linux-kernel - Re: [PATCH v2 3/9] remoteproc: qcom_q6v5

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: <e4e94f2c-98f3-414f-bad4-d23f7cce8047@oss.qualcomm.com>
Date: Wed, 31 Dec 2025 13:27:34 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Barnabás Czémán <barnabas.czeman@...nlining.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Stephan Gerhold <stephan@...hold.net>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/9] remoteproc: qcom_q6v5_mss: Add MDM9607

On 12/31/25 3:29 AM, Barnabás Czémán wrote:
> From: Stephan Gerhold <stephan@...hold.net>
> 
> Add support for MDM9607 MSS it have different ACC settings
> and it needs mitigation for inrush current issue.
> 
> Signed-off-by: Stephan Gerhold <stephan@...hold.net>
> [Reword the commit, add has_ext_bhs_reg]
> Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
> ---

[...]

>  			val = readl(qproc->reg_base + mem_pwr_ctl);
> -			for (; i >= 0; i--) {
> +			for (; i >= reverse; i--) {
>  				val |= BIT(i);
>  				writel(val, qproc->reg_base + mem_pwr_ctl);
>  				/*
> @@ -833,6 +847,12 @@ static int q6v5proc_reset(struct q6v5 *qproc)
>  				val |= readl(qproc->reg_base + mem_pwr_ctl);
>  				udelay(1);
>  			}
> +			for (i = 0; i < reverse; i++) {
> +				val |= BIT(i);
> +				writel(val, qproc->reg_base + mem_pwr_ctl);
> +				val |= readl(qproc->reg_base + mem_pwr_ctl);

Downstream doesn't do val |= readl() in the inrush-current-mitigation
case

Konrad