From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH -next] smsc911x: Fix crash seen if neither ACPI nor OF is configured or used Date: Mon, 17 Aug 2015 14:06:37 -0700 (PDT) Message-ID: <20150817.140637.1398365618268358269.davem@davemloft.net> References: <1439844336-21596-1-git-send-email-linux@roeck-us.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: steve.glendinning@shawell.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jeremy.linton@arm.com To: linux@roeck-us.net Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:36261 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750942AbbHQVGi (ORCPT ); Mon, 17 Aug 2015 17:06:38 -0400 In-Reply-To: <1439844336-21596-1-git-send-email-linux@roeck-us.net> Sender: netdev-owner@vger.kernel.org List-ID: From: Guenter Roeck Date: Mon, 17 Aug 2015 13:45:36 -0700 > Commit 0b50dc4fc971 ("Convert smsc911x to use ACPI as well as DT") makes > the call to smsc911x_probe_config() unconditional, and no longer fails if > there is no device node. device_get_phy_mode() is called unconditionally, > and if there is no phy node configured returns an error code. This error > code is assigned to phy_interface, and interpreted elsewhere in the code > as valid phy mode. This in turn causes qemu to crash when running a > variant of realview_pb_defconfig. > > qemu: hardware error: lan9118_read: Bad reg 0x86 > > Fixes: 0b50dc4fc971 ("Convert smsc911x to use ACPI as well as DT") > Cc: Jeremy Linton > Cc Graeme Gregory > Signed-off-by: Guenter Roeck Applied, thanks.