+const struct thermal_trip *
 of_thermal_get_trip_points(struct thermal_zone_device *);
 #else
 static inline int of_parse_thermal_zones(void) { return 0; }
@@ -105,7 +105,7 @@ static inline bool of_thermal_is_trip_valid(struct thermal_zone_device *tz,
 {
 	return 0;
 }
-static inline const struct thermal_trip * const
+static inline const struct thermal_trip *
 of_thermal_get_trip_points(struct thermal_zone_device *tz)
 {
 	return NULL;