Re: [PATCH v7 06/20] PM / devfreq: exynos: Add support of bus frequency of sub-blocks using passive governor

[MyungJoo Ham]

>   
>  This patch adds the support of bus frequency feature for sub-blocks which share
> the one power line. If each bus depends on the power line, each bus is not able
> to change the voltage by oneself. To optimize the power-consumption on runtime,
> some buses using the same power line should change the source clock and
> regulator at the same time. So, this patch uses the passive governor to support
> the bus frequency for all buses which sharing the one power line.
> 
[]
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> [tjakobi: Reported debugfs error during booting and cw00.choi fix it.]
> Reported-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx>

Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>