Re: [PATCH v2] arm64: dts: qcom: kodiak: avoid EFI overlap for ADSP remote heap

[Konrad Dybcio]

On 4/29/26 9:34 AM, Jianping Li wrote:
> On KODIAK platforms boot can fail when the DT "adsp-rpc-remote-heap"
> reserved-memory region overlaps with firmware allocations (UEFI/EFI
> runtime). The kernel then reports failure to reserve the region and
> subsequent EFI runtime activity may trigger aborts.
> 
> The remote heap node was described as a fixed "no-map" region, which
> turns it into a hard carveout. Replace it with a "shared-dma-pool"
> reserved memory region with reusable CMA-backed allocation, specifying
> alignment and size.
> 
> This avoids hard carveouts and reduces the chance of conflicting with
> firmware memory maps while keeping an explicit pool for ADSP remote
> heap usage.
> 
> Fixes: 90a58ffa9c55 ("arm64: dts: qcom: kodiak: Add memory region for audiopd")
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Jianping Li <jianping.li@xxxxxxxxxxxxxxxx>
> ---
> Patch v1: https://lore.kernel.org/all/20260423063502.484-1-jianping.li@xxxxxxxxxxxxxxxx/
> Changes in v2:
>   - Correct the value of alloc-ranges
> ---

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

Konrad