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path: root/drivers/acpi/utilities/utmisc.c
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Diffstat (limited to 'drivers/acpi/utilities/utmisc.c')
-rw-r--r--drivers/acpi/utilities/utmisc.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 7364f5f8c9c..60f36130663 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -97,6 +97,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
+
/* There are no free IDs in this mask */
break;
@@ -273,6 +274,7 @@ void acpi_ut_print_string(char *string, u8 max_length)
acpi_os_printf("\"");
for (i = 0; string[i] && (i < max_length); i++) {
+
/* Escape sequences */
switch (string[i]) {
@@ -601,11 +603,13 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
while (*string) {
if (ACPI_IS_DIGIT(*string)) {
+
/* Convert ASCII 0-9 to Decimal value */
this_digit = ((u8) * string) - '0';
} else {
if (base == 10) {
+
/* Digit is out of range */
goto error_exit;
@@ -613,6 +617,7 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
this_digit = (u8) ACPI_TOUPPER(*string);
if (ACPI_IS_XDIGIT((char)this_digit)) {
+
/* Convert ASCII Hex char to value */
this_digit = this_digit - 'A' + 10;
@@ -727,6 +732,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
}
while (state) {
+
/* Get one element of the package */
this_index = state->pkg.index;
@@ -814,31 +820,6 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
/*******************************************************************************
*
- * FUNCTION: acpi_ut_generate_checksum
- *
- * PARAMETERS: Buffer - Buffer to be scanned
- * Length - number of bytes to examine
- *
- * RETURN: The generated checksum
- *
- * DESCRIPTION: Generate a checksum on a raw buffer
- *
- ******************************************************************************/
-
-u8 acpi_ut_generate_checksum(u8 * buffer, u32 length)
-{
- u32 i;
- signed char sum = 0;
-
- for (i = 0; i < length; i++) {
- sum = (signed char)(sum + buffer[i]);
- }
-
- return ((u8) (0 - sum));
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info
*
* PARAMETERS: module_name - Caller's module name (for error output)