Re: [cip-dev] [next] iwg20m: add support for this board

[Ben Hutchings <ben.hutchings@codethink.co.uk>]

On Fri, 2019-06-07 at 15:06 +0000, Chris Paterson wrote:
> Hello,
> 
> > From: cip-dev-bounces@lists.cip-project.org <cip-dev-bounces@lists.cip-
> > project.org> On Behalf Of Ben Hutchings
> > Sent: 07 June 2019 15:41
> > 
> > On Thu, 2019-06-06 at 16:48 +0900, Daniel Sangorrin wrote:
> > > This patch adds support for the iwg20m board to isar-cip-core.
> > > 
> > > - Kernel version notes
> > > 
> > > This board is only supported by the 4.4 kernel. For that
> > > reason, the preferred version is set to 4.4 and the user
> > > doesn't need to specify :opt-4.4.yml
> > 
> > [...]
> > 
> > This really shouldn't be allowed to happen.  All the patches applied to
> > 4.4-cip to support this board were already upstream, so this must be a
> > regression.  If this board is used as a basis for real systems that
> > need to run beyond EOL of the 4.4-cip branch (~2026), it needs to be
> > possible to upgrade them to a new kernel version at that time.
> 
> Actually, the iwg20m board does work with the upstream Kernel as well
> as v4.19.y-cip, e.g. [1].

Oh, good.

> I think it's just that Renesas doesn't intend to support the board
> with anything other than v4.4.y-cip.

I understand the desire to limit the support burden.  But I hope that
there is a plan to support a newer kernel version eventually, if
necessary.

Ben.

> [1] https://lava.ciplatform.org/scheduler/job/1219
> 
> Kind regards, Chris

-- 
Ben Hutchings, Software Developer                         Codethink Ltd
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