From: Mark Brown <broonie@kernel.org>
To: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>,
Rob Herring <robherring2@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Stephen Warren <swarren@wwwdotorg.org>,
Javier Martinez Canillas <javier@osg.samsung.com>,
Linus Walleij <linus.walleij@linaro.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 01/18] platform: delay OF device-driver matches until late_initcall
Date: Mon, 10 Aug 2015 11:25:15 +0100 [thread overview]
Message-ID: <20150810102515.GA1965@sirena.org.uk> (raw)
In-Reply-To: <CAAObsKDJsuhuQfLbxq27Mtm1T_Auz7Gohp8PDyK7rNNDyaGhcg@mail.gmail.com>
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On Sun, Aug 09, 2015 at 03:03:14PM +0200, Tomeu Vizoso wrote:
> There was some recent thread about how the disabling of unused clocks
> and regulators isn't really safe because after late_initcall_sync more
> drivers can be registered from modules. Furthermore, there's async
> device probes.
What recent thread and why would that be unsafe? Any driver using a
clock or regulator ought to be making sure that the clock or regulator
is enabled before it tries to use it. The worst that should happen is
that something gets the power bounced during boot which isn't the end of
the world.
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next prev parent reply other threads:[~2015-08-10 10:25 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-06 14:11 [PATCH v3 0/18] On-demand device probing Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 01/18] platform: delay OF device-driver matches until late_initcall Tomeu Vizoso
2015-08-06 20:19 ` Rob Herring
2015-08-07 7:11 ` Tomeu Vizoso
2015-08-07 17:06 ` Grygorii Strashko
2015-08-09 13:03 ` Tomeu Vizoso
2015-08-10 10:25 ` Mark Brown [this message]
2015-09-04 5:46 ` Tomeu Vizoso
2015-08-14 19:09 ` Grygorii Strashko
2015-09-04 8:05 ` Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 02/18] of/platform: add of_platform_probe Tomeu Vizoso
2015-08-07 12:19 ` Mark Brown
2015-08-11 9:37 ` Tomeu Vizoso
2015-09-07 12:31 ` Tomeu Vizoso
2015-09-11 9:57 ` Mark Brown
2015-09-11 14:06 ` Tomeu Vizoso
2015-09-11 15:35 ` Mark Brown
2015-09-15 13:08 ` Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 03/18] gpio: Probe GPIO drivers on demand Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 04/18] gpio: Probe pinctrl devices " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 05/18] regulator: core: Reduce critical area in _regulator_get Tomeu Vizoso
2015-08-07 12:07 ` Mark Brown
2015-08-06 14:11 ` [PATCH v3 06/18] regulator: core: Probe regulators on demand Tomeu Vizoso
2015-08-07 12:09 ` Mark Brown
2015-08-07 13:58 ` Rob Herring
2015-08-06 14:11 ` [PATCH v3 07/18] drm: Probe panels " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 08/18] drm/tegra: Probe dpaux devices " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 09/18] i2c: core: Probe i2c adapters and " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 10/18] pwm: Probe PWM chip " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 11/18] backlight: Probe backlight " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 12/18] usb: phy: Probe phy " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 13/18] clk: Probe clk providers " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 14/18] pinctrl: Probe pinctrl devices " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 15/18] phy: core: Probe phy providers " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 16/18] dma: of: Probe DMA controllers " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 17/18] power-supply: Probe power supplies " Tomeu Vizoso
2015-08-06 14:11 ` [PATCH v3 18/18] ASoC: core: Probe components " Tomeu Vizoso
2015-08-06 20:14 ` [PATCH v3 0/18] On-demand device probing Rob Herring
2015-08-07 6:55 ` Tomeu Vizoso
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