1 files changed, 13 insertions, 6 deletions

diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 6a3875f81a0a..ba8d302a0b72 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -126,7 +126,7 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
  */
 static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
 {
-        volatile struct io_apic *io_apic = io_apic_base(apic);
+        volatile struct io_apic __iomem *io_apic = io_apic_base(apic);
         if (sis_apic_bug)
                 writel(reg, &io_apic->index);
         writel(value, &io_apic->data);
@@ -2606,25 +2606,32 @@ static struct irq_chip msi_chip = {
         .retrigger      = ioapic_retrigger_irq,
 };
 
-int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev)
+int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
         struct msi_msg msg;
-        int ret;
+        int irq, ret;
+        irq = create_irq();
+        if (irq < 0)
+                return irq;
+
+        set_irq_msi(irq, desc);
         ret = msi_compose_msg(dev, irq, &msg);
-        if (ret < 0)
+        if (ret < 0) {
+                destroy_irq(irq);
                 return ret;
+        }
 
         write_msi_msg(irq, &msg);
 
         set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq,
                                       "edge");
 
-        return 0;
+        return irq;
 }
 
 void arch_teardown_msi_irq(unsigned int irq)
 {
-        return;
+        destroy_irq(irq);
 }
 
 #endif /* CONFIG_PCI_MSI */