From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: rafael@kernel.org, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, rui.zhang@intel.com,
"Raju Rangoju" <rajur@chelsio.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Peter Kaestle" <peter@piie.net>,
"Hans de Goede" <hdegoede@redhat.com>,
"Mark Gross" <markgross@kernel.org>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Amit Kucheria" <amitk@kernel.org>,
"Nicolas Saenz Julienne" <nsaenz@kernel.org>,
"Broadcom Kernel Team" <bcm-kernel-feedback-list@broadcom.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
"Support Opensource" <support.opensource@diasemi.com>,
"Lukasz Luba" <lukasz.luba@arm.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Thara Gopinath" <thara.gopinath@linaro.org>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>,
"Krzysztof Kozlowski" <krzysztof.kozlowski@linaro.org>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Eduardo Valentin" <edubezval@gmail.com>,
Keerthy <j-keerthy@ti.com>,
"Kunihiko Hayashi" <hayashi.kunihiko@socionext.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Antoine Tenart" <atenart@kernel.org>,
"Srinivas Pandruvada" <srinivas.pandruvada@linux.intel.com>,
"Dmitry Osipenko" <digetx@gmail.com>,
netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-omap@vger.kernel.org
Subject: Re: [PATCH v7 00/29] Rework the trip points creation
Date: Thu, 29 Sep 2022 15:58:11 +0200 [thread overview]
Message-ID: <CAJZ5v0hOFoe0KqEimFv9pgmiAOzuRoLjdqoScr53ErNFU4AAPA@mail.gmail.com> (raw)
In-Reply-To: <d0be3159-8094-aed1-d9b1-c4b16d88d67c@linaro.org>
On Thu, Sep 29, 2022 at 2:26 PM Daniel Lezcano
<daniel.lezcano@linaro.org> wrote:
>
>
> Hi Rafael,
>
> are you happy with the changes?
I'll have a look and let you know.
> I would like to integrate those changes with the thermal pull request
Sure, but it looks like you've got only a few ACKs for these patches
from the driver people.
Wouldn't it be prudent to give them some more time to review the changes?
> On 28/09/2022 23:00, Daniel Lezcano wrote:
> > This work is the pre-requisite of handling correctly when the trip
> > point are crossed. For that we need to rework how the trip points are
> > declared and assigned to a thermal zone.
> >
> > Even if it appears to be a common sense to have the trip points being
> > ordered, this no guarantee neither documentation telling that is the
> > case.
> >
> > One solution could have been to create an ordered array of trips built
> > when registering the thermal zone by calling the different get_trip*
> > ops. However those ops receive a thermal zone pointer which is not
> > known as it is in the process of creating it.
> >
> > This cyclic dependency shows we have to rework how we manage the trip
> > points.
> >
> > Actually, all the trip points definition can be common to the backend
> > sensor drivers and we can factor out the thermal trip structure in all
> > of them.
> >
> > Then, as we register the thermal trips array, they will be available
> > in the thermal zone structure and a core function can return the trip
> > given its id.
> >
> > The get_trip_* ops won't be needed anymore and could be removed. The
> > resulting code will be another step forward to a self encapsulated
> > generic thermal framework.
> >
> > Most of the drivers can be converted more or less easily. This series
> > does a first round with most of the drivers. Some remain and will be
> > converted but with a smaller set of changes as the conversion is a bit
> > more complex.
> >
> > Changelog:
> > v7:
> > - Added missing return 0 in the x86_pkg_temp driver
> > v6:
> > - Improved the code for the get_crit_temp() function as suggested by Rafael
> > - Removed inner parenthesis in the set_trip_temp() function and invert the
> > conditions. Check the type of the trip point is unchanged
> > - Folded patch 4 with 1
> > - Add per thermal zone info message in the bang-bang governor
> > - Folded the fix for an uninitialized variable in int340x_thermal_zone_add()
> > v5:
> > - Fixed a deadlock when calling thermal_zone_get_trip() while
> > handling the thermal zone lock
> > - Remove an extra line in the sysfs change
> > - Collected tags
> > v4:
> > - Remove extra lines on exynos changes as reported by Krzysztof Kozlowski
> > - Collected tags
> > v3:
> > - Reorg the series to be git-bisect safe
> > - Added the set_trip generic function
> > - Added the get_crit_temp generic function
> > - Removed more dead code in the thermal-of
> > - Fixed the exynos changelog
> > - Fixed the error check for the exynos drivers
> > - Collected tags
> > v2:
> > - Added missing EXPORT_SYMBOL_GPL() for thermal_zone_get_trip()
> > - Removed tab whitespace in the acerhdf driver
> > - Collected tags
> >
> > Cc: Raju Rangoju <rajur@chelsio.com>
> > Cc: "David S. Miller" <davem@davemloft.net>
> > Cc: Eric Dumazet <edumazet@google.com>
> > Cc: Jakub Kicinski <kuba@kernel.org>
> > Cc: Paolo Abeni <pabeni@redhat.com>
> > Cc: Peter Kaestle <peter@piie.net>
> > Cc: Hans de Goede <hdegoede@redhat.com>
> > Cc: Mark Gross <markgross@kernel.org>
> > Cc: Miquel Raynal <miquel.raynal@bootlin.com>
> > Cc: "Rafael J. Wysocki" <rafael@kernel.org>
> > Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> > Cc: Amit Kucheria <amitk@kernel.org>
> > Cc: Zhang Rui <rui.zhang@intel.com>
> > Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
> > Cc: Broadcom Kernel Team <bcm-kernel-feedback-list@broadcom.com>
> > Cc: Florian Fainelli <f.fainelli@gmail.com>
> > Cc: Ray Jui <rjui@broadcom.com>
> > Cc: Scott Branden <sbranden@broadcom.com>
> > Cc: Support Opensource <support.opensource@diasemi.com>
> > Cc: Lukasz Luba <lukasz.luba@arm.com>
> > Cc: Shawn Guo <shawnguo@kernel.org>
> > Cc: Sascha Hauer <s.hauer@pengutronix.de>
> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
> > Cc: Fabio Estevam <festevam@gmail.com>
> > Cc: NXP Linux Team <linux-imx@nxp.com>
> > Cc: Thara Gopinath <thara.gopinath@linaro.org>
> > Cc: Andy Gross <agross@kernel.org>
> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> > Cc: "Niklas Söderlund" <niklas.soderlund@ragnatech.se>
> > Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> > Cc: Alim Akhtar <alim.akhtar@samsung.com>
> > Cc: Thierry Reding <thierry.reding@gmail.com>
> > Cc: Jonathan Hunter <jonathanh@nvidia.com>
> > Cc: Eduardo Valentin <edubezval@gmail.com>
> > Cc: Keerthy <j-keerthy@ti.com>
> > Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> > Cc: Masami Hiramatsu <mhiramat@kernel.org>
> > Cc: Antoine Tenart <atenart@kernel.org>
> > Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
> > Cc: Dmitry Osipenko <digetx@gmail.com>
> > Cc: netdev@vger.kernel.org
> > Cc: linux-kernel@vger.kernel.org
> > Cc: platform-driver-x86@vger.kernel.org
> > Cc: linux-pm@vger.kernel.org
> > Cc: linux-rpi-kernel@lists.infradead.org
> > Cc: linux-arm-kernel@lists.infradead.org
> > Cc: linux-arm-msm@vger.kernel.org
> > Cc: linux-renesas-soc@vger.kernel.org
> > Cc: linux-samsung-soc@vger.kernel.org
> > Cc: linux-tegra@vger.kernel.org
> > Cc: linux-omap@vger.kernel.org
> >
> > Daniel Lezcano (29):
> > thermal/core: Add a generic thermal_zone_get_trip() function
> > thermal/sysfs: Always expose hysteresis attributes
> > thermal/core: Add a generic thermal_zone_set_trip() function
> > thermal/core/governors: Use thermal_zone_get_trip() instead of ops
> > functions
> > thermal/of: Use generic thermal_zone_get_trip() function
> > thermal/of: Remove unused functions
> > thermal/drivers/exynos: Use generic thermal_zone_get_trip() function
> > thermal/drivers/exynos: of_thermal_get_ntrips()
> > thermal/drivers/exynos: Replace of_thermal_is_trip_valid() by
> > thermal_zone_get_trip()
> > thermal/drivers/tegra: Use generic thermal_zone_get_trip() function
> > thermal/drivers/uniphier: Use generic thermal_zone_get_trip() function
> > thermal/drivers/hisi: Use generic thermal_zone_get_trip() function
> > thermal/drivers/qcom: Use generic thermal_zone_get_trip() function
> > thermal/drivers/armada: Use generic thermal_zone_get_trip() function
> > thermal/drivers/rcar_gen3: Use the generic function to get the number
> > of trips
> > thermal/of: Remove of_thermal_get_ntrips()
> > thermal/of: Remove of_thermal_is_trip_valid()
> > thermal/of: Remove of_thermal_set_trip_hyst()
> > thermal/of: Remove of_thermal_get_crit_temp()
> > thermal/drivers/st: Use generic trip points
> > thermal/drivers/imx: Use generic thermal_zone_get_trip() function
> > thermal/drivers/rcar: Use generic thermal_zone_get_trip() function
> > thermal/drivers/broadcom: Use generic thermal_zone_get_trip() function
> > thermal/drivers/da9062: Use generic thermal_zone_get_trip() function
> > thermal/drivers/ti: Remove unused macros ti_thermal_get_trip_value() /
> > ti_thermal_trip_is_valid()
> > thermal/drivers/acerhdf: Use generic thermal_zone_get_trip() function
> > thermal/drivers/cxgb4: Use generic thermal_zone_get_trip() function
> > thermal/intel/int340x: Replace parameter to simplify
> > thermal/drivers/intel: Use generic thermal_zone_get_trip() function
> >
> > drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 2 -
> > .../ethernet/chelsio/cxgb4/cxgb4_thermal.c | 41 +----
> > drivers/platform/x86/acerhdf.c | 73 +++-----
> > drivers/thermal/armada_thermal.c | 39 ++---
> > drivers/thermal/broadcom/bcm2835_thermal.c | 8 +-
> > drivers/thermal/da9062-thermal.c | 52 +-----
> > drivers/thermal/gov_bang_bang.c | 39 +++--
> > drivers/thermal/gov_fair_share.c | 18 +-
> > drivers/thermal/gov_power_allocator.c | 51 +++---
> > drivers/thermal/gov_step_wise.c | 22 ++-
> > drivers/thermal/hisi_thermal.c | 11 +-
> > drivers/thermal/imx_thermal.c | 72 +++-----
> > .../int340x_thermal/int340x_thermal_zone.c | 33 ++--
> > .../int340x_thermal/int340x_thermal_zone.h | 4 +-
> > .../processor_thermal_device.c | 10 +-
> > drivers/thermal/intel/x86_pkg_temp_thermal.c | 120 +++++++------
> > drivers/thermal/qcom/qcom-spmi-temp-alarm.c | 39 ++---
> > drivers/thermal/rcar_gen3_thermal.c | 2 +-
> > drivers/thermal/rcar_thermal.c | 53 +-----
> > drivers/thermal/samsung/exynos_tmu.c | 57 +++----
> > drivers/thermal/st/st_thermal.c | 47 +----
> > drivers/thermal/tegra/soctherm.c | 33 ++--
> > drivers/thermal/tegra/tegra30-tsensor.c | 17 +-
> > drivers/thermal/thermal_core.c | 161 +++++++++++++++---
> > drivers/thermal/thermal_core.h | 24 +--
> > drivers/thermal/thermal_helpers.c | 28 +--
> > drivers/thermal/thermal_netlink.c | 21 +--
> > drivers/thermal/thermal_of.c | 116 -------------
> > drivers/thermal/thermal_sysfs.c | 133 +++++----------
> > drivers/thermal/ti-soc-thermal/ti-thermal.h | 15 --
> > drivers/thermal/uniphier_thermal.c | 27 ++-
> > include/linux/thermal.h | 10 ++
> > 32 files changed, 560 insertions(+), 818 deletions(-)
> >
>
>
> --
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next prev parent reply other threads:[~2022-09-29 13:58 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-28 21:00 [PATCH v7 00/29] Rework the trip points creation Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 01/29] thermal/core: Add a generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-30 17:20 ` Rafael J. Wysocki
2022-09-28 21:00 ` [PATCH v7 02/29] thermal/sysfs: Always expose hysteresis attributes Daniel Lezcano
2022-09-30 17:23 ` Rafael J. Wysocki
2022-09-28 21:00 ` [PATCH v7 03/29] thermal/core: Add a generic thermal_zone_set_trip() function Daniel Lezcano
2022-09-30 17:27 ` Rafael J. Wysocki
2022-09-28 21:00 ` [PATCH v7 04/29] thermal/core/governors: Use thermal_zone_get_trip() instead of ops functions Daniel Lezcano
2022-09-30 17:31 ` Rafael J. Wysocki
2022-09-28 21:00 ` [PATCH v7 05/29] thermal/of: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 06/29] thermal/of: Remove unused functions Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 07/29] thermal/drivers/exynos: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 08/29] thermal/drivers/exynos: of_thermal_get_ntrips() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 09/29] thermal/drivers/exynos: Replace of_thermal_is_trip_valid() by thermal_zone_get_trip() Daniel Lezcano
2022-09-29 7:31 ` Krzysztof Kozlowski
2022-09-28 21:00 ` [PATCH v7 10/29] thermal/drivers/tegra: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 11/29] thermal/drivers/uniphier: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 12/29] thermal/drivers/hisi: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 13/29] thermal/drivers/qcom: " Daniel Lezcano
2022-09-29 13:31 ` Dmitry Baryshkov
2022-09-28 21:00 ` [PATCH v7 14/29] thermal/drivers/armada: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 15/29] thermal/drivers/rcar_gen3: Use the generic function to get the number of trips Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 16/29] thermal/of: Remove of_thermal_get_ntrips() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 17/29] thermal/of: Remove of_thermal_is_trip_valid() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 18/29] thermal/of: Remove of_thermal_set_trip_hyst() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 19/29] thermal/of: Remove of_thermal_get_crit_temp() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 20/29] thermal/drivers/st: Use generic trip points Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 21/29] thermal/drivers/imx: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 22/29] thermal/drivers/rcar: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 23/29] thermal/drivers/broadcom: " Daniel Lezcano
2022-09-29 17:34 ` Florian Fainelli
2022-09-28 21:00 ` [PATCH v7 24/29] thermal/drivers/da9062: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 25/29] thermal/drivers/ti: Remove unused macros ti_thermal_get_trip_value() / ti_thermal_trip_is_valid() Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 26/29] thermal/drivers/acerhdf: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 27/29] thermal/drivers/cxgb4: " Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 28/29] thermal/intel/int340x: Replace parameter to simplify Daniel Lezcano
2022-09-28 21:00 ` [PATCH v7 29/29] thermal/drivers/intel: Use generic thermal_zone_get_trip() function Daniel Lezcano
2022-09-29 12:25 ` [PATCH v7 00/29] Rework the trip points creation Daniel Lezcano
2022-09-29 13:58 ` Rafael J. Wysocki [this message]
2022-09-29 14:57 ` Daniel Lezcano
2022-09-29 19:35 ` Rafael J. Wysocki
2022-09-30 17:39 ` Rafael J. Wysocki
2022-10-03 7:32 ` Lukasz Luba
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