rtl8xxxu: Set TX page boundaries for 8192eu

The 8192eu also has it's own TRXFF boundary value to set.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

@@ -6495,7 +6495,10 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
 		/*
 		 * Set TX buffer boundary
 		 */
-		val8 = TX_TOTAL_PAGE_NUM + 1;
+		if (priv->rtl_chip == RTL8192E)
+			val8 = TX_TOTAL_PAGE_NUM_8192E + 1;
+		else
+			val8 = TX_TOTAL_PAGE_NUM + 1;
 
 		if (priv->rtl_chip == RTL8723B)
 			val8 -= 1;
@@ -6532,6 +6535,8 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
 	 */
 	if (priv->rtl_chip == RTL8723B)
 		rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, 0x3f7f);
+	else if (priv->rtl_chip == RTL8192E)
+		rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, 0x3cff);
 	else
 		rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, 0x27ff);
 	/*

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h

@@ -42,6 +42,7 @@
 #define REALTEK_USB_CMD_IDX		0x00
 
 #define TX_TOTAL_PAGE_NUM		0xf8
+#define TX_TOTAL_PAGE_NUM_8192E		0xf3
 /* (HPQ + LPQ + NPQ + PUBQ) = TX_TOTAL_PAGE_NUM */
 #define TX_PAGE_NUM_PUBQ		0xe7
 #define TX_PAGE_NUM_HI_PQ		0x0c