linux-kernel - Re: linux-next: build failure after merge of the mediatek tree

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Date:   Tue, 30 Aug 2022 13:10:09 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the mediatek tree

Hi Stephen,

On 30/08/2022 01:42, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the mediatek tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/soc/mediatek/mtk-svs.c: In function 'svs_get_bank_volts_v3':
> drivers/soc/mediatek/mtk-svs.c:887:47: error: implicit declaration of function 'FIELD_GET'; did you mean 'FOLL_GET'? [-Werror=implicit-function-declaration]
>    887 |                         svsb->volt[turn_pt] = FIELD_GET(SVSB_VOPS_FLD_VOP0_4, vop30);
>        |                                               ^~~~~~~~~
>        |                                               FOLL_GET
> drivers/soc/mediatek/mtk-svs.c: In function 'svs_set_bank_freq_pct_v2':
> drivers/soc/mediatek/mtk-svs.c:1073:25: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
>   1073 |         freqpct74_val = FIELD_PREP(SVSB_FREQPCTS_FLD_PCT0_4, svsb->freq_pct[8]) |
>        |                         ^~~~~~~~~~
> 
> Caused by commit
> 
>    a92438c5a30a ("soc: mediatek: mtk-svs: Use bitfield access macros where possible")
> 
> I have used the mediatek tree from next-20220829 for today.
> 

Thanks for the information. We were able to identify the issue (not really 
difficult) and I pushed a fix to my for-next tree. So we should be good by tomorrow.

Cheers,
Matthias