diff options
Diffstat (limited to 'drivers/of/platform.c')
| -rw-r--r-- | drivers/of/platform.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index f416c008cec2..9bafcff3e628 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -726,11 +726,14 @@ static int of_platform_notify(struct notifier_block *nb, struct of_reconfig_data *rd = arg; struct platform_device *pdev_parent, *pdev; bool children_left; + struct device_node *parent; switch (of_reconfig_get_state_change(action, rd)) { case OF_RECONFIG_CHANGE_ADD: - /* verify that the parent is a bus */ - if (!of_node_check_flag(rd->dn->parent, OF_POPULATED_BUS)) + parent = rd->dn->parent; + /* verify that the parent is a bus (or the root node) */ + if (!of_node_is_root(parent) && + !of_node_check_flag(parent, OF_POPULATED_BUS)) return NOTIFY_OK; /* not for us */ /* already populated? (driver using of_populate manually) */ @@ -743,7 +746,7 @@ static int of_platform_notify(struct notifier_block *nb, */ rd->dn->fwnode.flags &= ~FWNODE_FLAG_NOT_DEVICE; /* pdev_parent may be NULL when no bus platform device */ - pdev_parent = of_find_device_by_node(rd->dn->parent); + pdev_parent = of_find_device_by_node(parent); pdev = of_platform_device_create(rd->dn, NULL, pdev_parent ? &pdev_parent->dev : NULL); platform_device_put(pdev_parent); |