linux-kernel - Re: [PATCH v1 05/10] thermal: core: Pass trip descriptor to thermal_trip

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Message-ID: <17578871-30aa-4f6e-8e75-bdbbb4324f3c@arm.com>
Date: Thu, 24 Oct 2024 11:22:02 +0100
From: Lukasz Luba <lukasz.luba@....com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...r.kernel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v1 05/10] thermal: core: Pass trip descriptor to
 thermal_trip_crossed()



On 10/16/24 12:27, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> In preparation for subsequent changes, modify thermal_trip_crossed()
> to take a trip descriptor pointer instead of a pointer to struct
> thermal_trip and propagate this change to thermal_zone_trip_down().
> 
> No functional impact.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
>   drivers/thermal/thermal_core.c |   12 +++++++-----
>   drivers/thermal/thermal_core.h |    2 +-
>   drivers/thermal/thermal_trip.c |    2 +-
>   3 files changed, 9 insertions(+), 7 deletions(-)
> 
> Index: linux-pm/drivers/thermal/thermal_core.c
> ===================================================================
> --- linux-pm.orig/drivers/thermal/thermal_core.c
> +++ linux-pm/drivers/thermal/thermal_core.c
> @@ -526,10 +526,12 @@ static void thermal_governor_trip_crosse
>   }
>   
>   static void thermal_trip_crossed(struct thermal_zone_device *tz,
> -				 const struct thermal_trip *trip,
> +				 struct thermal_trip_desc *td,
>   				 struct thermal_governor *governor,
>   				 bool crossed_up)
>   {
> +	const struct thermal_trip *trip = &td->trip;
> +
>   	if (crossed_up) {
>   		thermal_notify_tz_trip_up(tz, trip);
>   		thermal_debug_tz_trip_up(tz, trip);
> @@ -589,12 +591,12 @@ void __thermal_zone_device_update(struct
>   	}
>   
>   	list_for_each_entry_safe(td, next, &way_up_list, list_node) {
> -		thermal_trip_crossed(tz, &td->trip, governor, true);
> +		thermal_trip_crossed(tz, td, governor, true);
>   		list_del_init(&td->list_node);
>   	}
>   
>   	list_for_each_entry_safe_reverse(td, next, &way_down_list, list_node) {
> -		thermal_trip_crossed(tz, &td->trip, governor, false);
> +		thermal_trip_crossed(tz, td, governor, false);
>   		list_del_init(&td->list_node);
>   	}
>   
> @@ -664,9 +666,9 @@ void thermal_zone_device_update(struct t
>   EXPORT_SYMBOL_GPL(thermal_zone_device_update);
>   
>   void thermal_zone_trip_down(struct thermal_zone_device *tz,
> -			    const struct thermal_trip *trip)
> +			    struct thermal_trip_desc *td)
>   {
> -	thermal_trip_crossed(tz, trip, thermal_get_tz_governor(tz), false);
> +	thermal_trip_crossed(tz, td, thermal_get_tz_governor(tz), false);
>   }
>   
>   int for_each_thermal_governor(int (*cb)(struct thermal_governor *, void *),
> Index: linux-pm/drivers/thermal/thermal_core.h
> ===================================================================
> --- linux-pm.orig/drivers/thermal/thermal_core.h
> +++ linux-pm/drivers/thermal/thermal_core.h
> @@ -274,7 +274,7 @@ int thermal_zone_trip_id(const struct th
>   			 const struct thermal_trip *trip);
>   int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
>   void thermal_zone_trip_down(struct thermal_zone_device *tz,
> -			    const struct thermal_trip *trip);
> +			    struct thermal_trip_desc *td);
>   void thermal_zone_set_trip_hyst(struct thermal_zone_device *tz,
>   				struct thermal_trip *trip, int hyst);
>   
> Index: linux-pm/drivers/thermal/thermal_trip.c
> ===================================================================
> --- linux-pm.orig/drivers/thermal/thermal_trip.c
> +++ linux-pm/drivers/thermal/thermal_trip.c
> @@ -118,7 +118,7 @@ void thermal_zone_set_trip_temp(struct t
>   				tz->passive--;
>   				WARN_ON_ONCE(tz->passive < 0);
>   			}
> -			thermal_zone_trip_down(tz, trip);
> +			thermal_zone_trip_down(tz, td);
>   		}
>   		/*
>   		 * Invalidate the threshold to avoid triggering a spurious
> 
> 
> 

Reviewed-by: Lukasz Luba <lukasz.luba@....com>