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shpchp: add message about shpchp_slot_with_bus option 

Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The shpchp 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 19:08:23 +09:00 committed by Jesse Barnes
parent ddc9753fcd
commit b3bd307c62
1 changed files with 4 additions and 0 deletions
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4
drivers/pci/hotplug/shpchp_core.c
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@ -162,6 +162,10 @@ static int init_slots(struct controller *ctrl)
retval = pci_hp_register(slot->hotplug_slot);
if (retval) {
err("pci_hp_register failed with error %d\n", retval);
if (retval == -EEXIST)
err("Failed to register slot because of name "
"collision. Try \'shpchp_slot_with_bus\' "
"module option.\n");
goto error_info;
}