From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: Re: [PATCH v1 11/15] serial: imx: initialized DMA w/o HW flow enabled Date: Wed, 06 May 2015 19:30:07 +0200 Message-ID: <554A4F9F.9000604@linutronix.de> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-serial@vger.kernel.org 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