Return-path: Received: from mail-ot0-f195.google.com ([74.125.82.195]:35832 "EHLO mail-ot0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751797AbeBDUDx (ORCPT ); Sun, 4 Feb 2018 15:03:53 -0500 Received: by mail-ot0-f195.google.com with SMTP id a2so13729883otf.2 for ; Sun, 04 Feb 2018 12:03:52 -0800 (PST) Subject: Re: Fw: Regression: bcm4312 lp-phy device not recognized in 4.15 kernel To: Chris Vine , b43-dev@lists.infradead.org, linux-wireless@vger.kernel.org References: <20180204185855.74e6ade5@bother.homenet> From: Florian Fainelli Message-ID: <935a4987-c481-f4e4-16d7-f5f56adcfee0@gmail.com> (sfid-20180204_210357_290006_36F8803E) Date: Sun, 4 Feb 2018 12:03:49 -0800 MIME-Version: 1.0 In-Reply-To: <20180204185855.74e6ade5@bother.homenet> Content-Type: text/plain; charset=windows-1252 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 02/04/2018 10:58 AM, Chris Vine wrote: > I probably should have copied this to the relevant kernel wireless > mailing lists. Anyway, here it is. > > As a further datum point, the b43 driver works fine with the 4.15.0-rc3 > kernel. So something seems to have changed between that and 4.15.0. Does this patch help? https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 > > Chris > > Begin forwarded message: > > Date: Mon, 29 Jan 2018 23:37:49 +0000 > From: Chris Vine > To: Linux Kernel Mailing List > Subject: Regression: bcm4312 lp-phy device not recognized in 4.15 kernel > > > I have an old netbook with a Broadcom bcm4312 802.11b/g lp-phy > [14e4:4315] (rev 01) wifi device. It is no longer recognized in kernel > 4.15: it works fine with the 4.14 kernel and earlier, with the b43 and > ssb kernel modules. > > I cannot give any further information as there are no error messages > logged. The b43 firmware (wl-5.100.138) is not loaded for it, nor are > the ssb/b43/bcma/ mmc_core/mac80211/cfg80211 modules. The modules can > be loaded by hand without error, but nothing happens and no network > interface is presented. > > This is a pretty slow and rubbish netbook but is useful when travelling > to a country which might impound your laptop (no names) and you don't > mind too much losing it. It would be nice to continue to be able to > use it for that. > > Chris > -- Florian