diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 0e6cf3a..bbe59c2 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -108,15 +108,19 @@
 #ifdef CONFIG_ATA_ACPI
 extern void ata_acpi_associate_sata_port(struct ata_port *ap);
 extern void ata_acpi_associate(struct ata_host *host);
+extern void ata_acpi_dissociate(struct ata_host *host);
 extern int ata_acpi_on_suspend(struct ata_port *ap);
 extern void ata_acpi_on_resume(struct ata_port *ap);
-extern int ata_acpi_on_devcfg(struct ata_device *adev);
+extern int ata_acpi_on_devcfg(struct ata_device *dev);
+extern void ata_acpi_on_disable(struct ata_device *dev);
 #else
 static inline void ata_acpi_associate_sata_port(struct ata_port *ap) { }
 static inline void ata_acpi_associate(struct ata_host *host) { }
+static inline void ata_acpi_dissociate(struct ata_host *host) { }
 static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
 static inline void ata_acpi_on_resume(struct ata_port *ap) { }
-static inline int ata_acpi_on_devcfg(struct ata_device *adev) { return 0; }
+static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
+static inline void ata_acpi_on_disable(struct ata_device *dev) { }
 #endif
 
 /* libata-scsi.c */