[RFC PATCH 2/2] wifi: ath10k: only wait for response to SET_KEY

[James Prestwood]

On 2/9/26 6:12 PM, Richard Acayan wrote:
> When sending DELETE_KEY, the driver times out waiting for a response
> that doesn't come. Only wait for a response when sending SET_KEY.

We've run into the exact same thing on the QCA6174 and have been 
carrying an identical patch to this for at least a year.

https://lore.kernel.org/linux-wireless/b2838a23-ea30-4dee-b513-f5471d486af2@gmail.com/

>
> Sample dmesg:
>
> 	[  117.285854] wlan0: deauthenticating from XX:XX:XX:XX:XX:XX by local choice (Reason: 3=DEAUTH_LEAVING)
> 	[  120.302934] ath10k_snoc 18800000.wifi: failed to install key for vdev 0 peer XX:XX:XX:XX:XX:XX: -110
> 	[  120.302996] wlan0: failed to remove key (0, XX:XX:XX:XX:XX:XX) from hardware (-110)
>
> Signed-off-by: Richard Acayan <mailingradian at gmail.com>
> ---
>   drivers/net/wireless/ath/ath10k/mac.c | 8 +++++---
>   1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
> index da6f7957a0ae..73aa93043f8a 100644
> --- a/drivers/net/wireless/ath/ath10k/mac.c
> +++ b/drivers/net/wireless/ath/ath10k/mac.c
> @@ -324,9 +324,11 @@ static int ath10k_install_key(struct ath10k_vif *arvif,
>   	if (ret)
>   		return ret;
>   
> -	time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
> -	if (time_left == 0)
> -		return -ETIMEDOUT;
> +	if (cmd != DISABLE_KEY) {
> +		time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
> +		if (time_left == 0)
> +			return -ETIMEDOUT;
> +	}
>   
>   	return 0;
>   }