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pciehp: add message about pciehp_slot_with_bus option

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Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The pciehp driver already have a "slot_with_bus" module
option which adds the bus number into the slot name. This patch adds
the message about this module option that will be displayed when slot
name collision is detected.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Kenji Kaneshige 2008-05-27 19:07:33 +09:00 committed by Jesse Barnes
parent a86161b313
commit 9e4f2e8d4d
1 changed files with 5 additions and 1 deletions
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6
drivers/pci/hotplug/pciehp_core.c
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@ -254,7 +254,11 @@ static int init_slots(struct controller *ctrl)
slot->hp_slot, slot->number, ctrl->slot_device_offset);
retval = pci_hp_register(hotplug_slot);
if (retval) {
err ("pci_hp_register failed with error %d\n", retval);
err("pci_hp_register failed with error %d\n", retval);
if (retval == -EEXIST)
err("Failed to register slot because of name "
"collision. Try \'pciehp_slot_with_bus\' "
"module option.\n");
goto error_info;
}
/* create additional sysfs entries */