diff options
| author | Yijing Wang <wangyijing@huawei.com> | 2014-05-04 08:23:38 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-05-28 00:53:41 +0400 |
| commit | 6788a51fe3391817c8ded5f43dd4c57f3d212c17 (patch) | |
| tree | 499f69d27cb71ccdd3127cc030e2bf96e1fcbe02 /drivers/pci | |
| parent | 1c86438c9423a26cc9f7f74a8950d9cf9c93bc23 (diff) | |
| download | linux-6788a51fe3391817c8ded5f43dd4c57f3d212c17.tar.xz | |
PCI: Use pci_is_bridge() to simplify code
Use pci_is_bridge() to simplify code. No functional change.
Requires: 326c1cdae741 PCI: Rename pci_is_bridge() to pci_has_subordinate()
Requires: 1c86438c9423 PCI: Add new pci_is_bridge() interface
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 8 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 3 | ||||
| -rw-r--r-- | drivers/pci/setup-bus.c | 4 |
3 files changed, 3 insertions, 12 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index f49abef88485..ca4927ba8433 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -309,13 +309,7 @@ static struct acpi_device *acpi_pci_find_companion(struct device *dev) bool check_children; u64 addr; - /* - * pci_is_bridge() is not suitable here, because pci_dev->subordinate - * is set only after acpi_pci_find_device() has been called for the - * given device. - */ - check_children = pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE - || pci_dev->hdr_type == PCI_HEADER_TYPE_CARDBUS; + check_children = pci_is_bridge(pci_dev); /* Please ref to ACPI spec for the syntax of _ADR */ addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn); return acpi_find_child_device(ACPI_COMPANION(dev->parent), addr, diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index ef09f5f2fe6c..f831dd80fa2d 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1670,8 +1670,7 @@ unsigned int pci_scan_child_bus(struct pci_bus *bus) for (pass=0; pass < 2; pass++) list_for_each_entry(dev, &bus->devices, bus_list) { - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || - dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) + if (pci_is_bridge(dev)) max = pci_scan_bridge(bus, dev, max, pass); } diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 138bdd6393be..e399d00ed5fb 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1629,9 +1629,7 @@ void pci_assign_unassigned_bus_resources(struct pci_bus *bus) down_read(&pci_bus_sem); list_for_each_entry(dev, &bus->devices, bus_list) - if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || - dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) - if (dev->subordinate) + if (pci_is_bridge(dev) && pci_has_subordinate(dev)) __pci_bus_size_bridges(dev->subordinate, &add_list); up_read(&pci_bus_sem); |