From e40cf640b8f632091a30ef0b030c83546f07c902 Mon Sep 17 00:00:00 2001
From: Logan Gunthorpe <logang@deltatee.com>
Date: Mon, 22 May 2017 16:52:24 -0500
Subject: [PATCH] switchtec: Use new cdev_device_add() helper function

Convert from "cdev_add() + device_add()" to cdev_device_add(), and from
"device_del() + cdev_del()" to cdev_device_del().

[bhelgaas: changelog]
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/pci/switch/switchtec.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index cc6e085008fb..abaa227a5f34 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1291,7 +1291,6 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
 	cdev = &stdev->cdev;
 	cdev_init(cdev, &switchtec_fops);
 	cdev->owner = THIS_MODULE;
-	cdev->kobj.parent = &dev->kobj;
 
 	return stdev;
 
@@ -1479,11 +1478,7 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
 		  SWITCHTEC_EVENT_EN_IRQ,
 		  &stdev->mmio_part_cfg->mrpc_comp_hdr);
 
-	rc = cdev_add(&stdev->cdev, stdev->dev.devt, 1);
-	if (rc)
-		goto err_put;
-
-	rc = device_add(&stdev->dev);
+	rc = cdev_device_add(&stdev->cdev, &stdev->dev);
 	if (rc)
 		goto err_devadd;
 
@@ -1492,7 +1487,6 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
 	return 0;
 
 err_devadd:
-	cdev_del(&stdev->cdev);
 	stdev_kill(stdev);
 err_put:
 	ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
@@ -1506,8 +1500,7 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
 
 	pci_set_drvdata(pdev, NULL);
 
-	device_del(&stdev->dev);
-	cdev_del(&stdev->cdev);
+	cdev_device_del(&stdev->cdev, &stdev->dev);
 	ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
 	dev_info(&stdev->dev, "unregistered.\n");