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authorBob Moore <robert.moore@intel.com>2010-05-26 11:03:56 +0800
committerLen Brown <len.brown@intel.com>2010-07-06 22:33:54 -0400
commitaa9d36060fb7480a5907660b7ba61c3fda20fc61 (patch)
tree5b8a85701f1a758984456664e9def711d1422097 /drivers/acpi/acpica
parent815c4163b6c8ebf8152f42b0a5fd015cfdcedc78 (diff)
downloadlinux-aa9d36060fb7480a5907660b7ba61c3fda20fc61.tar.bz2
ACPICA: Add comment: _BCL cannot be sorted on the fly
Because of package index values used for _BQC and _BCM. 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>
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r--drivers/acpi/acpica/nsrepair2.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 61bd0f6755d2..4009498fbabd 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -112,6 +112,13 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
* _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
* _PSS: Sort the list descending by Power
* _TSS: Sort the list descending by Power
+ *
+ * Names that must be packages, but cannot be sorted:
+ *
+ * _BCL: Values are tied to the Package index where they appear, and cannot
+ * be moved or sorted. These index values are used for _BQC and _BCM.
+ * However, we can fix the case where a buffer is returned, by converting
+ * it to a Package of integers.
*/
static const struct acpi_repair_info acpi_ns_repairable_names[] = {
{"_ALR", acpi_ns_repair_ALR},