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Message-ID: <CAMuHMdVkFJ7Cy-+tNHsOcYaxDj82WjMynuFuPRXa4k=DH2fGCQ@mail.gmail.com>
Date: Wed, 23 Jan 2019 13:07:55 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Fabrizio Castro <fabrizio.castro@...renesas.com>
Cc: Simon Horman <horms@...ge.net.au>,
Wolfgang Grandegger <wg@...ndegger.com>,
Marc Kleine-Budde <mkl@...gutronix.de>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Magnus Damm <magnus.damm@...il.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Chris Paterson <Chris.Paterson2@...esas.com>,
Biju Das <biju.das@...renesas.com>,
"linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-renesas-soc@...r.kernel.org"
<linux-renesas-soc@...r.kernel.org>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>
Subject: Re: [PATCH 2/3] arm64: dts: renesas: r8a774a1: Add clkp2 clock to CAN nodes
Hi Fabrizio,
On Wed, Jan 23, 2019 at 1:01 PM Fabrizio Castro
<fabrizio.castro@...renesas.com> wrote:
> > From: Simon Horman <horms@...ge.net.au>
> > Sent: 23 January 2019 11:38
> > Subject: Re: [PATCH 2/3] arm64: dts: renesas: r8a774a1: Add clkp2 clock to CAN nodes
> >
> > On Wed, Jan 23, 2019 at 10:51:23AM +0100, Simon Horman wrote:
> > > On Fri, Jan 18, 2019 at 01:13:53PM +0100, Simon Horman wrote:
> > > > On Thu, Jan 17, 2019 at 02:54:15PM +0000, Fabrizio Castro wrote:
> > > > > According to the latest information, clkp2 is available on RZ/G2.
> > > > > Modify CAN0 and CAN1 nodes accordingly.
> > > > >
> > > > > Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
> > > > > Reviewed-by: Chris Paterson <Chris.Paterson2@...esas.com>
> > > Thanks again, applied for v5.1.
> >
> > Sorry, I was a little hasty there.
> >
> > This patch depends on the presence of R8A774A1_CLK_CANFD which
> > (rightly) is added in a different patch in this series which is to
> > go upstream via a different tree.
> >
> > I have dropped this patch for now. I think there are two solution to this
> > problem.
> >
> > 1. Provide a version of this patch which uses a numeric index instead of
> > R8A774A1_CLK_CANFD. And then, once R8A774A1_CLK_CANFD is present in an
> > RC release provide a patch to switch to using R8A774A1_CLK_CANFD.
> >
> > 2. Defer this patch until R8A774A1_CLK_CANFD is present in an RC release.
>
> Yeah, my personal preference is solution 2.
Note that solution 2 will probably defer the DT patch to v5.2.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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