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Documentation: thermal: document of_cpufreq_cooling_register()

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Commit 39d99cff76 ("thermal: cpu_cooling: introduce
of_cpufreq_cooling_register") taught the cpu cooling device to register
devices that were linked to the device tree but didn't update the
cpu-cooling-api documentation.  Fix it.

Cc: Amit Daniel Kachhap <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Signed-off-by: Javi Merino <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
This commit is contained in:
Javi Merino 2015-01-06 18:14:25 +00:00 • committed by Eduardo Valentin
commit 9477e18dd5
1 changed files with 13 additions and 2 deletions
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15
Documentation/thermal/cpu-cooling-api.txt
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@ -3,7 +3,7 @@ CPU cooling APIs How To
Written by Amit Daniel Kachhap <[email protected]>
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.