of: move definition of of_chosen into common code.

Rather than defining of_chosen in each arch, it can be defined for all
in driver/of/base.c

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Michal Simek <monstr@monstr.eu>

6 files changed, 2 insertions, 10 deletions

diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 8b1ebd39971a..aa1a437ac87d 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -26,8 +26,6 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 
-extern struct device_node *of_chosen;
-
 #define HAVE_ARCH_DEVTREE_FIXUPS
 
 /* Other Prototypes */
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index a7dcaf092200..a15ef6d67ca9 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -42,9 +42,6 @@
 #include <asm/sections.h>
 #include <asm/pci-bridge.h>
 
-/* export that to outside world */
-struct device_node *of_chosen;
-
 void __init early_init_dt_scan_chosen_arch(unsigned long node)
 {
         /* No Microblaze specific code here */
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 4a5070edb4d3..7f9a50aab157 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -23,8 +23,6 @@
 #include <asm/irq.h>
 #include <asm/atomic.h>
 
-extern struct device_node *of_chosen;
-
 #define HAVE_ARCH_DEVTREE_FIXUPS
 
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4869c937b6cf..43238b2054b6 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -67,9 +67,6 @@ int __initdata iommu_force_on;
 unsigned long tce_alloc_start, tce_alloc_end;
 #endif
 
-/* export that to outside world */
-struct device_node *of_chosen;
-
 static int __init early_parse_mem(char *p)
 {
         if (!p)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 873479a21c80..cb96888d1427 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -23,6 +23,7 @@
 #include <linux/proc_fs.h>
 
 struct device_node *allnodes;
+struct device_node *of_chosen;
 
 /* use when traversing tree through the allnext, child, sibling,
  * or parent members of struct device_node.
diff --git a/include/linux/of.h b/include/linux/of.h
index 5cd284002bf1..d34cc5d9d81e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -66,6 +66,7 @@ struct device_node {
 
 /* Pointer for first entry in chain of all nodes. */
 extern struct device_node *allnodes;
+extern struct device_node *of_chosen;
 
 static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
 {