r8169: create function pointer array for chip hw init functions

Using a function pointer array makes this easier to read and better
maintainable.

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

1 files changed, 68 insertions, 151 deletions

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 0efe17b20214..68caa26f0c3e 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5381,122 +5381,6 @@ static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
 	rtl_hw_aspm_clkreq_enable(tp, true);
 }
 
-static void rtl_hw_start_8168(struct rtl8169_private *tp)
-{
-	RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
-
-	/* Work around for RxFIFO overflow. */
-	if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
-		tp->irq_mask |= RxFIFOOver;
-		tp->irq_mask &= ~RxOverflow;
-	}
-
-	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_11:
-		rtl_hw_start_8168bb(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_12:
-	case RTL_GIGA_MAC_VER_17:
-		rtl_hw_start_8168bef(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_18:
-		rtl_hw_start_8168cp_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_19:
-		rtl_hw_start_8168c_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_20:
-		rtl_hw_start_8168c_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_21:
-		rtl_hw_start_8168c_3(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_22:
-		rtl_hw_start_8168c_4(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_23:
-		rtl_hw_start_8168cp_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_24:
-		rtl_hw_start_8168cp_3(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_25:
-	case RTL_GIGA_MAC_VER_26:
-	case RTL_GIGA_MAC_VER_27:
-		rtl_hw_start_8168d(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_28:
-		rtl_hw_start_8168d_4(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_31:
-		rtl_hw_start_8168dp(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_32:
-	case RTL_GIGA_MAC_VER_33:
-		rtl_hw_start_8168e_1(tp);
-		break;
-	case RTL_GIGA_MAC_VER_34:
-		rtl_hw_start_8168e_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_35:
-	case RTL_GIGA_MAC_VER_36:
-		rtl_hw_start_8168f_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_38:
-		rtl_hw_start_8411(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-		rtl_hw_start_8168g_1(tp);
-		break;
-	case RTL_GIGA_MAC_VER_42:
-		rtl_hw_start_8168g_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_44:
-		rtl_hw_start_8411_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-		rtl_hw_start_8168h_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_49:
-		rtl_hw_start_8168ep_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_50:
-		rtl_hw_start_8168ep_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_51:
-		rtl_hw_start_8168ep_3(tp);
-		break;
-
-	default:
-		netif_err(tp, drv, tp->dev,
-			  "unknown chipset (mac_version = %d)\n",
-			  tp->mac_version);
-		break;
-	}
-}
-
 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
 {
 	static const struct ephy_info e_info_8102e_1[] = {
@@ -5622,6 +5506,73 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp)
 	rtl_hw_aspm_clkreq_enable(tp, true);
 }
 
+static void rtl_hw_config(struct rtl8169_private *tp)
+{
+	static const rtl_generic_fct hw_configs[] = {
+		[RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1,
+		[RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3,
+		[RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2,
+		[RTL_GIGA_MAC_VER_10] = NULL,
+		[RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb,
+		[RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef,
+		[RTL_GIGA_MAC_VER_13] = NULL,
+		[RTL_GIGA_MAC_VER_14] = NULL,
+		[RTL_GIGA_MAC_VER_15] = NULL,
+		[RTL_GIGA_MAC_VER_16] = NULL,
+		[RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef,
+		[RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1,
+		[RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1,
+		[RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2,
+		[RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3,
+		[RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4,
+		[RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2,
+		[RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3,
+		[RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d,
+		[RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d,
+		[RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d,
+		[RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4,
+		[RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1,
+		[RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2,
+		[RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp,
+		[RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1,
+		[RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1,
+		[RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2,
+		[RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1,
+		[RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1,
+		[RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402,
+		[RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411,
+		[RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106,
+		[RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1,
+		[RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1,
+		[RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2,
+		[RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2,
+		[RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2,
+		[RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1,
+		[RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1,
+		[RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1,
+		[RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1,
+		[RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1,
+		[RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
+		[RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
+	};
+
+	if (hw_configs[tp->mac_version])
+		hw_configs[tp->mac_version](tp);
+}
+
+static void rtl_hw_start_8168(struct rtl8169_private *tp)
+{
+	RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
+
+	/* Workaround for RxFIFO overflow. */
+	if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
+		tp->irq_mask |= RxFIFOOver;
+		tp->irq_mask &= ~RxOverflow;
+	}
+
+	rtl_hw_config(tp);
+}
+
 static void rtl_hw_start_8101(struct rtl8169_private *tp)
 {
 	if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
@@ -5637,41 +5588,7 @@ static void rtl_hw_start_8101(struct rtl8169_private *tp)
 	tp->cp_cmd &= CPCMD_QUIRK_MASK;
 	RTL_W16(tp, CPlusCmd, tp->cp_cmd);
 
-	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_07:
-		rtl_hw_start_8102e_1(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_08:
-		rtl_hw_start_8102e_3(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_09:
-		rtl_hw_start_8102e_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_29:
-		rtl_hw_start_8105e_1(tp);
-		break;
-	case RTL_GIGA_MAC_VER_30:
-		rtl_hw_start_8105e_2(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_37:
-		rtl_hw_start_8402(tp);
-		break;
-
-	case RTL_GIGA_MAC_VER_39:
-		rtl_hw_start_8106(tp);
-		break;
-	case RTL_GIGA_MAC_VER_43:
-		rtl_hw_start_8168g_2(tp);
-		break;
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-		rtl_hw_start_8168h_1(tp);
-		break;
-	}
+	rtl_hw_config(tp);
 }
 
 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)