Re: [PATCH] pinctrl-baytrail: add function mux checking in gpio pin request

[Mathias Nyman]

On 03/11/2014 12:27 PM, Linus Walleij wrote:
> On Thu, Mar 6, 2014 at 2:59 PM, Chew Chiau Ee <chiau.ee.chew@xxxxxxxxx> wrote:
>
> > From: Chew, Kean Ho <kean.ho.chew@xxxxxxxxx>
> >
> > The requested gpio pin must has the func_pin_mux field set
> > to GPIO function by BIOS/FW in advanced. Else, the gpio pin
> > request would fail. This is to ensure that we do not expose
> > any gpio pins which shall be used for alternate functions,
> > for eg: wakeup pin, I/O interfaces for LPSS, etc.
> >
> > Signed-off-by: Chew, Kean Ho <kean.ho.chew@xxxxxxxxx>
> > Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@xxxxxxxxx>
>
> Patch applied with Darren's ACK.
>
> This confirms my suspicion that you will not be able to
> hide the pin control interface side of this hardware forever. ;-)

Hate to admit it but so it seems :)

> Mika/Mathias: any comments?

Patch looks fine

Acked-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>

-Mathias
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