linux-kernel - Re: [PATCH] clk: qcom: apss-ipq-pll: fix PLL rate for IPQ5018

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Date: Tue, 26 Mar 2024 21:48:32 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Gabor Juhos <j4g8y7@...il.com>, Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Sricharan Ramabadhran <quic_srichara@...cinc.com>,
 Gokul Sriram Palanisamy <quic_gokulsri@...cinc.com>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: qcom: apss-ipq-pll: fix PLL rate for IPQ5018

On 26.03.2024 2:34 PM, Gabor Juhos wrote:
> According to ipq5018.dtsi, the maximum supported rate by the
> CPU is 1.008 GHz on the IPQ5018 platform, however the current
> configuration of the PLL results in 1.2 GHz rate.
> 
> Change the 'L' value in the PLL configuration to limit the
> rate to 1.008 GHz. The downstream kernel also uses the same
> value [1]. Also add a comment to indicate the desired
> frequency.
> 
> [1] https://git.codelinaro.org/clo/qsdk/oss/kernel/linux-ipq-5.4/-/blob/NHSS.QSDK.12.4/drivers/clk/qcom/apss-ipq5018.c?ref_type=heads#L151
> 
> Fixes: 50492f929486 ("clk: qcom: apss-ipq-pll: add support for IPQ5018")
> Signed-off-by: Gabor Juhos <j4g8y7@...il.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad