From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Subject: Re: [PATCH] spi: davinci: Support DMA transfers larger than 65535 words Date: Mon, 14 Mar 2011 10:33:32 +0100 Message-ID: <4D7DE0EC.40607@denx.de> References: <1300026862-1179-1-git-send-email-michael.williamson@criticallink.com> <1300026862-1179-2-git-send-email-michael.williamson@criticallink.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org, dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Michael Williamson Return-path: In-Reply-To: <1300026862-1179-2-git-send-email-michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org Errors-To: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org List-Id: linux-spi.vger.kernel.org On 03/13/2011 03:34 PM, Michael Williamson wrote: > The current davinci SPI driver, in DMA mode, is limited to 65535 > words for a single transfer. Modify the driver by configuring a > 3 dimensional EDMA transfer to support up to 65535x65535 > words. > > Signed-off-by: Michael Williamson > --- > This patch is an attempt to address the issue raised here: > > http://comments.gmane.org/gmane.linux.davinci/20581 > Thanks to fix this issue ! Tested on a OMAP-L138 board. Tested-by: Stefano Babic Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office-ynQEQJNshbs@public.gmane.org =====================================================================