From 513fb27f6a52ca352c148062fcf246ecf707642f 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 f0d300e197b7..cbc0b7417887 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: -- 2.49.0