linux-kernel - Re: [PATCH 7/9] clk: qcom: clk-alpha-pll: Update the PLL support for cal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <239bc397-c746-4ec8-969a-9e3f3c3dee3b@oss.qualcomm.com>
Date: Thu, 25 Sep 2025 11:30:23 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Taniya Das <taniya.das@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        aiqun.yu@....qualcomm.com, tingwei.zhang@....qualcomm.com,
        trilok.soni@....qualcomm.com, yijie.yang@....qualcomm.com
Subject: Re: [PATCH 7/9] clk: qcom: clk-alpha-pll: Update the PLL support for
 cal_l

On 9/25/25 12:58 AM, Jingyi Wang wrote:
> From: Taniya Das <taniya.das@....qualcomm.com>
> 
> Recent QCOM PLLs require the CAL_L field to be programmed according to
> specific hardware recommendations, rather than using the legacy default
> value of 0x44. Hardcoding this value can lead to suboptimal or incorrect
> behavior on newer platforms.
> 
> To address this, introduce a `cal_l` field in the PLL configuration
> structure, allowing CAL_L to be set explicitly based on platform
> requirements. This improves flexibility and ensures correct PLL
> initialization across different hardware variants.
> 
> Signed-off-by: Taniya Das <taniya.das@....qualcomm.com>
> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad