ACPI: thermal: Drop redundant parens from expressions

Some expressions in the ACPI thermal driver contain redundant
parentheses.  Drop them.

No functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index d33854c..6dc1d54 100644 (file)
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -326,7 +326,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 
        /* Passive (optional) */
        if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||
-           (flag == ACPI_TRIPS_INIT)) {
+           flag == ACPI_TRIPS_INIT) {
                valid = tz->trips.passive.flags.valid;
                if (psv == -1) {
                        status = AE_SUPPORT;
@@ -399,7 +399,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
                if (act == -1)
                        break; /* disable all active trip points */
 
-               if ((flag == ACPI_TRIPS_INIT) || ((flag & ACPI_TRIPS_ACTIVE) &&
+               if (flag == ACPI_TRIPS_INIT || ((flag & ACPI_TRIPS_ACTIVE) &&
                    tz->trips.active[i].flags.valid)) {
                        status = acpi_evaluate_integer(tz->device->handle,
                                                       name, NULL, &tmp);
@@ -654,8 +654,8 @@ static int thermal_get_trend(struct thermal_zone_device *thermal,
         * tz->temperature has already been updated by generic thermal layer,
         * before this callback being invoked
         */
-       i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature)) +
-           (tz->trips.passive.tc2 * (tz->temperature - tz->trips.passive.temperature));
+       i = tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature) +
+           tz->trips.passive.tc2 * (tz->temperature - tz->trips.passive.temperature);
 
        if (i > 0)
                *trend = THERMAL_TREND_RAISING;