diff --git a/reactos/drivers/bus/acpi/buspdo.c b/reactos/drivers/bus/acpi/buspdo.c index 2ba64091101..17d467303f1 100644 --- a/reactos/drivers/bus/acpi/buspdo.c +++ b/reactos/drivers/bus/acpi/buspdo.c @@ -1269,7 +1269,7 @@ Bus_PDO_QueryResourceRequirements( /* Fill resources list structure */ resource = Buffer.Pointer; - while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG) + while (resource->Type != ACPI_RESOURCE_TYPE_END_TAG && resource->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT) { switch (resource->Type) { @@ -1280,7 +1280,7 @@ Bus_PDO_QueryResourceRequirements( break; for (i = 0; i < irq_data->InterruptCount; i++) { - RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED; + RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE; RequirementDescriptor->Type = CmResourceTypeInterrupt; RequirementDescriptor->ShareDisposition = (irq_data->Sharable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive); RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED); @@ -1296,7 +1296,7 @@ Bus_PDO_QueryResourceRequirements( ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*) &resource->Data; for (i = 0; i < irq_data->InterruptCount; i++) { - RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED; + RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE; RequirementDescriptor->Type = CmResourceTypeInterrupt; RequirementDescriptor->ShareDisposition = (irq_data->Sharable == ACPI_SHARED ? CmResourceShareShared : CmResourceShareDeviceExclusive); RequirementDescriptor->Flags =(irq_data->Triggering == ACPI_LEVEL_SENSITIVE ? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE : CM_RESOURCE_INTERRUPT_LATCHED); @@ -1329,7 +1329,7 @@ Bus_PDO_QueryResourceRequirements( case ACPI_TRANSFER_8_16: RequirementDescriptor->Flags |= CM_RESOURCE_DMA_8_AND_16; break; } - RequirementDescriptor->Option = CurrentRes ? 0 : IO_RESOURCE_PREFERRED; + RequirementDescriptor->Option = (i == 0) ? IO_RESOURCE_PREFERRED : IO_RESOURCE_ALTERNATIVE; RequirementDescriptor->ShareDisposition = CmResourceShareDriverExclusive; RequirementDescriptor->u.Dma.MinimumChannel = RequirementDescriptor->u.Dma.MaximumChannel = dma_data->Channels[i];