linux-kernel - Re: [PATCH 2/2] pinctrl: sh-pfc: IPSRx and MOD

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Date:	Thu, 17 Mar 2016 00:23:54 +0000
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Magnus <magnus.damm@...il.com>, Simon <horms@...ge.net.au>,
	<linux-renesas-soc@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] pinctrl: sh-pfc: IPSRx and MOD_SELx should be set before GPSRx


Hi Geert

> > From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> >
> > Gen2 / Gen3 datasheet will have below note in next version.
> > This patch follows this note.
> >
> > IPSRx and MOD_SELx registers shall be set before setting GPSRx
> > registers in case that they need to be configured.
> > MOD_SELx registers can be set either earlier or later than setting
> > IPSRx registers.
> 
> Does this note apply to R-Car Gen1 and SH7734, too?
> Both use the PINMUX_IPSR_MSEL() macro.

Yes, this note can be match for these.
But I'm not sure whether these datasheet will be updated.