RE: [PATCH 1/5] pinctrl: imx: add generic pin config core support

["A.S. Dong" <aisheng.dong@xxxxxxx>]

> -----Original Message-----
> From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx]
> Sent: Monday, May 15, 2017 7:57 PM
> To: A.S. Dong
> Cc: Andy Duan; Jacky Bai; linus.walleij@xxxxxxxxxx; stefan@xxxxxxxx;
> linux-gpio@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/5] pinctrl: imx: add generic pin config core support
> 
> On Mon, May 15, 2017 at 11:16:57AM +0000, A.S. Dong wrote:
> > > -----Original Message-----
> > > From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx]
> > > Sent: Monday, May 15, 2017 6:56 PM
> > > To: A.S. Dong
> > > Cc: Andy Duan; Jacky Bai; linus.walleij@xxxxxxxxxx; stefan@xxxxxxxx;
> > > linux-gpio@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; linux-arm-
> > > kernel@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [PATCH 1/5] pinctrl: imx: add generic pin config core
> > > support
> > >
> > > On Mon, May 15, 2017 at 08:56:18AM +0000, A.S. Dong wrote:
> > > > > > @@ -489,17 +547,29 @@ static int
> > > > > > imx_pinctrl_parse_groups(struct
> > > > > device_node *np,
> > > > > >  		pin_size = SHARE_FSL_PIN_SIZE;
> > > > > >  	else
> > > > > >  		pin_size = FSL_PIN_SIZE;
> > > > > > +
> > > > > > +	if (info->generic_pinconf)
> > > > > > +		pin_size -= 4;
> > > > > > +
> > > > > >  	/* Initialise group */
> > > > > >  	grp->name = np->name;
> > > > > >
> > > > > >  	/*
> > > > > > -	 * the binding format is fsl,pins = <PIN_FUNC_ID CONFIG ...>,
> > > > > > +	 * the binding format is pins = <PIN_FUNC_ID CONFIG ...>,
> > > > >
> > > > > This is not correct for generic pinconf bindings.  CONIFIG
> > > > > shouldn't be there.
> > > > >
> > > >
> > > > Yes, that's for legacy stuff.
> > >
> > > If that's for legacy bindings, you shouldn't change 'fsl,pins' to
> > > 'pins', right?
> > >
> >
> > I mean the binding format.
> > For the legacy format, either the name of 'fsl,pins' or 'pins' is ok.
> >
> > But in order to increase the standard 'pins' priority, I change
> > 'fsl,pins' to 'pins' to make it more explicitly.
> >
> > I do can leave "fsl,pins' not changed, but I think the new one may be
> > better, right?
> 
> Please leave "fsl,pins' unchanged, and let's use 'fsl,pins' for legacy
> bindings and 'pins' for new one.
> 

Okay, make sense, got it.

Regards
Dong Aisheng

> Shawn
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