diff options
| -rw-r--r-- | drivers/acpi/namespace/nsxfeval.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c index b92133faf5b7..cd97c80eb8ee 100644 --- a/drivers/acpi/namespace/nsxfeval.c +++ b/drivers/acpi/namespace/nsxfeval.c @@ -467,10 +467,13 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, return (AE_CTRL_DEPTH); } - if (!(flags & ACPI_STA_DEVICE_PRESENT)) { - - /* Don't examine children of the device if not present */ - + if (!(flags & ACPI_STA_DEVICE_PRESENT) && + !(flags & ACPI_STA_DEVICE_FUNCTIONING)) { + /* + * Don't examine the children of the device only when the + * device is neither present nor functional. See ACPI spec, + * description of _STA for more information. + */ return (AE_CTRL_DEPTH); } @@ -539,7 +542,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, * value is returned to the caller. * * This is a wrapper for walk_namespace, but the callback performs - * additional filtering. Please see acpi_get_device_callback. + * additional filtering. Please see acpi_ns_get_device_callback. * ******************************************************************************/ |