Hi Paul,
On 09/12/2014 05:41 PM, Paul Bolle wrote:
> On Fri, 2014-09-05 at 13:30 +0900, Chanwoo Choi wrote:
>> This patch add exynos-ppmu devfreq event driver to provider raw data about
>> the utilization of each IP in Exynos SoC series.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>> ---
>> drivers/devfreq/Kconfig | 10 +
>> drivers/devfreq/event/Makefile | 1 +
>> drivers/devfreq/event/exynos-ppmu.c | 410 ++++++++++++++++++++++++++++++++++++
>> 3 files changed, 421 insertions(+)
>> create mode 100644 drivers/devfreq/event/exynos-ppmu.c
>>
>> diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
>> index ef839e7..4fbbcea 100644
>> --- a/drivers/devfreq/Kconfig
>> +++ b/drivers/devfreq/Kconfig
>> @@ -90,4 +90,14 @@ config ARM_EXYNOS5_BUS_DEVFREQ
>>
>> comment "DEVFREQ Event Drivers"
>>
>> +config DEVFREQ_EVENT_EXYNOS_PPMU
>> + bool "EXYNOS PPMU (Performance Profiling Monitoring Unit) DEVFREQ event Driver"
>> + depends on ARCH_EXYNOS
>> + select ARCH_HAS_OPP
>
> This select statement can be dropped: see commit 78c5e0bb145d ("PM /
> OPP: Remove ARCH_HAS_OPP").
I'll drop it.
>
> By the way: there's a typo in the commit summary ("evnet").
My mistake, I'll fix typo.
Thanks for your review.
Chanwoo Choi
>
>> + select PM_OPP
>> + help
>> + This add the DEVFREQ event driver for Exynos SoC. It provides PPMU
>> + (Performance Profiling Monitoring Unit) counters to estimate the
>> + utilization of each module.
>> +
>> endif # PM_DEVFREQ
>
>
> Paul Bolle
>
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