[PATCH 2/3] wifi: ath12k: Remove dependency on single_chip_mlo_support for mlo_capable flag

Vasanthakumar Thiagarajan vasanthakumar.thiagarajan at oss.qualcomm.com
Fri Feb 7 04:29:14 PST 2025



On 2/7/2025 10:33 AM, Aaradhana Sahu wrote:
> The mlo_capable flag in structure ath12k_hw_group indicate that a device
> is capable of operating in multi-link mode. Currently this is enabled
> based on single_chip_mlo_support advertised by the firmware within
> ath12k_qmi_phy_cap_send().
> 
> Since the firmware advertises multi-link operation (MLO) support through
> the ATH12K_FW_FEATURE_MLO feature in firmware-2.bin, there is no need to
> rely on the QMI phy capability (single_chip_mlo_support). Therefore remove
> the dependency on single_chip_mlo_support to set mlo_capable flag.
> 
> Below is the impact on single split-phy PCI device with and without this
> patch:
> 
> Note: This patch does not change the existing behavior of the single
> split-phy PCI device.
> 
> 1. Driver without this patch + firmware with single_chip_mlo_support
>      as false: MLO is not enabled.
> 2. Driver without this patch + firmware with single_chip_mlo_support
>      as true: MLO works fine.
> 3. Driver with this patch + firmware with single_chip_mlo_support as
>      false: MLO is not enabled.
> 4. Driver with this patch + firmware with single_chip_mlo_support as
>      true: MLO works fine.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Aaradhana Sahu <quic_aarasahu at quicinc.com>


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



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