From: Paul Cercueil <paul@crapouillou.net>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Mathieu Malaterre <malat@debian.org>,
Thierry Reding <thierry.reding@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paul.burton@mips.com>,
James Hogan <jhogan@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Ezequiel Garcia <ezequiel@collabora.co.uk>,
PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>,
linux-pwm@vger.kernel.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
linux-watchdog@vger.kernel.org, linux-mips@vger.kernel.org,
linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, od@zcrc.me,
Maarten ter Huurne <maarten@treewalker.org>
Subject: Re: [PATCH v8 05/26] clocksource: Add driver for the Ingenic JZ47xx OST
Date: Wed, 23 Jan 2019 14:25:53 -0300 [thread overview]
Message-ID: <1548264353.3173.1@crapouillou.net> (raw)
In-Reply-To: <128675a5-7ede-4114-a649-89a536346dc8@roeck-us.net>
Hi,
Le mer. 23 janv. 2019 à 11:31, Guenter Roeck <linux@roeck-us.net> a
écrit :
> On 1/23/19 4:58 AM, Mathieu Malaterre wrote:
>> On Wed, Dec 12, 2018 at 11:09 PM Paul Cercueil
>> <paul@crapouillou.net> wrote:
>>>
>>> From: Maarten ter Huurne <maarten@treewalker.org>
>>>
>>> OST is the OS Timer, a 64-bit timer/counter with buffered reading.
>>>
>>> SoCs before the JZ4770 had (if any) a 32-bit OST; the JZ4770 and
>>> JZ4780 have a 64-bit OST.
>>>
>>> This driver will register both a clocksource and a sched_clock to
>>> the
>>> system.
>>>
>>> Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
>>> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
>>> ---
>>>
>>> Notes:
>>> v5: New patch
>>>
>>> v6: - Get rid of SoC IDs; pass pointer to
>>> ingenic_ost_soc_info as
>>> devicetree match data instead.
>>> - Use device_get_match_data() instead of the of_* variant
>>> - Handle error of dev_get_regmap() properly
>>>
>>> v7: Fix section mismatch by using
>>> builtin_platform_driver_probe()
>>>
>>> v8: builtin_platform_driver_probe() does not work anymore in
>>> 4.20-rc6? The probe function won't be called. Work around
>>> this
>>> for now by using late_initcall.
>>>
>
> Did anyone notice this ? Either something is wrong with the driver, or
> with the kernel core. Hacking around it seems like the worst possible
> "solution".
I can confirm it still happens on 5.0-rc3.
Just to explain what I'm doing:
My ingenic-timer driver probes with builtin_platform_driver_probe (this
works),
and then calls of_platform_populate to probe its children. This driver,
ingenic-ost, is one of them, and will fail to probe with
builtin_platform_driver_probe.
-Paul
next prev parent reply other threads:[~2019-01-23 17:26 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-12 22:08 [PATCH v8 00/26] Ingenic TCU patchset v8 Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 01/26] dt-bindings: ingenic: Add DT bindings for TCU clocks Paul Cercueil
2018-12-17 23:18 ` Stephen Boyd
2018-12-12 22:08 ` [PATCH v8 02/26] doc: Add doc for the Ingenic TCU hardware Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 03/26] dt-bindings: Add doc for the Ingenic TCU drivers Paul Cercueil
2018-12-17 21:05 ` Rob Herring
2018-12-17 22:03 ` Paul Cercueil
2018-12-18 16:36 ` Rob Herring
2018-12-22 11:09 ` Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 04/26] clocksource: Add a new timer-ingenic driver Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 05/26] clocksource: Add driver for the Ingenic JZ47xx OST Paul Cercueil
2019-01-23 12:58 ` Mathieu Malaterre
2019-01-23 14:31 ` Guenter Roeck
2019-01-23 17:25 ` Paul Cercueil [this message]
2019-01-23 18:01 ` Guenter Roeck
2019-01-24 19:28 ` Stephen Boyd
2019-01-24 20:46 ` Paul Cercueil
2019-01-24 22:46 ` Stephen Boyd
2019-01-24 22:53 ` Paul Cercueil
2019-02-23 3:17 ` Paul Cercueil
2019-02-25 18:05 ` Stephen Boyd
2019-02-27 23:54 ` Paul Cercueil
2019-01-23 17:27 ` Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 06/26] MAINTAINERS: Add myself as maintainer for Ingenic TCU drivers Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 07/26] watchdog: jz4740: Use WDT clock provided by TCU driver Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 08/26] watchdog: jz4740: Use regmap " Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 09/26] watchdog: jz4740: Avoid starting watchdog in set_timeout Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 10/26] watchdog: jz4740: Drop dependency on MACH_JZ47xx, use COMPILE_TEST Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 11/26] pwm: jz4740: Use regmap and clocks from TCU driver Paul Cercueil
2018-12-13 9:30 ` Uwe Kleine-König
2018-12-13 14:34 ` Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 12/26] pwm: jz4740: Allow selection of PWM channels 0 and 1 Paul Cercueil
2018-12-13 9:18 ` Uwe Kleine-König
2018-12-13 13:58 ` Paul Cercueil
2018-12-13 20:32 ` Uwe Kleine-König
2018-12-16 13:36 ` Paul Cercueil
2018-12-17 7:43 ` Uwe Kleine-König
2018-12-12 22:09 ` [PATCH v8 13/26] pwm: jz4740: Drop dependency on MACH_INGENIC, use COMPILE_TEST Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 14/26] pwm: jz4740: Remove unused devicetree compatible strings Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 15/26] pwm: jz4740: Add support for the JZ4725B Paul Cercueil
2018-12-13 9:24 ` Uwe Kleine-König
2018-12-13 14:03 ` Paul Cercueil
2018-12-13 16:18 ` Thierry Reding
2018-12-13 20:42 ` Uwe Kleine-König
2018-12-14 13:50 ` Linus Walleij
2018-12-14 14:26 ` Uwe Kleine-König
2018-12-14 14:56 ` Linus Walleij
2018-12-16 14:18 ` Paul Cercueil
2018-12-17 7:53 ` Uwe Kleine-König
2018-12-20 17:39 ` Thierry Reding
2018-12-20 20:58 ` Uwe Kleine-König
2018-12-12 22:09 ` [PATCH v8 16/26] clk: jz4740: Add TCU clock Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 17/26] MIPS: Kconfig: Select TCU timer driver when MACH_INGENIC is set Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 18/26] MIPS: jz4740: Add DTS nodes for the TCU drivers Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 19/26] MIPS: qi_lb60: Move PWM devices to devicetree Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 20/26] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz Paul Cercueil
2018-12-12 22:12 ` [PATCH v8 21/26] MIPS: CI20: Reduce system timer and clocksource to 3 MHz Paul Cercueil
2018-12-12 22:12 ` [PATCH v8 22/26] MIPS: CI20: defconfig: enable OST driver Paul Cercueil
2018-12-12 22:13 ` [PATCH v8 23/26] MIPS: GCW0: Move clocksource to TCU channel 2 Paul Cercueil
2018-12-12 22:13 ` [PATCH v8 24/26] MIPS: GCW0: Reduce system timer and clocksource to 750 kHz Paul Cercueil
2018-12-12 22:14 ` [PATCH v8 25/26] MIPS: GCW0: defconfig: Enable OST, watchdog, PWM drivers Paul Cercueil
2018-12-12 22:15 ` [PATCH v8 26/26] MIPS: jz4740: Drop obsolete code Paul Cercueil
2019-01-24 21:26 ` [PATCH v8 00/26] Ingenic TCU patchset v8 Mathieu Malaterre
2019-01-24 21:41 ` Paul Cercueil
2019-01-25 8:21 ` Mathieu Malaterre
2019-01-25 17:04 ` Paul Cercueil
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