From patchwork Mon Nov 30 23:48:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 334892 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ACA7C63777 for ; Mon, 30 Nov 2020 23:50:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDA14207BB for ; Mon, 30 Nov 2020 23:50:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=permerror (0-bit key) header.d=wdc.com header.i=@wdc.com header.b="PgeFyySA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387457AbgK3XuJ (ORCPT ); Mon, 30 Nov 2020 18:50:09 -0500 Received: from esa2.hgst.iphmx.com ([68.232.143.124]:7901 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726213AbgK3XuJ (ORCPT ); Mon, 30 Nov 2020 18:50:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1606780615; x=1638316615; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ah0+1mEnJdX05Q2mVPorPQhcLW5wBEGXXNi04bnk03g=; b=PgeFyySAtEgReTsBuIPUDF69/VfA1+IloR3Q3aJ2Za7YMy7FKNM9i6qI kpaHmIWYvyWeF2Poh1e91Yw7kv5Yn3y6EhoeVZcQYF2toBBRcYzkmCQiB bAkzLhrNLSA+diiiVgOxFbqBbQwPHDij0VAo4ulx5ARkfXKcBwlRZ0RaF XiQjzOmLW3yMn+vLWPQhtbEh8gpPyBK2t1celWQGjdiQiDC874LL3hznD tndh7VJp6628nfnrwKgKzxP/r1IeS1q05+HUd+vwZ+3uPJIGvrRxAWWTr D2qPKadUUhLhYyvrP/oazb3nBROfO1yJgRtxiO3dOF01r67izAUwb0NKe w==; IronPort-SDR: FoGIgIWzgI5FSggKLijvj3fCi+D+b0AWrQsSyvlhASLKyG0hEJuwRm2LbyiesrU4w5oDFqwOhu iCcy5Dje1NCt4WlFKDHGNJblm+hDySIjCuMZfE+Er+0mO0Sm5yZ+gIpLTCE19N1OlB/T3Gfq/q M6YeqkhS1hacI/qWL2CYrU/9D7qeFBZmzR6IW2+Z9Ps98LutOLitSLJXVqTmHzy4WE/akBvrha 0GgoQmha+a3iamgJyq2hR2njX157h5tQAgtBWsvESWd0bliv0qq25+01HDCwyIefMQmrpPEjY/ MGM= X-IronPort-AV: E=Sophos;i="5.78,382,1599494400"; d="scan'208";a="257538290" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 01 Dec 2020 07:54:39 +0800 IronPort-SDR: dByqXgyzLt7OQMXwmaUmC0C5j4lhddyoosdAnEqbHDoixiLOArVP7pZ3XljhavBbms23fRh/+V eTHcddcSXPUh2ZbbCn9Dn1I8SzfljXOVs= Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2020 15:32:52 -0800 IronPort-SDR: hvlVHOz/0iZEszrhwcyWuIEJSllGkMd+V3vEMq+WXKp89gnOJeJho2LaYZJzaROy55xSqC/Skl V4t6JqLqXw9g== WDCIronportException: Internal Received: from phd004834.ad.shared (HELO twashi.fujisawa.hgst.com) ([10.84.71.196]) by uls-op-cesaip01.wdc.com with ESMTP; 30 Nov 2020 15:48:37 -0800 From: Damien Le Moal To: Palmer Dabbelt , linux-riscv@lists.infradead.org, Rob Herring , devicetree@vger.kernel.org, Stephen Boyd , linux-clk@vger.kernel.org, Linus Walleij , linux-gpio@vger.kernel.org, Philipp Zabel Cc: Sean Anderson Subject: [PATCH v3 02/21] riscv: Fix sifive serial driver Date: Tue, 1 Dec 2020 08:48:10 +0900 Message-Id: <20201130234829.118298-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201130234829.118298-1-damien.lemoal@wdc.com> References: <20201130234829.118298-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Setup the port uartclk in sifive_serial_probe() so that the base baud rate is correctly printed during device probe instead of always showing "0". I.e. the probe message is changed from 38000000.serial: ttySIF0 at MMIO 0x38000000 (irq = 1, base_baud = 0) is a SiFive UART v0 to the correct: 38000000.serial: ttySIF0 at MMIO 0x38000000 (irq = 1, base_baud = 115200) is a SiFive UART v0 Signed-off-by: Damien Le Moal --- drivers/tty/serial/sifive.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c index 13eadcb8aec4..214bf3086c68 100644 --- a/drivers/tty/serial/sifive.c +++ b/drivers/tty/serial/sifive.c @@ -999,6 +999,7 @@ static int sifive_serial_probe(struct platform_device *pdev) /* Set up clock divider */ ssp->clkin_rate = clk_get_rate(ssp->clk); ssp->baud_rate = SIFIVE_DEFAULT_BAUD_RATE; + ssp->port.uartclk = ssp->baud_rate * 16; __ssp_update_div(ssp); platform_set_drvdata(pdev, ssp);