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

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Date:	Thu, 9 May 2013 18:07:56 +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:
>
> The most obvious fallback of using late_initcall_sync() also doesn't work
> since the deferred probing work initated during late_initcall() is done in
> a workqueue. So, frameworks that want to wait for all devices to finish
> probing during init will now have to wait for the deferred workqueue to
> finish it's work. This patch adds a wait_for_init_deferred_probe_done() API

flush_workqueue() has been added in deferred_probe_initcall(), so looks it
should be OK for your problem, doesn't it?


Thanks,
-- 
Ming Lei
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