linux-kernel - Re: [PATCH ath-current 2/2] dt-bindings: net: wireless: ath11k-pci: deprecate 'firmware-name' property

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Message-ID: <0ad4722d-1557-4d8d-ae45-c0fdf893067f@oss.qualcomm.com>
Date: Mon, 12 Jan 2026 11:51:16 -0800
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Miaoqing Pan <miaoqing.pan@....qualcomm.com>, jjohnson@...nel.org,
        johannes@...solutions.net, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org
Cc: ath11k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH ath-current 2/2] dt-bindings: net: wireless: ath11k-pci:
 deprecate 'firmware-name' property

On 12/11/2025 7:23 PM, Krzysztof Kozlowski wrote:
> On 11/12/2025 17:44, Jeff Johnson wrote:
>> On 12/3/2025 11:11 PM, Miaoqing Pan wrote:
>>> The firmware-name property was introduced to allow end-users and
>>> integrators to select usecase specific firmware for the WCN6855.
>>> However, specifying firmware for an M.2 WLAN module in the Device
>>> Tree is not appropriate. Instead, this functionality will be handled
>>> within the ath11k driver.
>>>
>>> Signed-off-by: Miaoqing Pan <miaoqing.pan@....qualcomm.com>
>>> ---
>>>  .../devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml        | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
>>> index e34d42a30192..0162e365798b 100644
>>> --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
>>> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml
>>> @@ -37,6 +37,7 @@ properties:
>>>  
>>>    firmware-name:
>>>      maxItems: 1
>>> +    deprecated: true
>>>      description:
>>>        If present, a board or platform specific string used to lookup
>>>        usecase-specific firmware files for the device.
>>
>> The driver patch completely removes support for this, so is this really
>> considered deprecated? Or should this actually be considered obsolete and
> 
> That's silent ABI break. I will formally NAK the patch.
> 
> 
>> completely removed?
>>
>> Do any DTS files actually reference this?
>>
>> /jeff
> 
> 
> Best regards,
> Krzysztof

Krzysztof,
Can you check the v2 to see if you still want to NAK?

https://msgid.link/20251214025230.716387-3-miaoqing.pan@oss.qualcomm.com

Thanks,
/jeff