linux-kernel - Re: [PATCH v3 1/2] dt-bindings: soc: qcom: Add qcom,kaanapali-imem compatible

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <6af33c1b-5b95-4efc-b429-5bfb9ee7caeb@kernel.org>
Date: Tue, 4 Nov 2025 15:37:22 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
 Jingyi Wang <jingyi.wang@....qualcomm.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Robert Marko <robimarko@...il.com>,
 Das Srinagesh <quic_gurus@...cinc.com>, aiqun.yu@....qualcomm.com,
 tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
 yijie.yang@....qualcomm.com, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: soc: qcom: Add qcom,kaanapali-imem
 compatible

On 04/11/2025 15:35, Konrad Dybcio wrote:
> On 11/4/25 3:26 PM, Krzysztof Kozlowski wrote:
>> This I got, but nothing here explains why you need generic compatible.
>> To re-iterate: there was no generic compatible before, now there is.
>> Writing bindings and numerous reviews from DT maintainers ask not to use
>> generic compatibles.
> 
> OK so let's not worry about a generic compatible. IMEM exists since
> MSM8974 and it only had major hw updates with SM8550. They don't
> impact the software interface though, so qcom,msm8974-imem is OK.
> 
> There's a separate control/status register address space for each
> instance of this IP (usually far apart from the actual SRAM pool),
> which Linux doesn't have to care about.

Just use qcom,kaanapali-imem - that's the first device here without syscons.


Best regards,
Krzysztof