From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrea Paterniani Subject: Re: i.MX SPI driver Date: Thu, 18 Jun 2009 09:39:16 +0200 Message-ID: <4A39EF24.3080800@swapp-eng.it> References: <1245235220-23816-1-git-send-email-s.hauer@pengutronix.de> <4A39E2BF.8060104@swapp-eng.it> <20090618070124.GU31396@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: VISCOUNT - Larcher Alessandro , VISCOUNT - Zinato Carlo , VISCOUNT - Gabrielli Sandro , David Brownell , spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-arm-kernel-xIg/pKzrS19vn6HldHNs0ANdhmdF6hFW@public.gmane.org To: Sascha Hauer Return-path: In-Reply-To: <20090618070124.GU31396-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org Ok! I agree with you. Anyway consider that because of my work scheduling I'll have no time to spend for the next months. Please keep me informed on future developments. Regards, Andrea Sascha Hauer ha scritto: > Hi Andrea, > > On Thu, Jun 18, 2009 at 08:46:23AM +0200, Andrea Paterniani wrote: > >> Hi Sascha, >> >> Sorry for late replay! >> The current driver support DMA transfers. >> Surely for our design this feature is mandatory since we need to sustain >> heavy SPI traffic. >> I suggest to not remove the driver even if it only supports iMX1 device >> and not the entire family. >> Is it possible to have both current and new drivers? >> > > I really wouldn't suggest that. The current driver does not work anymore > anyway since arch-imx is gone and the DMA API has changed on arch-mx1. > We have to do some work anyway, so I suggest to put the effort into DMA > support for the new driver. Since it's a bitbang driver it shouldn't be > hard. > > Sascha > > -- ------------------------------------------------------------------------ *Ing. Andrea Paterniani* *SWAPP* - Studio Professionale Via degli Abeti, 312 - 61100 Pesaro Tel 0721 24256 Fax 178 220 8730 a.paterniani-03BXCEkGbFHYGGNLXY5/rw@public.gmane.org www.swapp-eng.it ------------------------------------------------------------------------ ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects