From owner-svn-src-head@FreeBSD.ORG Thu Apr 23 07:41:59 2015 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3172D51F; Thu, 23 Apr 2015 07:41:59 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1F4FC1716; Thu, 23 Apr 2015 07:41:59 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t3N7fwYX042285; Thu, 23 Apr 2015 07:41:59 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t3N7fwqa042283; Thu, 23 Apr 2015 07:41:58 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201504230741.t3N7fwqa042283@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Thu, 23 Apr 2015 07:41:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r281881 - head/sys/dev/usb/controller X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Apr 2015 07:41:59 -0000 Author: hselasky Date: Thu Apr 23 07:41:58 2015 New Revision: 281881 URL: https://svnweb.freebsd.org/changeset/base/281881 Log: Disable multi process interrupts, because the current code doesn't use them. Else we can end up in an infinite interrupt loop in USB device mode. MFC after: 3 days Modified: head/sys/dev/usb/controller/dwc_otg.c Modified: head/sys/dev/usb/controller/dwc_otg.c ============================================================================== --- head/sys/dev/usb/controller/dwc_otg.c Thu Apr 23 07:32:28 2015 (r281880) +++ head/sys/dev/usb/controller/dwc_otg.c Thu Apr 23 07:41:58 2015 (r281881) @@ -3876,20 +3876,18 @@ dwc_otg_init(struct dwc_otg_softc *sc) if (temp & GHWCFG2_MPI) { uint8_t x; - DPRINTF("Multi Process Interrupts\n"); + DPRINTF("Disable Multi Process Interrupts\n"); for (x = 0; x != sc->sc_dev_in_ep_max; x++) { - DWC_OTG_WRITE_4(sc, DOTG_DIEPEACHINTMSK(x), - DIEPMSK_XFERCOMPLMSK); + DWC_OTG_WRITE_4(sc, DOTG_DIEPEACHINTMSK(x), 0); DWC_OTG_WRITE_4(sc, DOTG_DOEPEACHINTMSK(x), 0); } - DWC_OTG_WRITE_4(sc, DOTG_DEACHINTMSK, 0xFFFF); - } else { - DWC_OTG_WRITE_4(sc, DOTG_DIEPMSK, - DIEPMSK_XFERCOMPLMSK); - DWC_OTG_WRITE_4(sc, DOTG_DOEPMSK, 0); - DWC_OTG_WRITE_4(sc, DOTG_DAINTMSK, 0xFFFF); + DWC_OTG_WRITE_4(sc, DOTG_DEACHINTMSK, 0); } + DWC_OTG_WRITE_4(sc, DOTG_DIEPMSK, + DIEPMSK_XFERCOMPLMSK); + DWC_OTG_WRITE_4(sc, DOTG_DOEPMSK, 0); + DWC_OTG_WRITE_4(sc, DOTG_DAINTMSK, 0xFFFF); } if (sc->sc_mode == DWC_MODE_OTG || sc->sc_mode == DWC_MODE_HOST) {