Return-path: Received: from mail-vw0-f46.google.com ([209.85.212.46]:65294 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750709Ab0FFJ3L convert rfc822-to-8bit (ORCPT ); Sun, 6 Jun 2010 05:29:11 -0400 Received: by vws5 with SMTP id 5so1900073vws.19 for ; Sun, 06 Jun 2010 02:29:10 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <201006041025.08348.rossi.f@inwind.it> References: <201006021129.43621.rossi.f@inwind.it> <201006041025.08348.rossi.f@inwind.it> From: "Luis R. Rodriguez" Date: Sun, 6 Jun 2010 02:28:50 -0700 Message-ID: Subject: Re: WARNING: at drivers/base/core.c:130 device_release+0x82/0x90() To: Fabio Rossi Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, Jun 4, 2010 at 1:25 AM, Fabio Rossi wrote: > On Wednesday 02 June 2010 23:42:14 Luis R. Rodriguez wrote: > >> On Wed, Jun 2, 2010 at 2:29 AM, Fabio Rossi wrote: >> > Compiling the kernel without ACPI (CONFIG_ACPI=n) gives the following >> > warning: >> > >> > cfg80211: Calling CRDA to update world regulatory domain >> > cfg80211: World regulatory domain updated: >> >    (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) >> >    (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >> > ath5k 0000:08:01.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 >> > ath5k 0000:08:01.0: registered as 'phy0' >> > ath5k phy0: request_irq failed >> > ------------[ cut here ]------------ >> >> Since traces are printed reversed you will have to read my logic from >> bottom to top: >> >> Seems we need to implement the dev_release() op for the class of our >> devices. > > Shall I open a bug in kernel bugzilla to keep trace of this? Nah something else is up... struct class ieee80211_class = { .name = "ieee80211", .owner = THIS_MODULE, .dev_release = wiphy_dev_release, .dev_attrs = ieee80211_dev_attrs, #ifdef CONFIG_HOTPLUG .dev_uevent = wiphy_uevent, #endif .suspend = wiphy_suspend, .resume = wiphy_resume, };