linux-kernel - Re: [RESEND ath-next 2/2] wifi: ath12k: support usercase-specific firmware overrides

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Message-ID: <c9187ce5-2ae3-fee6-8b94-19792a981130@oss.qualcomm.com>
Date: Tue, 6 May 2025 09:26:34 +0530
From: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@....qualcomm.com>
To: Miaoqing Pan <quic_miaoqing@...cinc.com>, jjohnson@...nel.org,
        johannes@...solutions.net, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org
Cc: ath12k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [RESEND ath-next 2/2] wifi: ath12k: support usercase-specific
 firmware overrides



On 4/24/2025 6:27 AM, Miaoqing Pan wrote:
> Introduce 'firmware-name' property to allow end-users and/or integrators to
> decide which usecase-specific firmware to run on the WCN7850 platform. This
> is necessary due to resource limitations such as memory capacity and CPU
> capability, or performance and power optimization for different application
> scenarios.
> 
> Currently, there are two firmwares, both files can be executed
> interchangeably.
> For example:
> 
> - ath12k/WCN7850/hw2.0/amss.bin,
>    ath12k/WCN7850/hw2.0/m3.bin
>    ath12k/WCN7850/hw2.0/board-2.bin
> 
> - ath12k/WCN7850/hw2.0/ncm825/amss.bin,
>    ath12k/WCN7850/hw2.0/ncm825/m3.bin
>    ath12k/WCN7850/hw2.0/board-2.bin
> 
> The former is the default firmware, suitable for most WiFi 7 STA functions.
> The latter adds support for commercial-quality SAP and optimizes power
> consumption for IoT applications. And both use the same BDF/regdb data
> within the main board-2.bin.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Signed-off-by: Miaoqing Pan <quic_miaoqing@...cinc.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@....qualcomm.com>