On 2018/2/21 23:29, Daniel Lezcano wrote:
Register the ARM generic cpuidle driver as a cooling device.

Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
---
  drivers/cpuidle/cpuidle-arm.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index ddee1b6..c100915 100644
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -11,6 +11,7 @@
#define pr_fmt(fmt) "CPUidle arm: " fmt +#include <linux/cpu_cooling.h>
  #include <linux/cpuidle.h>
  #include <linux/cpumask.h>
  #include <linux/cpu_pm.h>
@@ -172,6 +173,10 @@ static int __init arm_idle_init(void)
                        goto out_fail;
        }
+ ret = cpuidle_cooling_register();
+       if (ret)
+               pr_warn("Failed to register the cpuidle cooling device\n");
+
SoC which uses Big-Little architecture doesn't use cpuidle-arm driver, is it
better to put cpuidle_cooling_register to cpuidle_register_driver, and use the
cpumask of cpuidle driver to register cpuidle cooling device intead of get it
from topology?
        return 0;
out_fail:


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