From patchwork Wed Dec 2 03:24:41 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: 337249 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=-16.5 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 BD986C64E7C for ; Wed, 2 Dec 2020 03:26:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87BF92222A for ; Wed, 2 Dec 2020 03:26:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728160AbgLBD0k (ORCPT ); Tue, 1 Dec 2020 22:26:40 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:25514 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726441AbgLBD0j (ORCPT ); Tue, 1 Dec 2020 22:26:39 -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=1606879599; x=1638415599; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ah0+1mEnJdX05Q2mVPorPQhcLW5wBEGXXNi04bnk03g=; b=kWQ3ayIh/eFmDDvBoZdHfbUMx9Tg5jxN3taRK9eFdu44URz9mZ9yPPVN BmPutAZrs0H1Jt8gi2fShUNxpWyKKRYQ7Prj5lWckB1J7kqsgPfdZl84p pbDjJTHs4Lm217pYOH62AEvKPjtoLC9otlKbCTPWF+x7PoVpU6f6DtxF8 /Xtzh0YfqusE7sMsA0l/INrtqX6EKPoGMR8GBW1z3wYdi5n/jvJfhhufL cQWcgIQsF2oMz9Q997dsbeEhGdsmRCID6HE75oXPnVvI1uucypvCQ4BSZ HxGg4hVcmsQvVCfZOXc64r/ZdWsiLJtKs0fqDc6gJvQVM5w38EQWUcPEX g==; IronPort-SDR: 0YKN10/s4bCty7iS5xOIOQU1Y+yICGq+aj8H/Qh0tYeEnZ7B3UIYbGkflMDKNKbHm7ZDSK7tv2 zIAUTLZYJ8qDK47c1w8vcE9WGtYyKwL0n/sPWO2dBbdB9nOVbSc9Gi9NdfWwm1cKA4PE4VvGqB Y1BgCFvwdJc6gIKzjz7MR6+gcVSnWMXIq7ya2KtvWwVT3W+2g2FiMZBiq5FwaYXVuLBHnrdw6v koAuv6h0i+1eVGjUoB0n3QP1UXKEqf35SDpyim5tWZ2UQXpMKEHfbwwiiPnbA6lbQcqfNMySZC WNQ= X-IronPort-AV: E=Sophos;i="5.78,385,1599494400"; d="scan'208";a="155183519" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 02 Dec 2020 11:25:10 +0800 IronPort-SDR: hd/ThcLGbUzmHelBhdqnWibbX/TEtgXs6WHDP4EY9TycrzSetAJSu85gZFQ9vvhm8ue1AKKAy7 fuidlRTHbBKPKVKh5RAmYAVraWsd9Yd4c= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2020 19:10:44 -0800 IronPort-SDR: I3OdHxgW/Xufe4ntS3IGjb42XrHqe7fTZCUvf9jnVp0cV0J/Ml8XfguuInQs0UVSdL3HyeINPn VQSmItbPyScA== WDCIronportException: Internal Received: from phd004834.ad.shared (HELO twashi.fujisawa.hgst.com) ([10.84.71.196]) by uls-op-cesaip02.wdc.com with ESMTP; 01 Dec 2020 19:25:08 -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 v4 02/21] riscv: Fix sifive serial driver Date: Wed, 2 Dec 2020 12:24:41 +0900 Message-Id: <20201202032500.206346-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201202032500.206346-1-damien.lemoal@wdc.com> References: <20201202032500.206346-1-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);