Date: Mon, 8 Apr 2013 11:01:52 +0200
From: Martin Pitt <martin.pitt@ubuntu.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, dcbw@redhat.com
Subject: Re: mac80211_hwsim driver attribute
Message-ID: <20130408090152.GA2818@piware.de> (sfid-20130408_110852_108215_14A434BF)
References: <20130403133802.GK2960@piware.de>
 <1364996685.8351.46.camel@jlt4.sipsolutions.net>
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Hello Johannes,

Johannes Berg [2013-04-03 15:44 +0200]:
> Martin,
>=20
> >  /sys/class/net/wlan0/device/driver -> ../../../../bus/pci/drivers/iwlw=
ifi
> >=20
> > But /sys/class/net/wlan1/device/ only has the default "uevent" and
> > subsystem link.
>=20
> I suspect this is because there's no real "device", and therefore no
> real driver.

There are real devices (wlan0, wlan1, etc.); there is also a real
driver (mac80211_hwsim), the only thing that's a bit tricky is that
there is no real bus. My impression is that such devices might belong
to /sys/bus/platform/ ?

> We do play with device_create() in hwsim, which was likely intended to
> address something like this, but I have no idea how this should really
> work.

I figured it out, it works well now. I'll send the patch to the
lists/maintainers, and CC: Dan and you.

Thanks,

Martin
--=20
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)

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