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Message-ID: <1366218743-20841-16-git-send-email-eduardo.valentin@ti.com>
Date: Wed, 17 Apr 2013 13:12:08 -0400
From: Eduardo Valentin <eduardo.valentin@...com>
To: <amit.kachhap@...aro.org>
CC: Eduardo Valentin <eduardo.valentin@...com>,
Zhang Rui <rui.zhang@...el.com>, <linux-pm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH 15/30] thermal: cpu_cooling: update documentation for cpufreq_apply_cooling
Update kernel-doc comments for cpufreq_apply_cooling function.
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@...com>
---
drivers/thermal/cpu_cooling.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 593da29..934c0b0 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -265,6 +265,12 @@ static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level)
* @cpufreq_device: cpufreq_cooling_device pointer containing frequency
* clipping data.
* @cooling_state: value of the cooling state.
+ *
+ * Function used to make sure the cpufreq layer is aware of current thermal
+ * limits. The limits are applied by updating the cpufreq policy.
+ *
+ * Return: 0 on success, an error code otherwise (-EINVAL in case wrong
+ * cooling state).
*/
static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
unsigned long cooling_state)
--
1.8.2.1.342.gfa7285d
--
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