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

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Date:   Tue, 15 Oct 2019 18:16:08 +0800
From:   Chris Chiu <chiu@...lessm.com>
To:     Jes.Sorensen@...il.com, kvalo@...eaurora.org, davem@...emloft.net
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux@...lessm.com
Subject: [PATCH] rtl8xxxu: fix connection failure issue after warm reboot

---
 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