ARM: pxa: move core and drivers to dmaengine
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Cover letter [PATCH 00/20] ARM: pxa: move core and drivers to dmaengine
Quoted 10 lines · Robert Jarzmik
Quoted 5 lines · Vinod Koul
If you submit C, and invoke
dma_async_issue_pending(), C is queued On B completetion, the DMA driver will start C and invoke callback for B.If B completes before C is submitted, after submit and invoking
dma_async_issue_pending(), the C buffer will be queued and started.OK, that settles it then. The API allows hot chaining, and if I understand Daniel's driver properly, he already thought about it (in
append_pending_queue()).
Just for the records: it's not my driver :) I just added some functions recently to make it work in DT and audio environments.
Quoted 4 lines
I have some homework now Daniel, I'll send you my work to include into your patch serie for the review, and my tests of your patches.
I need a bit of time (1 or 2 weeks), because of holidays, for my patch.
Great, thanks a lot. I extracted some of the patches of my set to individual trees so they can be merged for 3.12. I'll rebase my series once 3.12-rc1 is released.
Many thanks for your help,
Daniel