diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exprep.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exprep.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/contrib/dev/acpica/exprep.c b/sys/contrib/dev/acpica/exprep.c index 951901c330ca..76fe51e16dbb 100644 --- a/sys/contrib/dev/acpica/exprep.c +++ b/sys/contrib/dev/acpica/exprep.c @@ -2,7 +2,7 @@ /****************************************************************************** * * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities - * $Revision: 89 $ + * $Revision: 90 $ * *****************************************************************************/ @@ -260,7 +260,7 @@ AcpiExPrepCommonFieldObject ( return_ACPI_STATUS (AE_AML_OPERAND_VALUE); } - /* Setup granularity-based fields */ + /* Setup width (access granularity) fields */ ObjDesc->CommonField.AccessBitWidth = (UINT8) AccessBitWidth; /* 8, 16, 32, 64 */ ObjDesc->CommonField.AccessByteWidth = (UINT8) DIV_8 (AccessBitWidth); /* 1, 2, 4, 8 */ @@ -274,6 +274,7 @@ AcpiExPrepCommonFieldObject ( AccessBitWidth = 8; } + /* * BaseByteOffset is the address of the start of the field within the region. It is * the byte address of the first *datum* (field-width data unit) of the field. @@ -281,7 +282,7 @@ AcpiExPrepCommonFieldObject ( */ NearestByteAddress = ROUND_BITS_DOWN_TO_BYTES (FieldBitPosition); ObjDesc->CommonField.BaseByteOffset = ROUND_DOWN (NearestByteAddress, - ObjDesc->CommonField.AccessByteWidth); + DIV_8 (AccessBitWidth)); /* * StartFieldBitOffset is the offset of the first bit of the field within a field datum. |