Date: Fri, 31 Aug 2012 16:49:43 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Hein Tibosch <hein_tibosch@yahoo.es>
Cc: viresh kumar <viresh.kumar@linaro.org>,
        spear-devel <spear-devel@list.st.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "ludovic.desroches" <ludovic.desroches@atmel.com>,
        Havard Skinnemoen <havard@skinnemoen.net>,
        Nicolas Ferre <nicolas.ferre@atmel.com>, egtvedt@samfundet.no,
        Arnd Bergmann <arnd.bergmann@linaro.org>
Subject: Re: [PATCH 2/2] dw_dmac: max_mem_width limits value for
 SRC/DST_TR_WID register
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On Mon, 27 Aug 2012 04:41:04 +0800
Hein Tibosch <hein_tibosch@yahoo.es> wrote:

> The dw_dmac driver was earlier adapted to do 64-bit transfers
> on the memory side (https://lkml.org/lkml/2012/1/18/52)
> This works on ARM platforms but for AVR32 (AP700x) the maximum
> allowed transfer size is 32-bits.
> This patch allows the arch to set a new slave property
> max_mem_width to limit the size.
> Allowable values for dw_dma_slave::max_mem_width are:
> 

This patch fails to apply to mainline and to linux-next and I can't
work out how to make it to apply to either.  And "avr32-linux:
at32ap700x: set DMA slave properties for MCI dw_dmac" is said to depend
on this patch.

All confused, giving up.
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