diff options
Diffstat (limited to 'arch/mips/au1000/common/irq.c')
| -rw-r--r-- | arch/mips/au1000/common/irq.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index ebf93bdbad1..6a25677bf3c 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -293,8 +293,30 @@ static struct hw_interrupt_type level_irq_type = { }; #ifdef CONFIG_PM -void startup_match20_interrupt(void) +void startup_match20_interrupt(void (*handler)(int, void *, struct pt_regs *)) { + static struct irqaction action; + /* This is a big problem.... since we didn't use request_irq + when kernel/irq.c calls probe_irq_xxx this interrupt will + be probed for usage. This will end up disabling the device :( + + Give it a bogus "action" pointer -- this will keep it from + getting auto-probed! + + By setting the status to match that of request_irq() we + can avoid it. --cgray + */ + action.dev_id = handler; + action.flags = 0; + action.mask = 0; + action.name = "Au1xxx TOY"; + action.handler = handler; + action.next = NULL; + + irq_desc[AU1000_TOY_MATCH2_INT].action = &action; + irq_desc[AU1000_TOY_MATCH2_INT].status + &= ~(IRQ_DISABLED | IRQ_AUTODETECT | IRQ_WAITING | IRQ_INPROGRESS); + local_enable_irq(AU1000_TOY_MATCH2_INT); } #endif @@ -517,17 +539,7 @@ void intc0_req1_irqdispatch(struct pt_regs *regs) irq = au_ffs(intc0_req1) - 1; intc0_req1 &= ~(1<<irq); -#ifdef CONFIG_PM - if (irq == AU1000_TOY_MATCH2_INT) { - mask_and_ack_rise_edge_irq(irq); - counter0_irq(irq, NULL, regs); - local_enable_irq(irq); - } - else -#endif - { - do_IRQ(irq, regs); - } + do_IRQ(irq, regs); } |