Strange message from Kirkwood pinctrl driver

Simon Guinot simon.guinot at sequanux.org
Wed Nov 25 07:24:05 PST 2015


On Wed, Nov 25, 2015 at 03:55:16PM +0100, Linus Walleij wrote:
> On Wed, Nov 25, 2015 at 3:46 PM, Andrew Lunn <andrew at lunn.ch> wrote:
> > On Wed, Nov 25, 2015 at 11:27:46AM +0100, Linus Walleij wrote:
> >> Hi Sebastian,
> >>
> >> trying to use the Kirkwood pinctrl driver with compatible =
> >> "marvell,88f6192-pinctrl";
> >> on a Pogoplug series 4 yields the following message when instantiating
> >> the driver:
> >>
> >> kirkwood-pinctrl f1010000.pin-controller: unknown pinctrl group 36
> >> kirkwood-pinctrl f1010000.pin-controller: unknown pinctrl group 37
> >> kirkwood-pinctrl f1010000.pin-controller: unknown pinctrl group 38
> >> kirkwood-pinctrl f1010000.pin-controller: unknown pinctrl group 39
> >> kirkwood-pinctrl f1010000.pin-controller: unknown pinctrl group 40
> >
> > Hi Linus
> >
> > Humm, interesting. I don't remember it doing that before. I will look
> > into this in the next couple of days.
> 
> There are only few devices using it: it is declared in
> kirkwood-6192.dtsi and that is just used by:
> 
> kirkwood-blackarmor-nas220.dts
> kirkwood-laplug.dts
> kirkwood-rd88f6192.dts
> ... and my new device tree
> 
> Interestingly, kirkwood-ns2[lite|mini].dts specifies it's compatible
> with "marvell,kirkwood-88f6192" but instead includes
> kirkwood-ns2-common.dtsi which includes
> kirkwood-6281.dtsi. I haven't wrapped my head around that
> one, I suspect it's a bug.

Don't wrap your head too much about that :) It is indeed a bug and it
explains why I didn't see this messages before.

Simon
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