netdev - [PATCH 2/4] xen-pciback: use PCI VFs assignment helper functions

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Message-Id: <1405039642-23519-2-git-send-email-ethan.zhao@oracle.com>
Date:	Fri, 11 Jul 2014 08:47:20 +0800
From:	Ethan Zhao <ethan.zhao@...cle.com>
To:	bhelgaas@...gle.com, konrad.wilk@...cle.com,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	gleb@...nel.org, pbonzini@...hat.com, jeffrey.t.kirsher@...el.com,
	jesse.brandeburg@...el.com, bruce.w.allan@...el.com,
	carolyn.wyborny@...el.com, donald.c.skidmore@...el.com,
	gregory.v.rose@...el.com, alexander.h.duyck@...el.com,
	john.ronciak@...el.com, mitch.a.williams@...el.com
Cc:	linux-pci@...r.kernel.org, kvm@...r.kernel.org,
	linux.nics@...el.com, e1000-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	ethan.kernel@...il.com, vaughan.cao@...cle.com,
	Ethan Zhao <ethan.zhao@...cle.com>
Subject: [PATCH 2/4] xen-pciback: use PCI VFs assignment helper functions

New VFs reference counter mechanism and VFs assignment helper functions are introduced to
PCI SRIOV, use them instead of manipulating device flag directly.

Signed-off-by: Ethan Zhao <ethan.zhao@...cle.com>
---
 drivers/xen/xen-pciback/pci_stub.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index 62fcd48..1d7b747 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -133,7 +133,7 @@ static void pcistub_device_release(struct kref *kref)
 	xen_pcibk_config_free_dyn_fields(dev);
 	xen_pcibk_config_free_dev(dev);
 
-	dev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
+	pci_sriov_deassign_device(dev);
 	pci_dev_put(dev);
 
 	kfree(psdev);
@@ -404,7 +404,7 @@ static int pcistub_init_device(struct pci_dev *dev)
 	dev_dbg(&dev->dev, "reset device\n");
 	xen_pcibk_reset_device(dev);
 
-	dev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
+	pci_sriov_assign_device(dev);
 	return 0;
 
 config_release:
-- 
1.7.1

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