2 files changed, 7 insertions, 2 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index b4ee28dec521..5d52c2fcd076 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1208,6 +1208,7 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
  *      ata_scsi_change_queue_depth - SCSI callback for queue depth config
  *      @sdev: SCSI device to configure queue depth for
  *      @queue_depth: new queue depth
+ *      @reason: calling context
  *
  *      This is libata standard hostt->change_queue_depth callback.
  *      SCSI will call into this callback when user tries to set queue
@@ -1219,12 +1220,16 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
  *      RETURNS:
  *      Newly configured queue depth.
  */
-int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth)
+int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth,
+                                int reason)
 {
         struct ata_port *ap = ata_shost_to_port(sdev->host);
         struct ata_device *dev;
         unsigned long flags;
 
+        if (reason != SCSI_QDEPTH_DEFAULT)
+                return -EOPNOTSUPP;
+
         if (queue_depth < 1 || queue_depth == sdev->queue_depth)
                 return sdev->queue_depth;
 
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 1eb4e020eb5c..0c82d335c55d 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -1975,7 +1975,7 @@ static int nv_swncq_slave_config(struct scsi_device *sdev)
         ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num));
 
         if (strncmp(model_num, "Maxtor", 6) == 0) {
-                ata_scsi_change_queue_depth(sdev, 1);
+                ata_scsi_change_queue_depth(sdev, 1, SCSI_QDEPTH_DEFAULT);
                 ata_dev_printk(dev, KERN_NOTICE,
                         "Disabling SWNCQ mode (depth %x)\n", sdev->queue_depth);
         }