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Re: [PATCH v3 01/21] clk: divider: Make divider_round_rate take the parent clock

From Stephen Boyd <sboyd@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH v3 01/21] clk: divider: Make divider_round_rate take the parent clock
Date 2017-05-19 04:00 +0200
Message-ID <tIFmW-3k7-9@gated-at.bofh.it> (permalink)
References <tI1Sy-ck-7@gated-at.bofh.it> <tI1Sz-ck-37@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 05/17, Maxime Ripard wrote:
> So far, divider_round_rate only considers the parent clock returned by
> clk_hw_get_parent.
> 
> This works fine on clocks that have a single parents, this doesn't work on
> muxes, since we will only consider the first parent, while other parents
> may totally be able to provide a better combination.
> 
> Clocks in that case cannot use divider_round_rate, so would have to come up
> with a very similar logic to work around it. Instead of having to do
> something like this, and duplicate that logic everywhere, create a
> divider_round_rate parent to allow caller to give an additional parameter
> for the parent clock to consider.
> 
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---

Acked-by: Stephen Boyd <sboyd@codeaurora.org>

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Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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Thread

[PATCH v3 01/21] clk: divider: Make divider_round_rate take the parent clock Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-05-17 09:50 +0200
  Re: [PATCH v3 01/21] clk: divider: Make divider_round_rate take the  parent clock Stephen Boyd <sboyd@codeaurora.org> - 2017-05-19 04:00 +0200

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