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-rw-r--r--include/linux/acpi.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d7136d13aa44..04e5a038dd57 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -608,6 +608,13 @@ extern u32 osc_sb_native_usb4_control;
#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
+static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
+{
+ u32 *ret = context->ret.pointer;
+
+ return ret[OSC_CONTROL_DWORD];
+}
+
#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
@@ -1004,6 +1011,12 @@ static inline int acpi_register_wakeup_handler(int wake_irq,
static inline void acpi_unregister_wakeup_handler(
bool (*wakeup)(void *context), void *context) { }
+struct acpi_osc_context;
+static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
+{
+ return 0;
+}
+
#endif /* !CONFIG_ACPI */
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC