linux-kernel - Re: [PATCH v7 3/6] PM / devfreq: exynos-bus: Add registration of interconnect child device

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Date:   Tue, 3 Nov 2020 23:07:34 +0900
From:   Chanwoo Choi <cwchoi00@...il.com>
To:     Sylwester Nawrocki <s.nawrocki@...sung.com>
Cc:     Chanwoo Choi <cw00.choi@...sung.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Artur Świgoń <a.swigon@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v7 3/6] PM / devfreq: exynos-bus: Add registration of
 interconnect child device

Hi Sylwester,

On Tue, Nov 3, 2020 at 9:32 PM Sylwester Nawrocki
<s.nawrocki@...sung.com> wrote:
>
> Hi Chanwoo,
>
> On 03.11.2020 11:45, Chanwoo Choi wrote:
> > On 10/30/20 9:51 PM, Sylwester Nawrocki wrote:
> >> This patch adds registration of a child platform device for the exynos
> >> interconnect driver. It is assumed that the interconnect provider will
> >> only be needed when #interconnect-cells property is present in the bus
> >> DT node, hence the child device will be created only when such a property
> >> is present.
> >>
> >> Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
>
> >>  drivers/devfreq/exynos-bus.c | 17 +++++++++++++++++
>
> > We don't need to  add 'select INTERCONNECT_EXYNOS' in Kconfig?
>
> I think by doing so we could run into some dependency issues.
>
> > Do you want to remain it as optional according to user?
> Yes, I would prefer to keep it selectable through defconfig.
> Currently it's only needed by one 32-bit ARM board.

OK.

-- 
Best Regards,
Chanwoo Choi