RDMA/iw_cxgb4: Fix bar2 virt addr calculation for T4 chips

[deliverable/linux.git] / drivers / infiniband / hw / cxgb4 / qp.c

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 8aa2e52b453e1191fb5fcfd43c3b34cd3a73135d..e8993e49b8b3a6d5a99634c4f7376a761762bda0 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -185,6 +185,10 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid,
 
        if (pbar2_pa)
                *pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK;
+
+       if (is_t4(rdev->lldi.adapter_type))
+               return NULL;
+
        return rdev->bar2_kva + bar2_qoffset;
 }
 
@@ -270,7 +274,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
        /*
         * User mode must have bar2 access.
         */
-       if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) {
+       if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) {
                pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n",
                        pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid);
                goto free_dma;