linux-kernel - Re: [PATCH v3 3/5] arm64: dts: qcom: sdx75: update reserved memory regions for mpss

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Date: Tue, 18 Jun 2024 15:38:41 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Naina Mehta <quic_nainmeht@...cinc.com>, andersson@...nel.org,
 mathieu.poirier@...aro.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, manivannan.sadhasivam@...aro.org
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/5] arm64: dts: qcom: sdx75: update reserved memory
 regions for mpss



On 6/18/24 15:13, Naina Mehta wrote:
> Rename qdss@...00000 memory region as qlink_logging memory region
> and add qdss_mem memory region at address of 0x88500000.
> Split mpss_dsmharq_mem region into 2 separate regions and
> reduce the size of mpssadsp_mem region.
> 
> Signed-off-by: Naina Mehta <quic_nainmeht@...cinc.com>
> ---

Alright, we're getting somewhere. The commit message should however motivate
why such changes are necessary. For all we know, the splitting in two is
currently done for no reason, as qdss_mem and qlink_logging_mem are contiguous
- does the firmware have some expectations about them being separate?

Konrad