[PATCH v2 4/20] clk: sunxi-ng: mux: Don't just rely on the parent for CLK_SET_RATE_PARENT

Chen-Yu Tsai wens at csie.org
Thu May 4 03:23:36 UTC 2017


On Wed, May 3, 2017 at 7:59 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> The current code only rely on the parent to change its rate in the case
> where CLK_SET_RATE_PARENT is set.
>
> However, some clock rates might be obtained only through a modification of
> the parent and the clock divider. Just rely on the round rate of the clocks
> to give us the best computation that might be achieved for a given rate.
>
> round_rate functions now need to honor CLK_SET_RATE_PARENT, but either the
> functions already do that if they modify the parent, or don't modify the
> praents at all.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Acked-by: Chen-Yu Tsai <wens at csie.org>


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