qla2xxx: Correct iiDMA-update calling conventions.

* To set iiDMA speeds for ISP81XX, bits 5-0 are used whereas for
  other older ISPs bits 2-0 are used.
* Pass proper VP index

Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/qla2xxx/qla_init.c

@@ -2301,7 +2301,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
 	static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
 	char *link_speed;
 	int rval;
-	uint16_t mb[6];
+	uint16_t mb[4];
 	struct qla_hw_data *ha = vha->hw;
 
 	if (!IS_IIDMA_CAPABLE(ha))

drivers/scsi/qla2xxx/qla_mbx.c

@@ -2697,10 +2697,13 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
 	mcp->mb[0] = MBC_PORT_PARAMS;
 	mcp->mb[1] = loop_id;
 	mcp->mb[2] = BIT_0;
-	mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
-	mcp->mb[4] = mcp->mb[5] = 0;
-	mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
-	mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0;
+	if (IS_QLA81XX(vha->hw))
+		mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0);
+	else
+		mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
+	mcp->mb[9] = vha->vp_idx;
+	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_3|MBX_1|MBX_0;
 	mcp->tov = MBX_TOV_SECONDS;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(vha, mcp);
@@ -2710,8 +2713,6 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
 		mb[0] = mcp->mb[0];
 		mb[1] = mcp->mb[1];
 		mb[3] = mcp->mb[3];
-		mb[4] = mcp->mb[4];
-		mb[5] = mcp->mb[5];
 	}
 
 	if (rval != QLA_SUCCESS) {