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>

target/linux/generic/pending-5.10/682-of_net-add-mac-address-increment-support.patch

@@ -20,9 +20,9 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
 
 --- a/drivers/of/of_net.c
 +++ b/drivers/of/of_net.c
-@@ -166,31 +166,56 @@ static int of_get_mac_address_mtd(struct
-  * If a mtd-mac-address property exists, try to fetch the MAC address from the
-  * specified mtd device.
+@@ -115,27 +115,52 @@ static int of_get_mac_addr_nvmem(struct
+  * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
+  * but is all zeros.
   *
 + * DT can tell the system to increment the mac-address after is extracted by
 + * using:
@@ -63,11 +63,6 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
  	ret = of_get_mac_addr(np, "address", addr);
  	if (!ret)
 -		return 0;
-+		goto found;
-
- 	ret = of_get_mac_address_mtd(np, addr);
- 	if (!ret)
--		return 0;
 +		goto found;
 +
 +	ret = of_get_mac_addr_nvmem(np, addr);

target/linux/generic/pending-5.10/683-of_net-add-mac-address-to-of-tree.patch

@@ -1,7 +1,7 @@
 --- a/drivers/of/of_net.c
 +++ b/drivers/of/of_net.c
-@@ -141,6 +141,26 @@ static int of_get_mac_address_mtd(struct
- 	return -EINVAL;
+@@ -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)
@@ -24,10 +24,11 @@
 +	kfree(prop);
 +	return -ENOMEM;
 +}
- 
++
  /**
   * Search the device tree for the best MAC address to use.  'mac-address' is
-@@ -216,6 +236,7 @@ found:
+  * 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;
 

target/linux/generic/pending-5.4/682-of_net-add-mac-address-increment-support.patch

@@ -20,9 +20,9 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
 
 --- a/drivers/of/of_net.c
 +++ b/drivers/of/of_net.c
-@@ -160,31 +160,56 @@ static int of_get_mac_address_mtd(struct
-  * If a mtd-mac-address property exists, try to fetch the MAC address from the
-  * specified mtd device.
+@@ -109,27 +109,52 @@ static int of_get_mac_addr_nvmem(struct
+  * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
+  * but is all zeros.
   *
 + * DT can tell the system to increment the mac-address after is extracted by
 + * using:
@@ -63,11 +63,6 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
  	ret = of_get_mac_addr(np, "address", addr);
  	if (!ret)
 -		return 0;
-+		goto found;
-
- 	ret = of_get_mac_address_mtd(np, addr);
- 	if (!ret)
--		return 0;
 +		goto found;
 +
 +	ret = of_get_mac_addr_nvmem(np, addr);

target/linux/generic/pending-5.4/683-of_net-add-mac-address-to-of-tree.patch

@@ -1,7 +1,7 @@
 --- a/drivers/of/of_net.c
 +++ b/drivers/of/of_net.c
-@@ -135,6 +135,26 @@ static int of_get_mac_address_mtd(struct
- 	return -EINVAL;
+@@ -89,6 +89,27 @@ static int of_get_mac_addr_nvmem(struct
+ 	return 0;
  }
 
 +static int of_add_mac_address(struct device_node *np, u8* addr)
@@ -24,10 +24,11 @@
 +	kfree(prop);
 +	return -ENOMEM;
 +}
- 
++
  /**
   * Search the device tree for the best MAC address to use.  'mac-address' is
-@@ -210,6 +230,7 @@ found:
+  * checked first, because that is supposed to contain to "most recent" MAC
+@@ -155,6 +176,7 @@ found:
  	if (!of_property_read_u32(np, "mac-address-increment", &mac_inc))
  		addr[inc_idx] += mac_inc;