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

From: Adrian Hunter
Date: Mon Apr 20 2020 - 09:46:12 EST


On 20/04/20 3:27 pm, Masahiro Yamada wrote:
> On Mon, Apr 20, 2020 at 7:28 PM Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:
>>
>> 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@xxxxxxxxxxxxx> 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 âsdhci_at91_set_clks_presetsâ:
>>>> ../include/linux/compiler.h:394:38: error: call to â__compiletime_assert_63â 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 â__compiletime_assertâ
>>>> prefix ## suffix(); \
>>>> ^~~~~~
>>>> ../include/linux/compiler.h:394:2: note: in expansion of macro â_compiletime_assertâ
>>>> _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>>>> ^~~~~~~~~~~~~~~~~~~
>>>> ../include/linux/build_bug.h:39:37: note: in expansion of macro âcompiletime_assertâ
>>>> #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>>>> ^~~~~~~~~~~~~~~~~~
>>>> ../include/linux/bitfield.h:49:3: note: in expansion of macro âBUILD_BUG_ON_MSGâ
>>>> BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
>>>> ^~~~~~~~~~~~~~~~
>>>> ../include/linux/bitfield.h:94:3: note: in expansion of macro â__BF_FIELD_CHECKâ
>>>> __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
>>>> ^~~~~~~~~~~~~~~~
>>>> ../drivers/mmc/host/sdhci-of-at91.c:185:11: note: in expansion of macro âFIELD_PREPâ
>>>> 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
>>
>>>> ^~~~~~~~~~
>
>
>
> I checked include/linux/clk.h
>
>
> clk_get_rate() is guarded by CONFIG_HAVE_CLK.
>
> I think
>
> depends on HAVE_CLK

Okay