From 46519964ffdd8d917271496c9bd54a1d884fe5f2 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 1 Jan 2016 18:57:29 +0000 Subject: [PATCH] kernel: fold of_get_mac_address_mtd into of_get_mac_address This makes it easier to keep drivers in sync with upstream Signed-off-by: Felix Fietkau SVN-Revision: 48026 --- .../681-NET-add-of_get_mac_address_mtd.patch | 85 ++++++++++++------- .../681-NET-add-of_get_mac_address_mtd.patch | 85 ++++++++++++------- ...k-add-of_get_mac_address_mtd-support.patch | 36 -------- 3 files changed, 112 insertions(+), 94 deletions(-) delete mode 100644 target/linux/ramips/patches-4.3/0600-net-mediatek-add-of_get_mac_address_mtd-support.patch diff --git a/target/linux/generic/patches-4.3/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/patches-4.3/681-NET-add-of_get_mac_address_mtd.patch index 688cf6e44a..0026f12c9e 100644 --- a/target/linux/generic/patches-4.3/681-NET-add-of_get_mac_address_mtd.patch +++ b/target/linux/generic/patches-4.3/681-NET-add-of_get_mac_address_mtd.patch @@ -1,6 +1,6 @@ From: John Crispin Date: Sun, 27 Jul 2014 09:40:01 +0100 -Subject: NET: add of_get_mac_address_mtd() +Subject: NET: add mtd-mac-address support to of_get_mac_address() 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 @@ -8,6 +8,7 @@ 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 +Signed-off-by: Felix Fietkau --- drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/of_net.h | 1 + @@ -23,15 +24,15 @@ Signed-off-by: John Crispin /** * of_get_phy_mode - Get phy mode for given device_node -@@ -80,3 +81,45 @@ const void *of_get_mac_address(struct de - return of_get_mac_addr(np, "address"); +@@ -47,6 +48,66 @@ static const void *of_get_mac_addr(struc + return NULL; } - EXPORT_SYMBOL(of_get_mac_address); -+ -+#ifdef CONFIG_MTD -+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac) + ++static const void *of_get_mac_address_mtd(struct device_node *np) +{ ++#ifdef CONFIG_MTD + struct device_node *mtd_np = NULL; ++ struct property *prop; + size_t retlen; + int size, ret; + struct mtd_info *mtd; @@ -39,17 +40,18 @@ Signed-off-by: John Crispin + const __be32 *list; + phandle phandle; + u32 mac_inc = 0; ++ u8 mac[ETH_ALEN]; + + list = of_get_property(np, "mtd-mac-address", &size); + if (!list || (size != (2 * sizeof(*list)))) -+ return -ENOENT; ++ return NULL; + + phandle = be32_to_cpup(list++); + if (phandle) + mtd_np = of_find_node_by_phandle(phandle); + + if (!mtd_np) -+ return -ENOENT; ++ return NULL; + + part = of_get_property(mtd_np, "label", NULL); + if (!part) @@ -57,7 +59,7 @@ Signed-off-by: John Crispin + + mtd = get_mtd_device_nm(part); + if (IS_ERR(mtd)) -+ return PTR_ERR(mtd); ++ return NULL; + + ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac); + put_mtd_device(mtd); @@ -65,24 +67,49 @@ Signed-off-by: John Crispin + 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); ++ if (!is_valid_ether_addr(mac)) ++ return NULL; ++ ++ prop = kzalloc(sizeof(*prop), GFP_KERNEL); ++ if (!prop) ++ return NULL; ++ ++ prop->name = "mac-address"; ++ prop->length = ETH_ALEN; ++ prop->value = kmemdup(mac, ETH_ALEN, GFP_KERNEL); ++ if (!prop->value || of_add_property(np, prop)) ++ goto free; ++ ++ return prop->value; ++free: ++ kfree(prop->value); ++ kfree(prop); +#endif ---- a/include/linux/of_net.h -+++ b/include/linux/of_net.h -@@ -13,6 +13,14 @@ - struct net_device; - extern int of_get_phy_mode(struct device_node *np); - extern const void *of_get_mac_address(struct device_node *np); -+#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; ++ return NULL; +} -+#endif - 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) ++ + /** + * 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 +@@ -64,6 +125,9 @@ static const void *of_get_mac_addr(struc + * addresses. Some older U-Boots only initialized 'local-mac-address'. In + * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists + * but is all zeros. ++ * ++ * If a mtd-mac-address property exists, try to fetch the MAC address from the ++ * specified mtd device, and store it as a 'mac-address' property + */ + const void *of_get_mac_address(struct device_node *np) + { +@@ -77,6 +141,10 @@ const void *of_get_mac_address(struct de + if (addr) + return addr; + +- return of_get_mac_addr(np, "address"); ++ addr = of_get_mac_addr(np, "address"); ++ if (addr) ++ return addr; ++ ++ return of_get_mac_address_mtd(np); + } + EXPORT_SYMBOL(of_get_mac_address); diff --git a/target/linux/generic/patches-4.4/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/patches-4.4/681-NET-add-of_get_mac_address_mtd.patch index 688cf6e44a..0026f12c9e 100644 --- a/target/linux/generic/patches-4.4/681-NET-add-of_get_mac_address_mtd.patch +++ b/target/linux/generic/patches-4.4/681-NET-add-of_get_mac_address_mtd.patch @@ -1,6 +1,6 @@ From: John Crispin Date: Sun, 27 Jul 2014 09:40:01 +0100 -Subject: NET: add of_get_mac_address_mtd() +Subject: NET: add mtd-mac-address support to of_get_mac_address() 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 @@ -8,6 +8,7 @@ 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 +Signed-off-by: Felix Fietkau --- drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/of_net.h | 1 + @@ -23,15 +24,15 @@ Signed-off-by: John Crispin /** * of_get_phy_mode - Get phy mode for given device_node -@@ -80,3 +81,45 @@ const void *of_get_mac_address(struct de - return of_get_mac_addr(np, "address"); +@@ -47,6 +48,66 @@ static const void *of_get_mac_addr(struc + return NULL; } - EXPORT_SYMBOL(of_get_mac_address); -+ -+#ifdef CONFIG_MTD -+int of_get_mac_address_mtd(struct device_node *np, unsigned char *mac) + ++static const void *of_get_mac_address_mtd(struct device_node *np) +{ ++#ifdef CONFIG_MTD + struct device_node *mtd_np = NULL; ++ struct property *prop; + size_t retlen; + int size, ret; + struct mtd_info *mtd; @@ -39,17 +40,18 @@ Signed-off-by: John Crispin + const __be32 *list; + phandle phandle; + u32 mac_inc = 0; ++ u8 mac[ETH_ALEN]; + + list = of_get_property(np, "mtd-mac-address", &size); + if (!list || (size != (2 * sizeof(*list)))) -+ return -ENOENT; ++ return NULL; + + phandle = be32_to_cpup(list++); + if (phandle) + mtd_np = of_find_node_by_phandle(phandle); + + if (!mtd_np) -+ return -ENOENT; ++ return NULL; + + part = of_get_property(mtd_np, "label", NULL); + if (!part) @@ -57,7 +59,7 @@ Signed-off-by: John Crispin + + mtd = get_mtd_device_nm(part); + if (IS_ERR(mtd)) -+ return PTR_ERR(mtd); ++ return NULL; + + ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac); + put_mtd_device(mtd); @@ -65,24 +67,49 @@ Signed-off-by: John Crispin + 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); ++ if (!is_valid_ether_addr(mac)) ++ return NULL; ++ ++ prop = kzalloc(sizeof(*prop), GFP_KERNEL); ++ if (!prop) ++ return NULL; ++ ++ prop->name = "mac-address"; ++ prop->length = ETH_ALEN; ++ prop->value = kmemdup(mac, ETH_ALEN, GFP_KERNEL); ++ if (!prop->value || of_add_property(np, prop)) ++ goto free; ++ ++ return prop->value; ++free: ++ kfree(prop->value); ++ kfree(prop); +#endif ---- a/include/linux/of_net.h -+++ b/include/linux/of_net.h -@@ -13,6 +13,14 @@ - struct net_device; - extern int of_get_phy_mode(struct device_node *np); - extern const void *of_get_mac_address(struct device_node *np); -+#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; ++ return NULL; +} -+#endif - 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) ++ + /** + * 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 +@@ -64,6 +125,9 @@ static const void *of_get_mac_addr(struc + * addresses. Some older U-Boots only initialized 'local-mac-address'. In + * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists + * but is all zeros. ++ * ++ * If a mtd-mac-address property exists, try to fetch the MAC address from the ++ * specified mtd device, and store it as a 'mac-address' property + */ + const void *of_get_mac_address(struct device_node *np) + { +@@ -77,6 +141,10 @@ const void *of_get_mac_address(struct de + if (addr) + return addr; + +- return of_get_mac_addr(np, "address"); ++ addr = of_get_mac_addr(np, "address"); ++ if (addr) ++ return addr; ++ ++ return of_get_mac_address_mtd(np); + } + EXPORT_SYMBOL(of_get_mac_address); diff --git a/target/linux/ramips/patches-4.3/0600-net-mediatek-add-of_get_mac_address_mtd-support.patch b/target/linux/ramips/patches-4.3/0600-net-mediatek-add-of_get_mac_address_mtd-support.patch deleted file mode 100644 index 38ef4187af..0000000000 --- a/target/linux/ramips/patches-4.3/0600-net-mediatek-add-of_get_mac_address_mtd-support.patch +++ /dev/null @@ -1,36 +0,0 @@ -From fce0d89383e0a2a694723989da608df1a464bae4 Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Sun, 13 Dec 2015 17:45:19 +0100 -Subject: [PATCH 1/2] net: mediatek: add of_get_mac_address_mtd() support - -Signed-off-by: John Crispin ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 +---- - 1 file changed, 1 insertion(+), 4 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index fb435fa..9999768 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1273,7 +1273,6 @@ static int __init fe_init(struct net_device *dev) - { - struct fe_priv *priv = netdev_priv(dev); - struct device_node *port; -- const char *mac_addr; - int err; - - priv->soc->reset_fe(); -@@ -1281,9 +1280,7 @@ static int __init fe_init(struct net_device *dev) - if (priv->soc->switch_init) - priv->soc->switch_init(priv); - -- mac_addr = of_get_mac_address(priv->device->of_node); -- if (mac_addr) -- ether_addr_copy(dev->dev_addr, mac_addr); -+ of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr); - - /*If the mac address is invalid, use random mac address */ - if (!is_valid_ether_addr(dev->dev_addr)) { --- -1.7.10.4 - -- 2.30.2