From: Yan-Hsuan Chuang <yhchuang@realtek.com>
Date: Thu, 11 May 2017 23:24:36 +0000 (-0500)
Subject: rtlwifi: btcoex: 21a 1ant: mark packet high priority when scanning
X-Git-Tag: v4.13-rc1~157^2~214^2~94
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=af4295ad866e7c5182cc64065e6c2cf0eec965dc;p=karo-tx-linux.git

rtlwifi: btcoex: 21a 1ant: mark packet high priority when scanning

When the wifi notifies the coexistence it is going to scan, set the coex
table to avoid issues when the scan result is empty.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
index 3d77d6bb48b1..13063f61e1f4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c
@@ -2524,6 +2524,19 @@ void ex_btc8821a1ant_scan_notify(struct btc_coexist *btcoexist, u8 type)
 		return;
 	}
 
+	if (type == BTC_SCAN_START) {
+		coex_sta->wifi_is_high_pri_task = true;
+		RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+			 "[BTCoex], SCAN START notify\n");
+
+		/* Force antenna setup for no scan result issue */
+		btc8821a1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8);
+	} else {
+		coex_sta->wifi_is_high_pri_task = false;
+		RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+			 "[BTCoex], SCAN FINISH notify\n");
+	}
+
 	if (coex_sta->bt_disabled)
 		return;