diff options
Diffstat (limited to 'drivers/acpi/executer/exfldio.c')
| -rw-r--r-- | drivers/acpi/executer/exfldio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index bd1af35f7fc..d5a4b2627c1 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -113,6 +113,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, } if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) { + /* SMBus has a non-linear address space */ return_ACPI_STATUS(AE_OK); @@ -491,6 +492,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, value)); if (read_write == ACPI_READ) { + /* Read the datum from the data_register */ status = @@ -568,6 +570,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, /* If the mask is all ones, we don't need to worry about the update rule */ if (mask != ACPI_INTEGER_MAX) { + /* Decode the update rule */ switch (obj_desc->common_field. @@ -704,6 +707,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, /* Read the rest of the field */ for (i = 1; i < field_datum_count; i++) { + /* Get next input datum from the field */ field_offset += obj_desc->common_field.access_byte_width; @@ -817,6 +821,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, /* Write the entire field */ for (i = 1; i < field_datum_count; i++) { + /* Write merged datum to the target field */ merged_datum &= mask; |