linux-kernel - Re: [PATCH v1 1/4] pinctrl: add generic driving setup property on mt8192

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Message-ID: <20220609181658.s5qdm32f5vhwkkao@notapiano>
Date:   Thu, 9 Jun 2022 14:16:58 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Guodong Liu <guodong.liu@...iatek.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Zhiyong Tao <zhiyong.tao@...iatek.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v1 1/4] pinctrl: add generic driving setup property on
 mt8192

Hi Guodong,

thank you for the patch.

On Wed, Jun 08, 2022 at 01:39:06PM +0800, Guodong Liu wrote:
> This patch provides generic driving setup, which support
> 2/4/6/8/10/12/14/16mA driving, original driver just set
> raw data setup setting when use drive-strength property

You should mention in the commit message that the dt-binding expects that
drive-strength arguments be passed in mA, but the driver was expecting raw
values. And that this commit changes the driver so that it is aligned with the
binding.

Thanks,
Nícolas

> 
> Signed-off-by: Guodong Liu <guodong.liu@...iatek.com>
> ---
>  drivers/pinctrl/mediatek/pinctrl-mt8192.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8192.c b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
> index acccde9262ba..9faf7001369d 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8192.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
> @@ -1372,8 +1372,8 @@ static const struct mtk_pin_soc mt8192_data = {
>  	.gpio_m = 0,
>  	.bias_set_combo = mtk_pinconf_bias_set_combo,
>  	.bias_get_combo = mtk_pinconf_bias_get_combo,
> -	.drive_set = mtk_pinconf_drive_set_raw,
> -	.drive_get = mtk_pinconf_drive_get_raw,
> +	.drive_set	= mtk_pinconf_drive_set_rev1,
> +	.drive_get	= mtk_pinconf_drive_get_rev1,
>  	.adv_pull_get = mtk_pinconf_adv_pull_get,
>  	.adv_pull_set = mtk_pinconf_adv_pull_set,
>  	.adv_drive_get = mtk_pinconf_adv_drive_get,
> -- 
> 2.25.5
>