1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 5e2466658420..29037cd7c651 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -98,9 +98,11 @@ extern struct ata_port *ata_port_alloc(struct ata_host *host);
 
 /* libata-acpi.c */
 #ifdef CONFIG_ATA_ACPI
+extern void ata_acpi_associate(struct ata_host *host);
 extern int ata_acpi_exec_tfs(struct ata_port *ap);
 extern int ata_acpi_push_id(struct ata_device *dev);
 #else
+static inline void ata_acpi_associate(struct ata_host *host) { }
 static inline int ata_acpi_exec_tfs(struct ata_port *ap)
 {
         return 0;