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Commit b2c76bbe authored by Kalle Valo's avatar Kalle Valo
Browse files

ath6kl: don't force foreground scan when connected 



In my setup data transfer stalls when there's data transmission during
scan. After some testing I found out that using background scan
when connected to makes the problem go away. This is more like
a workaround than a proper fix, but as the stall is so severe the
workaround is justified.

With a dual band card this increases scan time when connected from
1.9s to 4.4s. When not connected the scan time is not affected and
is the same 1.9s.

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 575b5f34

drivers/net/wireless/ath/ath6kl/cfg80211.c

+1 −5
Original line number Diff line number Diff line
@@ -779,7 +779,6 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, 
{

	struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(ndev);

	int ret = 0;

	u32 force_fg_scan = 0;



	if (!ath6kl_cfg80211_ready(ar))

		return -EIO;
@@ -807,10 +806,7 @@ static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, 
						  request->ssids[i].ssid);

	}



	if (test_bit(CONNECTED, &ar->flag))

		force_fg_scan = 1;



	if (ath6kl_wmi_startscan_cmd(ar->wmi, WMI_LONG_SCAN, force_fg_scan,

	if (ath6kl_wmi_startscan_cmd(ar->wmi, WMI_LONG_SCAN, 0,

				     false, 0, 0, 0, NULL) != 0) {

		ath6kl_err("wmi_startscan_cmd failed\n");

		ret = -EIO;