[PATCH] rtl8xxxu: fix connection failure issue after warm reboot

From: Chris Chiu
Date: Tue Oct 15 2019 - 06:16:21 EST


---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 +
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 1 +
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 3 +++
3 files changed, 5 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 22e95b11bfbb..fd2ad7d07335 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1425,6 +1425,7 @@ struct rtl8xxxu_fileops {
u8 has_s0s1:1;
u8 has_tx_report:1;
u8 gen2_thermal_meter:1;
+ u8 needs_full_init:1;
u32 adda_1t_init;
u32 adda_1t_path_on;
u32 adda_2t_path_on_a;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
index 9ba661b3d767..fef1a91489a5 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
@@ -1668,6 +1668,7 @@ struct rtl8xxxu_fileops rtl8723bu_fops = {
.has_s0s1 = 1,
.has_tx_report = 1,
.gen2_thermal_meter = 1,
+ .needs_full_init = 1,
.adda_1t_init = 0x01c00014,
.adda_1t_path_on = 0x01c00014,
.adda_2t_path_on_a = 0x01c00014,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index e4c1b08c8070..8420cb269b8d 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -3900,6 +3900,9 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
else
macpower = true;

+ if (fops->needs_full_init)
+ macpower = false;
+
ret = fops->power_on(priv);
if (ret < 0) {
dev_warn(dev, "%s: Failed power on\n", __func__);
--
2.23.0