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Date: Tue, 24 Jan 2012 10:55:29 +0000
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Liam Girdwood <lrg@ti.com>, Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.de>, Lars-Peter Clausen <lars@metafoo.de>,
        Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
        Mike Frysinger <vapier@gentoo.org>, Daniel Mack <zonque@gmail.com>,
        alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: Hang up at .prepare( )
Message-ID: <20120124105528.GA20519@opensource.wolfsonmicro.com>
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On Tue, Jan 24, 2012 at 06:38:45PM +0900, Tomoya MORINAGA wrote:

> I've faced issue when installing these drivers,
> system becomes hang up at async_synchronize_full_domain() of
> dapm_power_widgets()
> in .prepare().

> Do you have any information about this hang up ?

> I show details below.

What efforts have you made to debug this yourself?  Clearly this is not
happening for other people, perhaps it is related to something you have
in your drivers - have you addressed the issues raised with them?