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Re: [PATCH v2 03/33] staging: wfx: ignore PS when STA/AP share same channel

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On Mon, Sep 13, 2021 at 10:30:15AM +0200, Jerome Pouiller wrote:
> diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c
> index 5de9ccf02285..aff0559653bf 100644
> --- a/drivers/staging/wfx/sta.c
> +++ b/drivers/staging/wfx/sta.c
> @@ -154,18 +154,26 @@ static int wfx_get_ps_timeout(struct wfx_vif *wvif, bool *enable_ps)
>  		chan0 = wdev_to_wvif(wvif->wdev, 0)->vif->bss_conf.chandef.chan;
>  	if (wdev_to_wvif(wvif->wdev, 1))
>  		chan1 = wdev_to_wvif(wvif->wdev, 1)->vif->bss_conf.chandef.chan;
> -	if (chan0 && chan1 && chan0->hw_value != chan1->hw_value &&
> -	    wvif->vif->type != NL80211_IFTYPE_AP) {
> -		// It is necessary to enable powersave if channels
> -		// are different.
> -		if (enable_ps)
> -			*enable_ps = true;
> -		if (wvif->wdev->force_ps_timeout > -1)
> -			return wvif->wdev->force_ps_timeout;
> -		else if (wfx_api_older_than(wvif->wdev, 3, 2))
> -			return 0;
> -		else
> -			return 30;
> +	if (chan0 && chan1 && wvif->vif->type != NL80211_IFTYPE_AP) {
> +		if (chan0->hw_value == chan1->hw_value) {
> +			// It is useless to enable PS if channels are the same.
> +			if (enable_ps)
> +				*enable_ps = false;
> +			if (wvif->vif->bss_conf.assoc && wvif->vif->bss_conf.ps)
> +				dev_info(wvif->wdev->dev, "ignoring requested PS mode");
> +			return -1;

I can't be happy about this -1 return or how it's handled in the caller.
There is already a -1 return so it's not really a new bug, though...

regards,
dan carpenter





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