[Intel-gfx] [PATCH v8 2/2] ACPI / bus: Add INT0002 to list of always-present devices

[Hans de Goede]

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 <hdegoede at redhat.com>
---
Changes in v6:
-This is a new patch in v6 of this patch-set
Changes in v7:
-Adjust for the always present devices table being moved to
 drivers/acpi/x86/x86_utils.c
---
 drivers/acpi/x86/x86_utils.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/x86/x86_utils.c b/drivers/acpi/x86/x86_utils.c
index 74f1237..98d875a 100644
--- a/drivers/acpi/x86/x86_utils.c
+++ b/drivers/acpi/x86/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)
-- 
2.9.3