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authorSaravana Kannan <saravanak@google.com>2021-02-05 23:26:38 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-09 14:31:06 +0100
commit1753c4d1edbcf1b35e585ff76777d09434344c8f (patch)
tree53ab8329dcfb16dc70d4f8a24185330763308ae9 /drivers/of
parentdriver core: fw_devlink: Detect supplier devices that will never be added (diff)
downloadlinux-1753c4d1edbcf1b35e585ff76777d09434344c8f.tar.xz
linux-1753c4d1edbcf1b35e585ff76777d09434344c8f.zip
of: property: Don't add links to absent suppliers
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") 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>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/property.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 8b52160adcc3..94f3f6cc7667 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);