linux-kernel - [PATCH v2 1/2] OF: move extern declarations of of

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Message-Id: <20170828165807.8408-2-Eugeniy.Paltsev@synopsys.com>
Date:   Mon, 28 Aug 2017 19:58:06 +0300
From:   Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
To:     Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Subject: [PATCH v2 1/2] OF: move extern declarations of of_stdout inside ifdef

Move extern declarations of "of_stdout" pointer inside "CONFIG_OF"
ifdef to be able to get rid of "CONFIG_OF" ifdef in its usage places.

Acked-by: Rob Herring <robh@...nel.org>
Suggested-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
---
 include/linux/of.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index cfc3411..be28cb9 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -135,7 +135,6 @@ static inline void of_node_put(struct device_node *node) { }
 extern struct device_node *of_root;
 extern struct device_node *of_chosen;
 extern struct device_node *of_aliases;
-extern struct device_node *of_stdout;
 extern raw_spinlock_t devtree_lock;
 
 /* flag descriptions (need to be visible even when !CONFIG_OF) */
@@ -147,6 +146,8 @@ extern raw_spinlock_t devtree_lock;
 #define OF_BAD_ADDR	((u64)-1)
 
 #ifdef CONFIG_OF
+extern struct device_node *of_stdout;
+
 void of_core_init(void);
 
 static inline bool is_of_node(const struct fwnode_handle *fwnode)
@@ -539,6 +540,7 @@ const char *of_prop_next_string(struct property *prop, const char *cur);
 bool of_console_check(struct device_node *dn, char *name, int index);
 
 #else /* CONFIG_OF */
+#define of_stdout	NULL
 
 static inline void of_core_init(void)
 {
-- 
2.9.3