openwrt-xburst/target/linux/brcm63xx/patches-3.3/418-bcm63xx_enet-store-the-number-of-ports-instead-of-ha.patch

From efe31ec8fca92162fc21630611971345014a81a0 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Tue, 10 Jul 2012 10:39:30 +0200
Subject: [PATCH 33/84] bcm63xx_enet: store the number of ports instead of hardcoding them

This will be needed for devices with a different number of ports
---
 arch/mips/bcm63xx/dev-enet.c                       |    2 ++
 .../include/asm/mach-bcm63xx/bcm63xx_dev_enet.h    |    2 ++
 drivers/net/ethernet/broadcom/bcm63xx_enet.c       |    9 +++++----
 drivers/net/ethernet/broadcom/bcm63xx_enet.h       |    1 +
 4 files changed, 10 insertions(+), 4 deletions(-)

--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -239,6 +239,8 @@ bcm63xx_enetsw_register(const struct bcm
 
 	memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof (*pd));
 
+	enetsw_pd.num_ports = ENETSW_PORTS_6368;
+
 	ret = platform_device_register(&bcm63xx_enetsw_device);
 	if (ret)
 		return ret;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -43,6 +43,7 @@ struct bcm63xx_enet_platform_data {
  * on board ethernet switch platform data
  */
 #define ENETSW_MAX_PORT	6
+#define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
 
 struct bcm63xx_enetsw_port {
 	int		used;
@@ -58,6 +59,7 @@ struct bcm63xx_enetsw_port {
 
 struct bcm63xx_enetsw_platform_data {
 	char mac_addr[ETH_ALEN];
+	int num_ports;
 	struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
 };
 
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2041,7 +2041,7 @@ static void swphy_poll_timer(unsigned lo
 	struct bcm_enet_priv *priv = (struct bcm_enet_priv *)data;
 	unsigned int i;
 
-	for (i = 0; i < ARRAY_SIZE(priv->used_ports); i++) {
+	for (i = 0; i < priv->num_ports; i++) {
 		struct bcm63xx_enetsw_port *port;
 		int val, j, up, advertise, lpa, lpa2, speed, duplex, media;
 		u8 override;
@@ -2207,7 +2207,7 @@ static int bcm_enetsw_open(struct net_de
 	priv->rx_curr_desc = 0;
 
 	/* disable all ports */
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < priv->num_ports; i++) {
 		enetsw_writeb(priv, ENETSW_PORTOV_ENABLE_MASK,
 			      ENETSW_PORTOV_REG(i));
 		enetsw_writeb(priv, ENETSW_PTCTRL_RXDIS_MASK |
@@ -2303,7 +2303,7 @@ static int bcm_enetsw_open(struct net_de
 	/*
 	 * apply override config for bypass_link ports here.
 	 */
-	for (i = 0; i < ARRAY_SIZE(priv->used_ports); i++) {
+	for (i = 0; i < priv->num_ports; i++) {
 		struct bcm63xx_enetsw_port *port;
 		u8 override;
 		port = &priv->used_ports[i];
@@ -2447,7 +2447,7 @@ static int bcm_enetsw_phy_is_external(st
 {
 	int i;
 
-	for (i = 0; i < (int)ARRAY_SIZE(priv->used_ports); ++i) {
+	for (i = 0; i < priv->num_ports; ++i) {
 		if (!priv->used_ports[i].used)
 			continue;
 		if (priv->used_ports[i].phy_id == phy_id)
@@ -2735,6 +2735,7 @@ static int __devinit bcm_enetsw_probe(st
 		memcpy(dev->dev_addr, pd->mac_addr, ETH_ALEN);
 		memcpy(priv->used_ports, pd->used_ports,
 		       sizeof (pd->used_ports));
+		priv->num_ports = pd->num_ports;
 	}
 
 	ret = compute_hw_mtu(priv, dev->mtu);
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
@@ -354,6 +354,7 @@ struct bcm_enet_priv {
 	unsigned int hw_mtu;
 
 	/* port mapping for switch devices */
+	int num_ports;
 	struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
 	int sw_port_link[ENETSW_MAX_PORT];