linux-kernel - Re: [PATCH v5 08/12] dt-bindings: mediatek: Change the binding for mmsys clocks

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Message-ID: <1562290530.10428.6.camel@mtksdaap41>
Date:   Fri, 5 Jul 2019 09:35:30 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Ulrich Hecht <uli@...nd.eu>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Matthias Brugger <mbrugger@...e.com>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh@...nel.org>,
        Sean Wang <Sean.Wang@...iatek.com>,
        <devicetree@...r.kernel.org>, Stephen Boyd <sboyd@...nel.org>,
        "Michael Turquette" <mturquette@...libre.com>,
        Sean Wang <sean.wang@...nel.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        <linux-mediatek@...ts.infradead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        <matthias.bgg@...nel.org>,
        "Ulrich Hecht" <ulrich.hecht+renesas@...il.com>,
        linux-clk <linux-clk@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v5 08/12] dt-bindings: mediatek: Change the binding for
 mmsys clocks

Hi, Uli:

On Thu, 2019-07-04 at 17:33 +0200, Ulrich Hecht wrote:
> > On July 4, 2019 at 11:08 AM Matthias Brugger <matthias.bgg@...il.com> wrote:
> > You are right, it took far too long for me to respond with a new version of the
> > series. The problem I face is, that I use my mt8173 based chromebook for
> > testing. It needs some downstream patches and broke somewhere between my last
> > email and a few month ago.
> 
> If that Chromebook is an Acer R13 and you need a working kernel, you may want to have a look at https://github.com/uli/kernel/tree/elm-working-5.2 .

Thanks for your sample code, and your implementation is different than
Matthias' version. In your version, mmsys is a single device which has
clock function and display function, the clock function is placed in
clock driver folder and display function is placed in drm driver folder.
In Matthias' version, clock function is a sub device of mmsys. I've no
idea of which one is better. I would get more information to make better
decision.

Regards,
CK

> 
> CU
> Uli
> 
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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