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ACPICA: Add an additional error message for EC timeouts
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ACPICA commit 24dd370b14711b7b3f31d7ca6326f9e0bd177c4e

AE_TIME is seen to be returned from the EC driver/handler so
often that an additional error message is added to help
clarify the problem.

Link: https://github.com/acpica/acpica/commit/24dd370b
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored and Rafael J. Wysocki committed Nov 27, 2017
1 parent e814109 commit 53ae81e
Showing 1 changed file with 10 additions and 0 deletions.
10 changes: 10 additions & 0 deletions drivers/acpi/acpica/evregion.c
Original file line number Diff line number Diff line change
@@ -298,6 +298,16 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
ACPI_EXCEPTION((AE_INFO, status, "Returned by Handler for [%s]",
acpi_ut_get_region_name(region_obj->region.
space_id)));

/*
* Special case for an EC timeout. These are seen so frequently
* that an additional error message is helpful
*/
if ((region_obj->region.space_id == ACPI_ADR_SPACE_EC) &&
(status == AE_TIME)) {
ACPI_ERROR((AE_INFO,
"Timeout from EC hardware or EC device driver"));
}
}

if (!(handler_desc->address_space.handler_flags &

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