From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Subject: Re: Adding aliases to mmc Date: Wed, 18 Sep 2013 19:01:25 +0200 Message-ID: <5239DC65.3080803@gmail.com> References: <5239C40C.9030503@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5239C40C.9030503-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: Fabio Estevam , linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Sascha Hauer List-Id: devicetree@vger.kernel.org Am 18.09.2013 17:17, schrieb Stephen Warren: > On 09/17/2013 12:04 PM, Fabio Estevam wrote: >> Hi Dirk, >> >> I have adapted your patch at: >> http://lists.infradead.org/pipermail/linux-arm-kernel/2012-July/111022.html >> >> and tested it on 3.12-rc1 on a mx6qsabresd board. >> >> Do you have plans to submit it? Maybe as a RFC? >> >> It solves the mmcblkX order issue on my tests and it would be nice we >> could have this problem addressed. > > Patches to make mmc block devices have static names have been proposed > in the past and rejected. I think the main reason is that the block > device names are (or can be) dynamic, so anything that assumes a > particular naming scheme is simply broken. > > The correct solution is to use e.g. root=UUID=xxx or root=PARTUUID=xxx, > or similar techniques for other filesystems (e.g. /etc/fstab) To my understanding this doesn't work if you need to have your rootfs on a SD card/eMMC with different UUIDs on each board (SD card/eMMC)? Best regards Dirk -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html