+
+#ifdef CONFIG_ACPI
+#include <linux/acpi.h>
+#include <linux/pci-acpi.h>
+static void __devinit msi_acpi_init(void)
+{
+ if (acpi_pci_disabled)
+ return;
+ pci_osc_support_set(OSC_MSI_SUPPORT);
+ pcie_osc_support_set(OSC_MSI_SUPPORT);
+}
+#else
+static inline void msi_acpi_init(void) { }
+#endif /* CONFIG_ACPI */
+
+void __devinit msi_init(void)
+{
+ if (!pci_msi_enable)
+ return;
+ msi_acpi_init();
+}