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authorNicolas Pitre <nicolas.pitre@linaro.org>2015-11-02 13:02:46 -0500
committerNicolas Pitre <nicolas.pitre@linaro.org>2015-11-16 14:42:12 -0500
commitdce1eb93b19b2a1a441708f51c97c4a554054d00 (patch)
tree584554913e7eae7f3ab7686862fac8c59eaf0394 /include/asm-generic
parentf682b27c57aec2f0ca8927f9bb7c267c6165ad5a (diff)
__div64_32(): make it overridable at compile time
Some architectures may want to override the default implementation at compile time to do things inline. For example, ARM uses a non-standard calling convention for better efficiency in this case. Signed-off-by: Nicolas Pitre <nico@linaro.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/div64.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/div64.h b/include/asm-generic/div64.h
index 408856a9aba1..163f77999ea4 100644
--- a/include/asm-generic/div64.h
+++ b/include/asm-generic/div64.h
@@ -194,7 +194,9 @@ static inline uint64_t __arch_xprod_64(const uint64_t m, uint64_t n, bool bias)
}
#endif
+#ifndef __div64_32
extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
+#endif
/* The unnecessary pointer compare is there
* to check for type safety (n must be 64bit)