diff options
| author | Chin-Yen Lee <timlee@realtek.com> | 2020-10-30 16:48:25 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-11-07 17:51:04 +0200 |
| commit | f31e039fab38fb29104ef35c6c7d29e66a37adea (patch) | |
| tree | a072b6f4b096c3b74809540d2731b0e093dd7cfd /drivers/net/wireless/realtek/rtw88/ps.h | |
| parent | a95949606828e1c9d91e5b05171b39ff147ced58 (diff) | |
rtw88: add C2H response for checking firmware leave lps
Originally driver checks if firmware has left lps via reading the setting
of REG_TCR register. But this way may fail when firmware is frequently
changing power state. Therefore, firmware provides a safer option for
driver. When firmware leaves lps successfully, it sends a C2H response
to inform driver.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201030084826.9034-4-tehuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/ps.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/ps.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/ps.h b/drivers/net/wireless/realtek/rtw88/ps.h index 19afceca7d0e..915b200081fc 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.h +++ b/drivers/net/wireless/realtek/rtw88/ps.h @@ -12,6 +12,7 @@ #define POWER_MODE_LCLK BIT(0) #define LEAVE_LPS_TRY_CNT 5 +#define LEAVE_LPS_TIMEOUT msecs_to_jiffies(100) int rtw_enter_ips(struct rtw_dev *rtwdev); int rtw_leave_ips(struct rtw_dev *rtwdev); |