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Commit c39127db authored by Bjorn Helgaas's avatar Bjorn Helgaas
Browse files

PCI: Use pci_physfn() rather than looking up physfn by hand 



Use the pci_physfn() helper rather than looking up physfn by hand.
No functional change.

Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarJoerg Roedel <jroedel@suse.de>
parent afdd596c

drivers/pci/ats.c

+4 −4
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ void pci_ats_init(struct pci_dev *dev) 
int pci_enable_ats(struct pci_dev *dev, int ps)

{

	u16 ctrl;

	struct pci_dev *pdev;



	BUG_ON(dev->ats_cap && dev->ats_enabled);
@@ -57,8 +58,7 @@ int pci_enable_ats(struct pci_dev *dev, int ps) 
	 */

	ctrl = PCI_ATS_CTRL_ENABLE;

	if (dev->is_virtfn) {

		struct pci_dev *pdev = dev->physfn;



		pdev = pci_physfn(dev);

		if (pdev->ats_stu != ps)

			return -EINVAL;
@@ -80,6 +80,7 @@ EXPORT_SYMBOL_GPL(pci_enable_ats); 
 */

void pci_disable_ats(struct pci_dev *dev)

{

	struct pci_dev *pdev;

	u16 ctrl;



	BUG_ON(!dev->ats_cap || !dev->ats_enabled);
@@ -88,8 +89,7 @@ void pci_disable_ats(struct pci_dev *dev) 
		return;		/* VFs still enabled */



	if (dev->is_virtfn) {

		struct pci_dev *pdev = dev->physfn;



		pdev = pci_physfn(dev);

		atomic_dec(&pdev->ats_ref_cnt);

	}