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| author | Quinn Tran <quinn.tran@qlogic.com> | 2015-06-10 11:05:19 -0400 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-07-24 14:19:05 -0700 |
| commit | 3761f3e8704878b1d3db9751f5c6db6fc918032f (patch) | |
| tree | 9f4d5bb0bfc793d10e4b956606c590be44406860 /drivers/scsi/qla2xxx | |
| parent | b20f02e1418d8a5617b81464c612de09aa55e552 (diff) | |
| download | blackbird-obmc-linux-3761f3e8704878b1d3db9751f5c6db6fc918032f.tar.gz blackbird-obmc-linux-3761f3e8704878b1d3db9751f5c6db6fc918032f.zip | |
qla2xxx: Add flush after updating ATIOQ consumer index.
After updating the consumer index of ATIO Q, a read is
required to flush the write to the adapter register.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 9c14d107d29a..5047c8566644 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -5546,6 +5546,7 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha) /* Adjust ring index */ WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index); + RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha)); } void |
