diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/nsxfname.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 0e4e6b7983cc..669e0f1b0967 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -267,6 +267,13 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, * * Note: Allocates the return buffer, must be freed by the caller. * + * Note: This interface is intended to be used during the initial device + * discovery namespace traversal. Therefore, no complex methods can be + * executed, especially those that access operation regions. Therefore, do + * not add any additional methods that could cause problems in this area. + * this was the fate of the _SUB method which was found to cause such + * problems and was removed (11/2015). + * ******************************************************************************/ acpi_status |