[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>

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 245057df69d67950ed4b50e507023f3545248670..94144ed50a6bd2cd6def54983ccf08b52ada97fd 100644 (file)
--- 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);
 }
 
 /**