linux-kernel - Re: [PATCH 5/5] pinctrl: mediatek: common-v1: Commonize spec_ies_smt

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Date:   Mon, 21 Feb 2022 17:58:11 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     sean.wang@...nel.org, linus.walleij@...aro.org,
        matthias.bgg@...il.com, linux-mediatek@...ts.infradead.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH 5/5] pinctrl: mediatek: common-v1: Commonize
 spec_ies_smt_set callback

On Thu, Feb 10, 2022 at 10:21 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> All of the MediaTek pinctrl drivers registering with pinctrl-mtk-common
> that are offering a .spec_ies_smt_set() callback are declaring their
> own function which is doing exactly the same on all drivers: calling
> mtk_pconf_spec_set_ies_smt_range() with their struct and a simple check.
>
> Commonize this callback by adding the ies and smt structure pointers
> to struct mtk_pinctrl_devdata and changing the callback signature to
> take it.
>
> Removing the callback and checking for the existence of the spec_smt
> and/or spec_ies data would allow us to staticize the function
> mtk_pconf_spec_set_ies_smt_range(), but this solution was avoided as
> to keep flexibility, as some SoCs may need to perform a very different
> operation compared to what this commonized function is doing.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>