[PATCH v2 15/17] efi: Update implementation of add_links() to create fwnode links
From: Saravana Kannan <hidden>
Date: 2020-11-21 02:03:57
Also in:
linux-acpi, linux-efi, lkml
Subsystem:
extensible firmware interface (efi), the rest · Maintainers:
Ard Biesheuvel, Linus Torvalds
The semantics of add_links() has changed from creating device link between devices to creating fwnode links between fwnodes. So, update the implementation of add_links() to match the new semantics. Signed-off-by: Saravana Kannan <redacted> --- drivers/firmware/efi/efi-init.c | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-)
diff --git a/drivers/firmware/efi/efi-init.c b/drivers/firmware/efi/efi-init.c
index 65bb97c391b0..c0c3d4c3837a 100644
--- a/drivers/firmware/efi/efi-init.c
+++ b/drivers/firmware/efi/efi-init.c@@ -320,7 +320,6 @@ static int efifb_add_links(struct fwnode_handle *fwnode, struct device *dev) { struct device_node *sup_np; - struct device *sup_dev; sup_np = find_pci_overlap_node();
@@ -331,27 +330,9 @@ static int efifb_add_links(struct fwnode_handle *fwnode, if (!sup_np) return 0; - sup_dev = get_dev_from_fwnode(&sup_np->fwnode); + fwnode_link_add(fwnode, of_fwnode_handle(sup_np)); of_node_put(sup_np); - /* - * Return -ENODEV if the PCI graphics controller device hasn't been - * registered yet. This ensures that efifb isn't allowed to probe - * and this function is retried again when new devices are - * registered. - */ - if (!sup_dev) - return -ENODEV; - - /* - * If this fails, retrying this function at a later point won't - * change anything. So, don't return an error after this. - */ - if (!device_link_add(dev, sup_dev, fw_devlink_get_flags())) - dev_warn(dev, "device_link_add() failed\n"); - - put_device(sup_dev); - return 0; }
--
2.29.2.454.gaff20da3a2-goog