linux-kernel - Re: [PATCH v4 12/17] media: qcom: camss: Functionally decompose CSIPHY clock lookups

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Message-ID: <b2639cdc-30a7-4caa-b6c7-05ea2f3c0fd2@linaro.org>
Date:   Fri, 8 Sep 2023 11:20:11 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>, rfoss@...nel.org,
        todor.too@...il.com, agross@...nel.org, andersson@...nel.org,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        laurent.pinchart@...asonboard.com, sakari.ailus@...ux.intel.com,
        andrey.konovalov@...aro.org
Cc:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 12/17] media: qcom: camss: Functionally decompose
 CSIPHY clock lookups

On 7.09.2023 18:44, Bryan O'Donoghue wrote:
> The csiphyX_timer and csiX_phy values need not be hard-coded. We can
> functionally decompose the string matching inside of a loop.
> 
> Static string values are brittle, difficult to extend and not required
> anyway since the camss->res->csiphy_num value informs us of the number
> of CSIPHYs and hence the set of potential clocks for a given CSIPHY.
> 
> In simple terms if we have five CSIPHYs we can have no more and no less
> than five csiphy_timer clocks. Similarly csi_phy core clocks have a 1:1
> relationship with the PHY they clock.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad