From owner-svn-src-stable@freebsd.org Mon Jun 25 08:50:07 2018 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 29C7310015C0; Mon, 25 Jun 2018 08:50:07 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CF323721D8; Mon, 25 Jun 2018 08:50:06 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B15022AE9C; Mon, 25 Jun 2018 08:50:06 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w5P8o6TN041317; Mon, 25 Jun 2018 08:50:06 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w5P8o6Va041316; Mon, 25 Jun 2018 08:50:06 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201806250850.w5P8o6Va041316@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Mon, 25 Jun 2018 08:50:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r335620 - stable/11/sys/dev/usb/serial X-SVN-Group: stable-11 X-SVN-Commit-Author: avg X-SVN-Commit-Paths: stable/11/sys/dev/usb/serial X-SVN-Commit-Revision: 335620 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2018 08:50:07 -0000 Author: avg Date: Mon Jun 25 08:50:06 2018 New Revision: 335620 URL: https://svnweb.freebsd.org/changeset/base/335620 Log: MFC r333999: uchcom: add a hardware configuration tweak seen in Linux code Modified: stable/11/sys/dev/usb/serial/uchcom.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/usb/serial/uchcom.c ============================================================================== --- stable/11/sys/dev/usb/serial/uchcom.c Mon Jun 25 08:49:13 2018 (r335619) +++ stable/11/sys/dev/usb/serial/uchcom.c Mon Jun 25 08:50:06 2018 (r335620) @@ -616,8 +616,12 @@ uchcom_set_baudrate(struct uchcom_softc *sc, uint32_t if (uchcom_calc_divider_settings(&dv, rate)) return; + /* + * According to linux code we need to set bit 7 of UCHCOM_REG_BPS_PRE, + * otherwise the chip will buffer data. + */ uchcom_write_reg(sc, - UCHCOM_REG_BPS_PRE, dv.dv_prescaler, + UCHCOM_REG_BPS_PRE, dv.dv_prescaler | 0x80, UCHCOM_REG_BPS_DIV, dv.dv_div); uchcom_write_reg(sc, UCHCOM_REG_BPS_MOD, dv.dv_mod,