diff mbox series

[v1,2/6] thermal: trip: Define for_each_trip() macro

Message ID 8282829.T7Z3S40VBb@kreacher
State New
Headers
Series thermal: core: Pass trip pointers to governor .throttle() callbacks |

Commit Message

Rafael J. Wysocki Oct. 6, 2023, 5:41 p.m. UTC 
  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>
---
 drivers/thermal/thermal_core.h |    3 +++
 drivers/thermal/thermal_trip.c |    7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

Comments

Daniel Lezcano Oct. 12, 2023, 2:44 p.m. UTC | #1 
On 06/10/2023 19:41, Rafael J. Wysocki wrote:
> 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>
Lukasz Luba Oct. 20, 2023, 5:15 p.m. UTC | #2 
On 10/6/23 18:41, Rafael J. Wysocki wrote:
> 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>
> ---
>   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
> @@ -13,12 +13,13 @@ int for_each_thermal_trip(struct thermal
>   			  int (*cb)(struct thermal_trip *, void *),
>   			  void *data)
>   {
> -	int i, ret;
> +	struct thermal_trip *trip;
> +	int ret;
>   
>   	lockdep_assert_held(&tz->lock);
>   
> -	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;
>   	}
> 
> 
> 

LGTM

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Rafael J. Wysocki Oct. 20, 2023, 5:19 p.m. UTC | #3 
On Fri, Oct 20, 2023 at 7:14 PM Lukasz Luba <lukasz.luba@arm.com> wrote:
>
>
>
> On 10/6/23 18:41, Rafael J. Wysocki wrote:
> > 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>
> > ---
> >   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
> > @@ -13,12 +13,13 @@ int for_each_thermal_trip(struct thermal
> >                         int (*cb)(struct thermal_trip *, void *),
> >                         void *data)
> >   {
> > -     int i, ret;
> > +     struct thermal_trip *trip;
> > +     int ret;
> >
> >       lockdep_assert_held(&tz->lock);
> >
> > -     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;
> >       }
> >
> >
> >
>
> LGTM
>
> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

Thanks!
diff mbox series

Patch

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
@@ -13,12 +13,13 @@  int for_each_thermal_trip(struct thermal
 			  int (*cb)(struct thermal_trip *, void *),
 			  void *data)
 {
-	int i, ret;
+	struct thermal_trip *trip;
+	int ret;
 
 	lockdep_assert_held(&tz->lock);
 
-	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;
 	}