diff mbox series

[v2,07/11] thermal/acpi: Simplifify the condition check

Message ID 20230203174429.3375691-8-daniel.lezcano@linaro.org
State Superseded
Headers show
Series Generic trip points for ACPI | expand

Commit Message

Daniel Lezcano Feb. 3, 2023, 5:44 p.m. UTC 
The condition:

if ((flag == ACPI_TRIPS_INIT) || ((flag & ACPI_TRIPS_ACTIVE))

and on the other side: ACPI_TRIPS_INIT (... | ACPI_TRIPS_ACTIVE)

So if the first predicate is true, the second is also true.

The 'valid' flag for the trip point is also checked before, so it is
pointless to redo the same check again and again as it is unchanged.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/acpi/thermal.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index a3a8130c955f..c7c2b3d63e90 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -321,6 +321,9 @@  static int acpi_thermal_trips_update_passive(struct acpi_thermal *tz, int flag)
 	int valid = 0;
 
 	valid = tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid;
+	if (!valid)
+		return 0;
+
 	if (psv == -1) {
 		status = AE_SUPPORT;
 	} else if (psv > 0) {
@@ -398,13 +401,16 @@  static int acpi_thermal_trips_update_active(struct acpi_thermal *tz, int flag)
 
 	for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 		char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
+
 		valid = tz->trips[i].flags.valid;
 
 		if (act == -1)
 			break; /* disable all active trip points */
 
-		if (flag == ACPI_TRIPS_INIT || ((flag & ACPI_TRIPS_ACTIVE) &&
-		    tz->trips[i].flags.valid)) {
+		if (!tz->trips[i].flags.valid)
+			continue;
+		
+		if (flag & ACPI_TRIPS_ACTIVE)  {
 			status = acpi_evaluate_integer(tz->device->handle,
 						       name, NULL, &tmp);
 			if (ACPI_FAILURE(status)) {
@@ -436,7 +442,7 @@  static int acpi_thermal_trips_update_active(struct acpi_thermal *tz, int flag)
 		}
 
 		name[2] = 'L';
-		if ((flag & ACPI_TRIPS_DEVICES) && tz->trips[i].flags.valid ) {
+		if (flag & ACPI_TRIPS_DEVICES) {
 			memset(&devices, 0, sizeof(struct acpi_handle_list));
 			status = acpi_evaluate_reference(tz->device->handle,
 							 name, NULL, &devices);
@@ -455,6 +461,7 @@  static int acpi_thermal_trips_update_active(struct acpi_thermal *tz, int flag)
 				ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device");
 			}
 		}
+
 		if ((flag & ACPI_TRIPS_ACTIVE) || (flag & ACPI_TRIPS_DEVICES))
 			if (valid != tz->trips[i].flags.valid)
 				ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");
@@ -495,8 +502,7 @@  static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	}
 
 	/* Passive (optional) */
-	if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) ||
-		(flag == ACPI_TRIPS_INIT)) {
+	if (flag & ACPI_TRIPS_PASSIVE) {
 		acpi_thermal_trips_update_passive(tz, flag);
 	}