linux-kernel - Re: [PATCH v4 01/12] ASoC: qcom: Add common array to initialize soc based core clocks

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Date:   Fri, 07 Aug 2020 13:17:09 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Rohit Kumar <rohitkr@...eaurora.org>, agross@...nel.org,
        alsa-devel@...a-project.org, bgoswami@...eaurora.org,
        bjorn.andersson@...aro.org, broonie@...nel.org,
        devicetree@...r.kernel.org, lgirdwood@...il.com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        perex@...ex.cz, plai@...eaurora.org, robh+dt@...nel.org,
        srinivas.kandagatla@...aro.org, tiwai@...e.com
Cc:     Ajit Pandey <ajitp@...eaurora.org>
Subject: Re: [PATCH v4 01/12] ASoC: qcom: Add common array to initialize soc based core clocks

Quoting Rohit Kumar (2020-08-05 20:59:48)
> Thanks Stephen for reviewing.
> 
> On 8/6/2020 6:01 AM, Stephen Boyd wrote:
> > Quoting Rohit kumar (2020-07-22 03:31:44)
> >> From: Ajit Pandey <ajitp@...eaurora.org>
> >>
> >> LPASS variants have their own soc specific clocks that needs to be
> >> enabled for MI2S audio support. Added a common variable in drvdata to
> >> initialize such clocks using bulk clk api. Such clock names is
> >> defined in variants specific data and needs to fetched during init.
> > Why not just get all the clks and not even care about the names of them?
> > Use devm_clk_bulk_get_all() for that, unless some clks need to change
> > rates?
> 
> There is ahbix clk which needs clk rate to be set. Please check below 
> patch in
> 
> the series for reference
> 
> [PATCH v5 02/12] ASoC: qcom: lpass-cpu: Move ahbix clk to platform 
> specific function
> 

Alright. I wonder if we could make the API better or the binding better
and always have the rate settable clk first and then
devm_clk_bulk_get_all() could be used along with clk_set_rate() on some 
array element 0 or something. Anyway, don't mind me, I'm just thinking
how to make this simpler.