On 2018/2/21 23:29, Daniel Lezcano wrote:
Register the ARM generic cpuidle driver as a cooling device.
Signed-off-by: Daniel Lezcano <[email protected]>
---
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:
