linux-kernel - Re: [PATCH] thermal/drivers/mediatek/lvts_thermal: Switch to IMMEDIATE

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Message-ID: <CAGXv+5EOcg0pQxj=iOn_ff8-t6pyGKwemA9mdn=VCpxg6Uzt+g@mail.gmail.com>
Date: Fri, 8 Nov 2024 16:21:07 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Hsin-Te Yuan <yuanhsinte@...omium.org>, 
	Nícolas F . R . A . Prado <nfraprado@...labora.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] thermal/drivers/mediatek/lvts_thermal: Switch to IMMEDIATE_MODE

On Fri, Nov 8, 2024 at 2:51 PM Hsin-Te Yuan <yuanhsinte@...omium.org> wrote:
>
> Currently, MT8192 cannot suspend with FILTERED_MODE. Switch to
> IMMEDIATE_MODE will fix this.
>

Probably should have a Fixes tag.

Also, Nicolas previously reported that the threshold interrupts don't
work with the immediate mode [1], which is why filtered mode was used
in the final version.


ChenYu

[1] https://lore.kernel.org/linux-mediatek/37680c5e-e61c-410b-b48d-829914200e4a@notapiano/

> Signed-off-by: Hsin-Te Yuan <yuanhsinte@...omium.org>
> ---
>  drivers/thermal/mediatek/lvts_thermal.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
> index 1997e91bb3be94a3059db619238aa5787edc7675..daad52f14fc03d0c4131f2ffdf3eb6b49a4a43d0 100644
> --- a/drivers/thermal/mediatek/lvts_thermal.c
> +++ b/drivers/thermal/mediatek/lvts_thermal.c
> @@ -1541,7 +1541,6 @@ static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
>                 },
>                 VALID_SENSOR_MAP(1, 1, 0, 0),
>                 .offset = 0x0,
> -               .mode = LVTS_MSR_FILTERED_MODE,
>         },
>         {
>                 .lvts_sensor = {
> @@ -1552,7 +1551,6 @@ static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
>                 },
>                 VALID_SENSOR_MAP(1, 1, 0, 0),
>                 .offset = 0x100,
> -               .mode = LVTS_MSR_FILTERED_MODE,
>         },
>         {
>                 .lvts_sensor = {
> @@ -1567,7 +1565,6 @@ static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
>                 },
>                 VALID_SENSOR_MAP(1, 1, 1, 1),
>                 .offset = 0x200,
> -               .mode = LVTS_MSR_FILTERED_MODE,
>         }
>  };
>
>
> ---
> base-commit: 906bd684e4b1e517dd424a354744c5b0aebef8af
> change-id: 20241108-lvts-f7beb36efc59
>
> Best regards,
> --
> Hsin-Te Yuan <yuanhsinte@...omium.org>
>
>