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authorDaniel Romell <danielromell@gmail.com>2016-08-19 14:12:01 +0200
committerDavid S. Miller <davem@davemloft.net>2016-08-20 22:11:29 -0700
commit5575cf133cf7f564da991595c6bc9344afa7d89a (patch)
tree8dd0f3158d637570612f265bb0eb6326ab962c0e /drivers/net/ethernet/xilinx
parentvmxnet3: fix tx data ring copy for variable size (diff)
downloadlinux-dev-5575cf133cf7f564da991595c6bc9344afa7d89a.tar.xz
linux-dev-5575cf133cf7f564da991595c6bc9344afa7d89a.zip
net: xilinx: emaclite: Fallback to random MAC address.
If the address configured in the device tree is invalid, the driver will fallback to using a random address from the locally administered range. Signed-off-by: Daniel Romell <daro@hms.se> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/xilinx')
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 3cee84a24815..93dc10b10c09 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1131,11 +1131,13 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
lp->rx_ping_pong = get_bool(ofdev, "xlnx,rx-ping-pong");
mac_address = of_get_mac_address(ofdev->dev.of_node);
- if (mac_address)
+ if (mac_address) {
/* Set the MAC address. */
memcpy(ndev->dev_addr, mac_address, ETH_ALEN);
- else
- dev_warn(dev, "No MAC address found\n");
+ } else {
+ dev_warn(dev, "No MAC address found, using random\n");
+ eth_hw_addr_random(ndev);
+ }
/* Clear the Tx CSR's in case this is a restart */
__raw_writel(0, lp->base_addr + XEL_TSR_OFFSET);