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- From 763716a55cb1f480ffe1a9702e6b5d9ea1a80a24 Mon Sep 17 00:00:00 2001
- From: Matthew Hagan <[email protected]>
- Date: Sat, 25 Sep 2021 11:36:27 +0000
- Subject: [PATCH] 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/[email protected]
- Signed-off-by: Matthew Hagan <[email protected]>
- Reviewed-by: Andrew Lunn <[email protected]>
- Reviewed-by: Florian Fainelli <[email protected]>
- Signed-off-by: David S. Miller <[email protected]>
- ---
- drivers/net/ethernet/broadcom/bgmac-platform.c | 3 +++
- 1 file changed, 3 insertions(+)
- --- a/drivers/net/ethernet/broadcom/bgmac-platform.c
- +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
- @@ -193,6 +193,9 @@ static int bgmac_probe(struct platform_d
- 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");
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