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net: broadcom: bcm4908_enet: read MAC from OF

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BCM4908 devices have MAC address accessible using NVMEM so it's needed
to use OF helper for reading it.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafał Miłecki
2021-03-10 09:48:13 +01:00
committed by David S. Miller
parent 1ddc3229ad
commit 3559c1ea43
1 changed files with 7 additions and 1 deletions
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8
drivers/net/ethernet/broadcom/bcm4908_enet.c
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@@ -9,6 +9,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -620,6 +621,7 @@ static int bcm4908_enet_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct net_device *netdev;
struct bcm4908_enet *enet;
const u8 *mac;
int err;
netdev = devm_alloc_etherdev(dev, sizeof(*enet));
@@ -647,7 +649,11 @@ static int bcm4908_enet_probe(struct platform_device *pdev)
return err;
SET_NETDEV_DEV(netdev, &pdev->dev);
eth_hw_addr_random(netdev);
mac = of_get_mac_address(dev->of_node);
if (!IS_ERR(mac))
ether_addr_copy(netdev->dev_addr, mac);
else
eth_hw_addr_random(netdev);
netdev->netdev_ops = &bcm4908_enet_netdev_ops;
netdev->min_mtu = ETH_ZLEN;
netdev->mtu = ETH_DATA_LEN;