From db0c1b56a00f431929aa0da58ea6bfe02a504607 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Tue, 7 Jul 2015 13:44:27 +0000 Subject: generic: Allow configuring an increment with mtd-mac-address This is useful if the device also has an ethernet WAN interface with a separate mac address (that is derived from the LAN mac address). Signed-off-by: Martin Blumenstingl git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46220 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches-4.1/681-NET-add-of_get_mac_address_mtd.patch | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'target/linux/generic/patches-4.1/681-NET-add-of_get_mac_address_mtd.patch') diff --git a/target/linux/generic/patches-4.1/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/patches-4.1/681-NET-add-of_get_mac_address_mtd.patch index fe3f04ed37..65428981ec 100644 --- a/target/linux/generic/patches-4.1/681-NET-add-of_get_mac_address_mtd.patch +++ b/target/linux/generic/patches-4.1/681-NET-add-of_get_mac_address_mtd.patch @@ -23,12 +23,12 @@ Signed-off-by: John Crispin /** * of_get_phy_mode - Get phy mode for given device_node -@@ -80,3 +81,39 @@ const void *of_get_mac_address(struct de +@@ -80,3 +81,43 @@ const void *of_get_mac_address(struct de return of_get_mac_addr(np, "address"); } EXPORT_SYMBOL(of_get_mac_address); + -+int of_get_mac_address_mtd(struct device_node *np, void *mac) ++int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac) +{ + struct device_node *mtd_np = NULL; + size_t retlen; @@ -37,6 +37,7 @@ Signed-off-by: John Crispin + 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)))) @@ -57,9 +58,12 @@ Signed-off-by: John Crispin + 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); @@ -69,7 +73,7 @@ Signed-off-by: John Crispin struct net_device; 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); ++extern int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac); extern struct net_device *of_find_net_device_by_node(struct device_node *np); #else static inline int of_get_phy_mode(struct device_node *np) -- cgit v1.2.3