linux-kernel - [PATCH] misc: pci_endpoint_test: Ensure relationship between miscdev and PCI

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Date:   Tue,  6 Jul 2021 17:43:10 +0200
From:   Richard Weinberger <richard@....at>
To:     kishon@...com
Cc:     lorenzo.pieralisi@....com, kw@...ux.com, arnd@...db.de,
        gregkh@...uxfoundation.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>
Subject: [PATCH] misc: pci_endpoint_test: Ensure relationship between miscdev and PCI

Set the parent pointer of the misc device to ensure a relationship
between PCI and misc dev. That way it is possible to see in
/sys/class/misc/ which pci_endpoint_test instance serves what
PCI device.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/misc/pci_endpoint_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index 1b2868ca4f2a..d1137a95ad02 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -862,6 +862,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 		err = -ENOMEM;
 		goto err_release_irq;
 	}
+	misc_device->parent = &pdev->dev;
 	misc_device->fops = &pci_endpoint_test_fops,
 
 	err = misc_register(misc_device);
-- 
2.26.2