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| author | Bob Moore <robert.moore@intel.com> | 2017-11-17 15:42:18 -0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-11-27 01:20:31 +0100 |
| commit | 53ae81e1896e8beb52c6d94fa2380f864e9bb4e7 (patch) | |
| tree | 1640f1aacf95d2a1af478b508a0d52c5f1774618 /drivers/acpi/acpica | |
| parent | e814109bee1aba30c650418e7412adb89654057b (diff) | |
| download | lwn-53ae81e1896e8beb52c6d94fa2380f864e9bb4e7.tar.gz lwn-53ae81e1896e8beb52c6d94fa2380f864e9bb4e7.zip | |
ACPICA: Add an additional error message for EC timeouts
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>
Diffstat (limited to 'drivers/acpi/acpica')
| -rw-r--r-- | drivers/acpi/acpica/evregion.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 28b447ff92df..bb58419f0d61 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -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 & |