rtl8xxxu: Do not set REG_PBP on 8192eu

The vendor driver does not set REG_PBP on 8192eu. Whether this is due
to the device not supporting it or simply an oversight in the vendor
driver is not clear.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 9e9d3e3..36bd4fc 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -7688,7 +7688,8 @@
 	else
 		val8 = (PBP_PAGE_SIZE_128 << PBP_PAGE_SIZE_RX_SHIFT) |
 			(PBP_PAGE_SIZE_128 << PBP_PAGE_SIZE_TX_SHIFT);
-	rtl8xxxu_write8(priv, REG_PBP, val8);
+	if (priv->rtl_chip != RTL8192E)
+		rtl8xxxu_write8(priv, REG_PBP, val8);
 
 	dev_dbg(dev, "%s: macpower %i\n", __func__, macpower);
 	if (!macpower) {