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| author | Hans de Goede <hdegoede@redhat.com> | 2017-04-21 12:47:41 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-04-27 00:02:44 +0200 |
| commit | 753a448c27a0238dc1db58cd6954e8ef511a97e1 (patch) | |
| tree | 48318e2ccf62209004315ae432521b505b5f5354 /drivers/acpi/x86 | |
| parent | b7ecf663c75eed1e764f57281f9508c49c18516e (diff) | |
| download | lwn-753a448c27a0238dc1db58cd6954e8ef511a97e1.tar.gz lwn-753a448c27a0238dc1db58cd6954e8ef511a97e1.zip | |
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 <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/x86')
| -rw-r--r-- | drivers/acpi/x86/utils.c | 5 |
1 files changed, 5 insertions, 0 deletions
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) |