linux-kernel - [PATCH V2 01/20] ARM: asm/pl080.h: Protect against multiple inclusion of header file

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Message-ID: <e94c542b682c425d2153c252c6a2a2e55f39c6e9.1312190881.git.viresh.kumar@st.com>
Date:	Mon, 1 Aug 2011 15:07:11 +0530
From:	Viresh Kumar <viresh.kumar@...com>
To:	<linus.walleij@...aro.org>
Cc:	<vinod.koul@...el.com>, <dan.j.williams@...el.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux@....linux.org.uk>,
	<armando.visconti@...com>, <shiraz.hashim@...com>,
	<vipin.kumar@...com>, <rajeev-dlh.kumar@...com>,
	<deepak.sikri@...com>, <vipulkumar.samar@...com>,
	<amit.virdi@...com>, <viresh.kumar@...com>,
	<pratyush.anand@...com>, <bhupesh.sharma@...com>,
	<viresh.linux@...il.com>
Subject: [PATCH V2 01/20] ARM: asm/pl080.h: Protect against multiple inclusion of header file

<asm/hardware/pl080.h> doesn't have protection to deal with multiple inclusion.
And so we get compilation errors in cases where this file is included more than
once. This patch adds #ifdefs at the top of file to protect it against multiple
inclusions.

Signed-off-by: Viresh Kumar <viresh.kumar@...com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---
 arch/arm/include/asm/hardware/pl080.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/hardware/pl080.h b/arch/arm/include/asm/hardware/pl080.h
index f35b86e..fc68cc9 100644
--- a/arch/arm/include/asm/hardware/pl080.h
+++ b/arch/arm/include/asm/hardware/pl080.h
@@ -21,6 +21,9 @@
  * OneNAND features.
 */
 
+#ifndef ASM_PL080_H
+#define ASM_PL080_H
+
 #define PL080_INT_STATUS			(0x00)
 #define PL080_TC_STATUS				(0x04)
 #define PL080_TC_CLEAR				(0x08)
@@ -138,3 +141,4 @@ struct pl080s_lli {
 	u32	control1;
 };
 
+#endif /* ASM_PL080_H */
-- 
1.7.2.2

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