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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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27
target/linux/mvebu/patches-6.6/701-mvpp2-read-mac-address-from-nvmem.patch Normal file
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@@ -0,0 +1,27 @@
From: Tobias Schramm <tobias@t-sys.eu>
Subject: mvpp2: support fetching mac address from nvmem
The mvpp2 driver did not query nvmem for hardware mac addresses. This
patch adds querying of mac addresses stored in nvmem cells as a further
fallback option before assigning a random address.
Purposely added separately to fwnode_get_mac_address() above to maintain
existing behaviour with builtin adapter mac address still taking
precedence.
Signed-off-by: Tobias Schramm <tobias@t-sys.eu>
---
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -6156,6 +6156,12 @@ static int mvpp2_port_copy_mac_addr(stru
return 0;
}
+ if (!of_get_mac_address(to_of_node(fwnode), hw_mac_addr)) {
+ *mac_from = "nvmem cell";
+ eth_hw_addr_set(dev, hw_mac_addr);
+ return 0;
+ }
+
*mac_from = "random";
eth_hw_addr_random(dev);