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math64: Tidy up mul_u64_u32_shr()

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Put together declaration and initialization of local variables.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240325064023.2997-5-adrian.hunter@intel.com
This commit is contained in:
Adrian Hunter 2024-03-25 08:40:08 +02:00 committed by Thomas Gleixner
parent 0c68458b0a
commit 5e5e51422c
1 changed files with 1 additions and 5 deletions
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6
include/linux/math64.h
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@ -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 */