From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757079AbdLPRBP (ORCPT ); Sat, 16 Dec 2017 12:01:15 -0500 Received: from gloria.sntech.de ([95.129.55.99]:39722 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752513AbdLPRBM (ORCPT ); Sat, 16 Dec 2017 12:01:12 -0500 From: Heiko Stuebner To: Enric Balletbo i Serra Cc: Rob Herring , dianders@google.com, groeck@chromium.org, briannorris@google.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 5/5] arm64: dts: rockchip: add reset property for dwc3 controllers on rk3399. Date: Sat, 16 Dec 2017 18:01:08 +0100 Message-ID: <2260405.eszS2niqFZ@phil> User-Agent: KMail/5.2.3 (Linux/4.13.0-1-amd64; KDE/5.37.0; x86_64; ; ) In-Reply-To: <20171215110005.7564-5-enric.balletbo@collabora.com> References: <20171215110005.7564-1-enric.balletbo@collabora.com> <20171215110005.7564-5-enric.balletbo@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Freitag, 15. Dezember 2017, 12:00:05 CET schrieb Enric Balletbo i Serra: > After commit '06c47e6286d usb: dwc3: of-simple: Add support to get resets > for the device' you can add the reset property to the dwc3 node, the reset > is required for the controller to work properly, otherwise bind / unbind > stress testing of the USB controller on rk3399 we'd often end up with lots > of failures that looked like this: > > phy phy-ff800000.phy.9: phy poweron failed --> -110 > dwc3 fe900000.dwc3: failed to initialize core > dwc3: probe of fe900000.dwc3 failed with error -110 > > Signed-off-by: Enric Balletbo i Serra applied for 4.16 Thanks Heiko