From patchwork Wed Dec 9 05:34:46 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: 340600 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 9CC74C19425 for ; Wed, 9 Dec 2020 05:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6F08B23B7B for ; Wed, 9 Dec 2020 05:36:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727473AbgLIFgq (ORCPT ); Wed, 9 Dec 2020 00:36:46 -0500 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:15290 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727475AbgLIFgp (ORCPT ); Wed, 9 Dec 2020 00:36:45 -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=1607492204; x=1639028204; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ah0+1mEnJdX05Q2mVPorPQhcLW5wBEGXXNi04bnk03g=; b=h1X8M06RL527dRmdGeI57gTs3obF3j9273t8pBsAZfhXzDOQpGVYNb9M vGDtxJWe1O9Q9DjUk38506AWg8BAzL60XjeCq/dz+fdTnUXg/uhjbaijQ LuZ0Z5C//r0FJa823VeTdSYkjDQLwBzX6MYZZyx2x1n0jbUhfRFHNoSIs r+I16h6fiFTITZGJkMQY5L72H/hz3L/9wEuNUGql04Re2BO7CBO4jcj0X CWzbkbzFYQCMZ2js/I5RmKJGV2TU2xkhFAE+rp88yMr6ENuAiILwPxN34 sjsYeRsIaBHOgstuBQQL1q4PleXNnTaS5W9V/xkebhIYzGJsCo/3sPW2Z Q==; IronPort-SDR: iOnUIzhtCFnWhxaTYQ3+7709PKT5qk13LizUTAXB3Q8+wUzvVTQFm3V1qtb+KPjPSQcdMm3P/G 5UmFlRq2efbBGVLarNUBtnfPSAIU7ZnsWdhrUACMapBkeSnoKWd3FSxjZ2u2y+vXJ+GqS8Eh1f /ZaLvrtqt4KQMkxDgM7eQQ8xmT+2iIE7v5qTAxqOrljFsXL+lkgmic3QwdlY1pS9kBctPvdFUq uAtI/kubgPwPg7SPxgvivc+nRFzC3/xkRF/YO+X5GeO4hqnbfuwzZml3j91f1HuYvU6AZV5lq8 crA= X-IronPort-AV: E=Sophos;i="5.78,404,1599494400"; d="scan'208";a="154735879" 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; 09 Dec 2020 13:35:15 +0800 IronPort-SDR: toM2LW7PW64K1YDzYaXO+lBX/29Zev+M41WC9GxAcY8isX/5mtfxlNHaNeIt6JoWTcU1kl68Mw 0fkP2eW0LFq1aJXQmHlPwNoQFSLqKkfGw= 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; 08 Dec 2020 21:20:41 -0800 IronPort-SDR: 15cYU6A2oRjFuy3GCprP+FCHXABwML/5n5KQefjjThFxQaJZQ2FX23SertLS+fiBV6pV1g4ASx iu4r2H31itWw== WDCIronportException: Internal Received: from wdapacbjl0003.my.asia.wdc.com (HELO twashi.fujisawa.hgst.com) ([10.84.71.173]) by uls-op-cesaip02.wdc.com with ESMTP; 08 Dec 2020 21:35:13 -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 v6 02/22] riscv: Fix sifive serial driver Date: Wed, 9 Dec 2020 14:34:46 +0900 Message-Id: <20201209053506.122582-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201209053506.122582-1-damien.lemoal@wdc.com> References: <20201209053506.122582-1-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);