From: Stefano Babic <sbabic-ynQEQJNshbs@public.gmane.org>
To: Michael Williamson
<michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org,
dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] spi: davinci: Support DMA transfers larger than 65535 words
Date: Mon, 14 Mar 2011 10:33:32 +0100 [thread overview]
Message-ID: <4D7DE0EC.40607@denx.de> (raw)
In-Reply-To: <1300026862-1179-2-git-send-email-michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org>
On 03/13/2011 03:34 PM, Michael Williamson wrote:
> The current davinci SPI driver, in DMA mode, is limited to 65535
> words for a single transfer. Modify the driver by configuring a
> 3 dimensional EDMA transfer to support up to 65535x65535
> words.
>
> Signed-off-by: Michael Williamson <michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org>
> ---
> This patch is an attempt to address the issue raised here:
>
> http://comments.gmane.org/gmane.linux.davinci/20581
>
Thanks to fix this issue ! Tested on a OMAP-L138 board.
Tested-by: Stefano Babic <sbabic-ynQEQJNshbs@public.gmane.org>
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2011-03-14 9:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-13 14:34 [PATCH] spi: davinci: Use correct length parameter to dma_map_single calls Michael Williamson
[not found] ` <1300026862-1179-1-git-send-email-michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org>
2011-03-13 14:34 ` [PATCH] spi: davinci: Support DMA transfers larger than 65535 words Michael Williamson
[not found] ` <1300026862-1179-2-git-send-email-michael.williamson-wZX4cNJlHJ2sVWG7oymsAA@public.gmane.org>
2011-03-14 9:33 ` Stefano Babic [this message]
2011-03-14 10:25 ` Sergei Shtylyov
[not found] ` <4D7DED07.7020000-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2011-03-14 11:06 ` Michael Williamson
2011-03-14 19:18 ` [PATCH] spi: davinci: Use correct length parameter to dma_map_single calls Grant Likely
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