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Message-ID: <4A9FF1FB.5090507@dell.com>
Date: Thu, 03 Sep 2009 11:42:35 -0500
From: Mario Limonciello <mario_limonciello@dell.com>
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To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: Matthew Garrett <mjg59@srcf.ucam.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Dell-laptop is not working without wireless
References: <20090818060340.E1C7A526EA5@mailhub.coreip.homeip.net> <20090818121049.GB22284@srcf.ucam.org> <20090903153215.E51F8526EA5@mailhub.coreip.homeip.net>
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Hi Dmitry:

Dmitry Torokhov wrote:
> On Tue, Aug 18, 2009 at 01:10:49PM +0100, Matthew Garrett wrote:
>  =20
>
> Admittedly I have not spend much time on it but it looks like my box
> _really_ wants wifi interface to be fully operational before
> dcsbas_smi_request() starts returning proper data. I wonder if iwl3945'=
s
> rfkill support interferes somehow here...
>
> Maybe Mario (being a Dell guy) has an idea why this might be happening?=

>
>  =20
I'm on 2.6.31-rc8 or so.  I can't actually reproduce this on a d630.  I
get all of the rfkill devices populated.

$ rfkill list
0: dell-wifi: Wireless LAN
    Soft blocked: yes
    Hard blocked: yes
1: dell-bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: yes
2: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
$ sudo rmmod iwl3945 iwlcore dell-laptop
$ rfkill list
$ sudo modprobe dell-laptop
$ rfkill list
3: dell-wifi: Wireless LAN
    Soft blocked: yes
    Hard blocked: yes
4: dell-bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: yes

<hit the hardware killswitch>

$ rfkill list
3: dell-wifi: Wireless LAN
    Soft blocked: yes
    Hard blocked: yes
4: dell-bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: yes
5: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
$ sudo modprobe iwl3945
$ rfkill list
3: dell-wifi: Wireless LAN
    Soft blocked: yes
    Hard blocked: yes
4: dell-bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: yes
5: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
6: phy1: Wireless LAN
    Soft blocked: no
    Hard blocked: no

There *is* a problem here that the hardware killswitch status doesn't
get updated, but Matthew is aware of that.  Make sure you're not getting
false data because of it.

--=20
Mario Limonciello
*Dell | Linux Engineering*
mario_limonciello@dell.com


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