From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree Date: Fri, 29 Apr 2016 19:12:48 +0100 Message-ID: <20160429181248.GW19428@n2100.arm.linux.org.uk> References: <1461951139-6109-1-git-send-email-dianders@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1461951139-6109-1-git-send-email-dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> Sender: devicetree-spec-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Douglas Anderson Cc: ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org, adrian.hunter-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, stefan-XLVq0VzYD2Y@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Heiko Stuebner , jszhang-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-spec-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, vbyravarasu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, grundler-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, lporzio-AL4WhLSQfzjQT0dZR+AlfA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, chaotian.jing-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org, sudeep.holla-5wv7dgnIgG8@public.gmane.org, zhonghui.fu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org List-Id: devicetree@vger.kernel.org On Fri, Apr 29, 2016 at 10:32:15AM -0700, Douglas Anderson wrote: > This series picks patches from various different places to produce what > I consider the best solution to getting consistent mmc and mmcblk > ordering. > > Why consistent ordering and why not just use UUIDs? IMHO consistent > ordering solves a few different problems: NAK. Really. Use UUIDs, that's the proper solution here. Exactly the same issue arises if you have more than one ATA or SCSI adapter in your PC - things can be probed out of order and end up in different /dev/sd* slots. -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.