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authorChristoph Hellwig <hch@lst.de>2014-11-24 15:36:18 +0100
committerChristoph Hellwig <hch@lst.de>2014-12-04 09:55:45 +0100
commitefc3c1df5fda0aee84f53c226d55804e6dbede4f (patch)
treed06cbf91a62eed9ba3df319ffd96c4eea0a39740 /drivers/scsi/ipr.c
parent79855d178557cc3e3ffd179fd26a64cef48dfb30 (diff)
downloadop-kernel-dev-efc3c1df5fda0aee84f53c226d55804e6dbede4f.zip
op-kernel-dev-efc3c1df5fda0aee84f53c226d55804e6dbede4f.tar.gz
scsi: remove ->change_queue_type method
Since we got rid of ordered tag support in 2010 the prime use case of switching on and off ordered tags has been obsolete. The other function of enabling/disabling tagging entirely has only been correctly implemented by the 53c700 driver and isn't generally useful. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com Reviewed-by: Hannes Reinecke <hare@suse.de>
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r--drivers/scsi/ipr.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5402943..c35ef5f 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4346,30 +4346,6 @@ static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth)
}
/**
- * ipr_change_queue_type - Change the device's queue type
- * @dsev: scsi device struct
- * @tag_type: type of tags to use
- *
- * Return value:
- * actual queue type set
- **/
-static int ipr_change_queue_type(struct scsi_device *sdev, int tag_type)
-{
- struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
- struct ipr_resource_entry *res;
- unsigned long lock_flags = 0;
-
- spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
- res = (struct ipr_resource_entry *)sdev->hostdata;
- if (res && ipr_is_gscsi(res))
- tag_type = scsi_change_queue_type(sdev, tag_type);
- else
- tag_type = 0;
- spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
- return tag_type;
-}
-
-/**
* ipr_show_adapter_handle - Show the adapter's resource handle for this device
* @dev: device struct
* @attr: device attribute structure
@@ -6302,7 +6278,6 @@ static struct scsi_host_template driver_template = {
.target_alloc = ipr_target_alloc,
.target_destroy = ipr_target_destroy,
.change_queue_depth = ipr_change_queue_depth,
- .change_queue_type = ipr_change_queue_type,
.bios_param = ipr_biosparam,
.can_queue = IPR_MAX_COMMANDS,
.this_id = -1,
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