linux-kernel - Re: [PATCH v2 15/22] wifi: ath12k: add BDF address in hardware parameter

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Message-ID: <142f92d7-72e1-433b-948d-2c7e7d37ecfc@oss.qualcomm.com>
Date: Mon, 4 Nov 2024 15:16:59 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>, ath12k@...ts.infradead.org
Cc: linux-wireless@...r.kernel.org, Kalle Valo <kvalo@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Jeff Johnson <jjohnson@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 15/22] wifi: ath12k: add BDF address in hardware
 parameter

On 15.10.2024 8:26 PM, Raj Kumar Bhagat wrote:
> The Ath2k AHB device (IPQ5332) firmware requests BDF_MEM_REGION_TYPE
> memory during QMI memory requests. This memory is part of the
> HOST_DDR_REGION_TYPE. Therefore, add the BDF memory address to the
> hardware parameter and provide this memory address to the firmware
> during QMI memory requests.

Sounds like something to put in the device tree, no?

Konrad