diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-05-03 19:59:57 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-05-04 08:32:04 +0300 |
| commit | 39a7652103ff5f052b5eff944a1ed3d607f747f7 (patch) | |
| tree | 34182c3f09fb974d7e2b6deeefe47d4010f44cfd | |
| parent | 78af3cc673567c0978a8d4d610e5b8e88b01717c (diff) | |
rtw89: ps: fine tune polling interval while changing low power mode
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@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220503120001.79272-5-pkshih@realtek.com
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index 05b94842fe66..07f6634d56a0 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"); |