---

yaml
---
r: 44254
b: refs/heads/master
c: 01cb087
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da58e92f1f2939587ac85ae3abfec8b1c743400b
+refs/heads/master: 01cb087e747538d6a831c3ab370a1e1fd4538d5c

trunk/arch/avr32/mach-at32ap/extint.c

@@ -49,12 +49,25 @@ static void eim_unmask_irq(unsigned int irq)
 static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
 {
 	struct at32_sm *sm = get_irq_chip_data(irq);
+	struct irq_desc *desc;
 	unsigned int i = irq - sm->eim_first_irq;
 	u32 mode, edge, level;
 	unsigned long flags;
 	int ret = 0;
 
-	flow_type &= IRQ_TYPE_SENSE_MASK;
+	if (flow_type == IRQ_TYPE_NONE)
+		flow_type = IRQ_TYPE_LEVEL_LOW;
+
+	desc = &irq_desc[irq];
+	desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
+	desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
+
+	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) {
+		desc->status |= IRQ_LEVEL;
+		set_irq_handler(irq, handle_level_irq);
+	} else {
+		set_irq_handler(irq, handle_edge_irq);
+	}
 
 	spin_lock_irqsave(&sm->lock, flags);
 
@@ -148,10 +161,15 @@ static int __init eim_init(void)
 	pattern = sm_readl(sm, EIM_MODE);
 	nr_irqs = fls(pattern);
 
+	/* Trigger on falling edge unless overridden by driver */
+	sm_writel(sm, EIM_MODE, 0UL);
+	sm_writel(sm, EIM_EDGE, 0UL);
+
 	sm->eim_chip = &eim_chip;
 
 	for (i = 0; i < nr_irqs; i++) {
-		set_irq_chip(sm->eim_first_irq + i, &eim_chip);
+		set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip,
+					 handle_edge_irq);
 		set_irq_chip_data(sm->eim_first_irq + i, sm);
 	}