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 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 16B1FECAAD8 for ; Sun, 18 Sep 2022 20:43:44 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 410A584C33; Sun, 18 Sep 2022 22:41:42 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1663533702; bh=bK1zpBWg3GL247oE8mXeokz1zOxVhUcEXXTlSOC+UL4=; h=From:To:Subject:In-reply-to:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=WuODAJ01LMMJD1zp/V9TOepkbPawdMhIQ2WBkgxPIqqA2DwAFwrmsIr3kFErr1D5A dToIv6XD+NSkJFPBhsg8WCxAAqYUPXo1TkcXNLjNj/dV2FlfKXJVpt/dUMlzhWQrez PdjWd1DbNBEY6BmzPgeVtVu8yPYFEZ8v4XyBdjXRms4uJ3mwLKSJ8CnjW2/CLiLVxb fEVSXT57VfXrmOqln4YwOtVf7cHExk+OmJd0cdwF8Z0m5Qq85X2ZiSlyvWmavLg/RS TaZtHeOwbQMNpUnxB4cl1kxDIpDBUstuDsM0gdhAajQKkUH3EVnbgTUw7TMdgSYgBV ODHPBYoEnbOHg== Received: by phobos.denx.de (Postfix, from userid 109) id 3121584C33; Sun, 18 Sep 2022 22:41:41 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 6080C84C2F for ; Sun, 18 Sep 2022 22:41:37 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend03.mail.m-online.net (unknown [192.168.6.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4MW08d1Gm6z1s89K; Sun, 18 Sep 2022 22:41:37 +0200 (CEST) Received: from localhost (dynscan3.mnet-online.de [192.168.6.84]) by mail.m-online.net (Postfix) with ESMTP id 4MW08d0cvRz1qqlR; Sun, 18 Sep 2022 22:41:37 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan3.mail.m-online.net [192.168.6.84]) (amavisd-new, port 10024) with ESMTP id 3jMc96v-9m2d; Sun, 18 Sep 2022 22:41:36 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Sun, 18 Sep 2022 22:41:36 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Johannes Schneider X-Patchwork-Id: 1674777 X-Patchwork-Delegate: sbabic@denx.de To: Johannes Schneider , u-boot@lists.denx.de Subject: [PATCH v5 2/2] serial: mxc: have putc use the TXFIFO In-reply-to: <20220906121504.2200171-3-johannes.schneider@leica-geosystems.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20220918204141.3121584C33@phobos.denx.de> Date: Sun, 18 Sep 2022 22:41:37 +0200 (CEST) X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean > only waiting for TXEMPTY leads to corrupted messages going over the > wire - which is fixed by making use of the FIFO > this change is following the linux kernel uart driver > (drivers/tty/serial/imx.c), which also checks UTS_TXFULL > instead of UTS_TXEMPTY > Signed-off-by: Johannes Schneider > Reviewed-by: Peng Fan > Reviewed-by: Fabio Estevam Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================