[OpenWrt-Devel] [PATCH 00/17] atheros: checkpatch fixes

[Florian Fainelli]

On Jul 20, 2014 11:27 AM, "Daniel Gimpelevich" <
daniel at gimpelevich.san-francisco.ca.us> wrote:
>
> On Tue, 2014-06-24 at 13:51 -0700, Florian Fainelli wrote:
> > 2014-06-24 13:30 GMT-07:00 Daniel Gimpelevich
> > <daniel at gimpelevich.san-francisco.ca.us>:
> > > On Tue, 2014-06-24 at 12:38 -0700, Florian Fainelli wrote:
> > >> I think AR231x has none of those, it's an End of Life platform, the
> > >> code base has been mostly static and well know for a while, so I
would
> > >> argue that Device Tree should not be made a requirement here as it
> > >> will just delay Sergey's upstreaming effort even more.
> > >>
> > > Very valuable input. Still, there is no way for software to determine
> > > which AR231x board it's running on, and they all have different uses
of
> > > GPIO, plus the AR2317 watchdog operates completely differently from
the
> > > AR2315 one. What solution do you propose? Some earlier discussion:
> > > http://patchwork.openwrt.org/patch/4351/
> >
> > For GPIOs, since the way they are used most likely varies on a
> > per-board basis, we could probably come up with the same mechanism as
> > used on ath79 where we end-up patching the kernel command-line to
> > insert a MIPS machine id for instance.
> >
> > For the watchdog driver, if we have access to a revision register we
> > can read at runtime, then we could use a separate platform driver name
> > (e.g: ar2315-wdt vs ar2317-wdt) that would lead to either two separate
> > drivers to get registered, or have different code-paths being used in
> > the same ar231x driver. In case we do not have that revision register,
> > we can leverage solution 1) for GPIOs.
>
> Wait, what is this "ath79" target?

Meant to write ar71xx, the upstream Linux name for it is ath79 from
arch/mips/

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