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Diffstat (limited to 'sys/dev/acpica/acpi.c')
-rw-r--r--sys/dev/acpica/acpi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index cd465fdce72b..a2ea69086559 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -2260,6 +2260,15 @@ acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status)
/* Never disable PCI link devices. */
if (acpi_MatchHid(handle, "PNP0C0F"))
break;
+
+ /*
+ * RTC Device should be enabled for CMOS register space
+ * unless FADT indicate it is not present.
+ * (checked in RTC probe routine.)
+ */
+ if (acpi_MatchHid(handle, "PNP0B00"))
+ break;
+
/*
* Docking stations should remain enabled since the system
* may be undocked at boot.