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SubjectRe: linux-next: Tree for Apr 17 (mmc/host/sdhci-of-at91.c)
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On 20/04/20 12:12 pm, Ulf Hansson wrote:
> + Masahiro Yamada, Adrian Hunter
>
> On Fri, 17 Apr 2020 at 16:48, Randy Dunlap <rdunlap@infradead.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);

My guess is the compiler has decided clk_mul is constant (probably (unsigned
int)-1) because there is no CONFIG_COMMON_CLK i.e. clk_get_rate() is 0

So maybe add to config MMC_SDHCI_OF_AT91

depends on COMMON_CLK

>> ^~~~~~~~~~
>>
>>
>> Full randconfig file is attached.
>>
>>
>> --
>> ~Randy
>> Reported-by: Randy Dunlap <rdunlap@infradead.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@socionext.com>
> Date: Wed Apr 8 16:21:05 2020 +0900
> mmc: sdhci: use FIELD_GET/PREP for capabilities bit masks
>
> Kind regards
> Uffe
>

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