[PATCHv2 net-next 1/2] net: thunder_bgx: check for MAC probe defer
From: Rosen Penev <hidden>
Date: 2025-09-04 21:32:42
Also in:
lkml, netdev
Subsystem:
arm/cavium thunder network driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
of_get_mac_address supports NVMEM, which can load after the driver. Check for it and defer in such a case. Signed-off-by: Rosen Penev <redacted> --- drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 9efb60842ad1..a68dccb7c2da 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c@@ -1471,6 +1471,7 @@ static int bgx_init_of_phy(struct bgx *bgx) struct fwnode_handle *fwn; struct device_node *node = NULL; u8 lmac = 0; + int err; device_for_each_child_node(&bgx->pdev->dev, fwn) { struct phy_device *pd;
@@ -1483,7 +1484,9 @@ static int bgx_init_of_phy(struct bgx *bgx) if (!node) break; - of_get_mac_address(node, bgx->lmac[lmac].mac); + err = of_get_mac_address(node, bgx->lmac[lmac].mac); + if (err == -EPROBE_DEFER) + goto defer; SET_NETDEV_DEV(bgx->lmac[lmac].netdev, &bgx->pdev->dev); bgx->lmac[lmac].lmacid = lmac;
--
2.51.0