linux-kernel - Re: [PATCH 1/6] ARM: meson: add meson8 machine definition

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Message-ID: <20141002182957.GA15355@nuc>
Date:	Thu, 2 Oct 2014 20:29:57 +0200
From:	Carlo Caione <carlo@...one.org>
To:	Beniamino Galvani <b.galvani@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>,
	devicetree@...r.kernel.org, Victor Wan <victor.wan@...ogic.com>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Jerry Cao <jerry.cao@...ogic.com>
Subject: Re: [PATCH 1/6] ARM: meson: add meson8 machine definition

On gio, ott 02, 2014 at 07:05:19 +0200, Beniamino Galvani wrote:
> On Thu, Oct 02, 2014 at 11:24:54AM +0200, Arnd Bergmann wrote:
> > On Wednesday 01 October 2014 23:29:41 Beniamino Galvani wrote:
> > > 
> > > +static const char * const m8_common_board_compat[] = {
> > > +       "amlogic,meson8",
> > > +       NULL,
> > > +};
> > > +
> > >  DT_MACHINE_START(AML8726_MX, "Amlogic Meson6 platform")
> > >         .dt_compat      = m6_common_board_compat,
> > >  MACHINE_END
> > >  
> > > +DT_MACHINE_START(MESON8, "Amlogic Meson8 platform")
> > > +       .dt_compat      = m8_common_board_compat,
> > > +MACHINE_END
> > > 
> > 
> > I'd just add the meson8 string to the m6_common_board_compat list and
> > rename it.
> 
> From what I've seen so far the two families are very similar and share
> most of the IP cores, so a unique DT machine is a good idea.
> 
> Does the MACH_MESON8 Kconfig symbol still make sense or can I drop it
> and rename MACH_MESON6 to MACH_MESON?

I would still leave two different MACH_ for meson6 and meson8 since the
two architectures aren't _so_ similar.

thanks,

-- 
Carlo Caione
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