From patchwork Tue Dec 8 07:33:36 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: 339989 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 5F764C2BBCA for ; Tue, 8 Dec 2020 07:35:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 393FA23A6C for ; Tue, 8 Dec 2020 07:35:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727322AbgLHHff (ORCPT ); Tue, 8 Dec 2020 02:35:35 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:58688 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726415AbgLHHfe (ORCPT ); Tue, 8 Dec 2020 02:35:34 -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=1607412934; x=1638948934; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ah0+1mEnJdX05Q2mVPorPQhcLW5wBEGXXNi04bnk03g=; b=bbe2XwF85QEgK+L/FJjcooopgwDxmPR0GzvhxH7gqRL7ZSShqyrRqEX8 /+c7dccRjrk3N1Odm4CHFywY9qoZ95T0q6QZT4A9mbb0WHh4RwLkarPo0 bL//4C3lZo5jzhx6yQVgFlhCd1H30EHo7rrcaO9Iu22gdZGQYruH89LLR 3IGDCFE2bt5NjmOKcn0jyQFA5sF1D2dBfuiUbzXwwNANZzJGBAfcXeMNS I/XoEh9AU0WAWnWScuZxxNmIXH5m/G8bzegLNQuMzb+oVECqlldrvqZxE brAgva4Jzsm/gRI1w47VfQ5cb2LDq0c6/vHtv7dfOezej7jpDtEV/FBph g==; IronPort-SDR: a07DSxolWud7AOXfQYdroct8RVT7wuQe4ivs9HoWuiZLHOwcwOCduCD+whiGMmc8RlXShFvVx2 DirmIMPf2v5XzE/Jz4A8u4+3wtupP8czTpeJeVOh8qB2HeC2pW4dI5gZ/QnrSYu0I3crydpC+6 hxr17o5tKDLsl7UaO9LA9OhlZrpERGjyeE/CA1aNg93SoFSWWbo/TWblhkEcAmOKbz7xJFAl0t s82bQRogkYk5Y3rthuJFRVPVDrOzE3Sd2XRFqG2MXyPUlcz4wT6mlYjdSxC5uRMYd3hwOo1ZF9 He4= X-IronPort-AV: E=Sophos;i="5.78,401,1599494400"; d="scan'208";a="155876627" 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; 08 Dec 2020 15:34:05 +0800 IronPort-SDR: d5XhX/Dla9lEp1dAGG1Y3BLq+nar/y42tbH/XutA+aVS1WSCQPql0tt6Tmk4mzYh7I6gFjGSw6 /GNEtqTzt/jOpiZZCCf2NJITYJmy/RrY4= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2020 23:18:05 -0800 IronPort-SDR: tfRYJrKm89mRd2QjHO/mOmexsW7M0LEZHE5kTlIbGsdDzjkchyCeZWx/YgHIYXFKPepbarIsUz KMMkLGiPeYxA== 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; 07 Dec 2020 23:34:03 -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 v5 02/21] riscv: Fix sifive serial driver Date: Tue, 8 Dec 2020 16:33:36 +0900 Message-Id: <20201208073355.40828-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201208073355.40828-1-damien.lemoal@wdc.com> References: <20201208073355.40828-1-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);