From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH v2 0/4] Patches to allow consistent mmc / mmcblk numbering w/ device tree Date: Wed, 4 May 2016 09:18:01 +0200 Message-ID: <20160504071801.GA17045@amd> References: <1461951139-6109-1-git-send-email-dianders@chromium.org> <20160429181248.GW19428@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160429181248.GW19428@n2100.arm.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org To: Russell King - ARM Linux Cc: Douglas Anderson , ulf.hansson@linaro.org, jh80.chung@samsung.com, shawn.lin@rock-chips.com, adrian.hunter@intel.com, stefan@agner.ch, linux-mmc@vger.kernel.org, computersforpeace@gmail.com, dmitry.torokhov@gmail.com, Heiko Stuebner , jszhang@marvell.com, linux-rockchip@lists.infradead.org, devicetree-spec@vger.kernel.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org, vbyravarasu@nvidia.com, lars@metafoo.de, jonathanh@nvidia.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, grundler@chromium.org, galak@codeaurora.org, lporzio@micron.com, robh+dt@kernel.org, chaotian.jing@mediatek.com, sergei.shtylyov@cogentembedded.com, sudeep.holla@arm.com, zhonghui.fu@linux.intel.com, kirill.shutemov@linux.intel.com List-Id: devicetree@vger.kernel.org On Fri 2016-04-29 19:12:48, Russell King - ARM Linux wrote: > 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. Except that UUIDs do not solve the problem. You have just booted of nfsroot, and you want to format u-SD card in the external slot. How do you do that? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html