/**
* of_get_phy_mode - Get phy mode for given device_node
-@@ -75,3 +76,39 @@ const void *of_get_mac_address(struct de
+@@ -75,3 +76,45 @@ const void *of_get_mac_address(struct de
return NULL;
}
EXPORT_SYMBOL(of_get_mac_address);
+
-+int of_get_mac_address_mtd(struct device_node *np, void *mac)
++#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;
+ 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))))
+ if (IS_ERR(mtd))
+ return PTR_ERR(mtd);
+
-+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, (u_char *) mac);
++ 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
--- a/include/linux/of_net.h
+++ b/include/linux/of_net.h
-@@ -11,6 +11,7 @@
+@@ -11,6 +11,14 @@
#include <linux/of.h>
extern int of_get_phy_mode(struct device_node *np);
extern const void *of_get_mac_address(struct device_node *np);
-+extern int of_get_mac_address_mtd(struct device_node *np, void *mac);
++#ifdef CONFIG_MTD
++extern int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac);
++#else
++static inline int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac)
++{
++ return -ENOENT;
++}
++#endif
#else
static inline int of_get_phy_mode(struct device_node *np)
{