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authorChin-Yen Lee <timlee@realtek.com>2020-10-30 11:48:25 +0300
committerKalle Valo <kvalo@codeaurora.org>2020-11-07 18:51:04 +0300
commitf31e039fab38fb29104ef35c6c7d29e66a37adea (patch)
treea072b6f4b096c3b74809540d2731b0e093dd7cfd /drivers/net/wireless/realtek/rtw88/main.c
parenta95949606828e1c9d91e5b05171b39ff147ced58 (diff)
downloadlinux-f31e039fab38fb29104ef35c6c7d29e66a37adea.tar.xz
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/main.c')
-rw-r--r--drivers/net/wireless/realtek/rtw88/main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 259ad849af93..5c46f5d2e87c 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1652,6 +1652,7 @@ int rtw_core_init(struct rtw_dev *rtwdev)
mutex_init(&rtwdev->hal.tx_power_mutex);
init_waitqueue_head(&rtwdev->coex.wait);
+ init_completion(&rtwdev->lps_leave_check);
rtwdev->sec.total_cam_num = 32;
rtwdev->hal.current_channel = 1;