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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-04-17 14:59:10 +0200
committerMax Krummenacher <max.krummenacher@toradex.com>2018-06-21 09:28:23 +0200
commite51cf8fbda64efa958ad9d5cf0bc5fd47559c12d (patch)
tree2897fe8763f9482ef19c0a9e0fe77ca0dc30064a
parent74a1b62047e5ce185b5ac576160657d33761f06d (diff)
Revert "PCI: Do not allocate more buses than available in parent"
This reverts commit 9a4bf05126f42c2632729ab0da503021d74ed454. With this commit the PCIe enumaration fails. A follow up commit further addresses the issue. Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
-rw-r--r--drivers/pci/probe.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a98be6db7e93..60bada90cd75 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -932,8 +932,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
child = pci_add_new_bus(bus, dev, max+1);
if (!child)
goto out;
- pci_bus_insert_busn_res(child, max+1,
- bus->busn_res.end);
+ pci_bus_insert_busn_res(child, max+1, 0xff);
}
max++;
buses = (buses & 0xff000000)
@@ -2137,10 +2136,6 @@ unsigned int pci_scan_child_bus(struct pci_bus *bus)
if (bus->self && bus->self->is_hotplug_bridge && pci_hotplug_bus_size) {
if (max - bus->busn_res.start < pci_hotplug_bus_size - 1)
max = bus->busn_res.start + pci_hotplug_bus_size - 1;
-
- /* Do not allocate more buses than we have room left */
- if (max > bus->busn_res.end)
- max = bus->busn_res.end;
}
/*