Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755649AbdCGV6D convert rfc822-to-8bit (ORCPT ); Tue, 7 Mar 2017 16:58:03 -0500 Received: from us01smtprelay-2.synopsys.com ([198.182.47.9]:52733 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751142AbdCGV6B (ORCPT ); Tue, 7 Mar 2017 16:58:01 -0500 From: John Youn To: John Stultz , John Youn CC: lkml , Linux USB Mailing List Subject: Re: bug? dwc2: insufficient fifo memory Thread-Topic: bug? dwc2: insufficient fifo memory Thread-Index: AQHSju/OvYCi1NtWTESTZKwTjbFj3w== Date: Tue, 7 Mar 2017 21:50:41 +0000 Message-ID: <2B3535C5ECE8B5419E3ECBE300772909021B45CC81@US01WEMBX2.internal.synopsys.com> References: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.12.66.244] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 525 Lines: 20 +linux-usb On 2/24/2017 2:46 PM, John Stultz wrote: > Hey John, > So after the USB tree landed in 4.11-rc, I've been seeing the > following warning at bootup. > > It seems the fifo_mem/total_fifo_size value on hikey is 1920, but I'm > seeing the addresses zip upward quickly as the txfsz values are all > 2048. Not exactly sure whats wrong here. Things still seem to work > properly. > Hi John, Could you send us a register dump before and after you load the function? You can get this through debugfs. Regards, John