linux-kernel - [PATCH] arm-cci: add cci_enable_port_for

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Date:   Mon, 12 Sep 2016 18:33:01 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     will.deacon@....com, suzuki.poulose@....com, olof@...om.net,
        mark.rutland@....com, bigeasy@...utronix.de, a.hajda@...sung.com
Cc:     linux-kernel@...r.kernel.org, arnd@...db.de, baoyou.xie@...aro.org,
        xie.baoyou@....com.cn
Subject: [PATCH] arm-cci: add cci_enable_port_for_self() declaration in arm-cci.h

We get 1 warning when building kernel with W=1:
drivers/bus/arm-cci.c:2027:25: warning: no previous prototype for 'cci_enable_port_for_self' [-Wmissing-prototypes]

In fact, this function is used in a few files,
but should be declared in a header file.

So this patch adds the declaration in arm-cci.h.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 include/linux/arm-cci.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/arm-cci.h b/include/linux/arm-cci.h
index 521ec1f..b88f6fb 100644
--- a/include/linux/arm-cci.h
+++ b/include/linux/arm-cci.h
@@ -30,8 +30,10 @@ struct device_node;
 
 #ifdef CONFIG_ARM_CCI
 extern bool cci_probed(void);
+extern asmlinkage void __naked cci_enable_port_for_self(void);
 #else
 static inline bool cci_probed(void) { return false; }
+static inline void ci_enable_port_for_self(void) { return; }
 #endif
 
 #ifdef CONFIG_ARM_CCI400_PORT_CTRL
-- 
2.7.4