Re: [PATCH] MIPS: ath79: support devicetree selection

From: Rocco Folino
Date: Wed Sep 06 2017 - 10:00:11 EST


On Wed, Sep 06, 2017 at 03:35:43PM +0200, Alban wrote:
> On Wed, 6 Sep 2017 14:32:00 +0200
> Rocco Folino <rocco.folino@xxxxxxxxx> wrote:
>
> > On Wed, Sep 06, 2017 at 02:20:05PM +0200, Alban wrote:
> > > On Wed, 6 Sep 2017 13:14:35 +0200
> > > Ralf Baechle <ralf@xxxxxxxxxxxxxx> wrote:
> > >
> > > > On Fri, Aug 18, 2017 at 05:32:42PM +0200, Rocco Folino wrote:
> > > >
> > > > > Allow to choose devicetrees from Kconfig.
> > > > >
> > > > > Signed-off-by: Rocco Folino <rocco.folino@xxxxxxxxx>
> > >
> > > I don't really see the point of this patch. Building the dtb doesn't
> > > take any significant time, so why add this extra complexity?
> >
> > Because you need to select the SoC type in order to enable some
> > drivers, for example on the AR9331 to use the serial you need the
> > CONFIG_SERIAL_AR933X which depends on the CONFIG_SOC_AR933X.
>
> Seeing as this driver is the only one that make use of CONFIG_SOC_AR933X
> I would prefer removing this dependency. It would also open the way to have
> the driver built in COMPILE_TEST. A few more fixes might be needed but that
> would be better than such a workaround.

Yes, I agree!

Thanks,

Rocco