linux-kernel - Re: [PATCH 2/3] soc: mediatek: mtk-socinfo: Add extra entry for MT8183

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Date: Tue, 30 Jan 2024 12:19:31 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Chen-Yu Tsai <wenst@...omium.org>,
 Matthias Brugger <matthias.bgg@...il.com>,
 William-tw Lin <william-tw.lin@...iatek.com>
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org,
 William-tw Lin <william-tw.lin@...iatek.com>,
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH 2/3] soc: mediatek: mtk-socinfo: Add extra entry for
 MT8183

Il 30/01/24 10:56, Chen-Yu Tsai ha scritto:
> The MT8183 has another socinfo match, with the second cell only
> differing by one bit. Add it to the driver.
> 
> Fixes: 423a54da3c7e ("soc: mediatek: mtk-socinfo: Add driver for getting chip information")
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> ---
>   drivers/soc/mediatek/mtk-socinfo.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/soc/mediatek/mtk-socinfo.c b/drivers/soc/mediatek/mtk-socinfo.c
> index 3909d22062ce..42572e8c1520 100644
> --- a/drivers/soc/mediatek/mtk-socinfo.c
> +++ b/drivers/soc/mediatek/mtk-socinfo.c
> @@ -45,6 +45,7 @@ static const char *cell_names[MAX_CELLS] = {"socinfo-data1", "socinfo-data2"};
>   static struct socinfo_data socinfo_data_table[] = {
>   	MTK_SOCINFO_ENTRY("MT8173", "MT8173V/AC", "MT8173", 0x6CA20004, 0x10000000),
>   	MTK_SOCINFO_ENTRY("MT8183", "MT8183V/AZA", "Kompanio 500", 0x00010043, 0x00000840),
> +	MTK_SOCINFO_ENTRY("MT8183", "MT8183V/AZA", "Kompanio 500", 0x00010043, 0x00000940),

Are you sure that 0x940 is the same MT8183V/AZA?

Added William-tw to the loop; MediaTek, can you please confirm, and please say why,
there are two MT8183V/AZA with two different ChipIDs?

Thanks,
Angelo

>   	MTK_SOCINFO_ENTRY("MT8186", "MT8186GV/AZA", "Kompanio 520", 0x81861001, CELL_NOT_USED),
>   	MTK_SOCINFO_ENTRY("MT8186T", "MT8186TV/AZA", "Kompanio 528", 0x81862001, CELL_NOT_USED),
>   	MTK_SOCINFO_ENTRY("MT8188", "MT8188GV/AZA", "Kompanio 830", 0x81880000, 0x00000010),