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Re: DMA buffer
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Re: DMA buffer



On Jun 11, 2004, at 10:52 AM, Godfrey van der Linden wrote:

> You can combine step 1 & 2 by creating an contiguous
> IOBufferMemoryDescriptor rather than calling IOMallocContiguous
> directly. I believe the IOBMD also 'auto-prepares' so it will
> generally just do the right thing.

Really? I've been told repeatedly to call prepare and complete even for
IOBufferMemoryDescriptor. Guess I'd better go read the source again...

Chris

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References: 
 >DMA buffer (From: "Lalit Chandivade" <email@hidden>)
 >Re: DMA buffer (From: Godfrey van der Linden <email@hidden>)



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