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According to MSDN: "PnP Manager queries a device's BusRelations (child devices) when the device is enumerated".

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This change implements this behaviour in reactos (thanks Filip Navara for providing this good idea). Before, querying BusRelations was done only for ACPI/BUS_EXTENDER DeviceType.

svn path=/trunk/; revision=19349
This commit is contained in:
Aleksey Bragin
2005-11-19 19:10:13 +00:00
parent 407573dbb8
commit e9bd48433d
1 changed files with 4 additions and 4 deletions
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reactos/ntoskrnl/io/device.c
+4 -4
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@@ -121,6 +121,7 @@ IopInitializeDevice(PDEVICE_NODE DeviceNode,
}
IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
IopDeviceNodeSetFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
}
return STATUS_SUCCESS;
@@ -153,12 +154,11 @@ IopStartDevice(
}
else
{
if (Fdo->DeviceType == FILE_DEVICE_BUS_EXTENDER ||
Fdo->DeviceType == FILE_DEVICE_ACPI)
if (IopDeviceNodeHasFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY))
{
DPRINT("Bus extender found\n");
DPRINT("Device needs enumeration, invalidating bus relations\n");
Status = IopInvalidateDeviceRelations(DeviceNode, BusRelations);
IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
}
}