From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: Re: [PATCH] OMAP HSMMC: fix MMC3 dma Date: Tue, 27 Jan 2009 14:02:42 +0200 Message-ID: <497EF7E2.7010906@nokia.com> References: <1233052573-6223-1-git-send-email-notasas@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.nokia.com ([192.100.122.230]:63472 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752741AbZA0Ltw (ORCPT ); Tue, 27 Jan 2009 06:49:52 -0500 In-Reply-To: <1233052573-6223-1-git-send-email-notasas@gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Grazvydas Ignotas Cc: "tony@atomide.com" , "drzeus-mmc@drzeus.cx" , "linux-omap@vger.kernel.org" , "linux-kernel@vger.kernel.org" Grazvydas Ignotas wrote: > Data transfers on third OMAP3 MMC controller don't work > because DMA line numbers are only defined for MMC1 and MMC2. > Fix that and store line numbers in mmc_omap_host structure > to reduce code size. > Tested on OMAP3 pandora board. > > Signed-off-by: Grazvydas Ignotas > --- > drivers/mmc/host/omap_hsmmc.c | 31 +++++++++++++++++++++++-------- > 1 files changed, 23 insertions(+), 8 deletions(-) > Have you considered using the scatter-gather emulation patch: http://marc.info/?l=linux-omap&m=122726069922195&w=2 It was reverted: http://marc.info/?l=linux-omap&m=122904725322787&w=2 because of a hardware problem with OMAP3430 before ES3.0, but applying: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6a79e391df295bd7c2aa1309ea5031f361c197fd seems to overcome even that.