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Date:   Fri, 7 Sep 2018 16:08:41 +0800
From:   Guo Ren <ren_guo@c-sky.com>
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     linux-arch <linux-arch@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Jason Cooper <jason@lakedaemon.net>,
        c-sky_gcc_upstream@c-sky.com, gnu-csky@mentor.com,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        wbx@uclibc-ng.org, Greentime Hu <green.hu@gmail.com>
Subject: Re: [PATCH V3 17/26] csky: Misc headers
Message-ID: <20180907080840.GA22852@guoren>
References: <cover.1536138304.git.ren_guo@c-sky.com>
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On Fri, Sep 07, 2018 at 10:01:03AM +0200, Arnd Bergmann wrote:
> On Fri, Sep 7, 2018 at 7:17 AM Guo Ren <ren_guo@c-sky.com> wrote:
> >
> > On Thu, Sep 06, 2018 at 04:16:30PM +0200, Arnd Bergmann wrote:
> > > On Wed, Sep 5, 2018 at 2:08 PM Guo Ren <ren_guo@c-sky.com> wrote:
> > >
> > > > diff --git a/arch/csky/boot/dts/qemu.dts b/arch/csky/boot/dts/qemu.dts
> > > > new file mode 100644
> > > > index 0000000..d36e4cd
> > > > --- /dev/null
> > > > +++ b/arch/csky/boot/dts/qemu.dts
> > > > @@ -0,0 +1,77 @@
> > > > +/dts-v1/;
> > > > +/ {
> > > > +       compatible = "csky,qemu";
> > > > +       #address-cells = <1>;
> > > > +       #size-cells = <1>;
> > > > +       interrupt-parent = <&intc>;
> > >
> > > Ideally, qemu would supply a dtb file that matches the current configuration,
> > > as we do for instance on the ARM 'virt' machine. This allows you
> > > much more flexibility in running all kinds of options, as well as extending
> > > qemu later with new features.
> > So, I should remove qemu.dts in next version patch?
> 
> It's up to you really. If you won't have a version of qemu that can do this
> by itself, it may make sense to keep it around for a while. You might
> want to include the version of your current qemu port is based on
> qemu-2.x but not upstream, you could include a qemu-2.x.dts file
> here, and have the future 3.x port provide its own.
Ok, thx for the tips.

 Guo Ren