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kernel: ssb: fallback-sprom: check deferred probe

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When NVMEM is not ready, of_get_mac_address fails. Handle this.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/22305
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit eadd81b17e)
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Rosen Penev 2026-02-28 11:59:33 -08:00 • committed by Christian Marangi
parent 4193feb489
commit 217128a117
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1 changed files with 5 additions and 1 deletions
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6
target/linux/generic/files/drivers/ssb/fallback-sprom.c
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@ -690,6 +690,7 @@ static int ssb_fbs_probe(struct platform_device *pdev)
struct ssb_fbs *priv;
unsigned long flags;
u8 mac[ETH_ALEN];
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@ -702,7 +703,10 @@ static int ssb_fbs_probe(struct platform_device *pdev)
of_property_read_u32(node, "pci-bus", &priv->pci_bus);
of_property_read_u32(node, "pci-dev", &priv->pci_dev);
of_get_mac_address(node, mac);
ret = of_get_mac_address(node, mac);
if (ret == -EPROBE_DEFER)
return ret;
if (is_valid_ether_addr(mac)) {
dev_info(dev, "mtd mac %pM\n", mac);
} else {