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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 F4178C32751 for ; Wed, 31 Jul 2019 17:31:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C89EB20679 for ; Wed, 31 Jul 2019 17:31:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h4I+L0DY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730591AbfGaRbI (ORCPT ); Wed, 31 Jul 2019 13:31:08 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:47003 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729993AbfGaRbH (ORCPT ); Wed, 31 Jul 2019 13:31:07 -0400 Received: by mail-pf1-f196.google.com with SMTP id c3so9116723pfa.13; Wed, 31 Jul 2019 10:31:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=x4Cxze/2AoCEdIVtmKyfx00YEVCCPhrKcLTbzIqdhqs=; b=h4I+L0DYy2DtXITuV4j3M6QG+NIg4/sM96sMojAb8xJYFOiJLYhM8arvGI0ZWx0+F9 ZGFCGIzgtK3eqQmjMsovU1l3AH/9W6E554sH/v1+R1eqVMW8Rgjfvk8UbinxKYidrkp+ HV0IbotKA1woVHxfz2YNxZ6ZiOSjvyp9AjnEsAx/TrkYr6KI3K0c+tadlFjfUsYNIIB+ t47st0/8J4MfgnREQjFp7NXq9yuLrAKANjQXLM0/MPbUNzo4JUZ0UyLsq3VOt9vNon70 Jl88CNeADc+XT1rK6+HRwp8qLBWk63MY7GVnvoDVI4X0ucFXnQfBkYaK/t3OF0MzZgk6 n7eA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=x4Cxze/2AoCEdIVtmKyfx00YEVCCPhrKcLTbzIqdhqs=; b=JH0UNa/5ixL8rppvBKvloNX2HCp9T2EYr0ezlkzrgciu2OijDJumNjDZrXPhqVymir sMxMRW2LsgsEXI8Y+Si/nLhHKgyWCuVce/g5vuF+5JLjX5O7hrtPn2zyTWJr1aFN+H64 t0vd7JWClJ+2XgogipYdmFLCxWfyh4ok7+rBtpBvqjmv3JVSB4hOd4i6ns35WUyVIamu Y8cKb68Q/OL+iEUKXqTxR1yucECLrI/cUewrqz+8aTk+jCmyCiMHjKtzRVbuCtr5UCNk 3oaNUyrrA+h23UDSvsusZvN76INjp9BNUU6kK5M8LGDFqhaey8rxIGdmCd3v+mA+LvWp N3Cg== X-Gm-Message-State: APjAAAUgYTu+lKihR1Zl6uJScWNqmp3fFZBbhzdKLt5XFpyy2QPFAUZr RE6G44pq1PtDM1F8TPMJTSTGhdeh X-Google-Smtp-Source: APXvYqyP29U2AOQQ2Y/jna+STO7GT5Is/2e234+zYo0pCApeM36vEyWB+q5P5mIMy+/eroOMQKgenA== X-Received: by 2002:a63:6eca:: with SMTP id j193mr39128359pgc.74.1564594266330; Wed, 31 Jul 2019 10:31:06 -0700 (PDT) Received: from localhost.localdomain ([2607:fb90:4ad:5a0b:2aff:6e0f:8973:5a26]) by smtp.gmail.com with ESMTPSA id bo20sm2089617pjb.23.2019.07.31.10.31.04 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 31 Jul 2019 10:31:05 -0700 (PDT) From: Andrey Smirnov To: linux-serial@vger.kernel.org Cc: Andrey Smirnov , Stefan Agner , Chris Healy , Cory Tusar , Lucas Stach , Greg Kroah-Hartman , Jiri Slaby , linux-imx@nxp.com, linux-kernel@vger.kernel.org Subject: [PATCH v2 00/23] LPUART fixes and improvements Date: Wed, 31 Jul 2019 10:30:22 -0700 Message-Id: <20190731173045.11718-1-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Everyone: This series contains fixes/improvements to LPUART dirver I came up with recently as well as fixes picked up from Toradex and NXP Vybrid repos. Feedback is welcome! Changes since [v1]: - Dropped "tty: serial: fsl_lpuart: Drop unnecessary sg_set_buf() call" due to being a duplicate of "tty: serial: fsl_lpuart: remove sg_set_buf() for sport->rx_sgl" - Fixed build break in "tty: serial: fsl_lpuart: Introduce lpuart_tx_dma_startup()" Thanks, Andrey Smirnov Andrey Smirnov (21): tty: serial: fsl_lpuart: Flush HW FIFOs in .flush_buffer tty: serial: fsl_lpuart: Simplify RX/TX IRQ handlers tty: serial: fsl_lpuart: Fix bogus indentation tty: serial: fsl_lpuart: Drop unnecessary uart_write_wakeup() tty: serial: fsl_lpuart: Fix issue in software flow control tty: serial: fls_lpuart: Split shared TX IRQ handler into two tty: serial: fsl_lpuart: Drop no-op bit opearation tty: serial: fsl_lpuart: Drop unnecessary extra parenthesis tty: serial: fsl_lpuart: Clear CSTOPB unconditionally tty: serial: fsl_lpuart: Use appropriate lpuart32_* I/O funcs tty: serial: fsl_lpuart: Introduce lpuart_wait_bit_set() tty: serial: fsl_lpuart: Use cpu_relax() instead of barrier() tty: serial: fsl_lpuart: Introduce lpuart_stopped_or_empty() tty: serial: fsl_lpuart: Drop unnecessary lpuart*_stop_tx() tty: serial: fsl_lpuart: Introduce lpuart_dma_shutdown() tty: serial: fsl_lpuart: Introduce lpuart_tx_dma_startup() tty: serial: fsl_lpuart: Introduce lpuart_rx_dma_startup() tty: serial: fsl_lpuart: Introduce lpuart32_configure() tty: serial: fsl_lpuart: Introduce lpuart*_setup_watermark_enable() tty: serial: fsl_lpuart: Don't enable TIE in .startup() or .resume() tty: serial: fsl_lpuart: Ignore TX/RX interrupts if DMA is enabled Stefan Agner (2): tty: serial: fsl_lpuart: fix framing error handling when using DMA tty: serial: fsl_lpuart: flush receive FIFO after overruns drivers/tty/serial/fsl_lpuart.c | 493 +++++++++++++++++--------------- 1 file changed, 261 insertions(+), 232 deletions(-) -- 2.21.0