[PATCH 03/13] PCI: Use new pci_is_bridge() to simplify code
From: Yijing Wang <hidden>
Date: 2014-04-25 09:19:59
Also in:
lkml, sparclinux
Subsystem:
acpi, pci subsystem, the rest · Maintainers:
"Rafael J. Wysocki", Bjorn Helgaas, Linus Torvalds
Now we can use new pci_is_bridge() helper function to simplify code. Signed-off-by: Yijing Wang <redacted> --- drivers/pci/pci-acpi.c | 8 +------- drivers/pci/probe.c | 3 +-- 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 f49abef..ca4927b 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 ef09f5f..f831dd8 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 138bdd6..e399d00 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);
--
1.7.1