Merge tag 'gpio-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linus...

[cascardo/linux.git] / arch / arm / kernel / setup.c

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 728007c..1522c7a 100644 (file)
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -18,6 +18,7 @@
 #include <linux/bootmem.h>
 #include <linux/seq_file.h>
 #include <linux/screen_info.h>
+#include <linux/of_platform.h>
 #include <linux/init.h>
 #include <linux/kexec.h>
 #include <linux/of_fdt.h>
@@ -659,9 +660,19 @@ struct screen_info screen_info = {
 
 static int __init customize_machine(void)
 {
-       /* customizes platform devices, or adds new ones */
+       /*
+        * customizes platform devices, or adds new ones
+        * On DT based machines, we fall back to populating the
+        * machine from the device tree, if no callback is provided,
+        * otherwise we would always need an init_machine callback.
+        */
        if (machine_desc->init_machine)
                machine_desc->init_machine();
+#ifdef CONFIG_OF
+       else
+               of_platform_populate(NULL, of_default_bus_match_table,
+                                       NULL, NULL);
+#endif
        return 0;
 }
 arch_initcall(customize_machine);