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Diffstat (limited to 'Documentation/thermal/cpu-cooling-api.txt')
| -rw-r--r-- | Documentation/thermal/cpu-cooling-api.txt | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Documentation/thermal/cpu-cooling-api.txt b/Documentation/thermal/cpu-cooling-api.txt index fca24c931ec8..753e47cc2e20 100644 --- a/Documentation/thermal/cpu-cooling-api.txt +++ b/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. |