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Signed-off-by: Saravana Kannan --- drivers/base/core.c | 23 +++++++++++++++++++++++ drivers/of/dynamic.c | 1 + include/linux/fwnode.h | 1 + 3 files changed, 25 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index 5f4e03336e68..5ce33dbd7560 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -237,6 +237,29 @@ static void __fw_devlink_pickup_dangling_consumers(struct fwnode_handle *fwnode, __fw_devlink_pickup_dangling_consumers(child, new_sup); } + +void fw_devlink_fixup_new_fwnode(struct fwnode_handle *new_fwnode) +{ + struct fwnode_handle *parent; + + if (new_fwnode->dev && new_fwnode->dev->bus) + return; + + fwnode_for_each_parent_node(new_fwnode, parent) + if (parent->dev && parent->dev->bus) + break; + + if (!parent) + return; + + mutex_lock(&fwnode_link_lock); + __fw_devlink_pickup_dangling_consumers(new_fwnode, parent); + __fw_devlink_link_to_consumers(parent->dev); + mutex_unlock(&fwnode_link_lock); + + fwnode_handle_put(parent); +} + static DEFINE_MUTEX(device_links_lock); DEFINE_STATIC_SRCU(device_links_srcu); diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index 19a1a38554f2..a2ad79ea9a06 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -581,6 +581,7 @@ static int __of_changeset_entry_notify(struct of_changeset_entry *ce, memset(&rd, 0, sizeof(rd)); rd.dn = ce->np; ret = of_reconfig_notify(ce->action, &rd); + fw_devlink_fixup_new_fwnode(of_fwnode_handle(ce->np)); break; case OF_RECONFIG_ADD_PROPERTY: case OF_RECONFIG_REMOVE_PROPERTY: diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 0d79070c5a70..230aeccef6f3 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -220,6 +220,7 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup, u8 flags); void fwnode_links_purge(struct fwnode_handle *fwnode); void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode); +void fw_devlink_fixup_new_fwnode(struct fwnode_handle *new_fwnode); bool fw_devlink_is_strict(void); #endif