1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index 9c8345754f6a..ec33f270c5b7 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -90,6 +90,7 @@ static const struct acpi_port_info acpi_protected_ports[] = {
         {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
         {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
         {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
+        {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
         {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
         {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
         {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},