Re: [PATCH 1/4] dt-bindings: firmware: qcom,scm: Add minidump SRAM property
From: Konrad Dybcio
Date: Fri May 08 2026 - 06:46:18 EST
On 5/7/26 10:07 AM, Mukesh Ojha wrote:
> On most Qualcomm SoCs where minidump is supported, a word in always-on
> SRAM is shared between the kernel and boot firmware. Before DDR is
> initialised on the warm reset following a crash, firmware reads this
> word to decide if minidump is enabled and collect a minidump and where
> to deliver it (USB upload to a host, or save to local storage).
>
> Add 'sram' and 'sram-names' properties to the SCM binding to describe
> a region in always-on SRAM where the minidump download destination
> value could be written. Boot firmware reads it before DDR is initialised
> on a warm reset to decide where to store the minidump either to host
> PC or to on device storage.
>
> Most of the Qualcomm SoC supporting minidump supports this, added the
> kaanapali SoC for now.
>
> Suggested-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Thank you for the attribution, but I don't think it applies here -
Suggested-by would be fitting if I said "hey Mukesh, could you please
do XYZ ABC [which you weren't planning on doing]", this is more of a
normal review feedback
Konrad