From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: Re: [PATCH v3 1/2] omap: dma: Fix buffering disable bit setting for omap24xx Date: Mon, 4 Oct 2010 09:15:27 +0300 Message-ID: <201010040915.27745.peter.ujfalusi@nokia.com> References: <1285936577-14881-1-git-send-email-peter.ujfalusi@nokia.com> <20101004084317.725009ef.jhnikula@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtp.nokia.com ([192.100.122.233]:48780 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752181Ab0JDGQI convert rfc822-to-8bit (ORCPT ); Mon, 4 Oct 2010 02:16:08 -0400 In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "ext G, Manjunath Kondaiah" Cc: Jarkko Nikula , Tony Lindgren , "linux-omap@vger.kernel.org" , Liam Girdwood On Monday 04 October 2010 08:55:46 ext G, Manjunath Kondaiah wrote: >=20 > 2/2 is applicable for all omap2plus except omap4. So far 2/2 workarou= nd is > not used with TI internal trees. >=20 > > We experimented that also on 2420 and it seemed to help but since t= he > > lockup was unrecovable I went thinking if 2420 has also another iss= ue > > what original > > workaround was trying to fix and buffering disable was needed there= =2E >=20 > I don't have any data for 2420. Based on your observation, it is bett= er > to disable buffering for 2420. Does the same errata number applies to OMAP2 and OMAP3 as well? =46or OMAP3 the errata number is i541, but I do not know the iXYZ numbe= r for OMAP2=20 class. Thanks, P=E9ter -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html