From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: defconfig for panda Date: Fri, 20 Apr 2012 10:13:49 -0700 Message-ID: <20120420171345.GE21106@atomide.com> References: <1F91D012-8308-45BB-83AD-90E52D472AC2@kernel.crashing.org> <20120330184859.GB8240@atomide.com> <20120330213930.GC8240@atomide.com> <20120420160126.GA21441@beef> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:46778 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754669Ab2DTRNx (ORCPT ); Fri, 20 Apr 2012 13:13:53 -0400 Content-Disposition: inline In-Reply-To: <20120420160126.GA21441@beef> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Matt Porter Cc: Kumar Gala , linux-omap@vger.kernel.org, Felipe Balbi * Matt Porter [120420 09:04]: > On Fri, Mar 30, 2012 at 02:39:32PM -0700, Tony Lindgren wrote: > > * Kumar Gala [120330 14:14]: > > > > > > On Mar 30, 2012, at 1:48 PM, Tony Lindgren wrote: > > > > > > > Hi, > > > > > > > > * Kumar Gala [120329 12:24]: > > > >> As I'm new to the OMAP community this might be a stupid question but trying to just build and run a stock v3.3 kernel on a pandaboard. In doing so it seems as if some basic drivers are not enabled in omap2plus_defconfig for the board. I'm trying to figure out if this is normal for some reason or just an oversight. > > > >> > > > >> For example, USB and USB ethernet (SMC95xx). I notice the linaro kernel tree introduces an omap4_defconfig, so just wondering should I send patches to omap2plus_defconfig or what? > > > > > > > > We can add those to omap2plus_defconfig for sure, but let's have > > > > them added as modules. Then distros can use that easily in a > > > > standard way using initramfs-tools etc. > > > > > > > > Let's not change the drivers that are currently built in if they're > > > > needed for mounting mmc or nfsroot. Those can be changed later on. > > > > > > I'll work up a patch, however I was doing this as I was trying to get NFS root working and thus would need USB + USB ethernet compiled in and not as modules for panda. Is that ok? > > > > Maybe, let's take a look how much bigger the kernel becomes. > > Also we need to check if the same EHCI configuration works > > for omap3/4. > > FWIW, the same EHCI + SMSC95xx config is used for Beagle xM for > nfsroot. First thing I enable on any builds. OK, can somebody please do a minimal patch to omap2plus_defconfig for this? Basically run make savedefconfig with those changes added and then diff against omap2plus_defconfig. Tony