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

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Message-ID: <271b1c1e-1273-4900-a427-370a94c9688b@oss.qualcomm.com>
Date: Sun, 14 Dec 2025 10:08:35 +0800
From: Miaoqing Pan <miaoqing.pan@....qualcomm.com>
To: Jeff Johnson <jeff.johnson@....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 12/12/2025 12:44 AM, 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
> completely removed?
> 
> Do any DTS files actually reference this?
> 
> /jeff

You are correct — since the driver has already removed all support for
`firmware-name`, marking it as `deprecated` is misleading. The proper
status should be `obsolete`, and the binding should reflect that this
property is no longer supported. Regarding DTS usage: no upstream Device 
Tree files currently reference `firmware-name`.