Messages in this thread |  | | | Date | Mon, 16 Jan 2012 17:14:55 +0530 | | From | Viresh Kumar <> | | Subject | Re: [PATCH 7/8] dmaengine/dw_dmac: Unmap all memory buffers after completion of slave transfers |
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On 1/16/2012 4:24 PM, Russell King - ARM Linux wrote: > Note that DMA engine drivers are not responsible for unmapping the buffers > when the transfer completes - that is the responsibility of the caller. > > The automatic buffer unmapping is required for the async_tx APIs and > offload APIs.
In dw_dmac, it is only done for slave transfers. Is this Okay ??
-- viresh
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