| Message ID | 20190712235245.202558-7-saravanak@google.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | Solve postboot supplier cleanup and optimize probe ordering | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success |
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 56b718f09929..dba962a0ee50 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -486,6 +486,7 @@ int of_platform_populate(struct device_node *root, pr_debug("%s()\n", __func__); pr_debug(" starting at: %pOF\n", root); + device_links_supplier_sync_state_pause(); for_each_child_of_node(root, child) { rc = of_platform_bus_create(child, matches, lookup, parent, true); if (rc) { @@ -493,6 +494,8 @@ int of_platform_populate(struct device_node *root, break; } } + device_links_supplier_sync_state_resume(); + of_node_set_flag(root, OF_POPULATED_BUS); of_node_put(root);
When multiple child devices are populated using of_platform_populate() after kernel init, there could be supplier-consumer dependencies between the child devices. Wait for all the devices to be added and linked before calling sync_state() on all the suppliers. Signed-off-by: Saravana Kannan <saravanak@google.com> --- drivers/of/platform.c | 3 +++ 1 file changed, 3 insertions(+)