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path: root/drivers/acpi/acpica/exprep.c
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Diffstat (limited to 'drivers/acpi/acpica/exprep.c')
-rw-r--r--drivers/acpi/acpica/exprep.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 4c2836dc825b..1f111cc94c00 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
+ * Module Name: exprep - ACPI AML field prep utilities
*
*****************************************************************************/
@@ -103,8 +103,10 @@ acpi_ex_generate_access(u32 field_bit_offset,
/* Round Field start offset and length to "minimal" byte boundaries */
field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8));
- field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length +
- field_bit_offset, 8));
+
+ field_byte_end_offset =
+ ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length + field_bit_offset, 8));
+
field_byte_length = field_byte_end_offset - field_byte_offset;
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -159,7 +161,8 @@ acpi_ex_generate_access(u32 field_bit_offset,
if (accesses <= 1) {
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "Entire field can be accessed with one operation of size %u\n",
+ "Entire field can be accessed "
+ "with one operation of size %u\n",
access_byte_width));
return_VALUE(access_byte_width);
}
@@ -202,6 +205,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
*/
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Cannot access field in one operation, using width 8\n"));
+
return_VALUE(8);
}
#endif /* ACPI_UNDER_DEVELOPMENT */
@@ -281,6 +285,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
/* Invalid field access type */
ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
+
return_UINT32(0);
}
@@ -354,8 +359,8 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
* For all other access types (Byte, Word, Dword, Qword), the Bitwidth is
* the same (equivalent) as the byte_alignment.
*/
- access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags,
- &byte_alignment);
+ access_bit_width =
+ acpi_ex_decode_field_access(obj_desc, field_flags, &byte_alignment);
if (!access_bit_width) {
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
@@ -595,7 +600,8 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
access_byte_width);
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
- "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
+ "IndexField: BitOff %X, Off %X, Value %X, "
+ "Gran %X, Index %p, Data %p\n",
obj_desc->index_field.start_field_bit_offset,
obj_desc->index_field.base_byte_offset,
obj_desc->index_field.value,
@@ -615,8 +621,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
* Store the constructed descriptor (obj_desc) into the parent Node,
* preserving the current type of that named_obj.
*/
- status = acpi_ns_attach_object(info->field_node, obj_desc,
- acpi_ns_get_type(info->field_node));
+ status =
+ acpi_ns_attach_object(info->field_node, obj_desc,
+ acpi_ns_get_type(info->field_node));
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"Set NamedObj %p [%4.4s], ObjDesc %p\n",