ia64: Use irqd_irq_disabled() instead of desc->status access

Remove the last open coded access to irq_desc.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/ia64/kernel/irq.c

@@ -137,7 +137,7 @@ static void migrate_irqs(void)
 		struct irq_data *data = irq_desc_get_irq_data(desc);
 		struct irq_chip *chip = irq_data_get_irq_chip(data);
 
-		if (desc->status == IRQ_DISABLED)
+		if (irqd_irq_disabled(data))
 			continue;
 
 		/*

arch/ia64/sn/kernel/irq.c

@@ -412,7 +412,7 @@ sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info)
 	pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type];
 
 	/* Don't force an interrupt if the irq has been disabled */
-	if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) &&
+	if (!irqd_irq_disabled(sn_irq_info->irq_irq) &&
 	    pci_provider && pci_provider->force_interrupt)
 		(*pci_provider->force_interrupt)(sn_irq_info);
 }