[PATCH 04/19] math64: Tidy mul_u64_u32_shr()

From: Adrian Hunter
Date: Fri Mar 08 2024 - 08:16:33 EST


Put together declaration and initialization of local variables.

Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
include/linux/math64.h | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/linux/math64.h b/include/linux/math64.h
index bf74478926d4..fd13622b2056 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -179,16 +179,12 @@ static __always_inline u64 mul_u64_u64_shr(u64 a, u64 mul, unsigned int shift)
#ifndef mul_u64_u32_shr
static __always_inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift)
{
- u32 ah, al;
+ u32 ah = a >> 32, al = a;
u64 ret;

- al = a;
- ah = a >> 32;
-
ret = mul_u32_u32(al, mul) >> shift;
if (ah)
ret += mul_u32_u32(ah, mul) << (32 - shift);
-
return ret;
}
#endif /* mul_u64_u32_shr */
--
2.34.1