linux-kernel - Re: [PATCH v2 1/3] pinctrl: sunxi: Fix PIN_CONFIG_BIAS_PULL

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Message-ID: <CACRpkdb0dqxzQOnChj_SG1-8Hi4ezt+vWaMQ6kr5+YReDop3vw@mail.gmail.com>
Date:   Tue, 15 Nov 2016 10:16:52 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v2 1/3] pinctrl: sunxi: Fix PIN_CONFIG_BIAS_PULL_{DOWN,UP} argument

On Fri, Nov 11, 2016 at 3:44 AM, Chen-Yu Tsai <wens@...e.org> wrote:

> According to pinconf-generic.h, the argument for
> PIN_CONFIG_BIAS_PULL_{DOWN,UP} is non-zero if the bias is enabled
> with a pull up/down resistor, zero if it is directly connected
> to VDD or ground.
>
> Since Allwinner hardware uses a weak pull resistor internally,
> the argument should be 1.
>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Patch applied with Maxime's ACK.

Yours,
Linus Walleij