[PATCH] wifi: mt76: mt7925: config the dwell time by firmware

[Mingyen Hsieh]

From: Michael Lo <michael.lo at mediatek.corp-partner.google.com>

To optimize the scan time of mt7925, remove the dwell time
setting for the scan command and let it be controlled by
the firmware as mt7921.

Signed-off-by: Michael Lo <michael.lo at mediatek.corp-partner.google.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
index 0c2a2337c313..4226baf3cfcb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
@@ -2643,14 +2643,12 @@ int mt7925_mcu_set_dbdc(struct mt76_phy *phy)
 	return err;
 }
 
-#define MT76_CONNAC_SCAN_CHANNEL_TIME		60
-
 int mt7925_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
 		       struct ieee80211_scan_request *scan_req)
 {
 	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
 	struct cfg80211_scan_request *sreq = &scan_req->req;
-	int n_ssids = 0, err, i, duration;
+	int n_ssids = 0, err, i;
 	struct ieee80211_channel **scan_list = sreq->channels;
 	struct mt76_dev *mdev = phy->dev;
 	struct mt76_connac_mcu_scan_channel *chan;
@@ -2686,14 +2684,6 @@ int mt7925_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
 	req->scan_type = sreq->n_ssids ? 1 : 0;
 	req->probe_req_num = sreq->n_ssids ? 2 : 0;
 
-	duration = MT76_CONNAC_SCAN_CHANNEL_TIME;
-	/* increase channel time for passive scan */
-	if (!sreq->n_ssids)
-		duration *= 2;
-	req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
-	req->channel_min_dwell_time = cpu_to_le16(duration);
-	req->channel_dwell_time = cpu_to_le16(duration);
-
 	tlv = mt76_connac_mcu_add_tlv(skb, UNI_SCAN_SSID, sizeof(*ssid));
 	ssid = (struct scan_ssid_tlv *)tlv;
 	for (i = 0; i < sreq->n_ssids; i++) {
-- 
2.45.2