openwrt/target/linux/generic/pending-5.10/683-of_net-add-mac-address-to-of-tree.patch
Ansuel Smith 5ae2e78639 kernel: drop support for mtd-mac-address
Now that we have fully switched to nvmem interface we can drop
the use of mtd-mac-address patches as it's not used anymore and
the new nvmem implementation should be used for any new device.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
2021-10-09 21:14:54 +02:00

39 lines
929 B
Diff

--- 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
@@ -161,6 +182,7 @@ found:
if (!of_property_read_u32(np, "mac-address-increment", &mac_inc))
addr[inc_idx] += mac_inc;
+ of_add_mac_address(np, addr);
return ret;
}
EXPORT_SYMBOL(of_get_mac_address);