[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>
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@ -1336,14 +1336,12 @@ ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
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switch ((dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED))) {
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case AHD_DEV_Q_BASIC:
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scsi_adjust_queue_depth(sdev,
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MSG_SIMPLE_TASK,
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dev->openings + dev->active);
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scsi_set_tag_type(sdev, MSG_SIMPLE_TASK);
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scsi_activate_tcq(sdev, dev->openings + dev->active);
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break;
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case AHD_DEV_Q_TAGGED:
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scsi_adjust_queue_depth(sdev,
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MSG_ORDERED_TASK,
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dev->openings + dev->active);
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scsi_set_tag_type(sdev, MSG_ORDERED_TASK);
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scsi_activate_tcq(sdev, dev->openings + dev->active);
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break;
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default:
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/*
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@ -1352,9 +1350,7 @@ ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
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* serially on the controller/device. This should
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* remove some latency.
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*/
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scsi_adjust_queue_depth(sdev,
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/*NON-TAGGED*/0,
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/*queue depth*/2);
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scsi_deactivate_tcq(sdev, 1);
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break;
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}
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}
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