---

yaml
---
r: 272923
b: refs/heads/master
c: 8aca3ab
h: refs/heads/master
i:
  272921: 06c6c87
  272919: 9a410c7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4c3cf90117f1f4906d5975aeccc5ffd414807fd2
+refs/heads/master: 8aca3ab5865f8cfbde841b6daf9442cc2279ced3

trunk/arch/arm/mach-omap1/io.c

@@ -121,6 +121,7 @@ void __init omap16xx_map_io(void)
 void omap1_init_early(void)
 {
 	omap_check_revision();
+	omap_ioremap_init();
 
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".

trunk/arch/arm/mach-omap2/io.c

@@ -323,6 +323,7 @@ void __iomem *omap_irq_base;
 static void __init omap_common_init_early(void)
 {
 	omap2_check_revision();
+	omap_ioremap_init();
 }
 
 static void __init omap_hwmod_init_postsetup(void)

trunk/arch/arm/plat-omap/include/plat/io.h

@@ -247,6 +247,8 @@
  * NOTE: Please use ioremap + __raw_read/write where possible instead of these
  */
 
+void omap_ioremap_init(void);
+
 extern u8 omap_readb(u32 pa);
 extern u16 omap_readw(u32 pa);
 extern u32 omap_readl(u32 pa);

trunk/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++;
+}