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net: gianfar: fix NVMEM mac address

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If nvmem loads after the ethernet driver, mac address assignments will
not take effect. of_get_ethdev_address returns EPROBE_DEFER in such a
case so we need to handle that to avoid eth_hw_addr_random.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240910220913.14101-1-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Rosen Penev 2024-09-10 15:09:13 -07:00 committed by Jakub Kicinski
parent cf06766f15
commit b2d9544070
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/freescale/gianfar.c
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@ -754,6 +754,8 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
priv->device_flags |= FSL_GIANFAR_DEV_HAS_BUF_STASHING;
err = of_get_ethdev_address(np, dev);
if (err == -EPROBE_DEFER)
goto err_grp_init;
if (err) {
eth_hw_addr_random(dev);
dev_info(&ofdev->dev, "Using random MAC address: %pM\n", dev->dev_addr);