linux-kernel - Re: [PATCH v4 ath-current 0/2] wifi: ath11k: add usecase firmware handling based on device compatible

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Message-ID: <74176aab-03d4-4095-890d-7ef1739b914b@oss.qualcomm.com>
Date: Tue, 27 Jan 2026 09:31:51 -0800
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: Miaoqing Pan <miaoqing.pan@....qualcomm.com>, jjohnson@...nel.org,
        johannes@...solutions.net, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, krzk@...nel.org
Cc: ath11k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        jonas.gorski@...il.com
Subject: Re: [PATCH v4 ath-current 0/2] wifi: ath11k: add usecase firmware
 handling based on device compatible

On 1/21/2026 1:50 AM, Miaoqing Pan wrote:
> The 'firmware-name' property was introduced to allow end-users and
> integrators to select use-case-specific firmware for the WCN6855.
> But for M.2 WLAN chips, there is no suitable DTS node to specify
> the 'firmware-name' property. In addition, assigning firmware for
> the M.2 PCIe interface causes chips that do not use use-case-specific
> firmware to fail. Therefore, abandoning the approach of specifying
> firmware in DTS. As an alternative, propose a static lookup table
> mapping device compatible to firmware names.
> 
> ---
> v2:
> - Drops `firmware-name` from completely.
> - Updates the commit message to clearly state that the property is
>   obsolete and the change is ABI-breaking but safe for upstream.
> v3:
>  - Deprecate 'firmware-name' property instead of obsolete.
>  - Keep the ABI backwards compatible.
> v4:
>  - Use of_machine_is_compatible() to simplify the code.
>  - Add back Acked-by tag. 
> ---
> 
> Miaoqing Pan (2):
>   wifi: ath11k: add usecase firmware handling based on device compatible
>   dt-bindings: net: wireless: ath11k-pci: deprecate 'firmware-name'
>     property
> 
>  .../net/wireless/qcom,ath11k-pci.yaml         |  1 +
>  drivers/net/wireless/ath/ath11k/core.c        | 27 +++++++++++++++++++
>  drivers/net/wireless/ath/ath11k/core.h        |  4 +++
>  3 files changed, 32 insertions(+)
> 
> 
> base-commit: d8e1f4a193101a72235416f189b01131a57e26e9

Krzysztof,
Since you previously NAKed this series, can you confirm that your review
comments have been addressed?

Thanks!
/jeff