From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [PATCH 2/3] powerpc/esdhc: add property to disable the CMD23 Date: Mon, 17 Sep 2012 08:36:16 -0400 Message-ID: References: <1347347565-17474-1-git-send-email-Chang-Ming.Huang@freescale.com> <1347347565-17474-2-git-send-email-Chang-Ming.Huang@freescale.com> <20120911075429.GA27028@lizard> <20120911080457.GA28235@lizard> <110EED8CC96DFC488B7E717A2027A27C176170@039-SN1MPN1-002.039d.mgd.msft.net> <6D8C87BA-CA06-4215-94F5-63EBF5162B0A@kernel.crashing.org> <2A6FCAE3-288F-4972-90C0-15105932F13E@kernel.crashing.org> <87k3w0y5yn.fsf@octavius.laptop.org> <8B1F0805-759E-417A-B787-40DF197896F3@kernel.crashing.org> <110EED8CC96DFC488B7E717A2027A27C1785D0@039-SN1MPN1-002.039d.mgd.msft.net> <4E15F856-D385-40C4-A5FD-5F298C70F402@kernel.crashing.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:37567 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756162Ab2IQMgH (ORCPT ); Mon, 17 Sep 2012 08:36:07 -0400 In-Reply-To: <4E15F856-D385-40C4-A5FD-5F298C70F402@kernel.crashing.org> (Kumar Gala's message of "Thu, 13 Sep 2012 07:47:33 -0500") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Kumar Gala Cc: Huang Changming-R66093 , "linuxppc-dev@lists.ozlabs.org list" , "linux-mmc@vger.kernel.org" , Anton Vorontsov Hi, On Thu, Sep 13 2012, Kumar Gala wrote: >>> Can you list out which SoCs support it and which don't. Having this list >>> will be useful in understanding which controller versions supported it. >>> >> P1020, p1021, p1022, p1024, p1015 and p4080 can't support it. >> Mpc8536, p2020, and the other current DPAA silicon (e.g. p5020, p3041) support it. > > Based on this, why don't we use the HOSTVER register to detect instead of device tree: I've got a mild preference for handling quirk assignment in the DT rather than in driver code, so I'd prefer to just push the original patch to mmc-next as-is. Does that sound okay? (I think the argument that there isn't going to be any new hardware with this problem is equally in favor of both methods.) Thanks, - Chris. -- Chris Ball One Laptop Per Child