1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index f1ecfa9fc61d..1bbcbde76400 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -23,11 +23,16 @@
 #define BETWEEN(p,st,sz)        ((p) >= (st) && (p) < ((st) + (sz)))
 #define XLATE(p,pst,vst)        ((void __iomem *)((p) - (pst) + (vst)))
 
+static int initialized;
+
 /*
  * Intercept ioremap() requests for addresses in our fixed mapping regions.
  */
 void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
 {
+
+        WARN(!initialized, "Do not use ioremap before init_early\n");
+
 #ifdef CONFIG_ARCH_OMAP1
         if (cpu_class_is_omap1()) {
                 if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
@@ -139,3 +144,8 @@ void omap_iounmap(volatile void __iomem *addr)
                 __iounmap(addr);
 }
 EXPORT_SYMBOL(omap_iounmap);
+
+void __init omap_ioremap_init(void)
+{
+        initialized++;
+}