aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/exprep.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/acpica/exprep.c')
-rw-r--r--drivers/acpi/acpica/exprep.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 81eca60d2748..ba9db4de7c89 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -1,4 +1,3 @@
1
2/****************************************************************************** 1/******************************************************************************
3 * 2 *
4 * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities 3 * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
@@ -78,8 +77,8 @@ acpi_ex_generate_access(u32 field_bit_offset,
78 * any_acc keyword. 77 * any_acc keyword.
79 * 78 *
80 * NOTE: Need to have the region_length in order to check for boundary 79 * NOTE: Need to have the region_length in order to check for boundary
81 * conditions (end-of-region). However, the region_length is a deferred 80 * conditions (end-of-region). However, the region_length is a deferred
82 * operation. Therefore, to complete this implementation, the generation 81 * operation. Therefore, to complete this implementation, the generation
83 * of this access width must be deferred until the region length has 82 * of this access width must be deferred until the region length has
84 * been evaluated. 83 * been evaluated.
85 * 84 *
@@ -308,7 +307,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
308 * RETURN: Status 307 * RETURN: Status
309 * 308 *
310 * DESCRIPTION: Initialize the areas of the field object that are common 309 * DESCRIPTION: Initialize the areas of the field object that are common
311 * to the various types of fields. Note: This is very "sensitive" 310 * to the various types of fields. Note: This is very "sensitive"
312 * code because we are solving the general case for field 311 * code because we are solving the general case for field
313 * alignment. 312 * alignment.
314 * 313 *
@@ -336,13 +335,13 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
336 obj_desc->common_field.bit_length = field_bit_length; 335 obj_desc->common_field.bit_length = field_bit_length;
337 336
338 /* 337 /*
339 * Decode the access type so we can compute offsets. The access type gives 338 * Decode the access type so we can compute offsets. The access type gives
340 * two pieces of information - the width of each field access and the 339 * two pieces of information - the width of each field access and the
341 * necessary byte_alignment (address granularity) of the access. 340 * necessary byte_alignment (address granularity) of the access.
342 * 341 *
343 * For any_acc, the access_bit_width is the largest width that is both 342 * For any_acc, the access_bit_width is the largest width that is both
344 * necessary and possible in an attempt to access the whole field in one 343 * necessary and possible in an attempt to access the whole field in one
345 * I/O operation. However, for any_acc, the byte_alignment is always one 344 * I/O operation. However, for any_acc, the byte_alignment is always one
346 * byte. 345 * byte.
347 * 346 *
348 * For all Buffer Fields, the byte_alignment is always one byte. 347 * For all Buffer Fields, the byte_alignment is always one byte.
@@ -363,7 +362,7 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
363 362
364 /* 363 /*
365 * base_byte_offset is the address of the start of the field within the 364 * base_byte_offset is the address of the start of the field within the
366 * region. It is the byte address of the first *datum* (field-width data 365 * region. It is the byte address of the first *datum* (field-width data
367 * unit) of the field. (i.e., the first datum that contains at least the 366 * unit) of the field. (i.e., the first datum that contains at least the
368 * first *bit* of the field.) 367 * first *bit* of the field.)
369 * 368 *