[PATCH v5 4/7] clk: at91: clk-generated: create function to find best_diff

[Stephen Boyd]

On 08/10, Quentin Schulz wrote:
> The way to find the best_diff and do the appropriate process afterwards
> can be re-used.
> 
> This patch prepares the driver for an upcoming patch that will allow
> clk_generated to determine the rate of the audio_pll.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz at free-electrons.com>
> Acked-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> Acked-by: Nicolas Ferre <nicolas.ferre at microchip.com>
> ---

Applied to clk-next

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