1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index b16c81a24ba3..ebab75958900 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2329,6 +2329,31 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
         return rc;
 }
 
+/**
+ *      ata_set_mode - Program timings and issue SET FEATURES - XFER
+ *      @link: link on which timings will be programmed
+ *      @r_failed_dev: out paramter for failed device
+ *
+ *      Set ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
+ *      ata_set_mode() fails, pointer to the failing device is
+ *      returned in @r_failed_dev.
+ *
+ *      LOCKING:
+ *      PCI/etc. bus probe sem.
+ *
+ *      RETURNS:
+ *      0 on success, negative errno otherwise
+ */
+int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
+{
+        struct ata_port *ap = link->ap;
+
+        /* has private set_mode? */
+        if (ap->ops->set_mode)
+                return ap->ops->set_mode(link, r_failed_dev);
+        return ata_do_set_mode(link, r_failed_dev);
+}
+
 static int ata_link_nr_enabled(struct ata_link *link)
 {
         struct ata_device *dev;