- plat->size = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
- "sandbox,size", 32);
- plat->filename = fdt_getprop(gd->fdt_blob, dev->of_offset,
- "sandbox,filename", NULL);
+ plat->size = dev_read_u32_default(dev, "sandbox,size", 32);
+ plat->filename = dev_read_string(dev, "sandbox,filename");