linux-kernel - RE: [PATCH v5 01/10] pinctrl: generic: Add bi-directional and output-enable

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Message-ID: <SG2PR06MB11653A0728C393CCFA6DBA788AE20@SG2PR06MB1165.apcprd06.prod.outlook.com>
Date:   Fri, 12 May 2017 11:44:13 +0000
From:   Chris Brandt <Chris.Brandt@...esas.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
CC:     jmondi <jacopo@...ndi.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v5 01/10] pinctrl: generic: Add bi-directional and
 output-enable

On Friday, May 12, 2017, linux-renesas-soc-owner@...r.kernel.org wrote:
> As you say this is actually fixing hardware bugs, we can expect these
> quirky tables to be gone in the next hardware generation, right?

I see this particular pin controller as a one shot deal. For the next
part in this series we are moving to a completely different controller
which you could probably get away with simply using pinctrl-single.


> Then the right place for it is in the quirky driver for the quirky
> first-generation
> hardware.

Maybe to be more clear, I would say the design is not a 'bug', but
rather an under sight of the original designers where are they stared
to need pins that would be both in and out, they started tacking on
more hardware.


Chris