scsi: qla2xxx: Initialize port speed to avoid setting lower speed
authorQuinn Tran <quinn.tran@cavium.com>
Tue, 6 Nov 2018 08:51:21 +0000 (00:51 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Nov 2018 08:24:08 +0000 (09:24 +0100)
commit f635e48e866ee1a47d2d42ce012fdcc07bf55853 upstream.

This patch initializes port speed so that firmware does not set lower
operating speed. Setting lower speed in firmware impacts WRITE perfomance.

Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/scsi/qla2xxx/qla_init.c

index 041497c8ecd8f37bb5cdcbcf4298d31f899b2d9e..aef1e1a555350db1df993242f3e1c715c13add56 100644 (file)
@@ -4236,6 +4236,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
        fcport->loop_id = FC_NO_LOOP_ID;
        qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
        fcport->supported_classes = FC_COS_UNSPECIFIED;
+       fcport->fp_speed = PORT_SPEED_UNKNOWN;
 
        fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
                sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,