RDMA/bnxt_re: Create direct symbol link between bnxt modules

Convert indirect probe call to its direct equivalent to create a symbol
link between RDMA and netdev modules. This will give us an ability to
remove custom module reference counting that doesn't belong to the driver.

Link: https://lore.kernel.org/r/20210401065715.565226-3-leon@kernel.orgSigned-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-By: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/bnxt_re/main.c

@@ -610,15 +610,10 @@ static void bnxt_re_dev_unprobe(struct net_device *netdev,
 
 static struct bnxt_en_dev *bnxt_re_dev_probe(struct net_device *netdev)
 {
-	struct bnxt *bp = netdev_priv(netdev);
 	struct bnxt_en_dev *en_dev;
 	struct pci_dev *pdev;
 
-	/* Call bnxt_en's RoCE probe via indirect API */
-	if (!bp->ulp_probe)
-		return ERR_PTR(-EINVAL);
-
-	en_dev = bp->ulp_probe(netdev);
+	en_dev = bnxt_ulp_probe(netdev);
 	if (IS_ERR(en_dev))
 		return en_dev;
 

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -12859,8 +12859,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (!BNXT_CHIP_P4_PLUS(bp))
 		bp->flags |= BNXT_FLAG_DOUBLE_DB;
 
-	bp->ulp_probe = bnxt_ulp_probe;
-
 	rc = bnxt_init_mac_addr(bp);
 	if (rc) {
 		dev_err(&pdev->dev, "Unable to initialize mac address.\n");

drivers/net/ethernet/broadcom/bnxt/bnxt.h

@@ -1745,7 +1745,6 @@ struct bnxt {
 	(BNXT_CHIP_P4(bp) || BNXT_CHIP_P5(bp))
 
 	struct bnxt_en_dev	*edev;
-	struct bnxt_en_dev *	(*ulp_probe)(struct net_device *);
 
 	struct bnxt_napi	**bnapi;
 

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c

@@ -491,3 +491,4 @@ struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev)
 	}
 	return bp->edev;
 }
+EXPORT_SYMBOL(bnxt_ulp_probe);