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author | Felix Fietkau <nbd@openwrt.org> | 2016-01-01 18:57:29 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-01 18:57:29 +0000 |
commit | 46519964ffdd8d917271496c9bd54a1d884fe5f2 (patch) | |
tree | 0364a4a6a1236ef89c22d5bfd76087afec8f8c32 /target/linux/generic | |
parent | 22693a9086e57c758cc9ef73499c3e4b274b7d01 (diff) | |
download | master-31e0f0ae-46519964ffdd8d917271496c9bd54a1d884fe5f2.tar.gz master-31e0f0ae-46519964ffdd8d917271496c9bd54a1d884fe5f2.tar.bz2 master-31e0f0ae-46519964ffdd8d917271496c9bd54a1d884fe5f2.zip |
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 <nbd@openwrt.org>
SVN-Revision: 48026
Diffstat (limited to 'target/linux/generic')
-rw-r--r-- | target/linux/generic/patches-4.3/681-NET-add-of_get_mac_address_mtd.patch | 85 | ||||
-rw-r--r-- | target/linux/generic/patches-4.4/681-NET-add-of_get_mac_address_mtd.patch | 85 |
2 files changed, 112 insertions, 58 deletions
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 <blogic@openwrt.org> 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 <blogic@openwrt.org> +Signed-off-by: Felix Fietkau <nbd@openwrt.org> --- drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/of_net.h | 1 + @@ -23,15 +24,15 @@ Signed-off-by: John Crispin <blogic@openwrt.org> /** * 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 <blogic@openwrt.org> + 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 <blogic@openwrt.org> + + 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 <blogic@openwrt.org> + 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 <blogic@openwrt.org> 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 <blogic@openwrt.org> +Signed-off-by: Felix Fietkau <nbd@openwrt.org> --- drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/of_net.h | 1 + @@ -23,15 +24,15 @@ Signed-off-by: John Crispin <blogic@openwrt.org> /** * 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 <blogic@openwrt.org> + 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 <blogic@openwrt.org> + + 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 <blogic@openwrt.org> + 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); |