From 3d0055d2b252d9bbae8c064b37dd444b77f4c4c1 Mon Sep 17 00:00:00 2001 From: Eduardo Valentin Date: Mon, 7 Nov 2016 21:08:54 -0800 Subject: [PATCH] thermal: core: split passive_store Split passive_store between sysfs handling and thermal core internal data handling. Cc: Zhang Rui Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin Signed-off-by: Zhang Rui --- 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 6100ae70ccfb..4e315c979f89 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -720,6 +720,43 @@ 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) \ @@ -922,7 +959,6 @@ 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)) @@ -935,30 +971,14 @@ 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 749d41abfbab..a765c753c62c 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);