From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Tue, 22 Jan 2013 02:59:13 +0100
Subject: [U-Boot] [PATCH 9/9] mx23: Use PIO mode support for MMC
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Dear Otavio Salvador,

> On Mon, Jan 21, 2013 at 11:50 PM, Marek Vasut <marex@denx.de> wrote:
> > Dear Otavio Salvador,
> > 
> > NAK. DMA works on MX28 and works in Linux on MX23, therefore the DMA is
> > not broken on either. Thus there's no reason to introduce such
> > "force_pio" stuff.
> 
> Lack of time to work on it is one reason. I won't be able to work on
> it for some days and I prefer a working solution than skip it for
> another release.

The solution you propose adds undocumented feature and is not working, this is 
clearly a workaround.

Best regards,
Marek Vasut