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| author | Bjorn Helgaas | 2018-01-31 17:10:32 +0100 |
|---|---|---|
| committer | Bjorn Helgaas | 2018-01-31 17:10:32 +0100 |
| commit | 412ee7cd3dc581a37b7d15a5147a556e45445be1 (patch) | |
| tree | 3a2acd8e946a8f335c8a7671941733a35c72c58e /arch/powerpc/kernel | |
| parent | Merge branch 'pci/hotplug' into next (diff) | |
| parent | PCI: Add dummy pci_irqd_intx_xlate() for CONFIG_PCI=n build (diff) | |
| download | kernel-qcow2-linux-412ee7cd3dc581a37b7d15a5147a556e45445be1.tar.gz kernel-qcow2-linux-412ee7cd3dc581a37b7d15a5147a556e45445be1.tar.xz kernel-qcow2-linux-412ee7cd3dc581a37b7d15a5147a556e45445be1.zip | |
Merge branch 'pci/misc' into next
* pci/misc:
PCI: Add dummy pci_irqd_intx_xlate() for CONFIG_PCI=n build
PCI: Add wrappers for dev_printk()
PCI: Remove unnecessary messages for memory allocation failures
PCI: Add #defines for Completion Timeout Disable feature
hinic: Replace PCI pool old API
net: e100: Replace PCI pool old API
block: DAC960: Replace PCI pool old API
MAINTAINERS: Include more PCI files
PCI: Remove unneeded kallsyms include
powerpc/pci: Unroll two pass loop when scanning bridges
powerpc/pci: Use for_each_pci_bridge() helper
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/pci-hotplug.c | 20 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_of_scan.c | 7 |
2 files changed, 14 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c index 2d71269e7dc1..cf47b1aec4c2 100644 --- a/arch/powerpc/kernel/pci-hotplug.c +++ b/arch/powerpc/kernel/pci-hotplug.c @@ -104,7 +104,7 @@ EXPORT_SYMBOL_GPL(pci_hp_remove_devices); */ void pci_hp_add_devices(struct pci_bus *bus) { - int slotno, mode, pass, max; + int slotno, mode, max; struct pci_dev *dev; struct pci_controller *phb; struct device_node *dn = pci_bus_to_OF_node(bus); @@ -133,13 +133,17 @@ void pci_hp_add_devices(struct pci_bus *bus) pci_scan_slot(bus, PCI_DEVFN(slotno, 0)); pcibios_setup_bus_devices(bus); max = bus->busn_res.start; - for (pass = 0; pass < 2; pass++) { - list_for_each_entry(dev, &bus->devices, bus_list) { - if (pci_is_bridge(dev)) - max = pci_scan_bridge(bus, dev, - max, pass); - } - } + /* + * Scan bridges that are already configured. We don't touch + * them unless they are misconfigured (which will be done in + * the second scan below). + */ + for_each_pci_bridge(dev, bus) + max = pci_scan_bridge(bus, dev, max, 0); + + /* Scan bridges that need to be reconfigured */ + for_each_pci_bridge(dev, bus) + max = pci_scan_bridge(bus, dev, max, 1); } pcibios_finish_adding_to_bus(bus); } diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 0d790f8432d2..8bdaa2a6fa62 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -369,11 +369,8 @@ static void __of_scan_bus(struct device_node *node, struct pci_bus *bus, pcibios_setup_bus_devices(bus); /* Now scan child busses */ - list_for_each_entry(dev, &bus->devices, bus_list) { - if (pci_is_bridge(dev)) { - of_scan_pci_bridge(dev); - } - } + for_each_pci_bridge(dev, bus) + of_scan_pci_bridge(dev); } /** |