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authorPing-Ke Shih <pkshih@realtek.com>2022-09-08 13:12:51 +0800
committerKalle Valo <kvalo@kernel.org>2022-09-12 14:52:32 +0300
commit2449ca713e6766b1caaf40c709272c0b392bf190 (patch)
tree68e1c43047459b49e4caf05032a0cbe1224c8151 /drivers/net/wireless/realtek/rtw89
parentef16380b69b85ff42e03900f6f7014fb413b42a8 (diff)
downloadlinux-2449ca713e6766b1caaf40c709272c0b392bf190.tar.gz
wifi: rtw89: 8852c: enlarge polling timeout of RX DCK
The range of calibration time of RX DCK is quite wide from ~40us to ~1300us by experiments, and probability is about 0.1% for the cases larger than 1000us. Though it can retry calibration and get positive result, it will spend more time. Therefore, enlarge it to avoid warning and duplicate calibration. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220908051257.25353-4-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89')
-rw-r--r--drivers/net/wireless/realtek/rtw89/reg.h1
-rw-r--r--drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 54cf725d5d0a..893c172ccd52 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -3366,6 +3366,7 @@
#define RR_DCK_FINE BIT(1)
#define RR_DCK_LV BIT(0)
#define RR_DCK1 0x93
+#define RR_DCK1_DONE BIT(5)
#define RR_DCK1_CLR GENMASK(3, 0)
#define RR_DCK1_SEL BIT(3)
#define RR_DCK2 0x94
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
index 478a36de1bd3..006c2cf93111 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
@@ -1546,7 +1546,8 @@ static void _rx_dck_toggle(struct rtw89_dev *rtwdev, u8 path)
rtw89_write_rf(rtwdev, path, RR_DCK, RR_DCK_LV, 0x1);
ret = read_poll_timeout_atomic(rtw89_read_rf, val, val,
- 2, 1000, false, rtwdev, path, 0x93, BIT(5));
+ 2, 2000, false, rtwdev, path,
+ RR_DCK1, RR_DCK1_DONE);
if (ret)
rtw89_warn(rtwdev, "[RX_DCK] S%d RXDCK timeout\n", path);
else