From patchwork Thu Jul 16 18:21:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 6810191 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E36E19F44B for ; Thu, 16 Jul 2015 18:22:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0171420684 for ; Thu, 16 Jul 2015 18:22:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 274E620680 for ; Thu, 16 Jul 2015 18:22:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756234AbbGPSWM (ORCPT ); Thu, 16 Jul 2015 14:22:12 -0400 Received: from baptiste.telenet-ops.be ([195.130.132.51]:34123 "EHLO baptiste.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756235AbbGPSWG (ORCPT ); Thu, 16 Jul 2015 14:22:06 -0400 Received: from ayla.of.borg ([84.193.93.87]) by baptiste.telenet-ops.be with bizsmtp id t6N21q00m1t5w8s016N2Qr; Thu, 16 Jul 2015 20:22:04 +0200 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.82) (envelope-from ) id 1ZFnnF-000082-N4; Thu, 16 Jul 2015 20:22:02 +0200 Received: from geert by ramsan with local (Exim 4.82) (envelope-from ) id 1ZFnnG-0007KB-R9; Thu, 16 Jul 2015 20:22:02 +0200 From: Geert Uytterhoeven To: Magnus Damm , Laurent Pinchart , Nobuhiro Iwamatsu , Yoshihiro Kaneko , Kazuya Mizuguchi , Koji Matsuoka , Wolfram Sang , Guennadi Liakhovetski Cc: linux-sh@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH/RFC v2 03/29] serial: sh-sci: Correct FIFO stages on sh7705/sh7720/sh7721 Date: Thu, 16 Jul 2015 20:21:34 +0200 Message-Id: <1437070920-28069-4-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437070920-28069-1-git-send-email-geert+renesas@glider.be> References: <1437070920-28069-1-git-send-email-geert+renesas@glider.be> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP According to the datasheet, SCIFs on SoCs using SCIx_SH7705_SCIF_REGTYPE (sh7705, sh7720, and sh7721) have 64-stage FIFO registers. Signed-off-by: Geert Uytterhoeven --- Untested due to lack of hardware. --- drivers/tty/serial/sh-sci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index fa26be7f9414dfc2..dc8d1b6a82684c17 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2264,12 +2264,13 @@ static int sci_init_single(struct platform_device *dev, sampling_rate = 16; break; case PORT_SCIF: - port->fifosize = 16; if (p->regtype == SCIx_SH7705_SCIF_REGTYPE) { + port->fifosize = 64; sci_port->overrun_reg = SCxSR; sci_port->overrun_mask = SCIFA_ORER; sampling_rate = 16; } else { + port->fifosize = 16; sci_port->overrun_reg = SCLSR; sci_port->overrun_mask = SCLSR_ORER; sampling_rate = 32;