Re: [PATCH ath-next 0/4] wifi: ath12k: fix timeout while waiting for regulatory update on bring-up

[Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>]

On 7/29/2026 12:48 PM, Baochen Qiang wrote:
> On devices that support setting the current country code, the following
> warning is seen during driver bring-up:
> 
>    Timeout while waiting for regulatory update
> 
> This happens when the country to be set during registration is the same as
> the one already applied at boot time: the regulatory event from firmware
> gets dropped without signalling the completion, so the waiter times out.
> 
> Fix it, and also skip setting the country code when it is unchanged.
> 
> ---
> Baochen Qiang (4):
>        wifi: ath12k: signal regd update completion when reg event is dropped
>        wifi: ath12k: use per-radio ab in ath12k_mac_hw_register()
>        wifi: ath12k: protect new_alpha2 access with base_lock
>        wifi: ath12k: skip setting country code during registration when unchanged
> 
>   drivers/net/wireless/ath/ath12k/mac.c | 31 ++++++++++++++++++++++++++-----
>   drivers/net/wireless/ath/ath12k/wmi.c | 11 +++++++++--
>   2 files changed, 35 insertions(+), 7 deletions(-)
> ---
> base-commit: 4fa10e991f77b4c929d1959900a6ed422b9e2ac5
> change-id: 20260721-ath12k-regd-wait-timeout-6403498ae30b
> 
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>