linux-kernel - [PATCH 8/9] of/sparc: Remove sparc-local declaration of allnodes and devtree

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Date:	Sat, 13 Feb 2010 09:03:09 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	monstr@...str.eu, sfr@...b.auug.org.au, benh@...nel.crashing.org,
	jeremy.kerr@...onical.com, davem@...emloft.net,
	microblaze-uclinux@...e.uq.edu.au, linuxppc-dev@...abs.org,
	sparclinux@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 8/9] of/sparc: Remove sparc-local declaration of allnodes and
	devtree_lock

Both allnodes and devtree_lock are defined in common code.  The
extern declaration should be in the common header too so that the
compiler can type check.  allnodes is already in of.h, but
devtree_lock should be declared there too.

This patch removes the SPARC declarations and uses decls in of.h instead.

Signed-off-by: Grant Likely <grant.likely@...retlab.ca>
---

 arch/sparc/kernel/prom.h |    3 ---
 include/linux/of.h       |    2 ++
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index 453397f..a8591ef 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,9 +4,6 @@
 #include <linux/spinlock.h>
 #include <asm/prom.h>
 
-extern struct device_node *allnodes;	/* temporary while merging */
-extern rwlock_t devtree_lock;	/* temporary while merging */
-
 extern void * prom_early_alloc(unsigned long size);
 extern void irq_trans_init(struct device_node *dp);
 
diff --git a/include/linux/of.h b/include/linux/of.h
index d34cc5d..f6d9cbc 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -19,6 +19,7 @@
 #include <linux/bitops.h>
 #include <linux/kref.h>
 #include <linux/mod_devicetable.h>
+#include <linux/spinlock.h>
 
 #include <asm/byteorder.h>
 
@@ -67,6 +68,7 @@ struct device_node {
 /* Pointer for first entry in chain of all nodes. */
 extern struct device_node *allnodes;
 extern struct device_node *of_chosen;
+extern rwlock_t devtree_lock;
 
 static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
 {

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