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path: root/drivers/acpi/acpica/nsarguments.c
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Diffstat (limited to 'drivers/acpi/acpica/nsarguments.c')
-rw-r--r--drivers/acpi/acpica/nsarguments.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c
index 9095d51f6b37..67b7370dcae5 100644
--- a/drivers/acpi/acpica/nsarguments.c
+++ b/drivers/acpi/acpica/nsarguments.c
@@ -69,9 +69,14 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
u8 user_arg_type;
u32 i;
- /* If not a predefined name, cannot typecheck args */
-
- if (!info->predefined) {
+ /*
+ * If not a predefined name, cannot typecheck args, because
+ * we have no idea what argument types are expected.
+ * Also, ignore typecheck if warnings/errors if this method
+ * has already been evaluated at least once -- in order
+ * to suppress repetitive messages.
+ */
+ if (!info->predefined || (info->node->flags & ANOBJ_EVALUATED)) {
return;
}
@@ -93,6 +98,10 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
acpi_ut_get_type_name
(user_arg_type),
acpi_ut_get_type_name(arg_type)));
+
+ /* Prevent any additional typechecking for this method */
+
+ info->node->flags |= ANOBJ_EVALUATED;
}
}
}
@@ -121,7 +130,7 @@ acpi_ns_check_acpi_compliance(char *pathname,
u32 aml_param_count;
u32 required_param_count;
- if (!predefined) {
+ if (!predefined || (node->flags & ANOBJ_EVALUATED)) {
return;
}
@@ -215,6 +224,10 @@ acpi_ns_check_argument_count(char *pathname,
u32 aml_param_count;
u32 required_param_count;
+ if (node->flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
if (!predefined) {
/*
* Not a predefined name. Check the incoming user argument count