Re: [alsa-devel] [PATCH RESEND 0/9] Enable pinctrl support for mach-mxs

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On Mon, May 07, 2012 at 03:47:00PM +0800, Shawn Guo wrote:
> On Mon, May 07, 2012 at 03:14:00PM +0800, Dong Aisheng wrote:
> > As IMX, basically i'd prefer to add pinctrl states in dts file at the
> > same time within the patch or using a separate patch to add them before
> > this series to avoid breaking the exist platforms.
> > 
> > However i noted that for mxs, most drivers here are still not dt capable,
> > so it may be ok to not add their pinctrl state at this time.
> > 
> There no mxs driver on mainline that has been DT aware of.  What I'm
> going to do is to ask Arnd abandon the mxs/dt branch I sent him before
> and send him an updated one with the whole mxs DT support based on
> mxs common clk and pinctrl series.
> 
> > But for the patch "serial: amba-pl011: adopt pinctrl support" since it is
> > dt capable, so with this patch applied, the mx28 dt boot will fail.
> > Maybe we should at least add pinctrl states for amba-pl011 first.
> > 
> The updated mxs/dt will have pinctrl defined in dts for each device
> that is converted to DT.
> 
Well, i did not see amba-pl011 pinctrl states defined in this patch.
But it would be ok if you can get it done and applied before this patch.

> > > Shawn Guo (9):
> > >   ARM: mxs: enable pinctrl dummy states
> > >   serial: amba-pl011: adopt pinctrl support
> > BTW, will this one break other platforms using this driver?
> > 
> If the platforms do not turn on CONFIG_PINCTRL, they are fine.  If they
> turn on the support, they should provide pinctrl state either dummy or
> real one.
> 

Regards
Dong Aisheng

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