908dcecda1
Correct the return type of handle_IRQ_event() (inconsistency noticed during Xen development), and remove redundant declarations. The return type adjustment required breaking out the definition of irqreturn_t into a separate header, in order to satisfy current include order dependencies. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Hirokazu Takata <takata.hirokazu@renesas.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
26 lines
586 B
C
26 lines
586 B
C
/* 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
|