linux-kernel - Re: [PATCH 1/3] driver core: Add API to wait for deferred probe to complete during init

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Message-ID: <CACVXFVO3gPMXwzX0WUS4+-FA-SKEKnJt+aK4nL80aTAcEWNLPA@mail.gmail.com>
Date:	Thu, 9 May 2013 22:32:04 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Saravana Kannan <skannan@...eaurora.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Mike Turquette <mturquette@...aro.org>,
	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-arm-msm@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [PATCH 1/3] driver core: Add API to wait for deferred probe to
 complete during init

On Thu, May 9, 2013 at 1:18 PM, Saravana Kannan <skannan@...eaurora.org> wrote:
> Kernel framework (Eg: regulator, clock, etc) might want to do some clean up
> work (Eg: turn off unclaimed resources) after all devices are done probing
> during kernel init. Before deferred probing was introduced, this was

Generally, system resources should be configured as disabled
at default, and for drivers, the correct usage should be only requesting
and enabling the resources just in need, then the sort of 'cleanup' things
can be avoided.


Thanks,
-- 
Ming Lei
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