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Show First 20 Lines • Show All 2,163 Lines • ▼ Show 20 Lines	acpi_DeviceIsPresent(device_t dev)
ACPI_DEVICE_INFO *devinfo;		ACPI_DEVICE_INFO *devinfo;
ACPI_HANDLE h;		ACPI_HANDLE h;
BOOLEAN present;		BOOLEAN present;

if ((h = acpi_get_handle(dev)) == NULL \|\|		if ((h = acpi_get_handle(dev)) == NULL \|\|
ACPI_FAILURE(AcpiGetObjectInfo(h, &devinfo)))		ACPI_FAILURE(AcpiGetObjectInfo(h, &devinfo)))
return (FALSE);		return (FALSE);

		/* Onboard serial ports on certain AMD motherboards have an invalid _STA
		* method that always returns 0. Force them to always be treated as present.
		*
		* This may solely be a quirk of a preproduction BIOS.
		*/
		if (acpi_MatchHid(h, "AMDI0020") \|\| acpi_MatchHid(h, "AMDI0010"))
		return (TRUE);

/* If no _STA method, must be present */		/* If no _STA method, must be present */
present = (devinfo->Valid & ACPI_VALID_STA) == 0 \|\|		present = (devinfo->Valid & ACPI_VALID_STA) == 0 \|\|
ACPI_DEVICE_PRESENT(devinfo->CurrentStatus) ? TRUE : FALSE;		ACPI_DEVICE_PRESENT(devinfo->CurrentStatus) ? TRUE : FALSE;

AcpiOsFree(devinfo);		AcpiOsFree(devinfo);
return (present);		return (present);
}		}

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