libata: set queue SSD flag for SSD devices

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index f3b4b15a8dc49509802a7cf06bae5fba2d8f6dfb..054370700abf555d62e9ecae3e4c6d0fa81c3e2d 100644 (file)
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -977,6 +977,10 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 
                blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN);
        } else {
+               if (ata_id_is_ssd(dev->id))
+                       queue_flag_set_unlocked(QUEUE_FLAG_NONROT,
+                                               sdev->request_queue);
+
                /* ATA devices must be sector aligned */
                blk_queue_update_dma_alignment(sdev->request_queue,
                                               ATA_SECT_SIZE - 1);
@@ -2550,36 +2554,6 @@ static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap,
        return ata_find_dev(ap, devno);
 }
 
-/**
- *     ata_scsi_dev_enabled - determine if device is enabled
- *     @dev: ATA device
- *
- *     Determine if commands should be sent to the specified device.
- *
- *     LOCKING:
- *     spin_lock_irqsave(host lock)
- *
- *     RETURNS:
- *     0 if commands are not allowed / 1 if commands are allowed
- */
-
-static int ata_scsi_dev_enabled(struct ata_device *dev)
-{
-       if (unlikely(!ata_dev_enabled(dev)))
-               return 0;
-
-       if (!atapi_enabled || (dev->link->ap->flags & ATA_FLAG_NO_ATAPI)) {
-               if (unlikely(dev->class == ATA_DEV_ATAPI)) {
-                       ata_dev_printk(dev, KERN_WARNING,
-                                      "WARNING: ATAPI is %s, device ignored.\n",
-                                      atapi_enabled ? "not supported with this driver" : "disabled");
-                       return 0;
-               }
-       }
-
-       return 1;
-}
-
 /**
  *     ata_scsi_find_dev - lookup ata_device from scsi_cmnd
  *     @ap: ATA port to which the device is attached
@@ -2601,7 +2575,7 @@ ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev)
 {
        struct ata_device *dev = __ata_scsi_find_dev(ap, scsidev);
 
-       if (unlikely(!dev || !ata_scsi_dev_enabled(dev)))
+       if (unlikely(!dev || !ata_dev_enabled(dev)))
                return NULL;
 
        return dev;
@@ -3622,7 +3596,7 @@ int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
 
        ata_scsi_dump_cdb(ap, cmd);
 
-       if (likely(ata_scsi_dev_enabled(ap->link.device)))
+       if (likely(ata_dev_enabled(ap->link.device)))
                rc = __ata_scsi_queuecmd(cmd, done, ap->link.device);
        else {
                cmd->result = (DID_BAD_TARGET << 16);