[libata] Utilize new SCSI event infrastructure

An end to CD-ROM polling (if you have a device that supports AN)...
hooray!

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 245057df69d6..94144ed50a6b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -841,6 +841,9 @@ static void ata_scsi_dev_config(struct scsi_device *sdev,
                 blk_queue_max_hw_segments(q, q->max_hw_segments - 1);
         }
 
+        if (dev->flags & ATA_DFLAG_AN)
+                set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
+
         if (dev->flags & ATA_DFLAG_NCQ) {
                 int depth;
 
@@ -3296,10 +3299,9 @@ static void ata_scsi_handle_link_detach(struct ata_link *link)
  */
 void ata_scsi_media_change_notify(struct ata_device *dev)
 {
-#ifdef OTHER_AN_PATCHES_HAVE_BEEN_APPLIED
         if (dev->sdev)
-                scsi_device_event_notify(dev->sdev, SDEV_MEDIA_CHANGE);
-#endif
+                sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE,
+                                     GFP_ATOMIC);
 }
 
 /**