From 1a15e6a1b7665ff601fc9fdc6cc01f8937b2374c Mon Sep 17 00:00:00 2001 From: Ching-Te Ku Date: Thu, 12 Nov 2020 11:14:22 +0800 Subject: [PATCH] rtw88: coex: add write scoreboard action when WLAN in critical procedure When WLAN in critical procedure, such as connecting, scan and so on, coexistence will notify BT by scoreboard. While BT firmware received the scoreboard interrupt, it will adjust BT page priority lower to avoid WLAN critical procedure suffering impact. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20201112031430.4846-4-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw88/coex.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index f0d300e197b71..cbc0b7417887c 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -460,6 +460,12 @@ static void rtw_coex_update_wl_link_info(struct rtw_dev *rtwdev, u8 reason) coex_dm->wl_rssi_state[i] = rssi_state; } + if (coex_stat->wl_linkscan_proc || coex_stat->wl_hi_pri_task1 || + coex_stat->wl_hi_pri_task2 || coex_stat->wl_gl_busy) + rtw_coex_write_scbd(rtwdev, COEX_SCBD_SCAN, true); + else + rtw_coex_write_scbd(rtwdev, COEX_SCBD_SCAN, false); + switch (reason) { case COEX_RSN_5GSCANSTART: case COEX_RSN_5GSWITCHBAND: -- 2.39.5