+
+/**
+ * efi_dp_from_name() - convert U-Boot device and file path to device path
+ *
+ * @dev: U-Boot device, e.g. 'mmc'
+ * @devnr: U-Boot device number, e.g. 1 for 'mmc:1'
+ * @path: file path relative to U-Boot device, may be NULL
+ * @device: pointer to receive device path of the device
+ * @file: pointer to receive device path for the file
+ * Return: status code
+ */
+efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
+ const char *path,
+ struct efi_device_path **device,
+ struct efi_device_path **file)
+{
+ int is_net;
+ struct blk_desc *desc = NULL;
+ disk_partition_t fs_partition;
+ int part = 0;
+ char filename[32] = { 0 }; /* dp->str is u16[32] long */
+ char *s;
+
+ if (path && !file)
+ return EFI_INVALID_PARAMETER;
+
+ is_net = !strcmp(dev, "Net");
+ if (!is_net) {
+ part = blk_get_device_part_str(dev, devnr, &desc, &fs_partition,
+ 1);
+ if (part < 0 || !desc)
+ return EFI_INVALID_PARAMETER;
+
+ if (device)
+ *device = efi_dp_from_part(desc, part);
+ } else {
+#ifdef CONFIG_NET
+ if (device)
+ *device = efi_dp_from_eth();
+#endif
+ }
+
+ if (!path)
+ return EFI_SUCCESS;
+
+ snprintf(filename, sizeof(filename), "%s", path);
+ /* DOS style file path: */
+ s = filename;
+ while ((s = strchr(s, '/')))
+ *s++ = '\\';
+ *file = efi_dp_from_file(is_net ? NULL : desc, part, filename);
+
+ if (!*file)
+ return EFI_INVALID_PARAMETER;
+
+ return EFI_SUCCESS;
+}