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SubjectRe: [PATCH] macintosh: fix via-pmu and via-cuda build without RTC_CLASS
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Hi--

On 4/10/22 00:03, Christophe Leroy wrote:
>
>
> Le 09/04/2022 à 04:08, Randy Dunlap a écrit :
>> Fix build when RTC_CLASS is not set/enabled.
>> Eliminates these build errors:
>>
>> m68k-linux-ld: drivers/macintosh/via-pmu.o: in function `pmu_set_rtc_time':
>> drivers/macintosh/via-pmu.c:1769: undefined reference to `rtc_tm_to_time64'
>> m68k-linux-ld: drivers/macintosh/via-cuda.o: in function `cuda_set_rtc_time':
>> drivers/macintosh/via-cuda.c:797: undefined reference to `rtc_tm_to_time64'
>
> You don't need RTC_CLASS for that. All you need is RTC_LIB I think.

Oh good.

> What about selecting RTC_LIB from m68k Kconfig just like powerpc and a
> few architectures do ?

Sounds good. I'll test that now.

> See
> https://elixir.bootlin.com/linux/v5.18-rc1/source/arch/powerpc/Kconfig#L269
>
> Otherwise, I think it would be better to move (and rename)
> rtc_tm_to_time64() into kernel/time/time.c instead of opencoding it twice.
>

Yeah, I didn't like that either.

>>
>> Fixes: 0792a2c8e0bb ("macintosh: Use common code to access RTC")
>> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
>> Reported-by: kernel test robot <lkp@intel.com>
>> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>> Cc: Michael Ellerman <mpe@ellerman.id.au>
>> Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
>> Cc: Kees Cook <keescook@chromium.org>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> Cc: Finn Thain <fthain@linux-m68k.org>
>> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
>> Cc: Nathan Chancellor <nathan@kernel.org>
>> Cc: Nick Desaulniers <ndesaulniers@google.com>
>> Cc: linuxppc-dev@lists.ozlabs.org
>> ---
>> drivers/macintosh/via-cuda.c | 5 ++++-
>> drivers/macintosh/via-pmu.c | 5 ++++-
>> 2 files changed, 8 insertions(+), 2 deletions(-)

thanks.
--
~Randy

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