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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 25C8CC43381 for ; Mon, 18 Feb 2019 14:09:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D555B2173C for ; Mon, 18 Feb 2019 14:08:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550498940; bh=kFNYqA1bBDRvIIKNcqgZ/cgX3NxNdCMgCPm83Gid1Nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rJnsQo1QWPcSoCjuFZ1Q1B1NvcD3/TOglo5Z7mmSX91vf3qhTVs8kXMhXTWDWSxFr F1UrYsyQNDfElbkokhWzgBMjxypHzht8WMH2GL1bBeTvu999FQ8Kn2jFVjKbvYmqPg DN2EslYNOiJtt/XPCgcNRVN8gSaOkTxq5mNY/2tQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391052AbfBROI6 (ORCPT ); Mon, 18 Feb 2019 09:08:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:52318 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390468AbfBROIz (ORCPT ); Mon, 18 Feb 2019 09:08:55 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C4F04204FD; Mon, 18 Feb 2019 14:08:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550498934; bh=kFNYqA1bBDRvIIKNcqgZ/cgX3NxNdCMgCPm83Gid1Nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=plLruX3M9Kie//W6y9PLOIsjeTk2i90DZypJ9d0INLWzyITbXuGjoR7buuh04zoDb NpDYDhwELjWq12bPsjLo2vpv2q+hfnSqyijEE1pCgKYb4wR+TgkVVfSdgWJhhxgupB xIUQ4SEG3XcxlAyN0ffHGCAD8VyHDSddOy1yIbpk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lukas Wunner , Andy Duan , Fabio Estevam , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Sasha Levin Subject: [PATCH 3.18 006/108] serial: fsl_lpuart: clear parity enable bit when disable parity Date: Mon, 18 Feb 2019 14:43:02 +0100 Message-Id: <20190218133519.809487299@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190218133519.525507231@linuxfoundation.org> References: <20190218133519.525507231@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 397bd9211fe014b347ca8f95a8f4e1017bac1aeb ] Current driver only enable parity enable bit and never clear it when user set the termios. The fix clear the parity enable bit when PARENB flag is not set in termios->c_cflag. Cc: Lukas Wunner Signed-off-by: Andy Duan Reviewed-by: Fabio Estevam Acked-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/serial/fsl_lpuart.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 92b7a5bf7c4d..839e65da4d3f 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1284,6 +1284,8 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios, else cr1 &= ~UARTCR1_PT; } + } else { + cr1 &= ~UARTCR1_PE; } /* ask the core to calculate the divisor */ @@ -1419,6 +1421,8 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, else ctrl &= ~UARTCTRL_PT; } + } else { + ctrl &= ~UARTCTRL_PE; } /* ask the core to calculate the divisor */ -- 2.19.1