By experiments, it spends ~45/1090~2480us to enter/leave low power mode,
so the old polling interval 1000us can waste time. Use smaller polling
interval depends on experimental results to reduce the time to transition
state.
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/mac.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 05b94842fe662..07f6634d56a01 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1050,6 +1050,7 @@ static int rtw89_mac_check_cpwm_state(struct rtw89_dev *rtwdev,
void rtw89_mac_power_mode_change(struct rtw89_dev *rtwdev, bool enter)
{
enum rtw89_rpwm_req_pwr_state state;
+ unsigned long delay = enter ? 10 : 150;
int ret;
if (enter)
@@ -1059,7 +1060,7 @@ void rtw89_mac_power_mode_change(struct rtw89_dev *rtwdev, bool enter)
rtw89_mac_send_rpwm(rtwdev, state, false);
ret = read_poll_timeout_atomic(rtw89_mac_check_cpwm_state, ret, !ret,
- 1000, 15000, false, rtwdev, state);
+ delay, 15000, false, rtwdev, state);
if (ret)
rtw89_err(rtwdev, "firmware failed to ack for %s ps mode\n",
enter ? "entering" : "leaving");
--
2.25.1
