--- zzzz-none-000/linux-3.10.107/drivers/of/of_net.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/of/of_net.c	2021-02-04 17:41:59.000000000 +0000
@@ -10,51 +10,44 @@
 #include <linux/of_net.h>
 #include <linux/phy.h>
 #include <linux/export.h>
-
-/**
- * It maps 'enum phy_interface_t' found in include/linux/phy.h
- * into the device tree binding of 'phy-mode', so that Ethernet
- * device driver can get phy interface from device tree.
- */
-static const char *phy_modes[] = {
-	[PHY_INTERFACE_MODE_NA]		= "",
-	[PHY_INTERFACE_MODE_MII]	= "mii",
-	[PHY_INTERFACE_MODE_GMII]	= "gmii",
-	[PHY_INTERFACE_MODE_SGMII]	= "sgmii",
-	[PHY_INTERFACE_MODE_TBI]	= "tbi",
-	[PHY_INTERFACE_MODE_RMII]	= "rmii",
-	[PHY_INTERFACE_MODE_RGMII]	= "rgmii",
-	[PHY_INTERFACE_MODE_RGMII_ID]	= "rgmii-id",
-	[PHY_INTERFACE_MODE_RGMII_RXID]	= "rgmii-rxid",
-	[PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
-	[PHY_INTERFACE_MODE_RTBI]	= "rtbi",
-	[PHY_INTERFACE_MODE_SMII]	= "smii",
-};
+#include <linux/mtd/mtd.h>
 
 /**
  * of_get_phy_mode - Get phy mode for given device_node
  * @np:	Pointer to the given device_node
  *
- * The function gets phy interface string from property 'phy-mode',
- * and return its index in phy_modes table, or errno in error case.
+ * The function gets phy interface string from property 'phy-mode' or
+ * 'phy-connection-type', and return its index in phy_modes table, or errno in
+ * error case.
  */
-const int of_get_phy_mode(struct device_node *np)
+int of_get_phy_mode(struct device_node *np)
 {
 	const char *pm;
 	int err, i;
 
 	err = of_property_read_string(np, "phy-mode", &pm);
 	if (err < 0)
+		err = of_property_read_string(np, "phy-connection-type", &pm);
+	if (err < 0)
 		return err;
 
-	for (i = 0; i < ARRAY_SIZE(phy_modes); i++)
-		if (!strcasecmp(pm, phy_modes[i]))
+	for (i = 0; i < PHY_INTERFACE_MODE_MAX; i++)
+		if (!strcasecmp(pm, phy_modes(i)))
 			return i;
 
 	return -ENODEV;
 }
 EXPORT_SYMBOL_GPL(of_get_phy_mode);
 
+static const void *of_get_mac_addr(struct device_node *np, const char *name)
+{
+	struct property *pp = of_find_property(np, name, NULL);
+
+	if (pp && pp->length == ETH_ALEN && is_valid_ether_addr(pp->value))
+		return pp->value;
+	return NULL;
+}
+
 /**
  * Search the device tree for the best MAC address to use.  'mac-address' is
  * checked first, because that is supposed to contain to "most recent" MAC
@@ -75,20 +68,58 @@
 */
 const void *of_get_mac_address(struct device_node *np)
 {
-	struct property *pp;
+	const void *addr;
 
-	pp = of_find_property(np, "mac-address", NULL);
-	if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
-		return pp->value;
+	addr = of_get_mac_addr(np, "mac-address");
+	if (addr)
+		return addr;
 
-	pp = of_find_property(np, "local-mac-address", NULL);
-	if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
-		return pp->value;
-
-	pp = of_find_property(np, "address", NULL);
-	if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
-		return pp->value;
+	addr = of_get_mac_addr(np, "local-mac-address");
+	if (addr)
+		return addr;
 
-	return NULL;
+	return of_get_mac_addr(np, "address");
 }
 EXPORT_SYMBOL(of_get_mac_address);
+
+#ifdef CONFIG_MTD
+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac)
+{
+	struct device_node *mtd_np = NULL;
+	size_t retlen;
+	int size, ret;
+	struct mtd_info *mtd;
+	const char *part;
+	const __be32 *list;
+	phandle phandle;
+	u32 mac_inc = 0;
+
+	list = of_get_property(np, "mtd-mac-address", &size);
+	if (!list || (size != (2 * sizeof(*list))))
+		return -ENOENT;
+
+	phandle = be32_to_cpup(list++);
+	if (phandle)
+		mtd_np = of_find_node_by_phandle(phandle);
+
+	if (!mtd_np)
+		return -ENOENT;
+
+	part = of_get_property(mtd_np, "label", NULL);
+	if (!part)
+		part = mtd_np->name;
+
+	mtd = get_mtd_device_nm(part);
+	if (IS_ERR(mtd))
+		return PTR_ERR(mtd);
+
+	ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+	put_mtd_device(mtd);
+
+	if (!of_property_read_u32(np, "mtd-mac-address-increment", &mac_inc))
+		mac[5] += mac_inc;
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(of_get_mac_address_mtd);
+#endif