From: Pavel Machek <pavel@ucw.cz>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: "Mario 'BitKoenig' Holbe" <Mario.Holbe@TU-Ilmenau.DE>,
linux-kernel@vger.kernel.org
Subject: Re: b43 wireless driver inhibits access to /dev/hwrng
Date: Sat, 31 Jul 2010 08:15:36 +0200 [thread overview]
Message-ID: <20100731061536.GA4945@ucw.cz> (raw)
In-Reply-To: <20100723143219.GA2426@tuxdriver.com>
On Fri 2010-07-23 10:32:19, John W. Linville wrote:
> On Fri, Jul 23, 2010 at 12:52:12AM +0200, Mario 'BitKoenig' Holbe wrote:
> > Hello,
> >
> > the b43 wireless driver inhibits access to /dev/hwrng while the wireless
> > network interface is down. When the interface is up, /dev/hwrng is
> > accessible:
>
> <snip>
>
> > I have no idea whether this issue belongs to the b43 driver or to the
> > rng core.
>
> The hwrng driver is provided by the b43 hardware, which is shutdown
> when the network interface is down. I'm not sure how one could expect
> this to work.
Well... either don't provide hwrng interface, or power up enough of
b43 hardware when user opens /dev/hwrng...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
prev parent reply other threads:[~2010-07-31 6:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-22 22:52 b43 wireless driver inhibits access to /dev/hwrng Mario 'BitKoenig' Holbe
2010-07-23 14:32 ` John W. Linville
2010-07-23 15:31 ` Mario 'BitKoenig' Holbe
2010-07-23 17:32 ` John W. Linville
2010-07-23 18:21 ` Mario 'BitKoenig' Holbe
2010-07-31 6:15 ` Pavel Machek [this message]
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