fdtbus

grub-core/bus/fdt.c

@@ -96,10 +96,7 @@ grub_fdtbus_register (struct grub_fdtbus_driver *driver)
     if (!dev->driver && is_compatible (driver, dev->node))
       {
 	if (driver->attach(dev) == GRUB_ERR_NONE)
-	  {
+	  dev->driver = driver;
-	    dev->driver = driver;
-	    break;
-	  }
 	grub_print_error ();
       }
 }
@@ -236,3 +233,17 @@ grub_fdtbus_map_reg (const struct grub_fdtbus_dev *dev, int regno, grub_size_t *
     *size = 0;
   return translate (dev->parent, reg + (address_cells + size_cells) * regno);
 }
+
+const char *
+grub_fdtbus_get_name (const struct grub_fdtbus_dev *dev)
+{
+  return grub_fdt_get_nodename (dtb, dev->node);
+}
+
+const void *
+grub_fdtbus_get_prop (const struct grub_fdtbus_dev *dev,
+		      const char *name,
+		      grub_uint32_t *len)
+{
+  return grub_fdt_get_prop (dtb, dev->node, name, len);
+}

include/grub/fdtbus.h

@@ -46,6 +46,14 @@ grub_fdtbus_is_mapping_valid (volatile void *m)
 volatile void *
 grub_fdtbus_map_reg (const struct grub_fdtbus_dev *dev, int reg, grub_size_t *size);
 
+const char *
+grub_fdtbus_get_name (const struct grub_fdtbus_dev *dev);
+
+const void *
+grub_fdtbus_get_prop (const struct grub_fdtbus_dev *dev,
+		      const char *name,
+		      grub_uint32_t *len);
+
 void
 grub_fdtbus_register (struct grub_fdtbus_driver *driver);