r8169: remove support for chip version 50

Detection of this chip version has been disabled for few kernel versions now.
Nobody complained, so remove support for this chip version.

v3:
- rebase patch
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169.h

@@ -60,7 +60,7 @@ enum mac_version {
 	/* support for RTL_GIGA_MAC_VER_47 has been removed */
 	RTL_GIGA_MAC_VER_48,
 	/* support for RTL_GIGA_MAC_VER_49 has been removed */
-	RTL_GIGA_MAC_VER_50,
+	/* support for RTL_GIGA_MAC_VER_50 has been removed */
 	RTL_GIGA_MAC_VER_51,
 	RTL_GIGA_MAC_VER_52,
 	RTL_GIGA_MAC_VER_53,

drivers/net/ethernet/realtek/r8169_main.c

@@ -134,7 +134,6 @@ static const struct {
 	[RTL_GIGA_MAC_VER_44] = {"RTL8411b",		FIRMWARE_8411_2 },
 	[RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h",	FIRMWARE_8168H_2},
 	[RTL_GIGA_MAC_VER_48] = {"RTL8107e",		FIRMWARE_8107E_2},
-	[RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep"			},
 	[RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep"			},
 	[RTL_GIGA_MAC_VER_52] = {"RTL8168fp/RTL8117",  FIRMWARE_8168FP_3},
 	[RTL_GIGA_MAC_VER_53] = {"RTL8168fp/RTL8117",			},
@@ -1197,7 +1196,7 @@ static enum rtl_dash_type rtl_check_dash(struct rtl8169_private *tp)
 	case RTL_GIGA_MAC_VER_28:
 	case RTL_GIGA_MAC_VER_31:
 		return r8168dp_check_dash(tp) ? RTL_DASH_DP : RTL_DASH_NONE;
-	case RTL_GIGA_MAC_VER_50 ... RTL_GIGA_MAC_VER_53:
+	case RTL_GIGA_MAC_VER_51 ... RTL_GIGA_MAC_VER_53:
 		return r8168ep_check_dash(tp) ? RTL_DASH_EP : RTL_DASH_NONE;
 	default:
 		return RTL_DASH_NONE;
@@ -3276,26 +3275,6 @@ static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
 	rtl_pcie_state_l2l3_disable(tp);
 }
 
-static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp)
-{
-	static const struct ephy_info e_info_8168ep_2[] = {
-		{ 0x00, 0xffff,	0x10a3 },
-		{ 0x19, 0xffff,	0xfc00 },
-		{ 0x1e, 0xffff,	0x20ea }
-	};
-
-	/* disable aspm and clock request before access ephy */
-	rtl_hw_aspm_clkreq_enable(tp, false);
-	rtl_ephy_init(tp, e_info_8168ep_2);
-
-	rtl_hw_start_8168ep(tp);
-
-	RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
-	RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
-
-	rtl_hw_aspm_clkreq_enable(tp, true);
-}
-
 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
 {
 	static const struct ephy_info e_info_8168ep_3[] = {
@@ -3722,7 +3701,6 @@ static void rtl_hw_config(struct rtl8169_private *tp)
 		[RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2,
 		[RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1,
 		[RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1,
-		[RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
 		[RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
 		[RTL_GIGA_MAC_VER_52] = rtl_hw_start_8117,
 		[RTL_GIGA_MAC_VER_53] = rtl_hw_start_8117,
@@ -5159,7 +5137,7 @@ static void rtl_hw_init_8125(struct rtl8169_private *tp)
 static void rtl_hw_initialize(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_50 ... RTL_GIGA_MAC_VER_53:
+	case RTL_GIGA_MAC_VER_51 ... RTL_GIGA_MAC_VER_53:
 		rtl8168ep_stop_cmac(tp);
 		fallthrough;
 	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:

drivers/net/ethernet/realtek/r8169_phy_config.c

@@ -1185,7 +1185,6 @@ void r8169_hw_phy_config(struct rtl8169_private *tp, struct phy_device *phydev,
 		[RTL_GIGA_MAC_VER_44] = rtl8168g_2_hw_phy_config,
 		[RTL_GIGA_MAC_VER_46] = rtl8168h_2_hw_phy_config,
 		[RTL_GIGA_MAC_VER_48] = rtl8168h_2_hw_phy_config,
-		[RTL_GIGA_MAC_VER_50] = rtl8168ep_2_hw_phy_config,
 		[RTL_GIGA_MAC_VER_51] = rtl8168ep_2_hw_phy_config,
 		[RTL_GIGA_MAC_VER_52] = rtl8117_hw_phy_config,
 		[RTL_GIGA_MAC_VER_53] = rtl8117_hw_phy_config,