Return-path: Received: from mail-oa0-f46.google.com ([209.85.219.46]:62370 "EHLO mail-oa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752103Ab3CZRBQ convert rfc822-to-8bit (ORCPT ); Tue, 26 Mar 2013 13:01:16 -0400 Received: by mail-oa0-f46.google.com with SMTP id k1so7828439oag.5 for ; Tue, 26 Mar 2013 10:01:16 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <5151B106.6020800@dpets.co.uk> References: <51514F1B.1080207@dpets.co.uk> <5151639F.4010700@broadcom.com> <51516BC2.5010004@dpets.co.uk> <515173A4.7030607@broadcom.com> <515179C5.50406@dpets.co.uk> <51517E28.5000303@broadcom.com> <515182C6.5030305@dpets.co.uk> <51518682.7060503@broadcom.com> <515189C6.7070003@dpets.co.uk> <51518E14.3050500@broadcom.com> <5151B106.6020800@dpets.co.uk> Date: Tue, 26 Mar 2013 18:01:16 +0100 Message-ID: (sfid-20130326_180123_068128_EAFF8B97) Subject: Re: brcmsmac in kernel driver on a Samsung NC110 From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= To: John Talbut Cc: Arend van Spriel , linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: 2013/3/26 John Talbut : > On 26/03/13 12:01, Arend van Spriel wrote: >> On 03/26/2013 12:43 PM, John Talbut wrote: >>> On 26/03/13 11:29, Arend van Spriel wrote: >>>> On 03/26/2013 12:13 PM, John Talbut wrote: >>>>> >>>>> On 26/03/13 10:53, Arend van Spriel wrote: >>>>>> On 03/26/2013 11:34 AM, John Talbut wrote: >>>>>>> Kernel log attached. >>>>>>> >>>>>> >>>>>> Now this is weird. I do not see any BCMA log messages. Can you give >>>>>> output of following command: >>>>>> >>>>>> $ lspci -n -s 1:0.0 >>>>> >>>>> 01:00.0 0280: 14e4:4357 (rev 01) >>>> >>>> Ok, no problem there. >>>> >>>> digging further in sysfs. Can you execute the following commands: >>>> >>>> if it exists: >>>> $ ls /sys/bus/bcma >>>> $ ls /sys/bus/bcma/devices >>>> $ ls /sys/bus/bcma/drivers >>>> >>>> if it exists also following: >>>> $ ls -l /sys/bus/bcma/drivers/brcmsmac >>> >>> root@johnwtnc110:/usr/src/linux-source-3.8# ls /sys/bus/bcma >>> devices drivers drivers_autoprobe drivers_probe uevent >>> root@johnwtnc110:/usr/src/linux-source-3.8# ls /sys/bus/bcma/devices >> >> The fact that there are no devices detected under bcma is suspicious. >> Adding bcma developer to the list. Maybe he knows about issues when >> having bcma compiled in kernel image. >> >> Regards, >> Arend > > I have just noticed that with a previous version of the kernel which I > had compiled with > # CONFIG_BCMA is not set > > there are references to brcmsmac in the kernel log. It complains about > failing to find the firmware, though. In earlier kernels brcmsmac was re-implementing "bcma" on it's own. It was changed, so now brcmsmac operates just on the bcma 80211 core. You need both: bcma and brcmsmac loaded. -- Rafał