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ACPICA: Add more methods eligible for NULL package element removal

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This change adds another group of predefined names to the list
of names eligible to have NULL package elements dynamically
removed. This group is the names that return a single
variable-length package containing simple data types such
as integers, buffers, strings. This includes: _ALx,_BCL,_CID,
_DOD,_EDL,_FIX,_PCL,_PLD,_PMD,_PRx,_PSL,_Sx, and _TZD.

http://www.acpica.org/bugzilla/show_bug.cgi?id=914

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2011-04-13 13:15:58 +08:00 committed by Len Brown
parent 0f6896f195
commit 945488b9c5
1 changed files with 5 additions and 8 deletions
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13
drivers/acpi/acpica/nsrepair.c
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@ -74,7 +74,6 @@ ACPI_MODULE_NAME("nsrepair")
*
* Additional possible repairs:
*
* Optional/unnecessary NULL package elements removed
* Required package elements that are NULL replaced by Integer/String/Buffer
* Incorrect standalone package wrapped with required outer package
*
@ -623,16 +622,12 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
ACPI_FUNCTION_NAME(ns_remove_null_elements);
/*
* PTYPE1 packages contain no subpackages.
* PTYPE2 packages contain a variable number of sub-packages. We can
* safely remove all NULL elements from the PTYPE2 packages.
* We can safely remove all NULL elements from these package types:
* PTYPE1_VAR packages contain a variable number of simple data types.
* PTYPE2 packages contain a variable number of sub-packages.
*/
switch (package_type) {
case ACPI_PTYPE1_FIXED:
case ACPI_PTYPE1_VAR:
case ACPI_PTYPE1_OPTION:
return;
case ACPI_PTYPE2:
case ACPI_PTYPE2_COUNT:
case ACPI_PTYPE2_PKG_COUNT:
@ -642,6 +637,8 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
break;
default:
case ACPI_PTYPE1_FIXED:
case ACPI_PTYPE1_OPTION:
return;
}