32231a66b4
Move stuff used only by arch/sparc/kernel/* into arch/sparc/kernel/irq.h and into individual files in there (e.g. macros internal to sun4m_irq.c, etc.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* $Id: irq.h,v 1.32 2000/08/26 02:42:28 anton Exp $
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* irq.h: IRQ registers on the Sparc.
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef _SPARC_IRQ_H
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#define _SPARC_IRQ_H
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#include <linux/linkage.h>
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#include <linux/threads.h> /* For NR_CPUS */
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#include <linux/interrupt.h>
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#include <asm/system.h> /* For SUN4M_NCPUS */
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#include <asm/btfixup.h>
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#define NR_IRQS 16
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#define irq_canonicalize(irq) (irq)
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/* Dave Redman (djhr@tadpole.co.uk)
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* changed these to function pointers.. it saves cycles and will allow
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* the irq dependencies to be split into different files at a later date
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* sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
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* Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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* Changed these to btfixup entities... It saves cycles :)
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*/
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BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
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BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
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static inline void disable_irq_nosync(unsigned int irq)
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{
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BTFIXUP_CALL(disable_irq)(irq);
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}
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static inline void disable_irq(unsigned int irq)
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{
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BTFIXUP_CALL(disable_irq)(irq);
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}
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static inline void enable_irq(unsigned int irq)
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{
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BTFIXUP_CALL(enable_irq)(irq);
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}
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extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);
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#endif
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