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Groups > linux.kernel > #1516815
| From | Eduardo Valentin <edubezval@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCHv2 27/49] thermal: core: group functions related to governor handling |
| Date | 2016-11-08 06:30 +0100 |
| Message-ID | <sB78R-572-11@gated-at.bofh.it> (permalink) |
| References | <sB6Pv-4XD-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Organize thermal core code to group the functions
handling with governor manipulation in one single section.
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 | 153 +++++++++++++++++++++--------------------
1 file changed, 80 insertions(+), 73 deletions(-)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 519aa94..e36a6a6 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -64,6 +64,13 @@ static atomic_t in_suspend;
static struct thermal_governor *def_governor;
+/*
+ * Governor section: set of functions to handle thermal governors
+ *
+ * Functions to help in the life cycle of thermal governors within
+ * the thermal core and by the thermal governor code.
+ */
+
static struct thermal_governor *__find_governor(const char *name)
{
struct thermal_governor *pos;
@@ -206,6 +213,79 @@ void thermal_unregister_governor(struct thermal_governor *governor)
return;
}
+int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
+ char *policy)
+{
+ struct thermal_governor *gov;
+ int ret = -EINVAL;
+
+ mutex_lock(&thermal_governor_lock);
+ mutex_lock(&tz->lock);
+
+ gov = __find_governor(strim(policy));
+ if (!gov)
+ goto exit;
+
+ ret = thermal_set_governor(tz, gov);
+
+exit:
+ mutex_unlock(&tz->lock);
+ mutex_unlock(&thermal_governor_lock);
+
+ return ret;
+}
+
+int thermal_build_list_of_policies(char *buf)
+{
+ struct thermal_governor *pos;
+ ssize_t count = 0;
+ ssize_t size = PAGE_SIZE;
+
+ mutex_lock(&thermal_governor_lock);
+
+ list_for_each_entry(pos, &thermal_governor_list, governor_list) {
+ size = PAGE_SIZE - count;
+ count += scnprintf(buf + count, size, "%s ", pos->name);
+ }
+ count += scnprintf(buf + count, size, "\n");
+
+ mutex_unlock(&thermal_governor_lock);
+
+ return count;
+}
+
+static int __init thermal_register_governors(void)
+{
+ int result;
+
+ result = thermal_gov_step_wise_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_fair_share_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_bang_bang_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_user_space_register();
+ if (result)
+ return result;
+
+ return thermal_gov_power_allocator_register();
+}
+
+static void thermal_unregister_governors(void)
+{
+ thermal_gov_step_wise_unregister();
+ thermal_gov_fair_share_unregister();
+ thermal_gov_bang_bang_unregister();
+ thermal_gov_user_space_unregister();
+ thermal_gov_power_allocator_unregister();
+}
+
static int get_idr(struct idr *idr, struct mutex *lock, int *id)
{
int ret;
@@ -617,47 +697,6 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
mutex_unlock(&thermal_list_lock);
}
-int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
- char *policy)
-{
- struct thermal_governor *gov;
- int ret = -EINVAL;
-
- mutex_lock(&thermal_governor_lock);
- mutex_lock(&tz->lock);
-
- gov = __find_governor(strim(policy));
- if (!gov)
- goto exit;
-
- ret = thermal_set_governor(tz, gov);
-
-exit:
- mutex_unlock(&tz->lock);
- mutex_unlock(&thermal_governor_lock);
-
- return ret;
-}
-
-int thermal_build_list_of_policies(char *buf)
-{
- struct thermal_governor *pos;
- ssize_t count = 0;
- ssize_t size = PAGE_SIZE;
-
- mutex_lock(&thermal_governor_lock);
-
- list_for_each_entry(pos, &thermal_governor_list, governor_list) {
- size = PAGE_SIZE - count;
- count += scnprintf(buf + count, size, "%s ", pos->name);
- }
- count += scnprintf(buf + count, size, "\n");
-
- mutex_unlock(&thermal_governor_lock);
-
- return count;
-}
-
/* Device management */
/**
@@ -1424,38 +1463,6 @@ static inline int genetlink_init(void) { return 0; }
static inline void genetlink_exit(void) {}
#endif /* !CONFIG_NET */
-static int __init thermal_register_governors(void)
-{
- int result;
-
- result = thermal_gov_step_wise_register();
- if (result)
- return result;
-
- result = thermal_gov_fair_share_register();
- if (result)
- return result;
-
- result = thermal_gov_bang_bang_register();
- if (result)
- return result;
-
- result = thermal_gov_user_space_register();
- if (result)
- return result;
-
- return thermal_gov_power_allocator_register();
-}
-
-static void thermal_unregister_governors(void)
-{
- thermal_gov_step_wise_unregister();
- thermal_gov_fair_share_unregister();
- thermal_gov_bang_bang_unregister();
- thermal_gov_user_space_unregister();
- thermal_gov_power_allocator_unregister();
-}
-
static int thermal_pm_notify(struct notifier_block *nb,
unsigned long mode, void *_unused)
{
--
2.1.4
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[PATCHv2 00/49] thermal: reorganizing thermal core Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:10 +0100 [PATCHv2 03/49] thermal: core: group device_create_file() calls that are always created Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:10 +0100 [PATCHv2 16/49] thermal: core: split passive_store Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 18/49] thermal: core: split available_policies_show() Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 30/49] thermal: core: move __unbind() helper to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 39/49] thermal: core: add a comment describing the device management section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 24/49] thermal: core: move cooling device sysfs to thermal_sysfs.c Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 37/49] thermal: core: add a comment describing the main update loop Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 36/49] thermal: core: move notify to the zone update section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 05/49] thermal: core: move emul_temp creation to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 07/49] thermal: core: move passive attr to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 38/49] thermal: core: add a comment describing the power actor section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 12/49] thermal: core: move the trip attrs to the tz sysfs I/F section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 09/49] thermal: core: move power actor code out of sysfs I/F section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 46/49] thermal: core: improve kerneldoc entry of thermal_cooling_device_unregister Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 48/49] thermal: sysfs: use kcalloc() instead of kzalloc() Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 17/49] thermal: core: split policy_store Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 23/49] thermal: core: move to_cooling_device macro to header file Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 33/49] thermal: core: fix couple of style issues on __bind() helper Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 19/49] thermal: core: move to_thermal_zone() macro to header file Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 21/49] thermal: core: match parenthesis on code alignment Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 43/49] thermal: core: standardize line breaking alignment Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 22/49] thermal: core: move thermal_zone sysfs to thermal_sysfs.c Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 40/49] thermal: sysfs: remove symbols of emul_temp when config is disabled Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 11/49] thermal: core: fix style on remove_trip_attrs() Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 32/49] thermal: core: move bind_tz() to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 41/49] thermal: core: remove FSF address in the GPL notice Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 02/49] thermal: core: group thermal_zone DEVICE_ATTR's declarations Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 14/49] thermal: core: move trips attributes to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 20/49] thermal: core: treat correctly the return value of *scanf calls Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:20 +0100 [PATCHv2 29/49] thermal: core: small style fix on __unbind() helper Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 10/49] thermal: core: remove useless empty line Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 28/49] thermal: core: move idr handling to device management section Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 04/49] thermal: core: use dev.groups to manage always present tz attributes Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 06/49] thermal: core: move mode attribute to tz->device.groups Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 01/49] thermal: core: prevent zones with no types to be registered Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 42/49] thermal: core: small style fix when checking for __find_governor() Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 44/49] thermal: core: remove void function return statements Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 27/49] thermal: core: group functions related to governor handling Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 35/49] thermal: core: add inline to print_bind_err_msg() Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 25/49] thermal: core: remove a couple of style issues on helpers Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 13/49] thermal: core: create tz->device.groups dynamically Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 49/49] thermal: core: move slop and offset helpers to thermal_helpers.c Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 31/49] thermal: core: move bind_cdev() to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:30 +0100 [PATCHv2 45/49] thermal: core: remove style warnings and checks Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:40 +0100 [PATCHv2 26/49] thermal: core: introduce thermal_helpers.c Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 06:40 +0100 [PATCHv2 47/49] thermal: core: use kzalloc(sizeof(*ptr),...) Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 07:10 +0100 [PATCHv2 15/49] thermal: core: remove unnecessary device_remove() calls Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 07:20 +0100 [PATCHv2 08/49] thermal: core: improve power actor documentation Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 10:00 +0100 [PATCHv2 34/49] thermal: core: move __bind() to where it is used Eduardo Valentin <edubezval@gmail.com> - 2016-11-08 10:10 +0100
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