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[HAL]

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- Simplify device extension setup
- Allocate memory for existing PDOs in the device relations struct

svn path=/trunk/; revision=53325
This commit is contained in:
Cameron Gutman 2011-08-19 20:56:39 +00:00
parent 8f165f8f05
commit e39c07a7a2
1 changed files with 16 additions and 11 deletions
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27
reactos/hal/halx86/generic/acpi/halpnpdd.c
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@ -82,6 +82,7 @@ HalpAddDevice(IN PDRIVER_OBJECT DriverObject,
FdoExtension->ExtensionType = FdoExtensionType;
FdoExtension->PhysicalDeviceObject = TargetDevice;
FdoExtension->FunctionalDeviceObject = DeviceObject;
FdoExtension->ChildPdoList = NULL;
/* FDO is done initializing */
DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
@ -115,26 +116,24 @@ HalpAddDevice(IN PDRIVER_OBJECT DriverObject,
/* Setup the PDO device extension */
PdoExtension = PdoDeviceObject->DeviceExtension;
PdoExtension->Next = NULL;
PdoExtension->ExtensionType = PdoExtensionType;
PdoExtension->PhysicalDeviceObject = PdoDeviceObject;
PdoExtension->ParentFdoExtension = FdoExtension;
PdoExtension->PdoType = AcpiPdo;
/* Add the PDO to the head of the list */
PdoExtension->Next = FdoExtension->ChildPdoList;
FdoExtension->ChildPdoList = PdoExtension;
/* Initialization is finished */
PdoDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
/* Find the ACPI watchdog table */
Wdrt = HalAcpiGetTable(0, 'TRDW');
if (!Wdrt)
{
/* None exists, there is nothing to do more */
PdoDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
FdoExtension->ChildPdoList = PdoExtension;
}
else
if (Wdrt)
{
/* FIXME: TODO */
DPRINT1("You have an ACPI Watchdog. That's great! You should be proud ;-)\n");
PdoDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
FdoExtension->ChildPdoList = PdoExtension;
}
/* Invalidate device relations since we added a new device */
@ -191,7 +190,13 @@ HalpQueryDeviceRelations(IN PDEVICE_OBJECT DeviceObject,
PdoExtension = PdoExtension->Next;
PdoCount++;
}
/* Add the PDOs that already exist in the device relations */
if (*DeviceRelations)
{
PdoCount += (*DeviceRelations)->Count;
}
/* Allocate our structure */
FdoRelations = ExAllocatePoolWithTag(PagedPool,
FIELD_OFFSET(DEVICE_RELATIONS,