Re: [PATCH v3 5/6] clk: zynqmp: Fix divider calculation

From: Stephen Boyd
Date: Thu Jan 23 2020 - 17:59:02 EST


Quoting Rajan Vaja (2019-12-04 22:35:58)
> zynqmp_clk_divider_round_rate() returns actual divider value
> after calculating from parent rate and desired rate, even though
> that rate is not supported by single divider of hardware. It is
> also possible that such divisor value can be achieved through 2
> different dividers. As, Linux tries to set such divisor value(out
> of range) in single divider set divider is getting failed.
>
> Fix the same by computing best possible combination of two
> divisors which provides more accurate clock rate.
>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> Signed-off-by: Tejas Patel <tejas.patel@xxxxxxxxxx>
> Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
> ---

Applied to clk-next