[Intel-gfx] [PATCH v6 2/3] ACPI / bus: Add INT0002 to list of always-present devices

Hans de Goede hdegoede at redhat.com
Tue Apr 18 11:54:24 UTC 2017


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
---
 drivers/acpi/bus.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index eb30630..6fa177c 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -167,6 +167,11 @@ static const struct always_present_device_id always_present_device_ids[] = {
 	 * but Linux uses a separate PWM driver, harmless if not used.
 	 */
 	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)),
 };
 #endif
 
-- 
2.9.3



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