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m68k/mac: cleanup mac_irq_pending

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mac_irq_pending() has only one caller (mac_esp.c). Nothing tests for Baboon, PSC or OSS pending interrupts. Until that need arises, let's keep it simple and remove all the unused abstraction. Replace it with a routine to check for SCSI DRQ.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain 2011-10-24 01:11:14 +11:00 • committed by Geert Uytterhoeven
parent 56e63689fd
commit 30c0527d15
8 changed files with 11 additions and 101 deletions
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32
arch/m68k/mac/macints.c
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@ -142,7 +142,6 @@ extern void via_register_interrupts(void);
extern void via_irq_enable(int);
extern void via_irq_disable(int);
extern void via_irq_clear(int);
extern int via_irq_pending(int);
/*
* OSS hooks
@ -152,7 +151,6 @@ extern void oss_register_interrupts(void);
extern void oss_irq_enable(int);
extern void oss_irq_disable(int);
extern void oss_irq_clear(int);
extern int oss_irq_pending(int);
/*
* PSC hooks
@ -162,7 +160,6 @@ extern void psc_register_interrupts(void);
extern void psc_irq_enable(int);
extern void psc_irq_disable(int);
extern void psc_irq_clear(int);
extern int psc_irq_pending(int);
/*
* IOP hooks
@ -239,7 +236,6 @@ void __init mac_init_IRQ(void)
/*
* mac_irq_enable - enable an interrupt source
* mac_irq_disable - disable an interrupt source
* mac_irq_pending - returns the pending status of an IRQ (nonzero = pending)
*
* These routines are just dispatchers to the VIA/OSS/PSC routines.
*/
@ -314,34 +310,6 @@ void mac_irq_disable(struct irq_data *data)
}
}
int mac_irq_pending(unsigned int irq)
{
switch(IRQ_SRC(irq)) {
case 1:
return via_irq_pending(irq);
case 2:
case 7:
if (oss_present)
return oss_irq_pending(irq);
else
return via_irq_pending(irq);
case 3:
case 5:
case 6:
if (psc_present)
return psc_irq_pending(irq);
else if (oss_present)
return oss_irq_pending(irq);
break;
case 4:
if (psc_present)
return psc_irq_pending(irq);
break;
}
return 0;
}
EXPORT_SYMBOL(mac_irq_pending);
static int num_debug[8];
irqreturn_t mac_debug_handler(int irq, void *dev_id)