linux-kernel - Re: [PATCH] soc: mediatek: Add deprecated compatible to mmsys

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Date:   Fri, 11 Nov 2022 09:31:15 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, matthias.bgg@...nel.org,
        nancy.lin@...iatek.com
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc: mediatek: Add deprecated compatible to mmsys



On 10/11/2022 16:03, AngeloGioacchino Del Regno wrote:
> Il 10/11/22 13:02, matthias.bgg@...nel.org ha scritto:
>> From: Matthias Brugger <matthias.bgg@...il.com>
>>
>> For backward compatibility we add the deprecated compatible.
>>
>> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
> 
> Hello Matthias,
> 
> You forgot to advertise that this commit depends on [1]... and I'm afraid
> that you have to push a v2 anyway, because...
> 

Well yes I based it against mediateks for-next branch, sorry for the confusion.

>> ---
>>   drivers/soc/mediatek/mtk-mmsys.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
>> index ba2e79b26993b..47106f557c574 100644
>> --- a/drivers/soc/mediatek/mtk-mmsys.c
>> +++ b/drivers/soc/mediatek/mtk-mmsys.c
>> @@ -303,6 +303,10 @@ static const struct of_device_id of_match_mtk_mmsys[] = {
>>           .compatible = "mediatek,mt8192-mmsys",
>>           .data = &mt8192_mmsys_driver_data,
>>       },
>> +    {    /* deprecated compatible */
>> +        .compatible = "mediatek,mt8195-mmsys",
>> +        .data = &mt8195_mmsys_match_data,
> 
> ...mt8195_mmsys_match_data doesn't exist anymore after [1], so this should be
> 
>          .data = &mt8195_vdosys0_driver_data,
> 

Of course, should have compile tested at least. /o\

Regards,
Matthias

> [1]: https://patchwork.kernel.org/project/linux-mediatek/list/?series=681097
> 
> Cheers,
> Angelo
>