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authorFelix Blyakher <felixb@sgi.com>2009-03-30 22:08:33 -0500
committerFelix Blyakher <felixb@sgi.com>2009-03-30 22:08:33 -0500
commit930861c4e6f13ce2e7d06cd1ef11441a065517d9 (patch)
treedf6ff01f89768ff8d6fe6a64491be30e6e56c3e0 /include/linux/irqreturn.h
parent8b112171734c791afaf43ccc8c6ec492e7006e44 (diff)
parent15f7176eb1cccec0a332541285ee752b935c1c85 (diff)
downloadlwn-930861c4e6f13ce2e7d06cd1ef11441a065517d9.tar.gz
lwn-930861c4e6f13ce2e7d06cd1ef11441a065517d9.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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