[POWERPC] Compile fixes for arch/powerpc dcr code

The new dcr code does not currently compile when configured for native
DCR access on ARCH=powerpc.  This patch fixes the problems.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 95776b6..ecee596 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -44,6 +44,7 @@
 #include <asm/btext.h>
 #include <asm/div64.h>
 #include <asm/signal.h>
+#include <asm/dcr.h>
 
 #ifdef  CONFIG_8xx
 #include <asm/commproc.h>
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index c8b65ca..1f49503 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -43,6 +43,7 @@
 #include <asm/div64.h>
 #include <asm/xmon.h>
 #include <asm/signal.h>
+#include <asm/dcr.h>
 
 #ifdef  CONFIG_8xx
 #include <asm/commproc.h>
diff --git a/include/asm-powerpc/dcr.h b/include/asm-powerpc/dcr.h
index b66c5e6..9338d50 100644
--- a/include/asm-powerpc/dcr.h
+++ b/include/asm-powerpc/dcr.h
@@ -33,6 +33,7 @@
  * base from the device-tree
  */
 #ifdef CONFIG_PPC_MERGE
+struct device_node;
 extern unsigned int dcr_resource_start(struct device_node *np,
 				       unsigned int index);
 extern unsigned int dcr_resource_len(struct device_node *np,
diff --git a/include/asm-ppc/ibm4xx.h b/include/asm-ppc/ibm4xx.h
index 499c146..7a64ede 100644
--- a/include/asm-ppc/ibm4xx.h
+++ b/include/asm-ppc/ibm4xx.h
@@ -15,6 +15,7 @@
 #define __ASM_IBM4XX_H__
 
 #include <asm/types.h>
+#include <asm/dcr.h>
 
 #ifdef CONFIG_40x
 
diff --git a/include/asm-ppc/reg_booke.h b/include/asm-ppc/reg_booke.h
index a263fc1e..82948ed 100644
--- a/include/asm-ppc/reg_booke.h
+++ b/include/asm-ppc/reg_booke.h
@@ -9,8 +9,6 @@
 #ifndef __ASM_PPC_REG_BOOKE_H__
 #define __ASM_PPC_REG_BOOKE_H__
 
-#include <asm/dcr.h>
-
 #ifndef __ASSEMBLY__
 /* Performance Monitor Registers */
 #define mfpmr(rn)	({unsigned int rval; \