linux-kernel - Re: [PATCH v2 2/6] clk: qcom: clk-alpha-pll: Update set

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Message-ID: <jni3b6l4mw6aismxxytzlediepitakand5m4dkqy6diwnmd6xu@r6zaslz722ed>
Date: Wed, 3 Jul 2024 13:02:32 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Abhishek Sahu <absahu@...eaurora.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
	Conor Dooley <conor+dt@...nel.org>, Stephen Boyd <sboyd@...eaurora.org>, 
	linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, Ajit Pandey <quic_ajipan@...cinc.com>, 
	Imran Shaik <quic_imrashai@...cinc.com>, Taniya Das <quic_tdas@...cinc.com>, 
	Jagadeesh Kona <quic_jkona@...cinc.com>
Subject: Re: [PATCH v2 2/6] clk: qcom: clk-alpha-pll: Update set_rate for
 Zonda PLL

On Tue, Jul 02, 2024 at 09:20:40PM GMT, Satya Priya Kakitapalli wrote:
> The Zonda PLL has a 16 bit signed alpha and in the cases where the alpha
> value is greater than 0.5, the L value needs to be adjusted accordingly.
> Thus update the logic for the same.
> 
> Also, fix zonda set_rate failure when PLL is disabled. Currently,
> clk_zonda_pll_set_rate polls for the PLL to lock even if the PLL is
> disabled. However, if the PLL is disabled then LOCK_DET will never
> assert and we'll return an error. There is no reason to poll LOCK_DET
> if the PLL is already disabled, so skip polling in this case.

Two separate commits, missing Fixes tags.

> 
> Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
> ---
>  drivers/clk/qcom/clk-alpha-pll.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)


-- 
With best wishes
Dmitry