Messages in this thread | | | Date | Mon, 22 Feb 2010 21:26:13 +0100 (CET) | From | Guennadi Liakhovetski <> | Subject | Re: [async_tx-next PATCH 2/2] fsldma: Fix cookie issues |
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On Mon, 22 Feb 2010, Steven J. Magnani wrote:
> diff -uprN a/include/linux/dmaengine.h b/include/linux/dmaengine.h > --- a/include/linux/dmaengine.h 2010-02-22 11:18:11.000000000 -0600 > +++ b/include/linux/dmaengine.h 2010-02-22 11:18:30.000000000 -0600 > @@ -31,6 +31,8 @@ > * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code > */ > typedef s32 dma_cookie_t; > +#define DMA_MIN_COOKIE 1 > +#define DMA_MAX_COOKIE 2147483647
Taking into account, that dma_cookie_t is 32 bits:
+#define DMA_MAX_COOKIE ((1 << 31) - 1)
Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/
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