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-rw-r--r--src/soc/intel/alderlake/acpi/tcss.asl2
-rw-r--r--src/soc/intel/alderlake/pmc.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/acpi/tcss.asl b/src/soc/intel/alderlake/acpi/tcss.asl
index 66aa908709..87aeb73b8d 100644
--- a/src/soc/intel/alderlake/acpi/tcss.asl
+++ b/src/soc/intel/alderlake/acpi/tcss.asl
@@ -329,6 +329,8 @@ Scope (\_SB.PCI0)
Name (_CRS, ResourceTemplate () {
Memory32Fixed (ReadWrite, IOM_BASE_ADDRESS, IOM_BASE_SIZE)
})
+ /* Hide the device so that Windows does not complain on missing driver */
+ Name (_STA, 0xB)
}
/*
diff --git a/src/soc/intel/alderlake/pmc.c b/src/soc/intel/alderlake/pmc.c
index 7358fb669d..87cc54a4f8 100644
--- a/src/soc/intel/alderlake/pmc.c
+++ b/src/soc/intel/alderlake/pmc.c
@@ -107,6 +107,8 @@ static void soc_pmc_fill_ssdt(const struct device *dev)
acpigen_write_name_string("_HID", PMC_HID);
acpigen_write_name_string("_DDN", "Intel(R) Alder Lake IPC Controller");
+ /* Hide the device so that Windows does not complain on missing driver */
+ acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON);
/*
* Part of the PCH's reserved 32 MB MMIO range (0xFC800000 - 0xFE7FFFFF).