Re: [PATCH v5 0/6] add cpuidle support for Exynos5420

From: Chander Kashyap
Date: Wed May 14 2014 - 06:43:27 EST


Hi Daniel,

On 14 May 2014 15:26, Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> wrote:
> On 05/14/2014 10:03 AM, Chander Kashyap wrote:
>>
>> Exynos5420 is a big-little Soc from Samsung. It has 4 A15 and 4 A7 cores.
>>
>> This patchset adds cpuidle support for Exynos5420 SoC based on
>> generic big.little cpuidle driver.
>
>
> Hi Chander,
>
> just a side question. I am not succeeding to have both cluster A7/A15 with
> the upstream kernel.
>
> How can I test your driver ?

Hmm on octa can be tested only for 4 cores. as cci is disabled.

>
> Did I miss something ?
>
> Thanks
> -- Daniel
>
>
>> Tested on SMDK5420.
>>
>> This patch set depends on:
>> 1. [PATCH 0/5] MCPM backend for Exynos5420
>> http://www.spinics.net/lists/arm-kernel/msg331100.html
>> Changelog is in respective patches.
>> Chander Kashyap (5):
>> driver: cpuidle-big-little: add of_device_id structure
>> arm: exynos: add generic function to calculate cpu number
>> cpuidle: config: Add ARCH_EXYNOS entry to select cpuidle-big-little
>> driver
>> driver: cpuidle: cpuidle-big-little: init driver for Exynos5420
>> exynos: cpuidle: do not allow cpuidle registration for Exynos5420
>> mcpm: exynos: populate suspend and powered_up callbacks
>>
>> arch/arm/mach-exynos/cpuidle.c | 3 +++
>> arch/arm/mach-exynos/mcpm-exynos.c | 36
>> ++++++++++++++++++++++++++++++++++
>> arch/arm/mach-exynos/regs-pmu.h | 9 +++++++++
>> drivers/cpuidle/Kconfig.arm | 2 +-
>> drivers/cpuidle/cpuidle-big_little.c | 12 +++++++++++-
>> 5 files changed, 60 insertions(+), 2 deletions(-)
>>
>
>
> --
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--
with warm regards,
Chander Kashyap
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