linux-kernel - Re: [PATCH 1/2] clk: rename clk_core_get_boundaries() to clk_hw_get

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Date:   Thu, 21 Dec 2017 12:07:43 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Alexander Kochetkov <al.kochet@...il.com>
Cc:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        Michael Turquette <mturquette@...libre.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Elaine Zhang <zhangqing@...k-chips.com>
Subject: Re: [PATCH 1/2] clk: rename clk_core_get_boundaries() to
 clk_hw_get_boundaries() and expose

On 12/21, Alexander Kochetkov wrote:
> In order to provide a way to know clock limits to clock providers.
> 
> The patch is needed for fixing commit 5d890c2df900 ("clk: rockchip:
> add special approximation to fix up fractional clk's jitter").
> Custom approximation function introduced by the patch, can
> select frequency rate larger than one configured using
> clk_set_max_rate().
> 
> Signed-off-by: Alexander Kochetkov <al.kochet@...il.com>
> ---

Can you convert to the determine_rate op instead of round_rate?
That function should tell you the min/max limits so that you
don't need to query that information from the core.

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