Re: [PATCH v5 3/6] math64: New DIV64_U64_ROUND_CLOSEST helper

From: Sergei Shtylyov
Date: Mon Feb 11 2019 - 10:22:39 EST


On 02/11/2019 04:58 PM, Simon Horman wrote:

> Provide DIV64_U64_ROUND_CLOSEST helper which performs division rounded to
> the closes integer using an unsigned 64bit dividend and divisor.

Closest?

> This will be used in a follow-up patch to allow calculation of clock
> divisors with high frequency parents in the R-Car Gen3 CPG MSSR driver
> where ovefolow occurs if either the dividend or divisor is 32bit.
>
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
[...]

MBR, Sergei