linux-kernel - Re: [linux-sunxi] [PATCH v3 03/11] pinctrl: sunxi: Prepare for alternative bias voltage setting methods

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Date:   Thu, 11 Apr 2019 12:44:53 +0200
From:   Ondřej Jirman <megous@...ous.com>
To:     Julian Calaby <julian.calaby@...il.com>
Cc:     linux-sunxi <linux-sunxi@...glegroups.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        "Mailing List, Arm" <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, linux-gpio@...r.kernel.org
Subject: Re: [linux-sunxi] [PATCH v3 03/11] pinctrl: sunxi: Prepare for
 alternative bias voltage setting methods

On Thu, Apr 11, 2019 at 08:34:33PM +1000, Julian Calaby wrote:
> Hi Ondrej
> 
> On Thu, Apr 11, 2019 at 8:19 PM megous via linux-sunxi
> <linux-sunxi@...glegroups.com> wrote:
> >
> > From: Ondrej Jirman <megous@...ous.com>
> >
> > H6 has a different I/O voltage bias setting method than A80. Prepare
> > existing code for using alternative bias voltage setting methods.
> >
> > Signed-off-by: Ondrej Jirman <megous@...ous.com>
> > diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> > index ee15ab067b5f..4bfc8a6d9dce 100644
> > --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> > +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> > @@ -95,6 +95,13 @@
> >  #define PINCTRL_SUN7I_A20      BIT(7)
> >  #define PINCTRL_SUN8I_R40      BIT(8)
> >
> > +enum sunxi_desc_bias_voltage {
> > +       BIAS_VOLTAGE_NONE,
> > +       /* Bias voltage configuration is done through
> > +        * Pn_GRP_CONFIG registers, as seen on A80 SoC. */
> > +       BIAS_VOLTAGE_GRP_CONFIG,
> > +};
> > +
> >  struct sunxi_desc_function {
> >         unsigned long   variant;
> >         const char      *name;
> > @@ -117,7 +124,7 @@ struct sunxi_pinctrl_desc {
> >         const unsigned int              *irq_bank_map;
> >         bool                            irq_read_needs_mux;
> >         bool                            disable_strict_mode;
> > -       bool                            has_io_bias_cfg;
> > +       int                             io_bias_cfg_variant;
> 
> Shouldn't we be defining this field using the enum rather than as an int?

Yes, thank you, I fixed it for v4.

regards,
  	o.

> Thanks,
> 
> -- 
> Julian Calaby
> 
> Email: julian.calaby@...il.com
> Profile: http://www.google.com/profiles/julian.calaby/