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Subject[PATCH v2 2/6] thermal: trip: Define for_each_trip() macro
Date
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Define a new macro for_each_trip() to be used by the thermal core code
and thermal governors for walking trips in a given thermal zone.

Modify for_each_thermal_trip() to use this macro instead of an open-
coded loop over trips.

No intentional functional impact.

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

v1 -> v2:
* Rebase on top of current linux-next.
* Add the tag from Daniel.

---
drivers/thermal/thermal_core.h | 3 +++
drivers/thermal/thermal_trip.c | 7 ++++---
2 files changed, 7 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/thermal/thermal_core.h
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.h
+++ linux-pm/drivers/thermal/thermal_core.h
@@ -116,6 +116,9 @@ void __thermal_zone_device_update(struct
enum thermal_notify_event event);

/* Helpers */
+#define for_each_trip(__tz, __trip) \
+ for (__trip = __tz->trips; __trip - __tz->trips < __tz->num_trips; __trip++)
+
void __thermal_zone_set_trips(struct thermal_zone_device *tz);
int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
struct thermal_trip *trip);
Index: linux-pm/drivers/thermal/thermal_trip.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_trip.c
+++ linux-pm/drivers/thermal/thermal_trip.c
@@ -13,10 +13,11 @@ int for_each_thermal_trip(struct thermal
int (*cb)(struct thermal_trip *, void *),
void *data)
{
- int i, ret;
+ struct thermal_trip *trip;
+ int ret;

- for (i = 0; i < tz->num_trips; i++) {
- ret = cb(&tz->trips[i], data);
+ for_each_trip(tz, trip) {
+ ret = cb(trip, data);
if (ret)
return ret;
}


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