Commit-ID: bedd30d986a05e32dc3eab874e4b9ed8a38058bb
Gitweb: http://git.kernel.org/tip/bedd30d986a05e32dc3eab874e4b9ed8a38058bb
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 30 Sep 2008 23:14:27 +0200
Commit: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 13 Mar 2009 14:32:29 +0100
genirq: make irqreturn_t an enum
Impact: cleanup
Remove the 2.4 compabiliy cruft
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
---
include/linux/irq.h | 4 ++--
include/linux/irqreturn.h | 28 ++++++++++------------------
2 files changed, 12 insertions(+), 20 deletions(-)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7c07a09..1977092 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -280,7 +280,7 @@ static inline int irq_balancing_disabled(unsigned int irq)
}
/* Handle irq action chains: */
-extern int handle_IRQ_event(unsigned int irq, struct irqaction *action);
+extern irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action);
/*
* Built-in IRQ handlers for various IRQ types,
@@ -325,7 +325,7 @@ static inline void generic_handle_irq(unsigned int irq)
/* Handling of unhandled and spurious interrupts: */
extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
- int action_ret);
+ irqreturn_t action_ret);
/* Resending of interrupts :*/
void check_irq_resend(struct irq_desc *desc, unsigned int irq);
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index 881883c..c5584ca 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
--
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