linux-kernel - Re: [PATCH 1/7] pinctrl: pinconf-generic: Print arguments for bias-pull-*

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Date:   Tue, 11 Jan 2022 14:42:27 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Chen-Yu Tsai <wenst@...omium.org>,
        Sean Wang <sean.wang@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Zhiyong Tao <zhiyong.tao@...iatek.com>,
        Guodong Liu <guodong.liu@...iatek.com>
Subject: Re: [PATCH 1/7] pinctrl: pinconf-generic: Print arguments for
 bias-pull-*

Il 11/01/22 12:22, Chen-Yu Tsai ha scritto:
> The bias-pull-* properties, or PIN_CONFIG_BIAS_PULL_* pin config
> parameters, accept optional arguments in ohms denoting the strength of
> the pin bias.
> 
> Print these values out in debugfs as well.
> 
> Fixes: eec450713e5c ("pinctrl: pinconf-generic: Add flag to print arguments")
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>

Tested on qcom-SC7180 Trogdor, mtk-MT8173 Elm, and others;

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

> ---
>   drivers/pinctrl/pinconf-generic.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
> index f8edcc88ac01..415d1df8f46a 100644
> --- a/drivers/pinctrl/pinconf-generic.c
> +++ b/drivers/pinctrl/pinconf-generic.c
> @@ -30,10 +30,10 @@ static const struct pin_config_item conf_items[] = {
>   	PCONFDUMP(PIN_CONFIG_BIAS_BUS_HOLD, "input bias bus hold", NULL, false),
>   	PCONFDUMP(PIN_CONFIG_BIAS_DISABLE, "input bias disabled", NULL, false),
>   	PCONFDUMP(PIN_CONFIG_BIAS_HIGH_IMPEDANCE, "input bias high impedance", NULL, false),
> -	PCONFDUMP(PIN_CONFIG_BIAS_PULL_DOWN, "input bias pull down", NULL, false),
> +	PCONFDUMP(PIN_CONFIG_BIAS_PULL_DOWN, "input bias pull down", "ohms", true),
>   	PCONFDUMP(PIN_CONFIG_BIAS_PULL_PIN_DEFAULT,
> -				"input bias pull to pin specific state", NULL, false),
> -	PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", NULL, false),
> +				"input bias pull to pin specific state", "ohms", true),
> +	PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", "ohms", true),
>   	PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL, false),
>   	PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false),
>   	PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false),
>