From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760342AbcJ1Mef (ORCPT ); Fri, 28 Oct 2016 08:34:35 -0400 Received: from mail-pf0-f175.google.com ([209.85.192.175]:34210 "EHLO mail-pf0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753970AbcJ1Med (ORCPT ); Fri, 28 Oct 2016 08:34:33 -0400 Date: Fri, 28 Oct 2016 20:34:23 +0800 From: Leo Yan To: Jaehoon Chung Cc: Vincent Guittot , John Stultz , Guodong Xu , Wei Xu , Rob Herring , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , "devicetree@vger.kernel.org" , Xinliang Liu , linux-kernel , Fathi Boudra , LAK , Ulf Hansson Subject: Re: [PATCH v2 2/2] arm64: dts: hi6220: add resets property into dwmmc nodes Message-ID: <20161028123422.GA22734@leoy-linaro> References: <20161028072640.GB17266@leoy-linaro> <20161028073830.GC17266@leoy-linaro> <24930ad4-313f-a4f0-c89a-770238863816@samsung.com> <95e22336-0465-f1e1-71b8-548d0e6ee8b7@samsung.com> <20161028101919.GA25564@leoy-linaro> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 28, 2016 at 08:52:49PM +0900, Jaehoon Chung wrote: [...] > >> Could you check the below thing.. > >> > >> /* find reset controller when exist */ > >> - pdata->rstc = devm_reset_control_get_optional(dev, NULL); > >> + pdata->rstc = devm_reset_control_get_optional(dev, "dwmci-reset"); > >> if (IS_ERR(pdata->rstc)) { > >> if (PTR_ERR(pdata->rstc) == -EPROBE_DEFER) > >> return ERR_PTR(-EPROBE_DEFER); > > > > Confirmed with this fixing, the kernel can bootup successfully. > > > > Thanks for this. > > Thanks for checking this..If this approach is not bad, i will send the patch. > Or if there are other good approaches, let me know, plz. I'd like Guodong and John to confirm for Hikey specific. I have no knowledge for this so cannot answer. Thanks, Leo Yan