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[SCSI] aic79xx: use tcq functions 

This patch converts aic79xx to use the midlayer-supplied tcq
functions.

We also set the queuedepth to '1' if tcq is disabled; the
aic79xx driver gets confused otherwise. Will set it back to
'2' once I figure out how to queue requests in the driver.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Hannes Reinecke 2006-03-08 12:56:56 +01:00 committed by James Bottomley
parent 7b22da38b6
commit 0aa800db8f
1 changed files with 5 additions and 9 deletions
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14
drivers/scsi/aic7xxx/aic79xx_osm.c
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@ -1336,14 +1336,12 @@ ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
switch ((dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED))) {
case AHD_DEV_Q_BASIC:
scsi_adjust_queue_depth(sdev,
MSG_SIMPLE_TASK,
dev->openings + dev->active);
scsi_set_tag_type(sdev, MSG_SIMPLE_TASK);
scsi_activate_tcq(sdev, dev->openings + dev->active);
break;
case AHD_DEV_Q_TAGGED:
scsi_adjust_queue_depth(sdev,
MSG_ORDERED_TASK,
dev->openings + dev->active);
scsi_set_tag_type(sdev, MSG_ORDERED_TASK);
scsi_activate_tcq(sdev, dev->openings + dev->active);
break;
default:
/*
@ -1352,9 +1350,7 @@ ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
* serially on the controller/device. This should
* remove some latency.
*/
scsi_adjust_queue_depth(sdev,
/*NON-TAGGED*/0,
/*queue depth*/2);
scsi_deactivate_tcq(sdev, 1);
break;
}
}