netdev - Re: [PATCH 2/3] arm64: dts: renesas: r8a774a1: Add clkp2 clock to CAN nodes

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Date:   Wed, 23 Jan 2019 12:38:12 +0100
From:   Simon Horman <horms@...ge.net.au>
To:     Fabrizio Castro <fabrizio.castro@...renesas.com>
Cc:     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,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org
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,
> > 
> > This looks fine to me but I will wait to see if there are other reviews
> > before applying.
> > 
> > Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>
> 
> 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.