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m68k: Define __div64_32() to avoid a warning

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The generic __div64_32() definition is built on all architectures that
don't provide this as a macro.  m68k however neither defines nor
requires __div64_32, so it should define an empty one to avoid the
warning:

    lib/math/div64.c:31:32: error: no previous prototype for '__div64_32' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20230809211057.60514-1-arnd@kernel.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Arnd Bergmann 2023-08-09 23:10:49 +02:00 committed by Geert Uytterhoeven
parent 6831a8a3bd
commit 668a920208
1 changed files with 3 additions and 0 deletions
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3
arch/m68k/include/asm/div64.h
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@ -31,6 +31,9 @@
__rem; \ __rem; \
}) })
/* defining this stops the unused helper function from being built */
#define __div64_32 __div64_32
#endif /* CONFIG_CPU_HAS_NO_MULDIV64 */ #endif /* CONFIG_CPU_HAS_NO_MULDIV64 */
#endif /* _M68K_DIV64_H */ #endif /* _M68K_DIV64_H */