From c39127dbaf6c267f18d1cac14e2b0ecbfaa52d63 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Fri, 17 Jul 2015 15:38:13 -0500 Subject: [PATCH] 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: Bjorn Helgaas Reviewed-by: Joerg Roedel --- drivers/pci/ats.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index 95905f3c08f1..0b5b0ed7a436 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -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); } -- 2.20.1