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rtw88: coex: add power off setting

PATCH In review Ping-Ke Shih 2 participants 2 messages Feb 19, 2021 – Mar 15, 2021 Realtek wireless driver (rtw88)

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Ping-Ke Shih

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PATCH 1/1 rtw88: coex: add power off setting

Clear WL/BT on/off bit in scoreboard register that is used to exchange WL/BT status. Since the status is preserved after warm reboot, we must clear it when WL is going to down.

Signed-off-by Ping-Ke Shih <[email protected]>
---
 drivers/net/wireless/realtek/rtw88/coex.c | 5 +++++
 drivers/net/wireless/realtek/rtw88/coex.h | 1 +
 drivers/net/wireless/realtek/rtw88/main.c | 1 +
 3 files changed, 7 insertions(+)
drivers/net/wireless/realtek/rtw88/coex.c +5 -0
index ea2be1e25065..7eee2c5ecb11 100644
@@ -2646,6 +2646,11 @@ void rtw_coex_power_on_setting(struct rtw_dev *rtwdev)
 	rtw_coex_set_gnt_debug(rtwdev);
 }
 
+void rtw_coex_power_off_setting(struct rtw_dev *rtwdev)
+{
+	rtw_write16(rtwdev, REG_WIFI_BT_INFO, BIT_BT_INT_EN);
+}
+
 void rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only)
 {
 	__rtw_coex_init_hw_config(rtwdev, wifi_only);
drivers/net/wireless/realtek/rtw88/coex.h +1 -0
index 8ab9852ec9ed..57018700ac39 100644
@@ -393,6 +393,7 @@ void rtw_coex_bt_multi_link_remain_work(struct work_struct *work);
 void rtw_coex_wl_ccklock_work(struct work_struct *work);
 
 void rtw_coex_power_on_setting(struct rtw_dev *rtwdev);
+void rtw_coex_power_off_setting(struct rtw_dev *rtwdev);
 void rtw_coex_init_hw_config(struct rtw_dev *rtwdev, bool wifi_only);
 void rtw_coex_ips_notify(struct rtw_dev *rtwdev, u8 type);
 void rtw_coex_lps_notify(struct rtw_dev *rtwdev, u8 type);
drivers/net/wireless/realtek/rtw88/main.c +1 -0
index e6989c0525cc..d20aa069d62a 100644
@@ -1138,6 +1138,7 @@ int rtw_core_start(struct rtw_dev *rtwdev)
 static void rtw_power_off(struct rtw_dev *rtwdev)
 {
 	rtw_hci_stop(rtwdev);
+	rtw_coex_power_off_setting(rtwdev);
 	rtw_mac_power_off(rtwdev);
 }
Signature · 1 line
2.21.0
#1 lore raw
Quoted 5 lines · Ping-Ke Shih

Clear WL/BT on/off bit in scoreboard register that is used to exchange WL/BT status. Since the status is preserved after warm reboot, we must clear it when WL is going to down.

Signed-off-by Ping-Ke Shih <[email protected]>

Patch applied to wireless-drivers-next.git, thanks.

5b492c7dbdda rtw88: coex: add power off setting

Signature · 3 lines
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches