spin_lock_irqsave(&irq_controller_lock, flags);
p = &desc->action;
if ((old = *p) != NULL) {
- /* Can't share interrupts unless both agree to */
- if (!(old->flags & new->flags & SA_SHIRQ)) {
+ /*
+ * Can't share interrupts unless both agree to and are
+ * the same type.
+ */
+ if (!(old->flags & new->flags & SA_SHIRQ) ||
+ (~old->flags & new->flags) & SA_TRIGGER_MASK) {
spin_unlock_irqrestore(&irq_controller_lock, flags);
return -EBUSY;
}
desc->running = 0;
desc->pending = 0;
desc->disable_depth = 1;
+
+ if (new->flags & SA_TRIGGER_MASK &&
+ desc->chip->set_type) {
+ unsigned int type = new->flags & SA_TRIGGER_MASK;
+ desc->chip->set_type(irq, type);
+ }
+
if (!desc->noautoenable) {
desc->disable_depth = 0;
desc->chip->unmask(irq);
void __init init_IRQ(void)
{
struct irqdesc *desc;
- extern void init_dma(void);
int irq;
#ifdef CONFIG_SMP
}
init_arch_irq();
- init_dma();
}
static int __init noirqdebug_setup(char *str)