[PATCH v1 3/6] arm64: Introduce dummy version of asm/fiq.h

Daniel Thompson daniel.thompson at linaro.org
Thu Sep 4 09:03:37 PDT 2014


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 at linaro.org>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will.deacon at arm.com>
---
 arch/arm64/include/asm/fiq.h | 18 ++++++++++++++++++
 1 file changed, 18 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..909ec54
--- /dev/null
+++ b/arch/arm64/include/asm/fiq.h
@@ -0,0 +1,18 @@
+/*
+ * arch/arm64/include/asm/fiq.h
+ *
+ * Placeholder to reduce #ifdef'ing in shared arm/arm64 drivers.
+ */
+
+#ifndef __ASM_FIQ_H
+#define __ASM_FIQ_H
+
+/*
+ * This placeholder allows code of the following form to be simplified:
+ *
+ * #ifdef CONFIG_FIQ
+ * #include <asm/fiq.h>
+ * #endif
+ */
+
+#endif
-- 
1.9.3




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