From 3761f3e8704878b1d3db9751f5c6db6fc918032f Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Wed, 10 Jun 2015 11:05:19 -0400 Subject: 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 Signed-off-by: Himanshu Madhani Reviewed-by: Nicholas Bellinger Signed-off-by: Nicholas Bellinger --- drivers/scsi/qla2xxx/qla_target.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/scsi') 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 -- cgit v1.2.3