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ACPICA: Parser: Allow method invocations as target operands

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ACPICA commit a6cca7a4786cdbfd29cea67e84b5b01a8ae6ff1c

Method invocations as target operands are allowed as target
operands in the ASL grammar. This change implements support
for this. Method must return a reference for this to work
properly at runtime, however.

Link: https://github.com/acpica/acpica/commit/a6cca7a4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore
2016-12-28 15:29:43 +08:00
committed by Rafael J. Wysocki
parent 74e30f96ad
commit ce87e09dd8
4 changed files with 67 additions and 39 deletions
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10
drivers/acpi/acpica/psobject.c
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@@ -348,7 +348,15 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state,
argument_count) {
op->common.flags |= ACPI_PARSEOP_TARGET;
}
} else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) {
}
/*
* Special case for both Increment() and Decrement(), where
* the lone argument is both a source and a target.
*/
else if ((parent_scope->common.aml_opcode == AML_INCREMENT_OP)
|| (parent_scope->common.aml_opcode ==
AML_DECREMENT_OP)) {
op->common.flags |= ACPI_PARSEOP_TARGET;
}
}