From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: Re: New MMC maintainer needed Date: Tue, 11 Aug 2009 15:02:24 +0100 Message-ID: <20090811140223.GA4278@console-pimps.org> References: <20090714153601.6dfe70ff@mjolnir.ossman.eu> <20090722151744.fffd7bf5.akpm@linux-foundation.org> <20090728222334.0c543c47@mjolnir.ossman.eu> <20090731122623.254fd0f1@mjolnir.ossman.eu> <20090731105407.GA31900@console-pimps.org> <20090803123429.390a636f@mjolnir.ossman.eu> <4A76C658.6050002@nokia.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <4A76C658.6050002@nokia.com> Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Adrian Hunter Cc: Pierre Ossman , Andrew Morton , "linux-kernel@vger.kernel.org" , "linux-embedded@vger.kernel.org" , "nico@cam.org" , "nicolas.ferre@rfo.atmel.com" , "hskinnemoen@atmel.com" , "tony@atomide.com" , "david-b@pacbell.net" , "manuel.lauss@gmail.com" , "mirq-linux@rere.qmqm.pl" , "ppisa@pikron.com" , "Lavinen Jarkko (Nokia-D/Helsinki)" , "ben@fluff.org" , "saschasommer@freenet.de" , "avorontsov@ru.mvista.com" , "oakad@yahoo.com" , "ian@mnementh.co.uk" , HaraldWelte@viate On Mon, Aug 03, 2009 at 02:13:28PM +0300, Adrian Hunter wrote: > Pierre Ossman wrote: >> Con: >> >> - The scanning code gets less clear as you increase the number of >> possible paths through it. >> >> - Different systems will have different init sequences, possibly >> provoking bugs in the cards. >> >> - Host driver writers now have more capability bits they have to >> consider. And these might be less than obvious since SD/MMC/SDIO are >> normally compatible so these bits seem useless. >> >> - With the current logic (which was better in the first version), >> "normal" drivers will have to explicitly state that they work as >> intended by setting all bits. > > And the pro is objective. > >> Pro: >> >> - A slightly reduced scanning time. > > That's great! Why do you disregard this so easily? > Ping. Adrian, do you have any initialisation times for this patch? I'm afraid I don't have any eMMC hardware, so I'm not able to gather any numbers.