From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Linux PM <linux-pm@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
Zhang Rui <rui.zhang@intel.com>,
Lukasz Luba <lukasz.luba@arm.com>,
"Rafael J. Wysocki" <rafael@kernel.org>
Subject: Re: [PATCH v1 05/13] thermal: core: Store trip pointer in struct thermal_instance
Date: Wed, 27 Sep 2023 16:56:41 +0200 [thread overview]
Message-ID: <bb7f32c9-249c-2ad8-135c-82098430bcfd@linaro.org> (raw)
In-Reply-To: <1977624.usQuhbGJ8B@kreacher>
On 21/09/2023 19:52, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Replace the integer trip number stored in struct thermal_instance with
> a pointer to the relevant trip and adjust the code using the structure
> in question accordingly.
>
> The main reason for making this change is to allow the trip point to
> cooling device binding code more straightforward, as illustrated by
> subsequent modifications of the ACPI thermal driver, but it also helps
> to clarify the overall design and allows the governor code overhead to
> be reduced (through subsequent modifications).
>
> The only case in which it adds complexity is trip_point_show() that
> needs to walk the trips[] table to find the index of the given trip
> point, but this is not a critical path and the interface that
> trip_point_show() belongs to is problematic anyway (for instance, it
> doesn't cover the case when the same cooling devices is associated
> with multiple trip points).
>
> This is a preliminary change and the affected code will be refined by
> a series of subsequent modifications of thermal governors, the core and
> the ACPI thermal driver.
>
> The general functionality is not expected to be affected by this change.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog
next prev parent reply other threads:[~2023-09-27 14:56 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 17:46 [PATCH v1 00/13] thermal: ACPI: More ACPI thermal improvements and modification of thermal instances Rafael J. Wysocki
2023-09-21 17:48 ` [PATCH v1 01/13] ACPI: thermal: Add device list to struct acpi_thermal_trip Rafael J. Wysocki
2023-09-26 15:17 ` Daniel Lezcano
2023-09-21 17:49 ` [PATCH v1 02/13] ACPI: thermal: Collapse trip devices update functions Rafael J. Wysocki
2023-09-26 17:18 ` Daniel Lezcano
2023-09-26 17:56 ` Rafael J. Wysocki
2023-09-26 18:04 ` Rafael J. Wysocki
2023-09-26 21:16 ` Daniel Lezcano
2023-09-26 21:33 ` Daniel Lezcano
2023-09-21 17:50 ` [PATCH v1 03/13] ACPI: thermal: Collapse trip devices update function wrappers Rafael J. Wysocki
2023-09-27 9:15 ` Daniel Lezcano
2023-09-21 17:51 ` [PATCH v1 04/13] ACPI: thermal: Merge trip initialization functions Rafael J. Wysocki
2023-09-27 11:58 ` Daniel Lezcano
2023-09-21 17:52 ` [PATCH v1 05/13] thermal: core: Store trip pointer in struct thermal_instance Rafael J. Wysocki
2023-09-27 14:56 ` Daniel Lezcano [this message]
2023-09-21 17:54 ` [PATCH v1 06/13] thermal: gov_fair_share: Rearrange get_trip_level() Rafael J. Wysocki
2023-09-27 15:00 ` Daniel Lezcano
2023-09-27 15:06 ` Rafael J. Wysocki
2023-09-27 15:37 ` Daniel Lezcano
2023-09-27 16:09 ` Rafael J. Wysocki
2023-09-21 17:55 ` [PATCH v1 07/13] thermal: gov_power_allocator: Use trip pointers instead of trip indices Rafael J. Wysocki
2023-09-27 15:10 ` Daniel Lezcano
2023-09-27 15:27 ` Rafael J. Wysocki
2023-09-27 15:46 ` Daniel Lezcano
2023-09-27 16:14 ` Rafael J. Wysocki
2023-09-21 17:56 ` [PATCH v1 08/13] thermal: gov_step_wise: Fold update_passive_instance() into its caller Rafael J. Wysocki
2023-09-21 17:58 ` [PATCH v1 09/13] thermal: core: Rename trip point index function arguments in governors Rafael J. Wysocki
2023-09-21 18:01 ` [PATCH v1 10/13] thermal: core: Allow trip pointers to be used for cooling device binding Rafael J. Wysocki
2023-09-28 7:10 ` Daniel Lezcano
2023-09-28 10:38 ` Rafael J. Wysocki
2023-09-28 13:31 ` Daniel Lezcano
2023-09-21 18:02 ` [PATCH v1 11/13] ACPI: thermal: Do not use trip indices " Rafael J. Wysocki
2023-09-28 7:24 ` Daniel Lezcano
2023-09-21 18:04 ` [PATCH v1 12/13] ACPI: thermal: Drop critical_valid and hot_valid trip flags Rafael J. Wysocki
2023-09-28 7:25 ` Daniel Lezcano
2023-09-21 18:06 ` [PATCH v1 13/13] ACPI: thermal: Rename structure fields holding temperature in deci-Kelvin Rafael J. Wysocki
2023-09-28 7:28 ` Daniel Lezcano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bb7f32c9-249c-2ad8-135c-82098430bcfd@linaro.org \
--to=daniel.lezcano@linaro.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=lukasz.luba@arm.com \
--cc=rafael@kernel.org \
--cc=rjw@rjwysocki.net \
--cc=rui.zhang@intel.com \
--cc=srinivas.pandruvada@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).