mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-15 14:36:52 +01:00
Jan Beulich
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 <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Russell King <[email protected]> Cc: Ian Molton <[email protected]> Cc: Mikael Starvik <[email protected]> Cc: Yoshinori Sato <[email protected]> Cc: Hirokazu Takata <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: William Lee Irwin III <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Miles Bader <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* include/asm-v850/irq.h -- Machine interrupt handling
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*
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* Copyright (C) 2001,02,04 NEC Electronics Corporation
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* Copyright (C) 2001,02,04 Miles Bader <[email protected]>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file COPYING in the main directory of this
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* archive for more details.
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*
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* Written by Miles Bader <[email protected]>
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*/
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#ifndef __V850_IRQ_H__
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#define __V850_IRQ_H__
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#include <asm/machdep.h>
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/* Default NUM_MACH_IRQS. */
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#ifndef NUM_MACH_IRQS
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#define NUM_MACH_IRQS NUM_CPU_IRQS
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#endif
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/* NMIs have IRQ numbers from FIRST_NMI to FIRST_NMI+NUM_NMIS-1. */
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#define FIRST_NMI NUM_MACH_IRQS
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#define IRQ_NMI(n) (FIRST_NMI + (n))
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/* v850 processors have 3 non-maskable interrupts. */
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#define NUM_NMIS 3
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/* Includes both maskable and non-maskable irqs. */
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#define NR_IRQS (NUM_MACH_IRQS + NUM_NMIS)
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#ifndef __ASSEMBLY__
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struct pt_regs;
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struct hw_interrupt_type;
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struct irqaction;
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#define irq_canonicalize(irq) (irq)
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/* Initialize irq handling for IRQs.
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BASE_IRQ, BASE_IRQ+INTERVAL, ..., BASE_IRQ+NUM*INTERVAL
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to IRQ_TYPE. An IRQ_TYPE of 0 means to use a generic interrupt type. */
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extern void
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init_irq_handlers (int base_irq, int num, int interval,
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struct hw_interrupt_type *irq_type);
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typedef void (*irq_handler_t)(int irq, void *data, struct pt_regs *regs);
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/* Handle interrupt IRQ. REGS are the registers at the time of ther
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interrupt. */
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extern unsigned int handle_irq (int irq, struct pt_regs *regs);
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/* Enable interrupt handling on an irq. */
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extern void enable_irq(unsigned int irq);
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/* Disable an irq and wait for completion. */
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extern void disable_irq (unsigned int irq);
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/* Disable an irq without waiting. */
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extern void disable_irq_nosync (unsigned int irq);
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#endif /* !__ASSEMBLY__ */
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#endif /* __V850_IRQ_H__ */
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