Hi all, On 7/3/20 7:26 AM, Chanwoo Choi wrote:
Add the delayed timer to devfreq framework in order to support the periodical polling mode without stop caused by CPU idle state. Some Non-CPU device must need to monitor the device status like utilization regardless of CPU state. - patch1 explains the detailed reason why the delayed timer is required. - patch2 initializes that exynos5422-dmc device use delayed timer as default instead of deferrable timer. Chanwoo Choi (2): PM / devfreq: Add support delayed timer for polling mode memory: samsung: exynos5422-dmc: Use delayed timer as default Documentation/ABI/testing/sysfs-class-devfreq | 12 +++ drivers/devfreq/devfreq.c | 83 ++++++++++++++++++- drivers/memory/samsung/exynos5422-dmc.c | 1 + include/linux/devfreq.h | 9 ++ 4 files changed, 104 insertions(+), 1 deletion(-)
My apologizes for being late for the party. I wasn't able to run tests and I had to fix my setup after I messed up some scripts. The patch set looks good to me, so you can add my (to both patches): Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx> I have run these Willy's benchmark tests and I will send some follow up patches in a few minutes. Regards, Lukasz