spin_unlock_irqrestore(&pmac_pic_lock, flags);
}
+/* When an irq gets requested for the first client, if it's an
+ * edge interrupt, we clear any previous one on the controller
+ */
+static unsigned int __pmac pmac_startup_irq(unsigned int irq_nr)
+{
+ unsigned long bit = 1UL << (irq_nr & 0x1f);
+ int i = irq_nr >> 5;
+
+ if ((irq_desc[irq_nr].status & IRQ_LEVEL) == 0)
+ out_le32(&pmac_irq_hw[i]->ack, bit);
+ set_bit(irq_nr, ppc_cached_irq_mask);
+ pmac_set_irq_mask(irq_nr, 0);
+
+ return 0;
+}
+
static void __pmac pmac_mask_irq(unsigned int irq_nr)
{
clear_bit(irq_nr, ppc_cached_irq_mask);
struct hw_interrupt_type pmac_pic = {
- " PMAC-PIC ",
- NULL,
- NULL,
- pmac_unmask_irq,
- pmac_mask_irq,
- pmac_mask_and_ack_irq,
- pmac_end_irq,
- NULL
+ .typename = " PMAC-PIC ",
+ .startup = pmac_startup_irq,
+ .enable = pmac_unmask_irq,
+ .disable = pmac_mask_irq,
+ .ack = pmac_mask_and_ack_irq,
+ .end = pmac_end_irq,
};
struct hw_interrupt_type gatwick_pic = {
- " GATWICK ",
- NULL,
- NULL,
- pmac_unmask_irq,
- pmac_mask_irq,
- pmac_mask_and_ack_irq,
- pmac_end_irq,
- NULL
+ .typename = " GATWICK ",
+ .startup = pmac_startup_irq,
+ .enable = pmac_unmask_irq,
+ .disable = pmac_mask_irq,
+ .ack = pmac_mask_and_ack_irq,
+ .end = pmac_end_irq,
};
static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs)
nmi_irq = pswitch->intrs[0].line;
openpic_init_nmi_irq(nmi_irq);
request_irq(nmi_irq, xmon_irq, 0,
- "NMI - XMON", 0);
+ "NMI - XMON", NULL);
}
}
#endif /* CONFIG_XMON */
for ( i = max_real_irqs ; i < max_irqs ; i++ )
irq_desc[i].handler = &gatwick_pic;
request_irq( irq_cascade, gatwick_action, SA_INTERRUPT,
- "cascade", 0 );
+ "cascade", NULL );
}
printk("System has %d possible interrupts\n", max_irqs);
if (max_irqs != max_real_irqs)
max_real_irqs);
#ifdef CONFIG_XMON
- request_irq(20, xmon_irq, 0, "NMI - XMON", 0);
+ request_irq(20, xmon_irq, 0, "NMI - XMON", NULL);
#endif /* CONFIG_XMON */
}