linux-kernel - Re: [PATCH v4 2/2] thermal: mediatek: add support for MT7986 and MT7981

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Message-ID: <0dc9466d-9baa-451b-98fa-7caf424acd4c@collabora.com>
Date:   Wed, 18 Jan 2023 13:53:58 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Daniel Golle <daniel@...rotopia.org>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Steven Liu <steven.liu@...iatek.com>,
        Henry Yen <Henry.Yen@...iatek.com>,
        Chad Monroe <chad@...roe.io>, John Crispin <john@...ozen.org>,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: Re: [PATCH v4 2/2] thermal: mediatek: add support for MT7986 and
 MT7981

Il 18/01/23 04:55, Daniel Golle ha scritto:
> Add support for V3 generation thermal found in MT7986 and MT7981 SoCs.
> Brings code to assign values from efuse as well as new function to
> convert raw temperature to millidegree celsius, as found in MediaTek's
> SDK sources (but cleaned up and de-duplicated)
> 
> [1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/baf36c7eef477aae1f8f2653b6c29e2caf48475b
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> ---
>   drivers/thermal/mtk_thermal.c | 137 ++++++++++++++++++++++++++++++++--
>   1 file changed, 132 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
> index 992750ee09e62..171f485a809bb 100644
> --- a/drivers/thermal/mtk_thermal.c
> +++ b/drivers/thermal/mtk_thermal.c

..snip..

>   		.data = (void *)&mt8183_thermal_data,
> @@ -1068,15 +1186,24 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>   		goto err_disable_clk_auxadc;
>   	}
>   
> -	if (mt->conf->version == MTK_THERMAL_V2) {
> +	if (mt->conf->version != MTK_THERMAL_V1) {
>   		mtk_thermal_turn_on_buffer(apmixed_base);
>   		mtk_thermal_release_periodic_ts(mt, auxadc_base);
>   	}
>   
> -	if (mt->conf->version == MTK_THERMAL_V1)
> +	switch (mt->conf->version) {
> +	case MTK_THERMAL_V1:
>   		mt->raw_to_mcelsius = raw_to_mcelsius_v1;
> -	else
> +		break;
> +	case MTK_THERMAL_V2:
>   		mt->raw_to_mcelsius = raw_to_mcelsius_v2;
> +		break;
> +	case MTK_THERMAL_V3:
> +		mt->raw_to_mcelsius = raw_to_mcelsius_v3;
> +		break;
> +	default:
> +		break;
> +	}

Either directly use a switch in your commit [1/2] or follow `else if` here.

I would prefer if you changed your first commit to use a switch, but I don't
really have strong opinions, which is why I gave you a Reviewed-by tag on
[1/2].

Your choice - but please don't "change the game" all of a sudden in a commit
whose purpose is to add support for a new version of MTK_THERMAL. :-)

Cheers,
Angelo