From: Lukasz Luba <lukasz.luba@arm.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Zhang Rui <rui.zhang@intel.com>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: Re: [PATCH v2 01/12] thermal: core: Initialize thermal zones before registering them
Date: Mon, 21 Oct 2024 23:16:06 +0100 [thread overview]
Message-ID: <6b8787ee-31a1-4d09-a856-dd69f8c5ae28@arm.com> (raw)
In-Reply-To: <3336146.44csPzL39Z@rjwysocki.net>
On 10/4/24 20:05, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Since user space can start interacting with a new thermal zone as soon
> as device_register() called by thermal_zone_device_register_with_trips()
> returns, it is better to initialize the thermal zone before calling
> device_register() on it.
>
> Fixes: d0df264fbd3c ("thermal/core: Remove pointless thermal_zone_device_reset() function")
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
>
> This is a new iteration of
>
> https://lore.kernel.org/linux-pm/10527854.nUPlyArG6x@rjwysocki.net/
>
> v1 -> v2: Fix typo in the subject
>
> ---
> drivers/thermal/thermal_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-pm/drivers/thermal/thermal_core.c
> ===================================================================
> --- linux-pm.orig/drivers/thermal/thermal_core.c
> +++ linux-pm/drivers/thermal/thermal_core.c
> @@ -1465,6 +1465,7 @@ thermal_zone_device_register_with_trips(
> thermal_zone_destroy_device_groups(tz);
> goto remove_id;
> }
> + thermal_zone_device_init(tz);
> result = device_register(&tz->device);
> if (result)
> goto release_device;
> @@ -1503,7 +1504,6 @@ thermal_zone_device_register_with_trips(
>
> mutex_unlock(&thermal_list_lock);
>
> - thermal_zone_device_init(tz);
> /* Update the new thermal zone and mark it as already updated. */
> if (atomic_cmpxchg(&tz->need_update, 1, 0))
> thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
>
>
>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
next prev parent reply other threads:[~2024-10-21 22:14 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-04 19:01 [PATCH v2 00/12] thermal: core: Fixes and cleanups, mostly related to thermal zone init and exit Rafael J. Wysocki
2024-10-04 19:05 ` [PATCH v2 01/12] thermal: core: Initialize thermal zones before registering them Rafael J. Wysocki
2024-10-21 22:16 ` Lukasz Luba [this message]
2024-10-04 19:09 ` [PATCH v2 02/12] thermal: core: Rearrange PM notification code Rafael J. Wysocki
2024-10-21 22:18 ` Lukasz Luba
2024-10-04 19:11 ` [PATCH v2 03/12] thermal: core: Represent suspend-related thermal zone flags as bits Rafael J. Wysocki
2024-10-21 22:23 ` Lukasz Luba
2024-10-04 19:15 ` [PATCH v2 04/12] thermal: core: Mark thermal zones as initializing to start with Rafael J. Wysocki
2024-10-21 22:26 ` Lukasz Luba
2024-10-04 19:19 ` [PATCH v2 05/12] thermal: core: Fix race between zone registration and system suspend Rafael J. Wysocki
2024-10-21 22:27 ` Lukasz Luba
2024-10-04 19:23 ` [PATCH v2 06/12] thermal: core: Consolidate thermal zone locking during initialization Rafael J. Wysocki
2024-10-21 22:30 ` Lukasz Luba
2024-10-04 19:26 ` [PATCH v2 07/12] thermal: core: Mark thermal zones as exiting before unregistration Rafael J. Wysocki
2024-10-21 22:31 ` Lukasz Luba
2024-10-04 19:30 ` [PATCH v2 08/12] thermal: core: Consolidate thermal zone locking in the exit path Rafael J. Wysocki
2024-10-21 22:33 ` Lukasz Luba
2024-10-04 19:33 ` [PATCH v2 09/12] thermal: core: Update thermal zones after cooling device binding Rafael J. Wysocki
2024-10-21 22:35 ` Lukasz Luba
2024-10-04 19:35 ` [PATCH v2 10/12] thermal: core: Drop need_update field from struct thermal_zone_device Rafael J. Wysocki
2024-10-21 22:36 ` Lukasz Luba
2024-10-04 19:39 ` [PATCH v2 11/12] thermal: core: Move lists of thermal instances to trip descriptors Rafael J. Wysocki
2024-10-21 22:44 ` Lukasz Luba
2024-10-04 19:42 ` [PATCH v2 12/12] thermal: core: Pass trip descriptors to trip bind/unbind functions Rafael J. Wysocki
2024-10-21 22:37 ` Lukasz Luba
2024-10-11 18:50 ` [PATCH v2 00/12] thermal: core: Fixes and cleanups, mostly related to thermal zone init and exit Rafael J. Wysocki
2024-10-21 11:05 ` Rafael J. Wysocki
2024-10-21 22:45 ` Lukasz Luba
2024-10-22 9:56 ` Rafael J. Wysocki
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