kernel/swconfig: remove obsolete portmapping feature from swconfig

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/generic/files/drivers/net/phy/swconfig.c

@@ -915,9 +915,7 @@ static int
 swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 		const struct switch_dev *dev)
 {
-	struct nlattr *p = NULL, *m = NULL;
 	void *hdr;
-	int i;
 
 	hdr = genlmsg_put(msg, pid, seq, &switch_fam, flags,
 			SWITCH_CMD_NEW_ATTR);
@@ -939,24 +937,6 @@ swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 	if (nla_put_u32(msg, SWITCH_ATTR_CPU_PORT, dev->cpu_port))
 		goto nla_put_failure;
 
-	m = nla_nest_start(msg, SWITCH_ATTR_PORTMAP);
-	if (!m)
-		goto nla_put_failure;
-	for (i = 0; i < dev->ports; i++) {
-		p = nla_nest_start(msg, SWITCH_ATTR_PORTS);
-		if (!p)
-			continue;
-		if (dev->portmap[i].s) {
-			if (nla_put_string(msg, SWITCH_PORTMAP_SEGMENT,
-						dev->portmap[i].s))
-				goto nla_put_failure;
-			if (nla_put_u32(msg, SWITCH_PORTMAP_VIRT,
-						dev->portmap[i].virt))
-				goto nla_put_failure;
-		}
-		nla_nest_end(msg, p);
-	}
-	nla_nest_end(msg, m);
 	genlmsg_end(msg, hdr);
 	return msg->len;
 nla_put_failure:
@@ -1049,51 +1029,6 @@ static struct genl_ops swconfig_ops[] = {
 	}
 };
 
-#ifdef CONFIG_OF
-void
-of_switch_load_portmap(struct switch_dev *dev)
-{
-	struct device_node *port;
-
-	if (!dev->of_node)
-		return;
-
-	for_each_child_of_node(dev->of_node, port) {
-		const __be32 *prop;
-		const char *segment;
-		int size, phys;
-
-		if (!of_device_is_compatible(port, "swconfig,port"))
-			continue;
-
-		if (of_property_read_string(port, "swconfig,segment", &segment))
-			continue;
-
-		prop = of_get_property(port, "swconfig,portmap", &size);
-		if (!prop)
-			continue;
-
-		if (size != (2 * sizeof(*prop))) {
-			pr_err("%s: failed to parse port mapping\n",
-					port->name);
-			continue;
-		}
-
-		phys = be32_to_cpup(prop++);
-		if ((phys < 0) | (phys >= dev->ports)) {
-			pr_err("%s: physical port index out of range\n",
-					port->name);
-			continue;
-		}
-
-		dev->portmap[phys].s = kstrdup(segment, GFP_KERNEL);
-		dev->portmap[phys].virt = be32_to_cpup(prop);
-		pr_debug("Found port: %s, physical: %d, virtual: %d\n",
-			segment, phys, dev->portmap[phys].virt);
-	}
-}
-#endif
-
 int
 register_switch(struct switch_dev *dev, struct net_device *netdev)
 {
@@ -1116,12 +1051,6 @@ register_switch(struct switch_dev *dev, struct net_device *netdev)
 				dev->ports, GFP_KERNEL);
 		if (!dev->portbuf)
 			return -ENOMEM;
-		dev->portmap = kzalloc(sizeof(struct switch_portmap) *
-				dev->ports, GFP_KERNEL);
-		if (!dev->portmap) {
-			kfree(dev->portbuf);
-			return -ENOMEM;
-		}
 	}
 	swconfig_defaults_init(dev);
 	mutex_init(&dev->sw_mutex);
@@ -1143,11 +1072,6 @@ register_switch(struct switch_dev *dev, struct net_device *netdev)
 		return -ENFILE;
 	}
 
-#ifdef CONFIG_OF
-	if (dev->ports)
-		of_switch_load_portmap(dev);
-#endif
-
 	/* fill device name */
 	snprintf(dev->devname, IFNAMSIZ, SWCONFIG_DEVNAME, i);
 

target/linux/generic/files/include/linux/switch.h

@@ -105,7 +105,6 @@ struct switch_dev_ops {
 };
 
 struct switch_dev {
-	struct device_node *of_node;
 	const struct switch_dev_ops *ops;
 	/* will be automatically filled */
 	char devname[IFNAMSIZ];
@@ -126,7 +125,6 @@ struct switch_dev {
 
 	struct mutex sw_mutex;
 	struct switch_port *portbuf;
-	struct switch_portmap *portmap;
 	struct switch_port_link linkbuf;
 
 	char buf[128];
@@ -141,11 +139,6 @@ struct switch_port {
 	u32 flags;
 };
 
-struct switch_portmap {
-	u32 virt;
-	const char *s;
-};
-
 struct switch_val {
 	const struct switch_attr *attr;
 	int port_vlan;

target/linux/generic/files/include/uapi/linux/switch.h

@@ -39,7 +39,6 @@ enum {
 	SWITCH_ATTR_NAME,
 	SWITCH_ATTR_VLANS,
 	SWITCH_ATTR_PORTS,
-	SWITCH_ATTR_PORTMAP,
 	SWITCH_ATTR_CPU_PORT,
 	/* attributes */
 	SWITCH_ATTR_OP_ID,
@@ -57,14 +56,6 @@ enum {
 	SWITCH_ATTR_MAX
 };
 
-enum {
-	/* port map */
-	SWITCH_PORTMAP_PORTS,
-	SWITCH_PORTMAP_SEGMENT,
-	SWITCH_PORTMAP_VIRT,
-	SWITCH_PORTMAP_MAX
-};
-
 /* commands */
 enum {
 	SWITCH_CMD_UNSPEC,

target/linux/ramips/dts/FONERA20N.dts

@@ -93,36 +93,6 @@
 
 &esw {
 	mediatek,portmap = <0x2f>;
-
-	port@0 {
-		compatible = "swconfig,port";
-		swconfig,segment = "lan";
-		swconfig,portmap = <0 4>;
-	};
-
-	port@1 {
-		compatible = "swconfig,port";
-		swconfig,segment = "lan";
-		swconfig,portmap = <1 3>;
-	};
-
-	port@2 {
-		compatible = "swconfig,port";
-		swconfig,segment = "lan";
-		swconfig,portmap = <2 2>;
-	};
-
-	port@3 {
-		compatible = "swconfig,port";
-		swconfig,segment = "lan";
-		swconfig,portmap = <3 1>;
-	};
-
-	port@4 {
-		compatible = "swconfig,port";
-		swconfig,segment = "wan";
-		swconfig,portmap = <4 0>;
-	};
 };
 
 &wmac {

target/linux/ramips/patches-4.4/0512-net-mediatek-add-swconfig-driver-for-esw_rt3050.patch

@@ -865,12 +865,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  	struct rt305x_esw *esw;
  	struct resource *irq;
  	int ret;
-@@ -568,6 +1353,21 @@ static int esw_probe(struct platform_dev
+@@ -568,6 +1353,20 @@ static int esw_probe(struct platform_dev
  	if (reg_init)
  		esw->reg_led_polarity = be32_to_cpu(*reg_init);
  
 +	swdev = &esw->swdev;
-+	swdev->of_node = pdev->dev.of_node;
 +	swdev->name = "rt305x-esw";
 +	swdev->alias = "rt305x";
 +	swdev->cpu_port = RT305X_ESW_PORT6;