[POWERPC] cpm2: Infrastructure code cleanup.

Mostly sparse fixes (__iomem annotations, etc); also, cpm2_immr
is used rather than creating many temporary mappings.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-powerpc/cpm2.h b/include/asm-powerpc/cpm2.h
index 12a2860..c036506 100644
--- a/include/asm-powerpc/cpm2.h
+++ b/include/asm-powerpc/cpm2.h
@@ -107,7 +107,7 @@
 /* Export the base address of the communication processor registers
  * and dual port ram.
  */
-extern		cpm_cpm2_t	*cpmp;	 /* Pointer to comm processor */
+extern cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor */
 
 extern unsigned long cpm_dpalloc(uint size, uint align);
 extern int cpm_dpfree(unsigned long offset);