From 753a448c27a0238dc1db58cd6954e8ef511a97e1 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Fri, 21 Apr 2017 12:47:41 +0200 Subject: ACPI / bus: Add INT0002 to list of always-present devices The INT0002 device is necessary to clear wakeup interrupt sources on Cherry Trail devices, without it we get nobody cared IRQ msgs and some systems don't properly resume at all without it. Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki --- drivers/acpi/x86/utils.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/acpi') diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index c8e90ef4485f..bd86b809c848 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -49,6 +49,11 @@ static const struct always_present_id always_present_ids[] = { */ ENTRY("80860F09", "1", ICPU(INTEL_FAM6_ATOM_SILVERMONT1)), ENTRY("80862288", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT)), + /* + * The INT0002 device is necessary to clear wakeup interrupt sources + * on Cherry Trail devices, without it we get nobody cared IRQ msgs. + */ + ENTRY("INT0002", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT)), }; bool acpi_device_always_present(struct acpi_device *adev) -- cgit v1.2.3