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Subject[PATCH 5/8] auto: promote DIV64_U64_ROUND_CLOSEST macro to function
Date
Same explanation as for DIV64_U64_ROUND_UP: div64_u64() wants "u64" in
the first argument so using anything wider in calculations before that
doesn't matter.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
include/linux/math64.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/math64.h b/include/linux/math64.h
index 7e0e2625dc35..d8770c8a9cff 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -313,8 +313,10 @@ static inline u64 DIV64_U64_ROUND_UP(u64 ll, u64 d)
*
* Return: dividend / divisor rounded to nearest integer
*/
-#define DIV64_U64_ROUND_CLOSEST(dividend, divisor) \
- ({ u64 _tmp = (divisor); div64_u64((dividend) + _tmp / 2, _tmp); })
+static inline u64 DIV64_U64_ROUND_CLOSEST(u64 dividend, u64 divisor)
+{
+ return div64_u64(dividend + divisor / 2, divisor);
+}

/**
* DIV_U64_ROUND_CLOSEST - unsigned 64bit divide with 32bit divisor rounded to nearest integer
--
2.40.1
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