From bedd30d986a05e32dc3eab874e4b9ed8a38058bb Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 30 Sep 2008 23:14:27 +0200 Subject: genirq: make irqreturn_t an enum Impact: cleanup Remove the 2.4 compabiliy cruft Signed-off-by: Thomas Gleixner Reviewed-by: Peter Zijlstra --- include/linux/irqreturn.h | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) (limited to 'include/linux/irqreturn.h') 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 -- cgit v1.2.3-59-g8ed1b