summaryrefslogtreecommitdiffstats
path: root/drivers/pci/iov.c
diff options
context:
space:
mode:
authorXiongfeng Wang <wangxiongfeng2@huawei.com>2023-08-07 15:48:58 +0200
committerBjorn Helgaas <bhelgaas@google.com>2023-08-07 23:15:39 +0200
commit6f7dc3076717d48980d8214eee083ee401fbe66d (patch)
tree92266b61c479b9f50612bc15137cffa267a6d193 /drivers/pci/iov.c
parentPCI/AER: Use pci_dev_id() to simplify the code (diff)
downloadlinux-6f7dc3076717d48980d8214eee083ee401fbe66d.tar.xz
linux-6f7dc3076717d48980d8214eee083ee401fbe66d.zip
PCI/IOV: Use pci_dev_id() to simplify the code
When we have a struct pci_dev *, use pci_dev_id() instead of manually composing the ID with PCI_DEVID() from dev->bus->number and dev->devfn. [bhelgaas: commit log] Link: https://lore.kernel.org/r/20230807134858.116051-4-wangxiongfeng2@huawei.com Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/iov.c')
-rw-r--r--drivers/pci/iov.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b2e8322755c1..25dbe85c4217 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -41,8 +41,7 @@ int pci_iov_vf_id(struct pci_dev *dev)
return -EINVAL;
pf = pci_physfn(dev);
- return (((dev->bus->number << 8) + dev->devfn) -
- ((pf->bus->number << 8) + pf->devfn + pf->sriov->offset)) /
+ return (pci_dev_id(dev) - (pci_dev_id(pf) + pf->sriov->offset)) /
pf->sriov->stride;
}
EXPORT_SYMBOL_GPL(pci_iov_vf_id);