linux-kernel - Re: linux-next: Tree for Apr 17 (mmc/host/sdhci-of-at91.c)

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Message-ID: <CAPDyKFqE7zfaKSbpBoBbrSCEnx+70dOrWs+=QG_x2G-Fpt6=ng@mail.gmail.com>
Date:   Mon, 20 Apr 2020 11:12:02 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ludovic Desroches <ludovic.desroches@...el.com>,
        linux-mmc <linux-mmc@...r.kernel.org>
Subject: Re: linux-next: Tree for Apr 17 (mmc/host/sdhci-of-at91.c)

+ Masahiro Yamada, Adrian Hunter

On Fri, 17 Apr 2020 at 16:48, Randy Dunlap <rdunlap@...radead.org> wrote:
>
> On 4/16/20 9:50 PM, Stephen Rothwell wrote:
> > Hi all,
> >
> > Changes since 20200416:
> >
>
> on i386:
>
>   CC      drivers/mmc/host/sdhci-of-at91.o
> In file included from ../include/linux/build_bug.h:5:0,
>                  from ../include/linux/bitfield.h:10,
>                  from ../drivers/mmc/host/sdhci-of-at91.c:9:
> ../drivers/mmc/host/sdhci-of-at91.c: In function ‘sdhci_at91_set_clks_presets’:
> ../include/linux/compiler.h:394:38: error: call to ‘__compiletime_assert_63’ declared with attribute error: FIELD_PREP: value too large for the field
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>                                       ^
> ../include/linux/compiler.h:375:4: note: in definition of macro ‘__compiletime_assert’
>     prefix ## suffix();    \
>     ^~~~~~
> ../include/linux/compiler.h:394:2: note: in expansion of macro ‘_compiletime_assert’
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>   ^~~~~~~~~~~~~~~~~~~
> ../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
>  #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>                                      ^~~~~~~~~~~~~~~~~~
> ../include/linux/bitfield.h:49:3: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
>    BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
>    ^~~~~~~~~~~~~~~~
> ../include/linux/bitfield.h:94:3: note: in expansion of macro ‘__BF_FIELD_CHECK’
>    __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
>    ^~~~~~~~~~~~~~~~
> ../drivers/mmc/host/sdhci-of-at91.c:185:11: note: in expansion of macro ‘FIELD_PREP’
>   caps1 |= FIELD_PREP(SDHCI_CLOCK_MUL_MASK, clk_mul);
>            ^~~~~~~~~~
>
>
> Full randconfig file is attached.
>
>
> --
> ~Randy
> Reported-by: Randy Dunlap <rdunlap@...radead.org>

Thanks for reporting! I have looped in the relevant people, let's see
how we move forward with this.

I assume the offending commit is this one:
Author: Masahiro Yamada <yamada.masahiro@...ionext.com>
Date:   Wed Apr 8 16:21:05 2020 +0900
mmc: sdhci: use FIELD_GET/PREP for capabilities bit masks

Kind regards
Uffe