Re: [PATCH v1 1/2] arm64: dts: qcom: qcs6490-rb3gen2: add audio CMA memory region for AudioReach

From: Konrad Dybcio

Date: Tue Aug 25 2026 - 09:56:14 EST


On 8/25/26 3:33 PM, Karthik S wrote:
> Add a dynamic CMA pool for the AudioReach audio stack on qcs6490-rb3gen2.
> Use alloc-ranges to let the kernel pick a free address rather than a fixed
> reg, which avoided EFI-reserved memory at 0x9cc00000. Add 4 MiB alignment
> to satisfy CMA_MIN_ALIGNMENT_BYTES. Wire memory-region into q6apmdai so
> the q6apm-audio-mem-cma child driver can attach the pool.
>
> Based on the equivalent implementation for lemans (SA8295P).
>
> Signed-off-by: Karthik S <karthik.s@xxxxxxxxxxxxxxxx>
> ---

Please don't send patches that you haven't compile-tested

Konrad