+/**
+ * set_irq_data - set irq type data for an irq
+ * @irq: Interrupt number
+ * @entry: Pointer to MSI descriptor data
+ *
+ * Set the hardware irq controller data for an irq
+ */
+int set_irq_msi(unsigned int irq, struct msi_desc *entry)
+{
+ struct irq_desc *desc;
+ unsigned long flags;
+
+ if (irq >= NR_IRQS) {
+ printk(KERN_ERR
+ "Trying to install msi data for IRQ%d\n", irq);
+ return -EINVAL;
+ }
+ desc = irq_desc + irq;
+ spin_lock_irqsave(&desc->lock, flags);
+ desc->msi_desc = entry;
+ if (entry)
+ entry->irq = irq;
+ spin_unlock_irqrestore(&desc->lock, flags);
+ return 0;
+}
+