From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751838AbdJPJkB (ORCPT ); Mon, 16 Oct 2017 05:40:01 -0400 Received: from hermes.aosc.io ([199.195.250.187]:47313 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914AbdJPJj7 (ORCPT ); Mon, 16 Oct 2017 05:39:59 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Mon, 16 Oct 2017 17:39:58 +0800 From: icenowy@aosc.io To: Maxime Ripard Cc: devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, Chen-Yu Tsai , Icenowy Zheng , Kishon Vijay Abraham I , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/6] ARM: sun8i: r40: add USB host port nodes for R40 In-Reply-To: <20171016093229.waizww2n4gwn4qpw@flea.lan> References: <20171008042906.46779-1-icenowy@aosc.io> <20171008042906.46779-3-icenowy@aosc.io> <20171009210340.ak6wo3vqnwj4gom4@flea.home> <55B35500-67FC-40AA-9A07-98C843DE55B3@aosc.io> <20171016093229.waizww2n4gwn4qpw@flea.lan> Message-ID: <7ee77556174b84846a59d57525ec1cb9@aosc.io> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2017-10-16 17:32，Maxime Ripard 写道： > On Tue, Oct 10, 2017 at 07:24:28AM +0800, Icenowy Zheng wrote: >> >> + interrupts = ; >> >> + clocks = <&ccu CLK_BUS_OHCI1>, >> >> + <&ccu CLK_BUS_EHCI1>, >> >> + <&ccu CLK_USB_OHCI1>; >> >> + resets = <&ccu RST_BUS_OHCI1>, >> >> + <&ccu RST_BUS_EHCI1>; >> > >> >Why do you need to take the OHCI resources too? >> >> AW's strange design -- without OHCI resources taken EHCI >> won't work. > > How has this been tested? As EHCI is probed before OHCI, this behavior is easy to appear if the OHCI resources are removed. > > Thanks! > Maxime > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel