linux-kernel - [PATCH 1/4] x86: add NO

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Date:	Thu, 1 Mar 2012 14:28:36 +0100
From:	Alessandro Rubini <rubini@...dd.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org,
	Giancarlo Asnaghi <giancarlo.asnaghi@...com>,
	Alan Cox <alan@...ux.intel.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Subject: [PATCH 1/4] x86: add NO_IRQ macro

This is needed to compile AMBA drivers. Most architectures define
NO_IRQ as -1, and this does the same for the PC.

Signed-off-by: Alessandro Rubini <rubini@...dd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@...com>
Cc: Russell King <linux@....linux.org.uk>
Cc: Alan Cox <alan@...ux.intel.com>
---
 arch/x86/include/asm/irq.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index ba870bb..c9072f5 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -10,6 +10,8 @@
 #include <asm/apicdef.h>
 #include <asm/irq_vectors.h>
 
+#define NO_IRQ	(-1)
+
 static inline int irq_canonicalize(int irq)
 {
 	return ((irq == 2) ? 9 : irq);
-- 
1.7.7.2
--
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