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=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 5D53CC433E0 for ; Wed, 20 Jan 2021 02:37:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1256E2222F for ; Wed, 20 Jan 2021 02:37:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726685AbhATCgz (ORCPT ); Tue, 19 Jan 2021 21:36:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:47300 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729162AbhATB2I (ORCPT ); Tue, 19 Jan 2021 20:28:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7CBED23142; Wed, 20 Jan 2021 01:26:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611105982; bh=9uNivUSLfoWxjuidh93RwflJqr4GN2MeQteNSR8ysB0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RvEtW/kyeWNy07VwDWn9yIFBxALWmW/r4EMhT942rIFQ91QWUYDIDl5zf93bGTNF+ RftuJUBifafmXgbnf3XLra+5kM3WQSe3Gb7nSN7I+xRkRnLORQwAs60vNMTrBWfYZ7 DwPrzuOdNY4oRXwyaHKul1WttC+6K+bLb7XeoNBSxk2KrQjDTn9S65jz5iz2XPB7ZL GTNkKwwN+Hw8bWlSIXgI+XuHOlRLcqtsi1YzeqH7QU11Zoa1b5NvqCPsS92LvyouBp ImTxmr3tdZJrtbWXFijCqLuYmCmx4/Hd1YlwpdtcP6b6JrQqlLpmvn5vPsnmDwUJJU 4EHOUE/z76S1w== 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 5.10 15/45] riscv: Fix sifive serial driver Date: Tue, 19 Jan 2021 20:25:32 -0500 Message-Id: <20210120012602.769683-15-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210120012602.769683-1-sashal@kernel.org> References: <20210120012602.769683-1-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: linux-kernel@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 13eadcb8aec4e..214bf3086c68a 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); -- 2.27.0