From patchwork Sun Dec 13 08:09:56 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: 343737 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, 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 94752C2BB48 for ; Sun, 13 Dec 2020 08:11:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 53EEF22D6F for ; Sun, 13 Dec 2020 08:11:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391442AbgLMILb (ORCPT ); Sun, 13 Dec 2020 03:11:31 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:32107 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731962AbgLMILb (ORCPT ); Sun, 13 Dec 2020 03:11:31 -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=1607847090; x=1639383090; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AeXALpcFI2zXhzG/wZi1dKZAPJWbKG/DcS+NIXfB8/U=; b=g/jGpvqmN6T45mtxb5e+EOxszD3cvtf/JNm6Bb7fUzdIxagptmZDM3sA lYBowViTfQvZWJb1m0kKDjO4190PrMy4YuTxrX4ko2TSB+oVxksU39dCj 2FgvbtKGuUg5g8To+z1LfeUw3GNhHlCgX/6dL5EjV4k/EkjV+YrzznKCL 0NRMWe2axGNUWucg53dO5PTVKyJf+03A14BsnlxiWdwQ69Vumms9WlzpH acNNId93CkddCv6B6NhH9MJRV8NgZAU+c/6nA3DF5FIsyuZgvSvm1GWyE Ct7AXXoZ6CF/ZntAFdB6/85/M8R2Tsm9Ys0ZOlzf6ZdvA3EMKRGK4x+8q A==; IronPort-SDR: RnkWiJo5xK1rl0Lur50uCPQe+EuMCwkquVI9sZ+HEBDMEJSRtYEtv1k/XaMmkDxmYX775s4GJQ vm+PVw/48mxbBMOI4vX+MS3JPKS8bPnVlf5NwSYJi1HvyGXH/ZbyrAxb51Uy5auOiLe6T0/kGN YJTJl+2MnYiMxcB0r/0QxZoBUwBn8WG3TuZgTcBaoIlqGoqEtwAE1RP4a3WH9RoEJjuB4sAziU RcWgvPdJeYRqzYe8axCn9W02pFaz8wZSyDnliqdLYWZfanWIOxdQJUgPXDrEPgBcRTC83fq5mh aNI= X-IronPort-AV: E=Sophos;i="5.78,415,1599494400"; d="scan'208";a="265208161" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 13 Dec 2020 16:10:25 +0800 IronPort-SDR: RQ0i3ilqOcLgthAGFNNpV2KZte0rJrzTY0zOPVtgsJ+FTazaAPVXYrER35Rl2ZQYkeLT5Xk+La ASJDi48KyznOFVVgRS1q1YagFjurcny8thVDwIYRQA0eb84T4NGTEBHLKbyBh8fHsbkvVSs47M MklwdF2tBEWcd1V/dfQ/lHobFM6yKCYvijbBrMuuwZVKPDieamyaG/RYRYwke+S2Jq/WrMvm9u SPxHM2deJ8Uo3sIFdSHLFQItVFoc+pEQFQ+CdTkhoKL38ylHeqhG+aPG3fD3Hh+lBVs4KEwrnt UAGXi2BY+Q0myd6sFYxkboE6 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; 12 Dec 2020 23:55:46 -0800 IronPort-SDR: wEKjSUXxUeuWWffbNyplSQMPzKvNIVkiXiYpz7jctDt7DMQH8StyK7A1Jp8QcEBGqe1u1i33Ak 4wrRdUN0HuVmFki8qmY0HWFRXBl8LdHxZ1+g2G06aYBbqmUN2QeRVaMCtjZenshm8pgTsKz/gq qYDxfYbuFP8HMLJOWG1qem1eDHt/h4zzn4ZPuVn1WS/rpxHgWaYByA1HKILr9SZMY6gnxuibvH RezyDUq5pwKEymYwWhzEM2+iyupcSBesu29nFb7Y6zX1UZBKaXFhiZTLKSW+xej/z887Er9chC Dkk= WDCIronportException: Internal Received: from phd004806.ad.shared (HELO twashi.fujisawa.hgst.com) ([10.84.71.197]) by uls-op-cesaip02.wdc.com with ESMTP; 13 Dec 2020 00:10:24 -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 v9 02/22] riscv: Fix sifive serial driver Date: Sun, 13 Dec 2020 17:09:56 +0900 Message-Id: <20201213081016.179192-3-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201213081016.179192-1-damien.lemoal@wdc.com> References: <20201213081016.179192-1-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 Reviewed-by: Palmer Dabbelt Acked-by: Palmer Dabbelt --- 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);