summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/xscale/ixp4xx_eth.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/xscale/ixp4xx_eth.c')
-rw-r--r--drivers/net/ethernet/xscale/ixp4xx_eth.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 89770c2e0ffb..3591b9edc9a1 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -29,6 +29,7 @@
#include <linux/net_tstamp.h>
#include <linux/of.h>
#include <linux/of_mdio.h>
+#include <linux/of_net.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/ptp_classify.h>
@@ -156,7 +157,7 @@ struct eth_plat_info {
u8 phy; /* MII PHY ID, 0 - 31 */
u8 rxq; /* configurable, currently 0 - 31 only */
u8 txreadyq;
- u8 hwaddr[6];
+ u8 hwaddr[ETH_ALEN];
u8 npe; /* NPE instance used by this interface */
bool has_mdio; /* If this instance has an MDIO bus */
};
@@ -1387,6 +1388,7 @@ static struct eth_plat_info *ixp4xx_of_get_platdata(struct device *dev)
struct of_phandle_args npe_spec;
struct device_node *mdio_np;
struct eth_plat_info *plat;
+ u8 mac[ETH_ALEN];
int ret;
plat = devm_kzalloc(dev, sizeof(*plat), GFP_KERNEL);
@@ -1428,6 +1430,12 @@ static struct eth_plat_info *ixp4xx_of_get_platdata(struct device *dev)
}
plat->txreadyq = queue_spec.args[0];
+ ret = of_get_mac_address(np, mac);
+ if (!ret) {
+ dev_info(dev, "Setting macaddr from DT %pM\n", mac);
+ memcpy(plat->hwaddr, mac, ETH_ALEN);
+ }
+
return plat;
}
@@ -1487,7 +1495,10 @@ static int ixp4xx_eth_probe(struct platform_device *pdev)
port->plat = plat;
npe_port_tab[NPE_ID(port->id)] = port;
- eth_hw_addr_set(ndev, plat->hwaddr);
+ if (is_valid_ether_addr(plat->hwaddr))
+ eth_hw_addr_set(ndev, plat->hwaddr);
+ else
+ eth_hw_addr_random(ndev);
platform_set_drvdata(pdev, ndev);