Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752598AbbEFRaO (ORCPT ); Wed, 6 May 2015 13:30:14 -0400 Received: from www.linutronix.de ([62.245.132.108]:57235 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751370AbbEFRaM (ORCPT ); Wed, 6 May 2015 13:30:12 -0400 Message-ID: <554A4F9F.9000604@linutronix.de> Date: Wed, 06 May 2015 19:30:07 +0200 From: Sebastian Andrzej Siewior User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.6.0 MIME-Version: 1.0 To: Nicolae Rosia CC: jiwang , Sebastian Andrzej Siewior , gregkh@linuxfoundation.org, jslaby@suse.cz, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, anton_bondarenko@mentor.com, dirk.behme@de.bosch.com Subject: Re: [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled References: <1418116296-12082-1-git-send-email-jiada_wang@mentor.com> <1418116296-12082-12-git-send-email-jiada_wang@mentor.com> <20150409120057.GA12596@breakpoint.cc> <552B72DF.7060006@mentor.com> <20150413080637.GA1537@breakpoint.cc> <5530CFEF.9080807@mentor.com> <554A3D83.8040707@linutronix.de> In-Reply-To: Content-Type: text/plain; charset=utf-8 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,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 911 Lines: 25 On 05/06/2015 06:46 PM, Nicolae Rosia wrote: > Hi, Hi, >> I reverted this patch. I am going to send a revert to Greg tomorrow >> including why this is done and CC stable. I haven't yet received a >> working SDMA firmware nor a hint where it is. > You reverted this patch and it works again? > I believe it is this one [1], but I will be only able to test tomorrow. Okay, please inform about your results. I think I had that one and the result was no UART communication at all and a lot overrun errors. > [1] http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/firmware/imx/sdma?h=imx_3.14.28_1.0.0_ga > > Best regards, > Nicolae Rosia > Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/