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path: root/drivers/acpi/acpica/exconvrt.c
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Diffstat (limited to 'drivers/acpi/acpica/exconvrt.c')
-rw-r--r--drivers/acpi/acpica/exconvrt.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index f71028e334ee..23ebadb06a95 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -57,10 +57,10 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length);
*
* FUNCTION: acpi_ex_convert_to_integer
*
- * PARAMETERS: obj_desc - Object to be converted. Must be an
- * Integer, Buffer, or String
- * result_desc - Where the new Integer object is returned
- * flags - Used for string conversion
+ * PARAMETERS: obj_desc - Object to be converted. Must be an
+ * Integer, Buffer, or String
+ * result_desc - Where the new Integer object is returned
+ * implicit_conversion - Used for string conversion
*
* RETURN: Status
*
@@ -70,14 +70,14 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length);
acpi_status
acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
- union acpi_operand_object **result_desc, u32 flags)
+ union acpi_operand_object **result_desc,
+ u32 implicit_conversion)
{
union acpi_operand_object *return_desc;
u8 *pointer;
u64 result;
u32 i;
u32 count;
- acpi_status status;
ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc);
@@ -123,12 +123,18 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
* hexadecimal as per the ACPI specification. The only exception (as
* of ACPI 3.0) is that the to_integer() operator allows both decimal
* and hexadecimal strings (hex prefixed with "0x").
+ *
+ * Explicit conversion is used only by to_integer.
+ * All other string-to-integer conversions are implicit conversions.
*/
- status = acpi_ut_strtoul64(ACPI_CAST_PTR(char, pointer),
- (acpi_gbl_integer_byte_width |
- flags), &result);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ if (implicit_conversion) {
+ result =
+ acpi_ut_implicit_strtoul64(ACPI_CAST_PTR
+ (char, pointer));
+ } else {
+ result =
+ acpi_ut_explicit_strtoul64(ACPI_CAST_PTR
+ (char, pointer));
}
break;
@@ -631,7 +637,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
*/
status =
acpi_ex_convert_to_integer(source_desc, result_desc,
- ACPI_STRTOUL_BASE16);
+ ACPI_IMPLICIT_CONVERSION);
break;
case ACPI_TYPE_STRING: