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authorThomas Gleixner <tglx@linutronix.de>2008-09-30 23:14:27 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-03-13 14:32:29 +0100
commitbedd30d986a05e32dc3eab874e4b9ed8a38058bb (patch)
tree2da3b52decc7f2c407d96664cd3be8c5659cc14c /include/linux/irqreturn.h
parentc8e2aeef0b8ac9fb8821b8b3734c031579d0b77a (diff)
downloadlinux-linaro-stable-bedd30d986a05e32dc3eab874e4b9ed8a38058bb.tar.gz
genirq: make irqreturn_t an enum
Impact: cleanup Remove the 2.4 compabiliy cruft Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/irqreturn.h')
-rw-r--r--include/linux/irqreturn.h28
1 files changed, 10 insertions, 18 deletions
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index 881883c2009d..c5584ca5b8c9 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -1,25 +1,17 @@
-/* irqreturn.h */
#ifndef _LINUX_IRQRETURN_H
#define _LINUX_IRQRETURN_H
-/*
- * For 2.4.x compatibility, 2.4.x can use
- *
- * typedef void irqreturn_t;
- * #define IRQ_NONE
- * #define IRQ_HANDLED
- * #define IRQ_RETVAL(x)
- *
- * To mix old-style and new-style irq handler returns.
- *
- * IRQ_NONE means we didn't handle it.
- * IRQ_HANDLED means that we did have a valid interrupt and handled it.
- * IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled)
+/**
+ * enum irqreturn
+ * @IRQ_NONE interrupt was not from this device
+ * @IRQ_HANDLED interrupt was handled by this device
*/
-typedef int irqreturn_t;
+enum irqreturn {
+ IRQ_NONE,
+ IRQ_HANDLED,
+};
-#define IRQ_NONE (0)
-#define IRQ_HANDLED (1)
-#define IRQ_RETVAL(x) ((x) != 0)
+typedef enum irqreturn irqreturn_t;
+#define IRQ_RETVAL(x) ((x) != IRQ_NONE)
#endif