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[PATCH] pcmcia: allow shared IRQs on pd6729 sockets 

Use IRQF_PROBE_SHARED flag for request_irq() to find an unused
interrupt for PCMCIA cards.

Signed-off-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
hifive-unleashed-5.1
Komuro 2006-11-04 10:00:47 +09:00 committed by Dominik Brodowski
parent 4ae1cbf17d
commit 3e022d0c77
1 changed files with 4 additions and 4 deletions
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8
drivers/pcmcia/pd6729.c
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@ -581,10 +581,10 @@ static irqreturn_t pd6729_test(int irq, void *dev)
return IRQ_HANDLED;
}
static int pd6729_check_irq(int irq, int flags)
static int pd6729_check_irq(int irq)
{
if (request_irq(irq, pd6729_test, flags, "x", pd6729_test) != 0)
return -1;
if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test)
!= 0) return -1;
free_irq(irq, pd6729_test);
return 0;
}
@ -610,7 +610,7 @@ static u_int __devinit pd6729_isa_scan(void)
/* just find interrupts that aren't in use */
for (i = 0; i < 16; i++)
if ((mask0 & (1 << i)) && (pd6729_check_irq(i, 0) == 0))
if ((mask0 & (1 << i)) && (pd6729_check_irq(i) == 0))
mask |= (1 << i);
printk(KERN_INFO "pd6729: ISA irqs = ");