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author | John Crispin <blogic@openwrt.org> | 2014-03-18 19:21:56 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2014-03-18 19:21:56 +0000 |
commit | de51ae36beb618be705b292e32610a2e3efae330 (patch) | |
tree | 5bd54a4e1462f1d3bd187b2af9d1f2d1d4f00d55 /target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch | |
parent | 694bc2270f53c34cdf86d5067040481f37e44e00 (diff) | |
download | master-187ad058-de51ae36beb618be705b292e32610a2e3efae330.tar.gz master-187ad058-de51ae36beb618be705b292e32610a2e3efae330.tar.bz2 master-187ad058-de51ae36beb618be705b292e32610a2e3efae330.zip |
ralink: refresh patches
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39949 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch')
-rw-r--r-- | target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch b/target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch new file mode 100644 index 0000000000..a48bd4b48d --- /dev/null +++ b/target/linux/ramips/patches-3.10/0117-NET-add-of_get_mac_address_mtd.patch @@ -0,0 +1,76 @@ +From 1282a0da09e059288eb8b576998ea001680f6628 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 14 Jul 2013 23:26:15 +0200 +Subject: [PATCH 117/133] NET: add of_get_mac_address_mtd() + +Many embedded devices have information such as mac addresses stored inside mtd +devices. This patch allows us to add a property inside a node describing a +network interface. The new property points at a mtd partition with an offset +where the mac address can be found. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ + include/linux/of_net.h | 1 + + 2 files changed, 38 insertions(+) + +--- a/drivers/of/of_net.c ++++ b/drivers/of/of_net.c +@@ -10,6 +10,7 @@ + #include <linux/of_net.h> + #include <linux/phy.h> + #include <linux/export.h> ++#include <linux/mtd/mtd.h> + + /** + * It maps 'enum phy_interface_t' found in include/linux/phy.h +@@ -92,3 +93,39 @@ 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) ++{ ++ struct device_node *mtd_np = NULL; ++ size_t retlen; ++ int size, ret; ++ struct mtd_info *mtd; ++ const char *part; ++ const __be32 *list; ++ phandle phandle; ++ ++ 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, (u_char *) mac); ++ put_mtd_device(mtd); ++ ++ return ret; ++} ++EXPORT_SYMBOL_GPL(of_get_mac_address_mtd); +--- a/include/linux/of_net.h ++++ b/include/linux/of_net.h +@@ -11,6 +11,7 @@ + #include <linux/of.h> + extern const 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); + #else + static inline const int of_get_phy_mode(struct device_node *np) + { |