Thread (15 messages) 15 messages, 3 authors, 2018-04-09
STALE3031d
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[net-next PATCH v3 03/11] net: netcp: ethss: use macro for checking ss_version consistently

From: Murali Karicheri <hidden>
Date: 2018-04-02 14:38:03
Also in: linux-devicetree, lkml, netdev
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Driver currently uses macro for NU and XBE hardwrae, while other
places for older hardware such as that on K2H/K SoC (version 1.4
of the cpsw hardware, it explicitly check for the ss_version
inline. Add a new macro for version 1.4 and use it to customize
code in the driver. While at it also fix similar issue with
checking XBE version by re-using existing macro IS_SS_ID_XGBE().

Signed-off-by: Murali Karicheri <redacted>
---
 drivers/net/ethernet/ti/netcp_ethss.c | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 56dbc0b..1b79fe5 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -42,7 +42,7 @@
 
 /* 1G Ethernet SS defines */
 #define GBE_MODULE_NAME			"netcp-gbe"
-#define GBE_SS_VERSION_14		0x4ed21104
+#define GBE_SS_VERSION_14		0x4ed2
 
 #define GBE_SS_REG_INDEX		0
 #define GBE_SGMII34_REG_INDEX		1
@@ -72,6 +72,9 @@
 #define IS_SS_ID_NU(d) \
 	(GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU)
 
+#define IS_SS_ID_VER_14(d) \
+	(GBE_IDENT((d)->ss_version) == GBE_SS_VERSION_14)
+
 #define GBENU_SS_REG_INDEX		0
 #define GBENU_SM_REG_INDEX		1
 #define GBENU_SGMII_MODULE_OFFSET	0x100
@@ -86,7 +89,7 @@
 
 /* 10G Ethernet SS defines */
 #define XGBE_MODULE_NAME		"netcp-xgbe"
-#define XGBE_SS_VERSION_10		0x4ee42100
+#define XGBE_SS_VERSION_10		0x4ee4
 
 #define XGBE_SS_REG_INDEX		0
 #define XGBE_SM_REG_INDEX		1
@@ -1915,7 +1918,7 @@ static void keystone_get_ethtool_stats(struct net_device *ndev,
 
 	gbe_dev = gbe_intf->gbe_dev;
 	spin_lock_bh(&gbe_dev->hw_stats_lock);
-	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+	if (IS_SS_ID_VER_14(gbe_dev))
 		gbe_update_stats_ver14(gbe_dev, data);
 	else
 		gbe_update_stats(gbe_dev, data);
@@ -2205,7 +2208,7 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
 		max_rx_len = NETCP_MAX_FRAME_SIZE;
 
 	/* Enable correct MII mode at SS level */
-	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) &&
+	if (IS_SS_ID_XGBE(gbe_dev) &&
 	    (slave->link_interface >= XGMII_LINK_MAC_PHY)) {
 		xgmii_mode = readl(GBE_REG_ADDR(gbe_dev, ss_regs, control));
 		xgmii_mode |= (1 << slave->slave_num);
@@ -2293,7 +2296,7 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
 	}
 
 	if (has_phy) {
-		if (priv->ss_version == XGBE_SS_VERSION_10)
+		if (IS_SS_ID_XGBE(priv))
 			hndlr = xgbe_adjust_link;
 
 		slave->phy = of_phy_connect(gbe_intf->ndev,
@@ -2764,7 +2767,7 @@ static void netcp_ethss_timer(struct timer_list *t)
 	/* A timer runs as a BH, no need to block them */
 	spin_lock(&gbe_dev->hw_stats_lock);
 
-	if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+	if (IS_SS_ID_VER_14(gbe_dev))
 		gbe_update_stats_ver14(gbe_dev, NULL);
 	else
 		gbe_update_stats(gbe_dev, NULL);
@@ -2807,7 +2810,7 @@ static int gbe_open(void *intf_priv, struct net_device *ndev)
 		GBE_RTL_VERSION(reg), GBE_IDENT(reg));
 
 	/* For 10G and on NetCP 1.5, use directed to port */
-	if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) || IS_SS_ID_MU(gbe_dev))
+	if (IS_SS_ID_XGBE(gbe_dev) || IS_SS_ID_MU(gbe_dev))
 		gbe_intf->tx_pipe.flags = SWITCH_TO_PORT_IN_TAGINFO;
 
 	if (gbe_dev->enable_ale)
@@ -2924,7 +2927,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
 
 	/* Emac regs memmap are contiguous but port regs are not */
 	port_reg_num = slave->slave_num;
-	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
+	if (IS_SS_ID_VER_14(gbe_dev)) {
 		if (slave->slave_num > 1) {
 			port_reg_ofs = GBE13_SLAVE_PORT2_OFFSET;
 			port_reg_num -= 2;
@@ -2939,7 +2942,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
 		emac_reg_ofs = GBENU_EMAC_OFFSET;
 		port_reg_blk_sz = 0x1000;
 		emac_reg_blk_sz = 0x1000;
-	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
+	} else if (IS_SS_ID_XGBE(gbe_dev)) {
 		port_reg_ofs = XGBE10_SLAVE_PORT_OFFSET;
 		emac_reg_ofs = XGBE10_EMAC_OFFSET;
 		port_reg_blk_sz = 0x30;
@@ -2955,7 +2958,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
 	slave->emac_regs = gbe_dev->switch_regs + emac_reg_ofs +
 				(emac_reg_blk_sz * slave->slave_num);
 
-	if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
+	if (IS_SS_ID_VER_14(gbe_dev)) {
 		/* Initialize  slave port register offsets */
 		GBE_SET_REG_OFS(slave, port_regs, port_vlan);
 		GBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
@@ -2989,7 +2992,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
 		GBENU_SET_REG_OFS(slave, emac_regs, mac_control);
 		GBENU_SET_REG_OFS(slave, emac_regs, soft_reset);
 
-	} else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
+	} else if (IS_SS_ID_XGBE(gbe_dev)) {
 		/* Initialize  slave port register offsets */
 		XGBE_SET_REG_OFS(slave, port_regs, port_vlan);
 		XGBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
@@ -3508,7 +3511,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
 
 		dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version);
 
-		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+		if (IS_SS_ID_VER_14(gbe_dev))
 			ret = set_gbe_ethss14_priv(gbe_dev, node);
 		else if (IS_SS_ID_MU(gbe_dev))
 			ret = set_gbenu_ethss_priv(gbe_dev, node);
@@ -3606,7 +3609,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
 
 	spin_lock_bh(&gbe_dev->hw_stats_lock);
 	for (i = 0; i < gbe_dev->num_stats_mods; i++) {
-		if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+		if (IS_SS_ID_VER_14(gbe_dev))
 			gbe_reset_mod_stats_ver14(gbe_dev, i);
 		else
 			gbe_reset_mod_stats(gbe_dev, i);
-- 
1.9.1
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