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authorBob Moore <robert.moore@intel.com>2017-11-18 00:42:18 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-11-27 01:20:31 +0100
commit53ae81e1896e8beb52c6d94fa2380f864e9bb4e7 (patch)
tree1640f1aacf95d2a1af478b508a0d52c5f1774618 /drivers/acpi/acpica/evregion.c
parentACPICA: Update output from ACPI_EXCEPTION macro (diff)
downloadlinux-53ae81e1896e8beb52c6d94fa2380f864e9bb4e7.tar.xz
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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/evregion.c')
-rw-r--r--drivers/acpi/acpica/evregion.c10
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 &