linux-kernel - [PATCH 3.17-rc4 v5 3/6] arm64: Introduce dummy version of asm/fiq.h

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Date:	Thu, 11 Sep 2014 12:31:15 +0100
From:	Daniel Thompson <daniel.thompson@...aro.org>
To:	Russell King <linux@....linux.org.uk>
Cc:	Daniel Thompson <daniel.thompson@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	patches@...aro.org, linaro-kernel@...ts.linaro.org,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>
Subject: [PATCH 3.17-rc4 v5 3/6] arm64: Introduce dummy version of asm/fiq.h

Drivers that are shared between arm and arm64 and which employ
FIQ on arm cannot include asm/fiq.h without #ifdef'ing. This patch
introduces a dummy version of asm/fiq.h to arm64 to avoid this.

Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will.deacon@....com>
---
 arch/arm64/include/asm/fiq.h | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 arch/arm64/include/asm/fiq.h

diff --git a/arch/arm64/include/asm/fiq.h b/arch/arm64/include/asm/fiq.h
new file mode 100644
index 0000000..d3776b8
--- /dev/null
+++ b/arch/arm64/include/asm/fiq.h
@@ -0,0 +1,8 @@
+/*
+ * Placeholder to reduce #ifdef'ing in shared arm/arm64 drivers. It
+ * allows code of the following form to be made unconditional.
+ *
+ * #ifdef CONFIG_FIQ
+ * #include <asm/fiq.h>
+ * #endif
+ */
-- 
1.9.3

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