From mboxrd@z Thu Jan  1 00:00:00 1970
From: philippe.retornaz@epfl.ch (Philippe =?ISO-8859-1?Q?R=E9tornaz?=)
Date: Wed, 16 May 2012 11:37:07 +0200
Subject: [PATCH 1/2] serial/imx: add DMA support
In-Reply-To: <4F9A3831.1020203@freescale.com>
References: <1335436632-29499-1-git-send-email-b32955@freescale.com>
 <20120426120043.GH17184@pengutronix.de> <4F9A3831.1020203@freescale.com>
Message-ID: <4474267.dxHCC3PlP5@laptop>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Le vendredi 27 avril 2012 14:09:53 Huang Shijie a ?crit :
> Hi,
> 
> >> +/* see the "i.MX61 SDMA Scripts User Manual.doc" for the parameters */
> > 
> > I can't see how the manual helps here.
> 
> sorry, the comment is in the wrong place. it should placed at
> configuring the `slave_config`.
> 
> > Please test this patch at least on one more SoC. There should be nothing
> > i.MX6 specific in here, the fact that the i.MX6 is mentioned several
> > times in the comments make me suspicious.
> 
> There are bugs in the UART DMA code in the firmware before the imx6q.
> So we can not test the UART DMA except the imx6q arm2 board.

Does this mean that there is no hope for a working uart dma on imx31 ? 

Thanks,

Philippe