summaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/interrupt.h21
-rw-r--r--include/linux/irq.h3
-rw-r--r--include/linux/irqreturn.h25
3 files changed, 28 insertions, 21 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 9e0fefd..70741e1 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -7,32 +7,13 @@
#include <linux/bitops.h>
#include <linux/preempt.h>
#include <linux/cpumask.h>
+#include <linux/irqreturn.h>
#include <linux/hardirq.h>
#include <linux/sched.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.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)
- */
-typedef int irqreturn_t;
-
-#define IRQ_NONE (0)
-#define IRQ_HANDLED (1)
-#define IRQ_RETVAL(x) ((x) != 0)
-
struct irqaction {
irqreturn_t (*handler)(int, void *, struct pt_regs *);
unsigned long flags;
diff --git a/include/linux/irq.h b/include/linux/irq.h
index e8a07e7..676e00d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -17,6 +17,7 @@
#include <linux/cache.h>
#include <linux/spinlock.h>
#include <linux/cpumask.h>
+#include <linux/irqreturn.h>
#include <asm/irq.h>
#include <asm/ptrace.h>
@@ -175,7 +176,7 @@ static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask)
extern int no_irq_affinity;
extern int noirqdebug_setup(char *str);
-extern fastcall int handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
+extern fastcall irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
struct irqaction *action);
extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs);
extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
new file mode 100644
index 0000000..881883c
--- /dev/null
+++ b/include/linux/irqreturn.h
@@ -0,0 +1,25 @@
+/* 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)
+ */
+typedef int irqreturn_t;
+
+#define IRQ_NONE (0)
+#define IRQ_HANDLED (1)
+#define IRQ_RETVAL(x) ((x) != 0)
+
+#endif
OpenPOWER on IntegriCloud