Commit 3761f3e8 authored Jun 10, 2015 by Quinn Tran Committed by Nicholas Bellinger Jul 24, 2015

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>

parent b20f02e1

drivers/scsi/qla2xxx/qla_target.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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

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