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-rw-r--r--target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch12
1 files changed, 9 insertions, 3 deletions
diff --git a/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch b/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
index b29b5f11b0..2b89a05238 100644
--- a/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
+++ b/target/linux/generic/pending-4.14/681-NET-add-of_get_mac_address_mtd.patch
@@ -32,7 +32,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
{
struct property *pp = of_find_property(np, name, NULL);
-@@ -47,6 +48,73 @@ static const void *of_get_mac_addr(struc
+@@ -47,6 +48,79 @@ static const void *of_get_mac_addr(struc
return NULL;
}
@@ -50,6 +50,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ u32 mac_inc = 0;
+ u8 mac[ETH_ALEN];
+ void *addr;
++ u32 inc_idx;
+
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
@@ -73,8 +74,13 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
++ if (of_property_read_u32(np, "mtd-mac-address-increment-byte", &inc_idx))
++ inc_idx = 5;
++ if (inc_idx > 5)
++ return NULL;
++
+ if (!of_property_read_u32(np, "mtd-mac-address-increment", &mac_inc))
-+ mac[5] += mac_inc;
++ mac[inc_idx] += mac_inc;
+
+ if (!is_valid_ether_addr(mac))
+ return NULL;
@@ -106,7 +112,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/**
* 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
-@@ -64,11 +132,18 @@ static const void *of_get_mac_addr(struc
+@@ -64,11 +138,18 @@ 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.