Re: [PATCH v4 ath-current 1/2] wifi: ath11k: add usecase firmware handling based on device compatible

Vasanthakumar Thiagarajan <[email protected]>
Newsgroups org.infradead.lists.ath11k,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-wireless
Message-ID <[email protected]> 

On 1/21/2026 3:20 PM, Miaoqing Pan wrote:
> 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 usecase 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. Currently, only WCN6855
> HW2.1 requires this.
> 
> However, support for the firmware-name property is retained to keep
> the ABI backwards compatible.
> 
> For details on usecase specific firmware, see:
> https://lore.kernel.org/all/[email protected]/.
> 
> Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04685-QCAHSPSWPL_V1_V2_SILICONZ_IOE-1
> 
> Fixes: edbbc647c4f3 ("wifi: ath11k: support usercase-specific firmware overrides")
> Signed-off-by: Miaoqing Pan <[email protected]>

Reviewed-by: Vasanthakumar Thiagarajan <[email protected]>
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