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lantiq: handle EPROBE_DEFER for MAC

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If nvmem is used for ethernet mac address, we need to defer loading to
get the proper mac.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21955
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit fb71774232)
This commit is contained in:
Rosen Penev 2026-02-09 11:40:51 -08:00 committed by Hauke Mehrtens
parent 42b10de18d
commit d66fc6e86f
1 changed files with 10 additions and 4 deletions
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14
target/linux/lantiq/patches-6.12/028-NET-lantiq-various-etop-fixes.patch
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@ -767,7 +767,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -671,18 +873,54 @@ ltq_etop_probe(struct platform_device *p
@@ -671,18 +873,60 @@ ltq_etop_probe(struct platform_device *p
goto err_out;
}
@ -806,7 +806,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (err)
+ pr_err("Can't find phy-mode for port\n");
+
+ of_get_mac_address(pdev->dev.of_node, priv->mac);
+ err = of_get_mac_address(pdev->dev.of_node, priv->mac);
+ if (err == -EPROBE_DEFER)
+ goto err_out;
+ if (err) {
+ eth_hw_addr_random(dev);
+ dev_err(&pdev->dev, "generated random MAC address %pM\n", priv->mac);
+ }
+
+ priv->clk_ppe = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(priv->clk_ppe))
@ -828,7 +834,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
spin_lock_init(&priv->lock);
SET_NETDEV_DEV(dev, &pdev->dev);
@@ -698,15 +936,10 @@ ltq_etop_probe(struct platform_device *p
@@ -698,15 +942,10 @@ ltq_etop_probe(struct platform_device *p
goto err_free;
}
@ -848,7 +854,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
err = register_netdev(dev);
if (err)
@@ -733,31 +966,22 @@ static void ltq_etop_remove(struct platf
@@ -733,31 +972,22 @@ static void ltq_etop_remove(struct platf
}
}