aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/dispatcher
diff options
context:
space:
mode:
authorBob Moore <robert.moore@intel.com>2007-02-02 11:48:18 -0500
committerLen Brown <len.brown@intel.com>2007-02-02 21:14:21 -0500
commit9c52657a2ac8aac5149e11049497b10918e1f58f (patch)
tree32f4720bf911efad34cbc4b72c1374f62cf8813f /drivers/acpi/dispatcher
parent6b366e2fe1b68bd9af55caf166eaaf0609ba18a9 (diff)
ACPICA: Temporary fix for BankValue parameter
Temporary fix for BankValue parameter of a Bank Field to support all constant values, including Zero and One. Must eventually be converted to a full TermArg evaluation. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/dispatcher')
-rw-r--r--drivers/acpi/dispatcher/dsfield.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index a6d77efb41a0..379dd71f55eb 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -133,7 +133,8 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
133 } 133 }
134 } 134 }
135 135
136 /* We could put the returned object (Node) on the object stack for later, 136 /*
137 * We could put the returned object (Node) on the object stack for later,
137 * but for now, we will put it in the "op" object that the parser uses, 138 * but for now, we will put it in the "op" object that the parser uses,
138 * so we can get it again at the end of this scope 139 * so we can get it again at the end of this scope
139 */ 140 */
@@ -514,8 +515,33 @@ acpi_ds_create_bank_field(union acpi_parse_object *op,
514 515
515 /* Third arg is the bank_value */ 516 /* Third arg is the bank_value */
516 517
518 /* TBD: This arg is a term_arg, not a constant, and must be evaluated */
519
517 arg = arg->common.next; 520 arg = arg->common.next;
518 info.bank_value = (u32) arg->common.value.integer; 521
522 /* Currently, only the following constants are supported */
523
524 switch (arg->common.aml_opcode) {
525 case AML_ZERO_OP:
526 info.bank_value = 0;
527 break;
528
529 case AML_ONE_OP:
530 info.bank_value = 1;
531 break;
532
533 case AML_BYTE_OP:
534 case AML_WORD_OP:
535 case AML_DWORD_OP:
536 case AML_QWORD_OP:
537 info.bank_value = (u32) arg->common.value.integer;
538 break;
539
540 default:
541 info.bank_value = 0;
542 ACPI_ERROR((AE_INFO,
543 "Non-constant BankValue for BankField is not implemented"));
544 }
519 545
520 /* Fourth arg is the field flags */ 546 /* Fourth arg is the field flags */
521 547