Re: Build regressions/improvements in v5.18-rc1

From: Kalle Valo
Date: Tue Apr 05 2022 - 02:52:56 EST


Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:

> On Mon, Apr 4, 2022 at 8:39 PM Kalle Valo <kvalo@xxxxxxxxxx> wrote:
>> Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> writes:
>> >> /kisskb/src/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:
>> >> error: case label does not reduce to an integer constant: => 3798:2,
>> >> 3809:2
>> >
>> > arm64-gcc5.4/arm64-allmodconfig
>> > powerpc-gcc5/powerpc-allmodconfig
>> > powerpc-gcc5/ppc64_book3e_allmodconfig
>>
>> After v5.17 there were two commits to brcmfmac/sdio.c:
>>
>> $ git log --oneline v5.17.. drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
>> ed26edf7bfd9 brcmfmac: Add BCM43454/6 support
>> 6d766d8cb505 brcmfmac: pcie: Declare missing firmware files in pcie.c
>>
>> I can't see how either of them could cause this warning. Could something
>> else cause this or am I missing something?
>
> Doh, I should not have reduced the CC list in the xfs subthread...
>
> The builds above are all gcc-5 builds, so they are affected by the same
> issue as XFS: unsigned constants that don't fit in int are lacking a
> "U" suffix.
>
> I assume Arnd's patch for
> drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
> fixes this?
> https://lore.kernel.org/all/CAK8P3a0wRiS03imdXk2WbGONkSSczEGdE-ue5ubF6UyyDE9dQg@xxxxxxxxxxxxxx

Great, thanks. I assume Arnd will submit it officially at some point.

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