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PCI: Use pci_is_bridge() to simplify code

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Use pci_is_bridge() to simplify code.  No functional change.

Requires: 326c1cdae7 PCI: Rename pci_is_bridge() to pci_has_subordinate()
Requires: 1c86438c94 PCI: Add new pci_is_bridge() interface
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang 2014-05-04 12:23:38 +08:00 committed by Bjorn Helgaas
parent 1c86438c94
commit 6788a51fe3
3 changed files with 3 additions and 12 deletions
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8
drivers/pci/pci-acpi.c
View File

@ -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,

3
drivers/pci/probe.c
View File

@ -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);
}

4
drivers/pci/setup-bus.c
View File

@ -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);