[PATCH v4 2/8] of: property: Don't add links to absent suppliers
From: Saravana Kannan <hidden>
Date: 2021-02-06 03:54:14
Also in:
linux-acpi, linux-clk, linux-devicetree, linux-doc, lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
If driver core marks a firmware node as not a device, don't add fwnode
links where it's a supplier.
Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
Signed-off-by: Saravana Kannan <redacted>
---
drivers/of/property.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 6287c6d60bb7..53d163c8d39b 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c@@ -1103,7 +1103,9 @@ static int of_link_to_phandle(struct device_node *con_np, * created for them. */ sup_dev = get_dev_from_fwnode(&sup_np->fwnode); - if (!sup_dev && of_node_check_flag(sup_np, OF_POPULATED)) { + if (!sup_dev && + (of_node_check_flag(sup_np, OF_POPULATED) || + sup_np->fwnode.flags & FWNODE_FLAG_NOT_DEVICE)) { pr_debug("Not linking %pOFP to %pOFP - No struct device\n", con_np, sup_np); of_node_put(sup_np);
--
2.30.0.478.g8a0d178c01-goog