1 files changed, 10 insertions, 57 deletions

diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 042c166f65d..092e82e0048 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -10,72 +10,25 @@
 
 #include <linux/acpi.h>
 
-#define OSC_QUERY_TYPE			0
-#define OSC_SUPPORT_TYPE 		1
-#define OSC_CONTROL_TYPE		2
-#define OSC_SUPPORT_MASKS		0x1f
-
-/*
- * _OSC DW0 Definition 
- */
-#define OSC_QUERY_ENABLE		1
-#define OSC_REQUEST_ERROR		2
-#define OSC_INVALID_UUID_ERROR		4
-#define OSC_INVALID_REVISION_ERROR	8
-#define OSC_CAPABILITIES_MASK_ERROR	16
-
-/*
- * _OSC DW1 Definition (OS Support Fields)
- */
-#define OSC_EXT_PCI_CONFIG_SUPPORT		1
-#define OSC_ACTIVE_STATE_PWR_SUPPORT 		2
-#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT	4
-#define OSC_PCI_SEGMENT_GROUPS_SUPPORT		8
-#define OSC_MSI_SUPPORT				16
-
-/*
- * _OSC DW1 Definition (OS Control Fields)
- */
-#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	1
-#define OSC_SHPC_NATIVE_HP_CONTROL 		2
-#define OSC_PCI_EXPRESS_PME_CONTROL		4
-#define OSC_PCI_EXPRESS_AER_CONTROL		8
-#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL	16
-
-#define OSC_CONTROL_MASKS 	(OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | 	\
-				OSC_SHPC_NATIVE_HP_CONTROL | 		\
-				OSC_PCI_EXPRESS_PME_CONTROL |		\
-				OSC_PCI_EXPRESS_AER_CONTROL |		\
-				OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
-
 #ifdef CONFIG_ACPI
-extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
-int pci_acpi_osc_support(acpi_handle handle, u32 flags);
 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
 {
-	/* Find root host bridge */
-	while (pdev->bus->self)
-		pdev = pdev->bus->self;
-
-	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
-			pdev->bus->number);
+	struct pci_bus *pbus = pdev->bus;
+	/* Find a PCI root bus */
+	while (pbus->parent)
+		pbus = pbus->parent;
+	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
+					      pbus->number);
 }
 
 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
 {
-	int seg = pci_domain_nr(pbus), busnr = pbus->number;
-	struct pci_dev *bridge = pbus->self;
-	if (bridge)
-		return DEVICE_ACPI_HANDLE(&(bridge->dev));
-	return acpi_get_pci_rootbridge_handle(seg, busnr);
+	if (pbus->parent)
+		return DEVICE_ACPI_HANDLE(&(pbus->self->dev));
+	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
+					      pbus->number);
 }
 #else
-#if !defined(AE_ERROR)
-typedef u32 		acpi_status;
-#define AE_ERROR      	(acpi_status) (0x0001)
-#endif    
-static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
-{return AE_ERROR;}
 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
 { return NULL; }
 #endif