linux-kernel - Re: [PATCH v4 6/6] pinctrl: lochnagar: Add support for the Cirrus Logic Lochnagar

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Date:   Thu, 15 Nov 2018 11:53:35 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     Lee Jones <lee.jones@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        linux-clk <linux-clk@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v4 6/6] pinctrl: lochnagar: Add support for the Cirrus
 Logic Lochnagar

On Thu, Nov 15, 2018 at 11:54:48AM +0100, Linus Walleij wrote:
> On Thu, Nov 8, 2018 at 11:14 AM Charles Keepax
> <ckeepax@...nsource.cirrus.com> wrote:
> 
> > Lochnagar is an evaluation and development board for Cirrus
> > Logic Smart CODEC and Amp devices. It allows the connection of
> > most Cirrus Logic devices on mini-cards, as well as allowing
> > connection of various application processor systems to provide a
> > full evaluation platform. This driver supports the board
> > controller chip on the Lochnagar board.
> >
> > Lochnagar provides many pins which can generally be used for an
> > audio function such as an AIF or a PDM interface, but also as
> > GPIOs.
> >
> > Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> 
> This v4 version looks very good to me!
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
> Nitpicks (fix or not, my review tag stands):
> 
> >  drivers/pinctrl/cirrus/pinctrl-lochnagar.c | 1145 ++++++++++++++++++++++++++++
> >  drivers/pinctrl/cirrus/pinctrl-lochnagar.h |  112 +++
> 
> Why don't you just include that header file in the C file.
> 112 lines +/- on a 1145 line file doesn't matter.
> 
> > +       priv->gpio_chip = template_chip;
> 
> I would just skip the template and just assign struct members
> directly.
> 
> Bonus if you set ->label to something instance-unique as well.
> 

No objection to any of those need to respin for Mark's comments
on the regulators anyway, so will wrap these in and add your
reviewed by.

Thanks,
Charles