ACPI: Add needed exports for ACPI-based PCI Hot Plug (J.I. Lee)

drivers/acpi/acpi_ksyms.c

@@ -86,6 +86,7 @@ EXPORT_SYMBOL(acpi_get_register);
 EXPORT_SYMBOL(acpi_set_register);
 EXPORT_SYMBOL(acpi_enter_sleep_state);
 EXPORT_SYMBOL(acpi_get_system_info);
+EXPORT_SYMBOL(acpi_get_devices);
 
 /* ACPI OS Services Layer (acpi_osl.c) */
 
@@ -100,6 +101,8 @@ EXPORT_SYMBOL(acpi_os_create_semaphore);
 EXPORT_SYMBOL(acpi_os_delete_semaphore);
 EXPORT_SYMBOL(acpi_os_wait_semaphore);
 
+EXPORT_SYMBOL(acpi_os_read_pci_configuration);
+
 /* ACPI Utilities (acpi_utils.c) */
 
 EXPORT_SYMBOL(acpi_extract_package);
@@ -126,3 +129,15 @@ EXPORT_SYMBOL(acpi_bus_register_driver);
 EXPORT_SYMBOL(acpi_bus_unregister_driver);
 
 #endif /*CONFIG_ACPI_BUS*/
+
+
+/* ACPI PCI Driver (pci_irq.c) */
+
+#ifdef CONFIG_ACPI_PCI
+
+#include <linux/pci.h>
+extern int acpi_pci_irq_enable(struct pci_dev *dev);
+EXPORT_SYMBOL(acpi_pci_irq_enable);
+extern int acpi_pci_irq_lookup (int segment, int bus, int device, int pin);
+EXPORT_SYMBOL(acpi_pci_irq_lookup);
+#endif /*CONFIG_ACPI_PCI */

drivers/acpi/pci_irq.c

@@ -229,7 +229,7 @@ acpi_pci_irq_add_prt (
                           PCI Interrupt Routing Support
    -------------------------------------------------------------------------- */
 
-static int
+int
 acpi_pci_irq_lookup (
 	int			segment,
 	int			bus,