diff options
Diffstat (limited to 'drivers/acpi/dispatcher')
| -rw-r--r-- | drivers/acpi/dispatcher/dsfield.c | 30 |
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, } } - /* We could put the returned object (Node) on the object stack for later, + /* + * We could put the returned object (Node) on the object stack for later, * but for now, we will put it in the "op" object that the parser uses, * so we can get it again at the end of this scope */ @@ -514,8 +515,33 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, /* Third arg is the bank_value */ + /* TBD: This arg is a term_arg, not a constant, and must be evaluated */ + arg = arg->common.next; - info.bank_value = (u32) arg->common.value.integer; + + /* Currently, only the following constants are supported */ + + switch (arg->common.aml_opcode) { + case AML_ZERO_OP: + info.bank_value = 0; + break; + + case AML_ONE_OP: + info.bank_value = 1; + break; + + case AML_BYTE_OP: + case AML_WORD_OP: + case AML_DWORD_OP: + case AML_QWORD_OP: + info.bank_value = (u32) arg->common.value.integer; + break; + + default: + info.bank_value = 0; + ACPI_ERROR((AE_INFO, + "Non-constant BankValue for BankField is not implemented")); + } /* Fourth arg is the field flags */ |