From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCHv10 0/5] ARM: remove the sub-node and deprecate supports-highspeed property for dwmmc. Date: Mon, 25 Aug 2014 20:28:21 +0900 Message-ID: <53FB1DD5.3050207@samsung.com> References: <1407397082-32495-1-git-send-email-jh80.chung@samsung.com> <20140825112151.GA21336@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <20140825112151.GA21336@amd> Sender: linux-samsung-soc-owner@vger.kernel.org To: Pavel Machek Cc: linux-mmc , Mark Rutland , devicetree@vger.kernel.org, Ulf Hansson , kgene.kim@samsung.com, heiko@sntech.de, tgih.jun@samsung.com, Chris Ball , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dinguyen@altera.com List-Id: devicetree@vger.kernel.org On 08/25/2014 08:21 PM, Pavel Machek wrote: > On Thu 2014-08-07 16:37:57, Jaehoon Chung wrote: >> Since used the mmc_of_parse(), didn't parse the sub-node. >> So we can remove the sub-node, because almost SoC used the only one card per a host. >> And supports-highspeed can be replaced with "cap-mmc/sd-highspeed" >> property. > > Would it be better to fix parsing of the device tree, and not to > change all the device trees? > > Someone will want to do two slots sooner or later... > First, I had considered that controller can be supported the multiple slot. But MMC maintainers and other people suggested that consider the only one card per a host. Two slots or more don't have any benefit, (power or performance, etc). Best Regards, Jaehoon Chung