Commit 763716a5 authored by Matthew Hagan's avatar Matthew Hagan Committed by David S. Miller
Browse files

net: bgmac-platform: handle mac-address deferral 

This patch is a replication of Christian Lamparter's "net: bgmac-bcma:
handle deferred probe error due to mac-address" patch for the
bgmac-platform driver [1].

As is the case with the bgmac-bcma driver, this change is to cover the
scenario where the MAC address cannot yet be discovered due to reliance
on an nvmem provider which is yet to be instantiated, resulting in a
random address being assigned that has to be manually overridden.

[1] https://lore.kernel.org/netdev/20210919115725.29064-1-chunkeey@gmail.com



Signed-off-by: default avatarMatthew Hagan <mnhagan88@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 44b6aa2e

drivers/net/ethernet/broadcom/bgmac-platform.c

+3 −0
Original line number Diff line number Diff line
@@ -192,6 +192,9 @@ static int bgmac_probe(struct platform_device *pdev) 
	bgmac->dma_dev = &pdev->dev;



	ret = of_get_mac_address(np, bgmac->net_dev->dev_addr);

	if (ret == -EPROBE_DEFER)

		return ret;



	if (ret)

		dev_warn(&pdev->dev,

			 "MAC address not present in device tree\n");