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=-11.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 76CAEC3A589 for ; Thu, 15 Aug 2019 14:07:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49EFE2086C for ; Thu, 15 Aug 2019 14:07:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565878053; bh=7LhAkaFUG/4ZQJKJxjnQg8nbws3FteTc/KPlDmPKhQk=; h=Subject:To:From:Date:List-ID:From; b=bM2c1HJZUxsB3AIOkScHGfR38E/sHYMqqkYwc9jQKIzErCgpS9Ce+YkaPna5XXdnd 5u6jBmrVkyLSo5zsDy4l1tM2oHFW+FVLavRGyrRP0qkzhAAyas3P2HeJDFawz9a2PY N6OYYDjfvH2Gf4RG3Ocj7HqQLn7Mh0uPt+5k3Phg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732425AbfHOOHc (ORCPT ); Thu, 15 Aug 2019 10:07:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:49630 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732334AbfHOOHc (ORCPT ); Thu, 15 Aug 2019 10:07:32 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 1D2E8206C2; Thu, 15 Aug 2019 14:07:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565878051; bh=7LhAkaFUG/4ZQJKJxjnQg8nbws3FteTc/KPlDmPKhQk=; h=Subject:To:From:Date:From; b=Bu2cHuKvmOUvGqSvDNNgyVD4B6CxzH3dc2ZvDcMcTky71BlMj2zc2IW3CY7X238dO bvnt7uAaNj8YIprcUzTjyX7QbOyJOLAiom4ttDseiZmR+Gyi/NyzIh+SdV83dOrR5e /Ftqa/fxA/WRJWYzRF/s0lafYxUaC8tbPzHbGoUo= Subject: patch "tty/serial: atmel: reschedule TX after RX was started" added to tty-testing To: razvan.stefanescu@microchip.com, gregkh@linuxfoundation.org, stable@vger.kernel.org From: Date: Thu, 15 Aug 2019 16:07:29 +0200 Message-ID: <156587804914712@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled tty/serial: atmel: reschedule TX after RX was started to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the tty-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From a8441389f0daef2d74ecd79ab27067953f0b2483 Mon Sep 17 00:00:00 2001 From: Razvan Stefanescu Date: Tue, 13 Aug 2019 10:40:25 +0300 Subject: tty/serial: atmel: reschedule TX after RX was started When half-duplex RS485 communication is used, after RX is started, TX tasklet still needs to be scheduled tasklet. This avoids console freezing when more data is to be transmitted, if the serial communication is not closed. Fixes: 69646d7a3689 ("tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped") Signed-off-by: Razvan Stefanescu Cc: stable Link: https://lore.kernel.org/r/20190813074025.16218-1-razvan.stefanescu@microchip.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/atmel_serial.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 19a85d6fe3d2..9a54c9e6d36e 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1400,7 +1400,6 @@ atmel_handle_transmit(struct uart_port *port, unsigned int pending) atmel_port->hd_start_rx = false; atmel_start_rx(port); - return; } atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); -- 2.22.1