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

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On Fri, Jan 25, 2019 at 11:33:41AM +0000, Fabrizio Castro wrote:
> Hello Simon,
> 
> Thank you for your feedback!
> 
> > From: Simon Horman <horms@xxxxxxxxxxxx>
> > Sent: 24 January 2019 10:01
> > Subject: Re: [PATCH 2/3] arm64: dts: renesas: r8a774a1: Add clkp2 clock to CAN nodes
> >
> > On Wed, Jan 23, 2019 at 12:18:45PM +0000, Fabrizio Castro wrote:
> > > Hello Geert,
> > >
> > > Thank you for your feedback!
> > >
> > > > From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> > > > Sent: 23 January 2019 12:08
> > > > 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@xxxxxxxxxxxxxx> wrote:
> > > > > > From: Simon Horman <horms@xxxxxxxxxxxx>
> > > > > > 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@xxxxxxxxxxxxxx>
> > > > > > > > > Reviewed-by: Chris Paterson <Chris.Paterson2@xxxxxxxxxxx>
> > > >
> > > > > > > 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.
> > >
> > > Yeah, my understanding is that even if we chose solution 1 we would still
> > > need to be waiting for v5.2 for the patch to switch to using
> > > R8A774A1_CLK_CANFD to appear in a rc, therefore I think solution 2 is
> > > fine.
> >
> > Your understanding is the same as mine.
> >
> > I do seem some slight value in option 1 in terms of getting the change,
> > less the minor issue of using an index rather than a symbol, upstream
> > earlier. But I do not feel strongly about this.
> >
> > I am marking this patch as deferred. Please repost or otherwise ping me
> > when you would like to revisit this topic.
> 
> Thank you. Will do.

Thanks.

I believe "[10/11] arm64: dts: renesas: r8a774c0: Add clkp2 clock to CAN nodes"
falls into the same category. I have marked it as deferred accordingly.



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