diff options
| author | Chin-Yen Lee <timlee@realtek.com> | 2021-05-14 10:55:17 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-06-22 18:20:05 +0300 |
| commit | a853d234e179086040912a8bbb3341829c079495 (patch) | |
| tree | 8f207e346bfedfb40c4dc192137a66a0914dcd98 /drivers/net/wireless/realtek/rtw88/main.c | |
| parent | 9a711831c4e71f29897b3489c3097081aea580c4 (diff) | |
| download | linux-a853d234e179086040912a8bbb3341829c079495.tar.xz | |
rtw88: notify fw when driver in scan-period to avoid potential problem
It is found that driver scan could be affected by dynamic mechanism
of firmware, so we notify firmware to stop it in the scan period.
Another, firmware will detect the background noise and report to
driver for further use.
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210514075517.14216-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index df115bb7fdf7..47f4838d0c58 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1185,6 +1185,22 @@ err: return ret; } +void rtw_core_fw_scan_notify(struct rtw_dev *rtwdev, bool start) +{ + if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_NOTIFY_SCAN)) + return; + + if (start) { + rtw_fw_scan_notify(rtwdev, true); + } else { + reinit_completion(&rtwdev->fw_scan_density); + rtw_fw_scan_notify(rtwdev, false); + if (!wait_for_completion_timeout(&rtwdev->fw_scan_density, + SCAN_NOTIFY_TIMEOUT)) + rtw_warn(rtwdev, "firmware failed to report density after scan\n"); + } +} + int rtw_core_start(struct rtw_dev *rtwdev) { int ret; @@ -1763,6 +1779,7 @@ int rtw_core_init(struct rtw_dev *rtwdev) init_waitqueue_head(&rtwdev->coex.wait); init_completion(&rtwdev->lps_leave_check); + init_completion(&rtwdev->fw_scan_density); rtwdev->sec.total_cam_num = 32; rtwdev->hal.current_channel = 1; |