From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org,
netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
platform-driver-x86@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-renesas-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
"Len Brown" <lenb@kernel.org>,
"Vishal Kulkarni" <vishal@chelsio.com>,
"David S . Miller" <davem@davemloft.net>,
"Jiri Pirko" <jiri@mellanox.com>,
"Ido Schimmel" <idosch@mellanox.com>,
"Johannes Berg" <johannes.berg@intel.com>,
"Emmanuel Grumbach" <emmanuel.grumbach@intel.com>,
"Luca Coelho" <luciano.coelho@intel.com>,
"Intel Linux Wireless" <linuxwifi@intel.com>,
"Kalle Valo" <kvalo@codeaurora.org>,
"Peter Kaestle" <peter@piie.net>,
"Darren Hart" <dvhart@infradead.org>,
"Andy Shevchenko" <andy@infradead.org>,
"Sebastian Reichel" <sre@kernel.org>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Daniel Lezcano" <daniel.lezcano@linaro.org>,
"Amit Kucheria" <amit.kucheria@verdurent.com>,
"Support Opensource" <support.opensource@diasemi.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>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Heiko Stuebner" <heiko@sntech.de>,
"Orson Zhai" <orsonzhai@gmail.com>,
"Baolin Wang" <baolin.wang7@gmail.com>,
"Chunyan Zhang" <zhang.lyra@gmail.com>,
"Zhang Rui" <rui.zhang@intel.com>,
"Allison Randal" <allison@lohutok.net>,
"Enrico Weigelt" <info@metux.net>,
"Gayatri Kammela" <gayatri.kammela@intel.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
kernel@collabora.com
Subject: Re: [PATCH v4 09/11] thermal: core: Stop polling DISABLED thermal devices
Date: Wed, 24 Jun 2020 12:02:19 +0200 [thread overview]
Message-ID: <31d0e28b-adb3-3cf6-4cd9-ce273ba94b01@samsung.com> (raw)
In-Reply-To: <20200528192051.28034-10-andrzej.p@collabora.com>
On 5/28/20 9:20 PM, Andrzej Pietrasiewicz wrote:
> Polling DISABLED devices is not desired, as all such "disabled" devices
> are meant to be handled by userspace. This patch introduces and uses
> should_stop_polling() to decide whether the device should be polled or not.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
> ---
> drivers/thermal/thermal_core.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 14baf0288759..e9c0b990e4a9 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -301,13 +301,22 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
> cancel_delayed_work(&tz->poll_queue);
> }
>
> +static inline bool should_stop_polling(struct thermal_zone_device *tz)
> +{
> + return !thermal_zone_device_is_enabled(tz);
> +}
> +
> static void monitor_thermal_zone(struct thermal_zone_device *tz)
> {
> + bool stop;
> +
> + stop = should_stop_polling(tz);
> +
> mutex_lock(&tz->lock);
>
> - if (tz->passive)
> + if (!stop && tz->passive)
> thermal_zone_device_set_polling(tz, tz->passive_delay);
> - else if (tz->polling_delay)
> + else if (!stop && tz->polling_delay)
> thermal_zone_device_set_polling(tz, tz->polling_delay);
> else
> thermal_zone_device_set_polling(tz, 0);
> @@ -517,6 +526,9 @@ void thermal_zone_device_update(struct thermal_zone_device *tz,
> {
> int count;
>
> + if (should_stop_polling(tz))
> + return;
> +
> if (atomic_read(&in_suspend))
> return;
>
>
next prev parent reply other threads:[~2020-06-24 10:02 UTC|newest]
Thread overview: 137+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Message-ID: <4493c0e4-51aa-3907-810c-74949ff27ca4@samsung.com>
2020-05-28 19:20 ` [PATCH v4 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-05-28 19:20 ` [PATCH v4 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-05-29 14:50 ` Guenter Roeck
2020-06-24 8:16 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-05-29 14:48 ` Guenter Roeck
2020-05-29 15:13 ` Andrzej Pietrasiewicz
2020-05-29 15:34 ` Guenter Roeck
2020-06-24 9:38 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-05-29 14:51 ` Guenter Roeck
2020-06-24 9:39 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-24 9:40 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-24 9:47 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-24 9:49 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-24 9:51 ` Bartlomiej Zolnierkiewicz
2020-06-26 16:08 ` Andrzej Pietrasiewicz
2020-05-28 19:20 ` [PATCH v4 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-24 10:00 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-24 10:02 ` Bartlomiej Zolnierkiewicz [this message]
2020-05-28 19:20 ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-24 10:03 ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20 ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-24 10:03 ` Bartlomiej Zolnierkiewicz
2020-06-01 11:36 ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Peter Kästle
2020-06-01 11:36 ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Peter Kästle
2020-06-01 11:37 ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Peter Kästle
2020-06-01 11:37 ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Peter Kästle
2020-06-01 11:38 ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Peter Kästle
2020-06-01 11:38 ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Peter Kästle
2020-06-23 14:37 ` [PATCH v4 00/11] Stop monitoring disabled devices Daniel Lezcano
2020-06-26 17:37 ` [PATCH v5 " Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29 7:19 ` Amit Kucheria
2020-06-26 17:37 ` [PATCH v5 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29 7:19 ` Amit Kucheria
2020-06-26 17:37 ` [PATCH v5 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29 7:19 ` Amit Kucheria
2020-06-26 17:37 ` [PATCH v5 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29 7:19 ` Amit Kucheria
2020-06-26 17:37 ` [PATCH v5 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29 7:20 ` Amit Kucheria
2020-06-26 17:37 ` [PATCH v5 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-26 20:50 ` kernel test robot
2020-06-26 20:50 ` [RFC PATCH] thermal: thermal_zone_device_set_mode() can be static kernel test robot
2020-06-26 20:55 ` [PATCH v5 06/11] thermal: Add mode helpers kernel test robot
2020-06-29 7:04 ` Amit Kucheria
2020-06-29 11:16 ` [PATCH v6 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-29 12:08 ` Daniel Lezcano
2020-06-29 11:16 ` [PATCH v6 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-29 11:16 ` [PATCH v6 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-26 17:37 ` [PATCH v5 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-01 10:02 ` [PATCH v4 00/11] Stop monitoring disabled devices Peter Kästle
2020-06-01 10:20 ` Andrzej Pietrasiewicz
2020-04-07 17:49 [RFC 0/8] " Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 1/8] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
[not found] ` <CGME20200415091204eucas1p1983548c2db52d8d0c2a5367034ec80dd@eucas1p1.samsung.com>
2020-04-15 9:12 ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 2/8] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
[not found] ` <CGME20200415100543eucas1p24e24293da39844ca8791db86af5365a7@eucas1p2.samsung.com>
2020-04-15 10:05 ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 3/8] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
[not found] ` <CGME20200415100944eucas1p1dcfeb784e790ca2fc3417fd2797e3f5d@eucas1p1.samsung.com>
2020-04-15 10:09 ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 4/8] thermal: core: Introduce THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 5/8] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 6/8] thermal: Set initial state to THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 7/8] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
[not found] ` <CGME20200415101829eucas1p18e21324d3c39926fffc6c8b5dc52f206@eucas1p1.samsung.com>
2020-04-15 10:18 ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 8/8] thermal: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-09 10:29 ` [RFC 0/8] Stop monitoring disabled devices Daniel Lezcano
2020-04-09 11:10 ` Andrzej Pietrasiewicz
[not found] ` <CGME20200415104010eucas1p101278e53e34a2e56dfc7c82b533a9122@eucas1p1.samsung.com>
2020-04-15 10:40 ` Bartlomiej Zolnierkiewicz
2020-04-17 16:23 ` Andrzej Pietrasiewicz
2020-04-19 11:42 ` Bartlomiej Zolnierkiewicz
2020-04-17 21:11 ` Peter Kästle
2020-04-14 18:00 ` [RFC v2 0/9] " Andrzej Pietrasiewicz
2020-04-14 18:00 ` [RFC v2 1/9] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
2020-04-15 9:23 ` Daniel Lezcano
2020-04-14 18:00 ` [RFC v2 2/9] thermal: Eliminate an always-false condition Andrzej Pietrasiewicz
2020-04-14 18:00 ` [RFC v2 3/9] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
2020-04-14 22:14 ` Daniel Lezcano
2020-04-14 18:01 ` [RFC v2 4/9] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-14 22:30 ` Daniel Lezcano
2020-04-14 18:01 ` [RFC v2 5/9] thermal: Store mode in thermal_zone_device Andrzej Pietrasiewicz
2020-04-15 10:55 ` Daniel Lezcano
2020-04-17 16:20 ` [RFC v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-17 16:20 ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-17 20:44 ` Andy Shevchenko
2020-04-19 11:38 ` Bartlomiej Zolnierkiewicz
2020-04-19 13:10 ` Bartlomiej Zolnierkiewicz
2020-04-20 18:17 ` [PATCH 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-20 18:17 ` [PATCH 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-22 7:49 ` kbuild test robot
2020-04-22 17:14 ` Andrzej Pietrasiewicz
2020-04-22 17:03 ` kbuild test robot
2020-04-22 17:15 ` Andrzej Pietrasiewicz
2020-04-20 18:17 ` [PATCH 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-22 16:12 ` [PATCH RESEND 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-23 14:39 ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57 ` [PATCH v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-23 16:57 ` [PATCH v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-05-04 7:00 ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57 ` [PATCH v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-24 9:03 ` Zhang, Rui
2020-04-27 14:20 ` Zhang, Rui
2020-04-27 18:34 ` Andrzej Pietrasiewicz
2020-04-28 13:55 ` Zhang, Rui
2020-04-20 11:03 ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-20 18:19 ` Andrzej Pietrasiewicz
2020-05-23 21:24 ` Daniel Lezcano
2020-05-25 19:35 ` Andrzej Pietrasiewicz
2020-05-25 22:08 ` Daniel Lezcano
2020-05-26 16:56 ` Andrzej Pietrasiewicz
2020-05-27 13:30 ` Bartlomiej Zolnierkiewicz
2020-04-17 16:20 ` [RFC v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-19 13:50 ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Peter Kästle
2020-04-14 18:01 ` [RFC v2 6/9] thermal: Remove get_mode() method Andrzej Pietrasiewicz
2020-04-14 18:01 ` [RFC v2 7/9] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-14 18:01 ` [RFC v2 8/9] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
2020-04-14 18:01 ` [RFC v2 9/9] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-14 21:52 ` [RFC v2 0/9] Stop monitoring disabled devices Ezequiel Garcia
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