From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754395AbaIHQp1 (ORCPT ); Mon, 8 Sep 2014 12:45:27 -0400 Received: from www.linutronix.de ([62.245.132.108]:46216 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753826AbaIHQpZ (ORCPT ); Mon, 8 Sep 2014 12:45:25 -0400 Message-ID: <540DDD1D.201@linutronix.de> Date: Mon, 08 Sep 2014 18:45:17 +0200 From: Sebastian Andrzej Siewior User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.0 MIME-Version: 1.0 To: Tony Lindgren CC: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, balbi@ti.com, Greg Kroah-Hartman Subject: Re: [PATCH 11/18] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx References: <1409943773-7874-1-git-send-email-bigeasy@linutronix.de> <1409943773-7874-12-git-send-email-bigeasy@linutronix.de> <20140908164147.GG3238@atomide.com> In-Reply-To: <20140908164147.GG3238@atomide.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/08/2014 06:41 PM, Tony Lindgren wrote: > * Sebastian Andrzej Siewior [140905 12:28]: >> This problem has not been seen on DRA7 or beaglebone (OMAP3). I am not >> sure if this is UART-IP core specific or DMA engine. > > Maybe check this comment for future reference too because > beaglebone and bealeboard do different things for PM.. Do > you mean Beaglebone or beagleboard? Or both? Beagle bone (am335x) has the problem. Beagle board xm (omap3) does not have the problem. So let me replace "beaglebone" with "beagle board xm" > > Regards, > > Tony > Sebastian