From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
We could fail to power on because it was already on. If the return
value is -EALREADY, power off and then power on again to turn on the
hardware as expected.
Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw88/mac.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index 25a923b..fc14b37 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -285,8 +285,14 @@ int rtw_mac_power_on(struct rtw_dev *rtwdev)
goto err;
ret = rtw_mac_power_switch(rtwdev, true);
- if (ret)
+ if (ret == -EALREADY) {
+ rtw_mac_power_switch(rtwdev, false);
+ ret = rtw_mac_power_switch(rtwdev, true);
+ if (ret)
+ goto err;
+ } else if (ret) {
goto err;
+ }
ret = rtw_mac_init_system_cfg(rtwdev);
if (ret)
--
2.7.4
