summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/pci-hotplug.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2018-02-07 15:54:20 -0700
committerJens Axboe <axboe@kernel.dk>2018-02-07 15:54:20 -0700
commit61a695184fcc8f225327206b88320279dd8684af (patch)
tree6cbda2b0e7de94ebad95072d17cc0aa82c9d8ab3 /arch/powerpc/kernel/pci-hotplug.c
parent9e05c864993c5442227f83ae1694a737d7a102ed (diff)
parent581e400ff935d34d95811258586128bf11baef15 (diff)
Merge branch 'master' into test
* master: (1190 commits) ASoC: stm32: add of dependency for stm32 drivers ASoC: mt8173-rt5650: fix child-node lookup ASoC: dapm: fix debugfs read using path->connected platform/x86: samsung-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro platform/x86: ideapad-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro platform/x86: dell-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro seq_file: Introduce DEFINE_SHOW_ATTRIBUTE() helper macro Documentation/sysctl/user.txt: fix typo MAINTAINERS: update ARM/QUALCOMM SUPPORT patterns MAINTAINERS: update various PALM patterns MAINTAINERS: update "ARM/OXNAS platform support" patterns MAINTAINERS: update Cortina/Gemini patterns MAINTAINERS: remove ARM/CLKDEV SUPPORT file pattern MAINTAINERS: remove ANDROID ION pattern mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors mm: docs: fix parameter names mismatch mm: docs: fixup punctuation pipe: read buffer limits atomically pipe: simplify round_pipe_size() pipe: reject F_SETPIPE_SZ with size over UINT_MAX ...
Diffstat (limited to 'arch/powerpc/kernel/pci-hotplug.c')
-rw-r--r--arch/powerpc/kernel/pci-hotplug.c20
1 files changed, 12 insertions, 8 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);
}