Merge branch 'r8169-improve-jumbo-configuration'

Heiner Kallweit says:

====================
r8169: improve jumbo configuration

Small improvements to jumbo configuration.
====================

Link: https://lore.kernel.org/r/1dd337a0-ff5a-3fa0-91f5-45e86c0fce58@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/realtek/r8169_main.c

@@ -2341,21 +2341,22 @@ static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
 static void rtl_jumbo_config(struct rtl8169_private *tp)
 {
 	bool jumbo = tp->dev->mtu > ETH_DATA_LEN;
+	int readrq = 4096;
 
 	rtl_unlock_config_regs(tp);
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_12:
 	case RTL_GIGA_MAC_VER_17:
 		if (jumbo) {
-			pcie_set_readrq(tp->pci_dev, 512);
+			readrq = 512;
 			r8168b_1_hw_jumbo_enable(tp);
 		} else {
 			r8168b_1_hw_jumbo_disable(tp);
 		}
 		break;
 	case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
 		if (jumbo) {
-			pcie_set_readrq(tp->pci_dev, 512);
+			readrq = 512;
 			r8168c_hw_jumbo_enable(tp);
 		} else {
 			r8168c_hw_jumbo_disable(tp);
@@ -2368,20 +2369,18 @@ static void rtl_jumbo_config(struct rtl8169_private *tp)
 			r8168dp_hw_jumbo_disable(tp);
 		break;
 	case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_33:
-		if (jumbo) {
-			pcie_set_readrq(tp->pci_dev, 512);
+		if (jumbo)
 			r8168e_hw_jumbo_enable(tp);
-		} else {
+		else
 			r8168e_hw_jumbo_disable(tp);
-		}
 		break;
 	default:
 		break;
 	}
 	rtl_lock_config_regs(tp);
 
-	if (!jumbo && pci_is_pcie(tp->pci_dev) && tp->supports_gmii)
-		pcie_set_readrq(tp->pci_dev, 4096);
+	if (pci_is_pcie(tp->pci_dev) && tp->supports_gmii)
+		pcie_set_readrq(tp->pci_dev, readrq);
 }
 
 DECLARE_RTL_COND(rtl_chipcmd_cond)