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[PATCHv3 16/48] thermal: core: split passive_store

From Eduardo Valentin <edubezval@gmail.com>
Newsgroups linux.kernel
Subject [PATCHv3 16/48] thermal: core: split passive_store
Date 2016-05-31 00:30 +0200
Message-ID <rEDR7-1Zm-25@gated-at.bofh.it> (permalink)
References <rEDHr-1Vq-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Split passive_store between sysfs handling and thermal
core internal data handling.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
---
 drivers/thermal/thermal_core.c | 62 ++++++++++++++++++++++++++++--------------
 drivers/thermal/thermal_core.h |  4 +++
 2 files changed, 45 insertions(+), 21 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 61410c3..5f5a87e 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -663,6 +663,43 @@ int power_actor_set_power(struct thermal_cooling_device *cdev,
 	return 0;
 }
 
+void thermal_zone_device_rebind_exception(struct thermal_zone_device *tz,
+					  const char *cdev_type, size_t size)
+{
+	struct thermal_cooling_device *cdev = NULL;
+
+	mutex_lock(&thermal_list_lock);
+	list_for_each_entry(cdev, &thermal_cdev_list, node) {
+		/* skip non matching cdevs */
+		if (strncmp(cdev_type, cdev->type, size))
+			continue;
+
+		/* re binding the exception matching the type pattern */
+		thermal_zone_bind_cooling_device(tz, THERMAL_TRIPS_NONE, cdev,
+						 THERMAL_NO_LIMIT,
+						 THERMAL_NO_LIMIT,
+						 THERMAL_WEIGHT_DEFAULT);
+	}
+	mutex_unlock(&thermal_list_lock);
+}
+
+void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
+					  const char *cdev_type, size_t size)
+{
+	struct thermal_cooling_device *cdev = NULL;
+
+	mutex_lock(&thermal_list_lock);
+	list_for_each_entry(cdev, &thermal_cdev_list, node) {
+		/* skip non matching cdevs */
+		if (strncmp(cdev_type, cdev->type, size))
+			continue;
+		/* unbinding the exception matching the type pattern */
+		thermal_zone_unbind_cooling_device(tz, THERMAL_TRIPS_NONE,
+						   cdev);
+	}
+	mutex_unlock(&thermal_list_lock);
+}
+
 /* sys I/F for thermal zone */
 
 #define to_thermal_zone(_dev) \
@@ -862,7 +899,6 @@ passive_store(struct device *dev, struct device_attribute *attr,
 		    const char *buf, size_t count)
 {
 	struct thermal_zone_device *tz = to_thermal_zone(dev);
-	struct thermal_cooling_device *cdev = NULL;
 	int state;
 
 	if (!sscanf(buf, "%d\n", &state))
@@ -875,30 +911,14 @@ passive_store(struct device *dev, struct device_attribute *attr,
 		return -EINVAL;
 
 	if (state && !tz->forced_passive) {
-		mutex_lock(&thermal_list_lock);
-		list_for_each_entry(cdev, &thermal_cdev_list, node) {
-			if (!strncmp("Processor", cdev->type,
-				     sizeof("Processor")))
-				thermal_zone_bind_cooling_device(tz,
-						THERMAL_TRIPS_NONE, cdev,
-						THERMAL_NO_LIMIT,
-						THERMAL_NO_LIMIT,
-						THERMAL_WEIGHT_DEFAULT);
-		}
-		mutex_unlock(&thermal_list_lock);
 		if (!tz->passive_delay)
 			tz->passive_delay = 1000;
+		thermal_zone_device_rebind_exception(tz, "Processor",
+						     sizeof("Processor"));
 	} else if (!state && tz->forced_passive) {
-		mutex_lock(&thermal_list_lock);
-		list_for_each_entry(cdev, &thermal_cdev_list, node) {
-			if (!strncmp("Processor", cdev->type,
-				     sizeof("Processor")))
-				thermal_zone_unbind_cooling_device(tz,
-								   THERMAL_TRIPS_NONE,
-								   cdev);
-		}
-		mutex_unlock(&thermal_list_lock);
 		tz->passive_delay = 0;
+		thermal_zone_device_unbind_exception(tz, "Processor",
+						     sizeof("Processor"));
 	}
 
 	tz->forced_passive = state;
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 749d41a..a765c75 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -56,6 +56,10 @@ struct thermal_instance {
 
 int thermal_register_governor(struct thermal_governor *);
 void thermal_unregister_governor(struct thermal_governor *);
+void thermal_zone_device_rebind_exception(struct thermal_zone_device *,
+					  const char *, size_t);
+void thermal_zone_device_unbind_exception(struct thermal_zone_device *,
+					  const char *, size_t);
 
 #ifdef CONFIG_THERMAL_GOV_STEP_WISE
 int thermal_gov_step_wise_register(void);
-- 
2.1.4

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Thread

[PATCHv3 00/48] thermal: reorganizing thermal core Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 41/48] thermal: core: remove FSF address in the GPL notice Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 48/48] thermal: sysfs: use kcalloc() instead of kzalloc() Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 07/48] thermal: core: move passive attr to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 31/48] thermal: core: move bind_cdev() to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 40/48] thermal: sysfs: remove symbols of emul_temp when config is disabled Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:20 +0200
  [PATCHv3 19/48] thermal: core: move to_thermal_zone() macro to header file Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 37/48] thermal: core: add a comment describing the main update loop Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 32/48] thermal: core: move bind_tz() to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 16/48] thermal: core: split passive_store Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 02/48] thermal: core: group thermal_zone DEVICE_ATTR's declarations Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 06/48] thermal: core: move mode attribute to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 27/48] thermal: core: group functions related to governor handling Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 42/48] thermal: core: small style fix when checking for __find_governor() Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 20/48] thermal: core: treat correctly the return value of *scanf calls Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 26/48] thermal: core: introduce thermal_helpers.c Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 23/48] thermal: core: move to_cooling_device macro to header file Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 22/48] thermal: core: move thermal_zone sysfs to thermal_sysfs.c Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 28/48] thermal: core: move idr handling to device management section Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 36/48] thermal: core: move notify to the zone update section Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 25/48] thermal: core: remove a couple of style issues on helpers Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 10/48] thermal: core: remove useless empty line Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 09/48] thermal: core: move power actor code out of sysfs I/F section Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 21/48] thermal: core: match parenthesis on code alignment Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 03/48] thermal: core: group device_create_file() calls that are always created Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 24/48] thermal: core: move cooling device sysfs to thermal_sysfs.c Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 11/48] thermal: core: fix style on remove_trip_attrs() Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 35/48] thermal: core: add inline to print_bind_err_msg() Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 33/48] thermal: core: fix couple of style issues on __bind() helper Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 05/48] thermal: core: move emul_temp creation to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 12/48] thermal: core: move the trip attrs to the tz sysfs I/F section Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 14/48] thermal: core: move trips attributes to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 08/48] thermal: core: improve power actor documentation Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 30/48] thermal: core: move __unbind() helper to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 29/48] thermal: core: small style fix on __unbind() helper Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 38/48] thermal: core: add a comment describing the power actor section Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 18/48] thermal: core: split available_policies_show() Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  [PATCHv3 15/48] thermal: core: remove unnecessary device_remove() calls Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 00:30 +0200
  Re: [PATCHv3 00/48] thermal: reorganizing thermal core Keerthy <a0393675@ti.com> - 2016-05-31 06:30 +0200
    Re: [PATCHv3 00/48] thermal: reorganizing thermal core Eduardo Valentin <edubezval@gmail.com> - 2016-05-31 08:20 +0200

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