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Message-ID: <5d75f03a-8bec-ef02-b450-b6ca1276de1d@gmail.com>
Date:   Wed, 2 May 2018 21:39:49 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     David Miller <davem@...emloft.net>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 05/10] r8169: simplify code by using ranges in switch
 clauses

Several switch statements can be significantly simplified by using
case ranges.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169.c | 193 +++------------------------
 1 file changed, 19 insertions(+), 174 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 3573d825..9c92b018 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1611,23 +1611,8 @@ static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
 	if (options & LinkUp)
 		wolopts |= WAKE_PHY;
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_34:
-	case RTL_GIGA_MAC_VER_35:
-	case RTL_GIGA_MAC_VER_36:
-	case RTL_GIGA_MAC_VER_37:
-	case RTL_GIGA_MAC_VER_38:
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 		if (rtl_eri_read(tp, 0xdc, ERIAR_EXGMAC) & MagicPacket_v2)
 			wolopts |= WAKE_MAGIC;
 		break;
@@ -1688,23 +1673,8 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 	RTL_W8(tp, Cfg9346, Cfg9346_Unlock);
 
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_34:
-	case RTL_GIGA_MAC_VER_35:
-	case RTL_GIGA_MAC_VER_36:
-	case RTL_GIGA_MAC_VER_37:
-	case RTL_GIGA_MAC_VER_38:
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 		tmp = ARRAY_SIZE(cfg) - 1;
 		if (wolopts & WAKE_MAGIC)
 			rtl_w0w1_eri(tp,
@@ -4623,18 +4593,7 @@ static void rtl_init_mdio_ops(struct rtl8169_private *tp)
 		ops->write	= r8168dp_2_mdio_write;
 		ops->read	= r8168dp_2_mdio_read;
 		break;
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 		ops->write	= r8168g_mdio_write;
 		ops->read	= r8168g_mdio_read;
 		break;
@@ -4679,21 +4638,7 @@ static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
 	case RTL_GIGA_MAC_VER_32:
 	case RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_34:
-	case RTL_GIGA_MAC_VER_37:
-	case RTL_GIGA_MAC_VER_38:
-	case RTL_GIGA_MAC_VER_39:
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51:
 		RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) |
 			AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
 		break;
@@ -4719,18 +4664,7 @@ static void r8168_phy_power_up(struct rtl8169_private *tp)
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_11:
 	case RTL_GIGA_MAC_VER_12:
-	case RTL_GIGA_MAC_VER_17:
-	case RTL_GIGA_MAC_VER_18:
-	case RTL_GIGA_MAC_VER_19:
-	case RTL_GIGA_MAC_VER_20:
-	case RTL_GIGA_MAC_VER_21:
-	case RTL_GIGA_MAC_VER_22:
-	case RTL_GIGA_MAC_VER_23:
-	case RTL_GIGA_MAC_VER_24:
-	case RTL_GIGA_MAC_VER_25:
-	case RTL_GIGA_MAC_VER_26:
-	case RTL_GIGA_MAC_VER_27:
-	case RTL_GIGA_MAC_VER_28:
+	case RTL_GIGA_MAC_VER_17 ... RTL_GIGA_MAC_VER_28:
 	case RTL_GIGA_MAC_VER_31:
 		rtl_writephy(tp, 0x0e, 0x0000);
 		break;
@@ -4753,18 +4687,7 @@ static void r8168_phy_power_down(struct rtl8169_private *tp)
 
 	case RTL_GIGA_MAC_VER_11:
 	case RTL_GIGA_MAC_VER_12:
-	case RTL_GIGA_MAC_VER_17:
-	case RTL_GIGA_MAC_VER_18:
-	case RTL_GIGA_MAC_VER_19:
-	case RTL_GIGA_MAC_VER_20:
-	case RTL_GIGA_MAC_VER_21:
-	case RTL_GIGA_MAC_VER_22:
-	case RTL_GIGA_MAC_VER_23:
-	case RTL_GIGA_MAC_VER_24:
-	case RTL_GIGA_MAC_VER_25:
-	case RTL_GIGA_MAC_VER_26:
-	case RTL_GIGA_MAC_VER_27:
-	case RTL_GIGA_MAC_VER_28:
+	case RTL_GIGA_MAC_VER_17 ... RTL_GIGA_MAC_VER_28:
 	case RTL_GIGA_MAC_VER_31:
 		rtl_writephy(tp, 0x0e, 0x0200);
 	default:
@@ -4788,15 +4711,7 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
 	r8168_phy_power_down(tp);
 
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_25:
-	case RTL_GIGA_MAC_VER_26:
-	case RTL_GIGA_MAC_VER_27:
-	case RTL_GIGA_MAC_VER_28:
-	case RTL_GIGA_MAC_VER_29:
-	case RTL_GIGA_MAC_VER_30:
-	case RTL_GIGA_MAC_VER_31:
-	case RTL_GIGA_MAC_VER_32:
-	case RTL_GIGA_MAC_VER_33:
+	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39:
 	case RTL_GIGA_MAC_VER_43:
@@ -4822,15 +4737,7 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
 static void r8168_pll_power_up(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_25:
-	case RTL_GIGA_MAC_VER_26:
-	case RTL_GIGA_MAC_VER_27:
-	case RTL_GIGA_MAC_VER_28:
-	case RTL_GIGA_MAC_VER_29:
-	case RTL_GIGA_MAC_VER_30:
-	case RTL_GIGA_MAC_VER_31:
-	case RTL_GIGA_MAC_VER_32:
-	case RTL_GIGA_MAC_VER_33:
+	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39:
 	case RTL_GIGA_MAC_VER_43:
@@ -4889,45 +4796,16 @@ static void rtl_pll_power_up(struct rtl8169_private *tp)
 static void rtl_init_rxcfg(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_01:
-	case RTL_GIGA_MAC_VER_02:
-	case RTL_GIGA_MAC_VER_03:
-	case RTL_GIGA_MAC_VER_04:
-	case RTL_GIGA_MAC_VER_05:
-	case RTL_GIGA_MAC_VER_06:
-	case RTL_GIGA_MAC_VER_10:
-	case RTL_GIGA_MAC_VER_11:
-	case RTL_GIGA_MAC_VER_12:
-	case RTL_GIGA_MAC_VER_13:
-	case RTL_GIGA_MAC_VER_14:
-	case RTL_GIGA_MAC_VER_15:
-	case RTL_GIGA_MAC_VER_16:
-	case RTL_GIGA_MAC_VER_17:
+	case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06:
+	case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
 		RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
 		break;
-	case RTL_GIGA_MAC_VER_18:
-	case RTL_GIGA_MAC_VER_19:
-	case RTL_GIGA_MAC_VER_20:
-	case RTL_GIGA_MAC_VER_21:
-	case RTL_GIGA_MAC_VER_22:
-	case RTL_GIGA_MAC_VER_23:
-	case RTL_GIGA_MAC_VER_24:
+	case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
 	case RTL_GIGA_MAC_VER_34:
 	case RTL_GIGA_MAC_VER_35:
 		RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
 		break;
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 		RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
 		break;
 	default:
@@ -5064,18 +4942,7 @@ static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
 	 * No action needed for jumbo frames with 8169.
 	 * No jumbo for 810x at all.
 	 */
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 	default:
 		ops->disable	= NULL;
 		ops->enable	= NULL;
@@ -5438,20 +5305,8 @@ static void rtl_init_csi_ops(struct rtl8169_private *tp)
 	struct csi_ops *ops = &tp->csi_ops;
 
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_01:
-	case RTL_GIGA_MAC_VER_02:
-	case RTL_GIGA_MAC_VER_03:
-	case RTL_GIGA_MAC_VER_04:
-	case RTL_GIGA_MAC_VER_05:
-	case RTL_GIGA_MAC_VER_06:
-	case RTL_GIGA_MAC_VER_10:
-	case RTL_GIGA_MAC_VER_11:
-	case RTL_GIGA_MAC_VER_12:
-	case RTL_GIGA_MAC_VER_13:
-	case RTL_GIGA_MAC_VER_14:
-	case RTL_GIGA_MAC_VER_15:
-	case RTL_GIGA_MAC_VER_16:
-	case RTL_GIGA_MAC_VER_17:
+	case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06:
+	case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
 		ops->write	= NULL;
 		ops->read	= NULL;
 		break;
@@ -7843,20 +7698,10 @@ static void rtl_hw_init_8168ep(struct rtl8169_private *tp)
 static void rtl_hw_initialize(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_40:
-	case RTL_GIGA_MAC_VER_41:
-	case RTL_GIGA_MAC_VER_42:
-	case RTL_GIGA_MAC_VER_43:
-	case RTL_GIGA_MAC_VER_44:
-	case RTL_GIGA_MAC_VER_45:
-	case RTL_GIGA_MAC_VER_46:
-	case RTL_GIGA_MAC_VER_47:
-	case RTL_GIGA_MAC_VER_48:
+	case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
 		rtl_hw_init_8168g(tp);
 		break;
-	case RTL_GIGA_MAC_VER_49:
-	case RTL_GIGA_MAC_VER_50:
-	case RTL_GIGA_MAC_VER_51:
+	case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51:
 		rtl_hw_init_8168ep(tp);
 		break;
 	default:
-- 
2.17.0


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