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Message-ID: <497EF7E2.7010906@nokia.com>
Date: Tue, 27 Jan 2009 14:02:42 +0200
From: Adrian Hunter <ext-adrian.hunter@...ia.com>
To: Grazvydas Ignotas <notasas@...il.com>
CC: "tony@...mide.com" <tony@...mide.com>,
"drzeus-mmc@...eus.cx" <drzeus-mmc@...eus.cx>,
"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] OMAP HSMMC: fix MMC3 dma
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 <notasas@...il.com>
> ---
> 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.
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