From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752734AbdASNsn (ORCPT ); Thu, 19 Jan 2017 08:48:43 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:47854 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751902AbdASNsl (ORCPT ); Thu, 19 Jan 2017 08:48:41 -0500 Date: Thu, 19 Jan 2017 14:24:48 +0100 From: Greg Kroah-Hartman To: Tony Lindgren Cc: Vignesh R , Jiri Slaby , Peter Hurley , Sebastian Andrzej Siewior , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support Message-ID: <20170119132448.GC29998@kroah.com> References: <20170113080201.6515-1-vigneshr@ti.com> <20170113182021.GD2630@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170113182021.GD2630@atomide.com> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 13, 2017 at 10:20:21AM -0800, Tony Lindgren wrote: > * Vignesh R [170113 00:03]: > > This patch series re enables DMA support for UART 8250_omap driver. > > > > Tested on AM335x, AM437x that use EDMA and OMAP5 and DRA74 EVM with > > SDMA. > > Is 8250_omap serial console working for you on omap5 in general? > > I've noticed that it's really unresponsive for me as if the FIFO > interrupt was not working. For example logging in might take several > attempts and a long time with each character showing up much later > after some timeout. > > TX on the uart on omap5 seems to work OK, I do see all the console > messages fine. And these patches do not make the issue better or > worse. Ok, I'm dropping them from my review queue then. thanks, greg k-h