From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754472AbaHFJZE (ORCPT ); Wed, 6 Aug 2014 05:25:04 -0400 Received: from cantor2.suse.de ([195.135.220.15]:36716 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753806AbaHFJZB (ORCPT ); Wed, 6 Aug 2014 05:25:01 -0400 Date: Wed, 06 Aug 2014 11:24:58 +0200 Message-ID: From: Takashi Iwai To: Jean-Michel Hautbois Cc: Shuah Khan , B_B_Singh@dell.com, Greg KH , Abhay_Salunke@dell.com, Arnd Bergmann , Kay Sievers , Ming Lei , Stefan Roese , Tom Gundersen , Stuart_Hayes@dell.com, Srinivas_G_Gowda@dell.com, linux-kernel Subject: Re: patch "firmware loader: allow disabling of udev as firmware loader" added to driver-core tree In-Reply-To: References: <14048583172593@kroah.com> <8B2F6FFD0BD1E448853114367400A37306FD6FBBE9@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FD6FBBF8@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FD6FBC06@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FD6FBDAB@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FE07C773@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FE07CC64@BLRX7MCDC203.AMER.DELL.COM> <8B2F6FFD0BD1E448853114367400A37306FE311D74@BLRX7MCDC203.AMER.DELL.COM> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Wed, 6 Aug 2014 11:10:27 +0200, Jean-Michel Hautbois wrote: > > 2014-08-05 21:22 GMT+02:00 Shuah Khan : > > On Tue, Aug 5, 2014 at 10:01 AM, Takashi Iwai wrote: > >>> Yes, it worked, if the firmware was in the /lib/firmware directory. > >> > > > > ok it works when the firmware is in /lib/firmware. It sounds to me the > > reason load fails when the firmware is under /sys/class/firmware is > > fw_load_from_user_helper() returns -ENOENT when > > CONFIG_FW_LOADER_USER_HELPER is disabled. > > > > It would be nice to see the entire dmesg with debug enabled though. > > > > -- Shuah > > It does not work with the 3.16 kernel even when firmware is in > /lib/firmware, it worked before this patch is applied. Hm? 3.16 doesn't contain my patch yet. It's merged for 3.17-rc1. > Here is what I got in my dmesg : > [ 0.307856] __allocate_fw_buf: fw-lattice-ecp3.bit buf=bd81a480 > [ 0.308029] lattice-ecp3 spi2.3: Direct firmware load for > lattice-ecp3.bit failed with error -2 It's -ENOENT. Are you sure that you really have /lib/firmware/lattice-ecp3.bit file? Takashi > [ 0.308078] __fw_free_buf: fw-lattice-ecp3.bit buf=bd81a480 data= > (null) size=0 > [ 0.308094] lattice-ecp3 spi2.3: Cannot load firmware, aborting > > If you want specific messages, please tell me. > > Thanks, > JM >