John Garry 4fde02ad66 scsi: hisi_sas: save delivery queue write pointer
Optimise by saving an avoidable read in the get_free_slot function.  The
delivery queue write pointer will only be updated by software, so don't
bother re-reading what was already written in the previous call to
start_delivery function.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-09-14 12:54:17 -04:00
..
2016-01-26 21:17:59 -05:00
2016-02-23 21:27:02 -05:00