linux-kernel - Re: [PATCH v2 3/4] thermal: mediatek: control buffer enablement tweaks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <cf60d0a7-2dec-a6c7-879f-ab4812a1e034@baylibre.com>
Date:   Fri, 26 Aug 2022 16:05:54 +0200
From:   Amjad Ouled-Ameur <aouledameur@...libre.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, matthias.bgg@...il.com
Cc:     rafael@...nel.org, fparent@...libre.com, amitk@...nel.org,
        daniel.lezcano@...aro.org, devicetree@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org,
        robh+dt@...nel.org, rui.zhang@...el.com,
        Markus Schneider-Pargmann <msp@...libre.com>
Subject: Re: [PATCH v2 3/4] thermal: mediatek: control buffer enablement
 tweaks

Hi Angelo,

On 7/21/22 10:11, AngeloGioacchino Del Regno wrote:
> Il 20/07/22 20:18, Amjad Ouled-Ameur ha scritto:
>> From: Markus Schneider-Pargmann <msp@...libre.com>
>>
>> Add logic in order to be able to turn on the control buffer on MT8365.
>> This change now allows to have control buffer support for 
>> MTK_THERMAL_V1,
>> and it allows to define the register offset, and mask used to enable it.
>>
>> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
>> Signed-off-by: Fabien Parent <fparent@...libre.com>
>> Reviewed-by: Amjad Ouled-Ameur <aouledameur@...libre.com>
>> Tested-by: Amjad Ouled-Ameur <aouledameur@...libre.com>
>> ---
>>   drivers/thermal/mtk_thermal.c | 23 +++++++++++++++++------
>>   1 file changed, 17 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/thermal/mtk_thermal.c 
>> b/drivers/thermal/mtk_thermal.c
>> index 216eb0d61c5b..1dc276f8c4f1 100644
>> --- a/drivers/thermal/mtk_thermal.c
>> +++ b/drivers/thermal/mtk_thermal.c
>> @@ -283,6 +283,9 @@ struct mtk_thermal_data {
>>       bool need_switch_bank;
>>       struct thermal_bank_cfg bank_data[MAX_NUM_ZONES];
>>       enum mtk_thermal_version version;
>> +    u32 apmixed_buffer_ctl_reg;
>> +    u32 apmixed_buffer_ctl_mask;
>> +    u32 apmixed_buffer_ctl_set;
>>   };
>>     struct mtk_thermal {
>> @@ -578,6 +581,9 @@ static const struct mtk_thermal_data 
>> mt7622_thermal_data = {
>>       .adcpnp = mt7622_adcpnp,
>>       .sensor_mux_values = mt7622_mux_values,
>>       .version = MTK_THERMAL_V2,
>> +    .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
>> +    .apmixed_buffer_ctl_mask = ~0x37,
>
> This is effectively GENMASK(31, 6) | BIT(3) :-)
>
>> +    .apmixed_buffer_ctl_set = 0x1,
>
> ...and this is BIT(0)
>
Thank you for the catch, will update them appropriately.
>>   }; >
>>   /*
>> @@ -1031,14 +1037,18 @@ static const struct of_device_id 
>> mtk_thermal_of_match[] = {
>>   };
>>   MODULE_DEVICE_TABLE(of, mtk_thermal_of_match);
>>   -static void mtk_thermal_turn_on_buffer(void __iomem *apmixed_base)
>> +static void mtk_thermal_turn_on_buffer(struct mtk_thermal *mt,
>> +                       void __iomem *apmixed_base)
>>   {
>>       int tmp;
>
> Since you're practically restructuring this function, please fix this 
> wrong
> variable type, as this should be a u32.
>
Sure agreed.


Thank you Angelo for the review.

Regards,

Amjad

> Regards,
> Angelo