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UPSTREAM: of: property: Don't add links to absent suppliers

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If driver core marks a firmware node as not a device, don't add fwnode
links where it's a supplier.

Fixes: e590474768 ("driver core: Set fw_devlink=on by default")
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210205222644.2357303-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 1753c4d1ed)
Bug: 181264536
Change-Id: If21e546975a4fe6d43c3d2550402347c189cb55a
This commit is contained in:
Saravana Kannan 2021-02-05 14:26:38 -08:00
parent fe5ff1ae21
commit 6f52309761
1 changed files with 3 additions and 1 deletions
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4
drivers/of/property.c
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@ -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);