linux-kernel - Re: [PATCH v7 20/20] of/platform: Defer probes of registered devices

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Message-ID: <561EE157.4070604@gmail.com>
Date:	Wed, 14 Oct 2015 16:12:23 -0700
From:	Frank Rowand <frowand.list@...il.com>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
CC:	linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mark Brown <broonie@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alan Stern <stern@...land.harvard.edu>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-arm-kernel@...ts.infradead.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	devicetree@...r.kernel.org,
	Russell King <rmk+kernel@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	linux-acpi@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v7 20/20] of/platform: Defer probes of registered devices

On 9/29/2015 2:10 AM, Tomeu Vizoso wrote:
> Instead of trying to match and probe platform and AMBA devices right
> after each is registered, delay their probes until device_initcall_sync.
                                                     ^^^^^^^^^^^^^^^^^^^^
                                                     late_initcall

> 
> This means that devices will start probing once all built-in drivers
> have registered, and after all platform and AMBA devices from the DT
> have been registered already.
> 
> This allows us to prevent deferred probes by probing dependencies on
> demand.
> 
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---

< snip >

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