1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index d22c30d3ccfa..8c58b71c2727 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -917,6 +917,10 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
 static int __init omap_device_late_init(void)
 {
         bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle);
+
+        WARN(!of_have_populated_dt(),
+                "legacy booting deprecated, please update to boot with .dts\n");
+
         return 0;
 }
 omap_late_initcall_sync(omap_device_late_init);