From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754197Ab3AaW1G (ORCPT ); Thu, 31 Jan 2013 17:27:06 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:40864 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756780Ab3AaW1B (ORCPT ); Thu, 31 Jan 2013 17:27:01 -0500 X-AuditID: cbfee61a-b7f7d6d000000f4e-3e-510aefb37748 From: Kukjin Kim To: "'Tomasz Figa'" , "'Vivek Gautam'" Cc: linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, grant.likely@secretlab.ca, dianders@chromium.org, jg1.han@samsung.com References: <1358257112-19595-1-git-send-email-gautam.vivek@samsung.com> <1358257112-19595-3-git-send-email-gautam.vivek@samsung.com> <2542030.a14I18dBkO@flatron> In-reply-to: <2542030.a14I18dBkO@flatron> Subject: RE: [PATCH v4 2/4] ARM: Exynos5250: Enabling ohci-exynos driver Date: Thu, 31 Jan 2013 14:26:51 -0800 Message-id: <0b0001ce0002$12ecda90$38c68fb0$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: AQJEIxpz/CmB/m1IOaI9mgyw8JBKXgHLtojJAldm8kWXVA+1sA== Content-language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrJIsWRmVeSWpSXmKPExsVy+t8zY93N77kCDbrWmltc3jWHzWLG+X1M FouWtTI7MHt83iQXwBjFZZOSmpNZllqkb5fAlXHrmGZBD0dFW+sDpgbGfrYuRk4OCQETiY+T fkHZYhIX7q0Hsrk4hASWMUoc+naNHaZoTv8xFojEIkaJxmv3GUESQgJ/GSXW75YAsdkENCQO v38G1iAiECbRu2kyO0gDs8A5RonHj1YijF379DkTSBWngKbEyevvwWxhAQ+JqeuPgk1lEVCV aPkykwXE5hWwlDj/5xI7hC0o8WPyPbA4s4CWxPqdx5kgbHmJzWveMkOcqiCx4+xrRogrnCQu nLnADFEjLjHpwUOwiyQE1rFLLN7+HGqZgMS3yYeAhnIAJWQlNh2AmiMpcXDFDZYJjBKzkKye hWT1LCSrZyFZsYCRZRWjaGpBckFxUnquoV5xYm5xaV66XnJ+7iZGSMRJ7WBc2WBxiFGAg1GJ h1fDkTNQiDWxrLgy9xCjBAezkgjvzRdcgUK8KYmVValF+fFFpTmpxYcYk4GOncgsJZqcD0wG eSXxhsbGJmYmpibmlqbmpqQJK4nzMp56EiAkkJ5YkpqdmlqQWgSzhYmDU6qB0dydiVtpypbP UqqdQVn88enfdrTPnxSx4dikJdpv8k9VZ33Leeuw4mLh1EUW6euXLrtlpP5hu5nMBovrbXHr +YqnFB1SctI8N+/CBcEnLmfMHZIkZ5dfVmEpOMXDk/quK9wpbc6el3OWSfYtv7XypFui2kIz 1ZacfzfsBDyCfrxfUfdj247yKUosxRmJhlrMRcWJAPSCfyL8AgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBKsWRmVeSWpSXmKPExsVy+t9jAd3N77kCDe7/NbC4vGsOm8WM8/uY LBYta2V2YPb4vEkugDGqgdEmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX0NLCXEkhLzE3 1VbJxSdA1y0zB2i+kkJZYk4pUCggsbhYSd8O04TQEDddC5jGCF3fkCC4HiMDNJCwjjHj1jHN gh6OirbWB0wNjP1sXYycHBICJhJz+o+xQNhiEhfurQeKc3EICSxilGi8dp8RJCEk8JdRYv1u CRCbTUBD4vD7Z+wgtohAmETvpsnsIA3MAucYJR4/WgnVvYxRYu3T50wgVZwCmhInr78Hs4UF PCSmrj8KNpVFQFWi5ctMsNW8ApYS5/9cYoewBSV+TL4HFmcW0JJYv/M4E4QtL7F5zVtmiFMV JHacfc0IcYWTxIUzF5ghasQlJj14yD6BUWgWklGzkIyahWTULCQtCxhZVjGKphYkFxQnpeca 6hUn5haX5qXrJefnbmIEx/MzqR2MKxssDjEKcDAq8fBqOHIGCrEmlhVX5h5ilOBgVhLhvfmC K1CINyWxsiq1KD++qDQntfgQYzLQpxOZpUST84GpJq8k3tDYxMzI0sjMwsjE3Jw0YSVxXsZT TwKEBNITS1KzU1MLUotgtjBxcEo1MBaVZUQdUT/EszuOm+G3EP/hU1NM/8jf/J1//Hb8IaWO zx2VO35/c79wi+dNS4u77f/yEOlEAT0jmzNSKlUXv9961hel3thybicHu/gNR8XIvKiAo+dK eplPLdKOn/Xjs2Nlpd/jwvht107VXrH7y9jPnbruSPC1eS0ijwTsK2XebbJ/cebAFyWW4oxE Qy3mouJEAFuyOcYrAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tomasz Figa wrote: > > Hi Vivek, [...] > > + usb@12120000 { > > + compatible = "samsung,exynos4210-ohci"; > > + reg = <0x12120000 0x100>; > > + interrupts = <0 71 0>; > > For Samsung platforms we decided per board enabling of nodes and so this > node should also contain: > > status = "disabled"; > > while in dts file of board using ohci there would be an overriding entry: > > usb@12120000 { > status = "okay"; > }; > > I know that Exynos5250 has not been yet converted into this convention, > but using it when adding new devices will simplify the process. > Well, I have another opinion on this... Let's see, yeah, we are using following method in EXYNOS4 DT... - disabling IPs in SoC DT source and enabling IPs in board DT source But as I said, in EXYNOS5440 DT, I want to use following, because most of them should be enabled/used. - enabling IPs in SoC DT source and no need enabling in board DT source. I mean, it depends on each SoC's situation. Thanks. - Kukjin