ACPICA: Eliminate some small unnecessary pathname functions.

Removed several small pathname functions to increase efficiency.
Essentially, they replace a function call with a single compare.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index cb79e2d4d743..9f3189395f3a 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -162,7 +162,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
 
         /* Point past any namestring prefix characters (backslash or carat) */
 
-        while (acpi_ps_is_prefix_char(*end)) {
+        while (ACPI_IS_ROOT_PREFIX(*end) || ACPI_IS_PARENT_PREFIX(*end)) {
                 end++;
         }
 
@@ -798,7 +798,8 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
                 subop = acpi_ps_peek_opcode(parser_state);
                 if (subop == 0 ||
                     acpi_ps_is_leading_char(subop) ||
-                    acpi_ps_is_prefix_char(subop)) {
+                    ACPI_IS_ROOT_PREFIX(subop) ||
+                    ACPI_IS_PARENT_PREFIX(subop)) {
 
                         /* null_name or name_string */