linux-kernel - [PATCH] arm: Fix linux-next compile error in arch/arm/common/gic.c

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Date:	Mon, 2 Jan 2012 17:33:10 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Russell King <linux@....linux.org.uk>
CC:	Joerg Roedel <joerg.roedel@....com>,
	Marc Zyngier <marc.zyngier@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Rob Herring <rob.herring@...xeda.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] arm: Fix linux-next compile error in arch/arm/common/gic.c

With CONFIG_SMP=n the following compile error occurs:

  CC      arch/arm/common/gic.o
arch/arm/common/gic.c: In function 'gic_init_bases':
arch/arm/common/gic.c:679:4: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

This patch fixes the problem.

Cc: Marc Zyngier <marc.zyngier@....com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Santosh Shilimkar <santosh.shilimkar@...com>
Cc: Rob Herring <rob.herring@...xeda.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/arm/common/gic.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index b2dc2dd..b33f6b0 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -676,7 +676,10 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
 		}
 
 		for_each_possible_cpu(cpu) {
-			unsigned long offset = percpu_offset * cpu_logical_map(cpu);
+			unsigned long offset = percpu_offset;
+#ifdef CONFIG_SMP
+			offset *= cpu_logical_map(cpu);
+#endif
 			*per_cpu_ptr(gic->dist_base.percpu_base, cpu) = dist_base + offset;
 			*per_cpu_ptr(gic->cpu_base.percpu_base, cpu) = cpu_base + offset;
 		}
-- 
1.7.5.4


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