diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch b/target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch new file mode 100644 index 0000000000..03cd763d9d --- /dev/null +++ b/target/linux/generic/pending-5.15/683-of_net-add-mac-address-to-of-tree.patch @@ -0,0 +1,38 @@ +--- a/drivers/of/of_net.c ++++ b/drivers/of/of_net.c +@@ -95,6 +95,27 @@ static int of_get_mac_addr_nvmem(struct + return 0; + } + ++static int of_add_mac_address(struct device_node *np, u8* addr) ++{ ++ struct property *prop; ++ ++ prop = kzalloc(sizeof(*prop), GFP_KERNEL); ++ if (!prop) ++ return -ENOMEM; ++ ++ prop->name = "mac-address"; ++ prop->length = ETH_ALEN; ++ prop->value = kmemdup(addr, ETH_ALEN, GFP_KERNEL); ++ if (!prop->value || of_update_property(np, prop)) ++ goto free; ++ ++ return 0; ++free: ++ kfree(prop->value); ++ kfree(prop); ++ return -ENOMEM; ++} ++ + /** + * 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 +@@ -171,6 +192,7 @@ found: + addr[5] = (mac_val >> 0) & 0xff; + } + ++ of_add_mac_address(np, addr); + return ret; + } + EXPORT_SYMBOL(of_get_mac_address); |