Re: [PATCH v2] pmdomain: renesas: Adjust the waiting time to cover the worst case

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On Fri, Feb 9, 2024 at 12:56 AM Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxxxx> wrote:
> From: Dien Pham <dien.pham.ry@xxxxxxxxxxx>
>
> Description in HWM rev0.51E, 9.4 Usage notes, page 455 tells
>
>         "It takes several hundreds of microseconds to shutting off and
>          resuming power domain. Because actual time required for
>          shutting off and resuming depends on the status of on-board
>          power line, shutoff/resume time is not guaranteed by
>          electrical specification"
>
> Let's assume the safe value of waiting is about 1000us.
>
> Signed-off-by: Dien Pham <dien.pham.ry@xxxxxxxxxxx>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> Signed-off-by: Tho Vu <tho.vu.wh@xxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

I think you can drop that line ;-)

> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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