Generate a Usb() node for USB mass storage devices.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- common/usb_storage.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/common/usb_storage.c b/common/usb_storage.c index ac64275773..03bc136156 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -37,6 +37,7 @@ #include <bootdev.h> #include <command.h> #include <dm.h> +#include <efi_loader.h> #include <errno.h> #include <log.h> #include <mapmem.h> @@ -1534,6 +1535,35 @@ static int usb_mass_storage_probe(struct udevice *dev) return ret; }
+#if CONFIG_IS_ENABLED(EFI_LOADER) +struct efi_device_path *usb_storage_get_dp_node(struct udevice *dev) +{ + struct efi_device_path_usb *dp; + + dp = efi_alloc(sizeof(struct efi_device_path_usb)); + if (!dp) + return NULL; + + switch (device_get_uclass_id(dev->parent)) { + case UCLASS_USB_HUB: { + struct usb_device *udev = dev_get_parent_priv(dev); + + dp->parent_port_number = udev->portnr; + break; + } + default: + dp->parent_port_number = 0; + } + + dp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE; + dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_USB; + dp->dp.length = sizeof(*dp); + dp->usb_interface = 0; + + return &dp->dp; +} +#endif + static const struct udevice_id usb_mass_storage_ids[] = { { .compatible = "usb-mass-storage" }, { } @@ -1552,6 +1582,9 @@ U_BOOT_DRIVER(usb_mass_storage) = { UCLASS_DRIVER(usb_mass_storage) = { .id = UCLASS_MASS_STORAGE, .name = "usb_mass_storage", +#if CONFIG_IS_ENABLED(EFI_LOADER) + .get_dp_node = usb_storage_get_dp_node, +#endif };
static const struct usb_device_id mass_storage_id_table[] = {