1 files changed, 18 insertions, 0 deletions

diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 5d39bb85bf35..452d4350ce42 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -16,6 +16,7 @@
 #include <linux/debugfs.h>
 #include <linux/of.h>
 #include <linux/of_fdt.h>
+#include <linux/of_platform.h>
 
 #include <asm/page.h>
 #include <asm/prom.h>
@@ -54,4 +55,21 @@ void __init __dt_setup_arch(void *bph)
 
         mips_set_machine_name(of_flat_dt_get_machine_name());
 }
+
+int __init __dt_register_buses(const char *bus0, const char *bus1)
+{
+        static struct of_device_id of_ids[3];
+
+        if (!of_have_populated_dt())
+                panic("device tree not present");
+
+        strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible));
+        strlcpy(of_ids[1].compatible, bus1, sizeof(of_ids[1].compatible));
+
+        if (of_platform_populate(NULL, of_ids, NULL, NULL))
+                panic("failed to populate DT");
+
+        return 0;
+}
+
 #endif