From mboxrd@z Thu Jan 1 00:00:00 1970 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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 11C77C43381 for ; Wed, 20 Jan 2021 03:28:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C7AB92310D for ; Wed, 20 Jan 2021 03:28:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732113AbhATCaK (ORCPT ); Tue, 19 Jan 2021 21:30:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:47354 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728883AbhATB26 (ORCPT ); Tue, 19 Jan 2021 20:28:58 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2767E233A1; Wed, 20 Jan 2021 01:27:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611106035; bh=g6IpG4eWGbmWOQ1Y69WDY67vRJiXh3rDqu11EkXtRAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CVs31EpxD05GZkmMpyhzgtxBBIdZvJpRI7OVNtUtkWTybGX0d6QIUQ2qSmt+fM74F CDcNCxR9xt1la7QnkG9tw5cfZ/yCh11u9emdg2RrLPN64zAEbsE0ezPW6GIS1vGZIx 62c3s+3UJjh8lZIy4eK6JeF5zv6GrlcuFCbU5BkOFLZwBLSpIlxVn4kPeXdp5Ha1f+ I9MG98qpMq79ydVPNlNvViylzzrJ7uFRcgR3+U4tGoGO/PA8ACfhaAqB5RB2TU7ZzK tbHwffPwyKUWyj0LzjK9YN1zBw75x+gPBzj3VkTy3e4CKpUf4/8ebZmF+ze4QlS8ul gYY1O6eVMimdw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Damien Le Moal , Palmer Dabbelt , Sasha Levin , linux-serial@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 08/26] riscv: Fix sifive serial driver Date: Tue, 19 Jan 2021 20:26:45 -0500 Message-Id: <20210120012704.770095-8-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210120012704.770095-1-sashal@kernel.org> References: <20210120012704.770095-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Damien Le Moal [ Upstream commit 1f1496a923b6ba16679074fe77100e1b53cdb880 ] 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 Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- 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 b4343c6aa6512..6a2dc823ea828 100644 --- a/drivers/tty/serial/sifive.c +++ b/drivers/tty/serial/sifive.c @@ -973,6 +973,7 @@ 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); -- 2.27.0