[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20210310084813.16743-1-zajec5@gmail.com>
Date: Wed, 10 Mar 2021 09:48:13 +0100
From: Rafał Miłecki <zajec5@...il.com>
To: "David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
bcm-kernel-feedback-list@...adcom.com,
Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH net-next] net: broadcom: bcm4908_enet: read MAC from OF
From: Rafał Miłecki <rafal@...ecki.pl>
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@...ecki.pl>
---
drivers/net/ethernet/broadcom/bcm4908_enet.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index 50e3e7d8c723..0a04c0f83b76 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -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>
@@ -684,6 +685,7 @@ 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));
@@ -713,7 +715,11 @@ 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;
--
2.26.2
Powered by blists - more mailing lists