From patchwork Tue Nov 24 04:37:09 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: 332557 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=unavailable 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 5E600C64E90 for ; Tue, 24 Nov 2020 04:37:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0626C20870 for ; Tue, 24 Nov 2020 04:37:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="iVzlIGxE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729173AbgKXEhg (ORCPT ); Mon, 23 Nov 2020 23:37:36 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:49765 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727238AbgKXEhg (ORCPT ); Mon, 23 Nov 2020 23:37:36 -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=1606192656; x=1637728656; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ah0+1mEnJdX05Q2mVPorPQhcLW5wBEGXXNi04bnk03g=; b=iVzlIGxE3gGCCct84m/tOu/PE9WbbLEWTobfUn1YUXxU505iyZAZZlzh MVmSGkzoOHT2LL55sCkAFXK8glr+9f0KZ9w8Ef/6L/H4And0TyN9hVQ7K q61kNGVGDPIWh7UdOVnluVr5B2LQES8xAffE8qZc9RIE7IJle5yoRtiII v+fuXsWaojxIszSesgOcWeNCut/EMIbF6yytDUK2qug0yjwsmvCGs9oAS v11kvxPBzejVfvzew0eULsDJdDokvlWOt+Vs5wEuWrr/L8cQF8D0NwiMI C0sCR2TdBr8xJeerc6WgsmDK+uCwwiaPvBIigwu7+wjns3fY7r4sP+3C9 Q==; IronPort-SDR: 7QYis11VcM2gtszg8zb4CqnmATpBEItulzcJr90VpBcWmTbtT3UpgPhNcovibqSlhQ0f/V+cvr XAuD8b30bzAtBW2u1Xj9hiFk8Fuvsp88YQo/BtaJd5hohI4Yt/8D1QimFxovOsOnnXazmsnEaz AouSmDUfx8ZM5CNTW8npxE3TveIwqj2hCLM7JkqD3jcf8aX7wQQIeBgDmD72wqxlHIzR0ldDYa NYWOouY4s6Yis12GIyCagkGtJySYJ1EYrYwzBQ2gdc2o6gF8aBAk+lSVhIfLqt64SA1NESTSOg tf8= X-IronPort-AV: E=Sophos;i="5.78,365,1599494400"; d="scan'208";a="154498151" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 24 Nov 2020 12:37:36 +0800 IronPort-SDR: jaKIiJX3/+QWbq326kdJec9b8J8oo26cvbV1Wf7PKTM+xvS1wCVZFg+jK+ALmIV89zt0RAa7Te ZXgcSzVDfuvlaie9DKa0tBlZ9GQcUaU/A= Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2020 20:23:19 -0800 IronPort-SDR: 5mthMKwGuxuDh6aVUWhJyePDMo4o4xfFoEKtf+jrB75v3fZ5wZFNkyVrWe4TljFiJKs3lAeCXj nj0fFfzhElLQ== WDCIronportException: Internal Received: from hdrdzf2.ad.shared (HELO twashi.fujisawa.hgst.com) ([10.84.71.163]) by uls-op-cesaip01.wdc.com with ESMTP; 23 Nov 2020 20:37:33 -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 v2 02/21] riscv: Fix sifive serial driver Date: Tue, 24 Nov 2020 13:37:09 +0900 Message-Id: <20201124043728.199852-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201124043728.199852-1-damien.lemoal@wdc.com> References: <20201124043728.199852-1-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);