linux-kernel - Re: [PATCH 4/4] arm64: dts: allwinner: h6: Add CPU Operating Performance Points table

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Message-ID: <CAEExFWt84MmpoWeibVf4bBJXOuPy9P7RrAFmEx304zz5z1GHwQ@mail.gmail.com>
Date:   Fri, 15 Feb 2019 22:09:51 +0800
From:   Frank Lee <tiny.windzz@...il.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, robh+dt@...nel.org,
        mark.rutland@....com,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] arm64: dts: allwinner: h6: Add CPU Operating
 Performance Points table

On Fri, Feb 15, 2019 at 9:56 PM Maxime Ripard <maxime.ripard@...tlin.com> wrote:
>
> Hi
>
> On Fri, Feb 15, 2019 at 12:56:03AM +0800, Frank Lee wrote:
> > How about to implement a thermal driver that is not integrated with
> > gpadc ？
> >
> > GPADC on soc is rarely used now.
>
> You mean GPADC in general, or the gpadc driver in particular?
> Otherwise, yes, having a driver for the thermal sensor in the H6
> sounds like a good plan for thermal throttling, but I don't see it as
> a dependency for that whole series.
At present, sunxi's thermal driver is integrated with the gpadc driver.
I have a idea to implement the thermal driver alone. I haven't started yet,
and it may take a while to do it.

How about the plan to implement a thermal drive alone and put i
under drivers/thermal?

In addition to the cpu dvfs of H6, patch v2 has been sent.

Thanks,
Yangtao
>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com