linux-kernel - [PATCH] wifi: rtl8xxxu: fixing transmisison failure for rtl8192eu

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Message-Id: <20221217030659.12577-1-JunASAKA@zzy040330.moe>
Date:   Sat, 17 Dec 2022 11:06:59 +0800
From:   Jun ASAKA <JunASAKA@...040330.moe>
To:     Jes.Sorensen@...il.com
Cc:     kvalo@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jun ASAKA <JunASAKA@...040330.moe>
Subject: [PATCH] wifi: rtl8xxxu: fixing transmisison failure for rtl8192eu

Fixing transmission failure which results in
"authentication with ... timed out". This can be
fixed by disable the REG_TXPAUSE.

Signed-off-by: Jun ASAKA <JunASAKA@...040330.moe>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
index a7d76693c02d..9d0ed6760cb6 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
@@ -1744,6 +1744,11 @@ static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv)
 	val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
 	val8 &= ~BIT(0);
 	rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
+
+	/*
+	 * Fix transmission failure of rtl8192e.
+	 */
+	rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
 }
 
 static s8 rtl8192e_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt)
-- 
2.31.1