On Thu, Jul 25, 2013 at 05:32:35PM +0200, Lars-Peter Clausen wrote: > > I see. But it can't be reused before calling the callback if it is > > going to call the callback, right? > > So if this is a no-no, I'm left with an additional argument to the > > complete callback? > > Hm, maybe using dmaengine_tx_status() and checking the residue field of the > state struct. transferred is basically len - residue. This might actually work. So this would reduce the patch to simply update the kernel doc for residue in struct dma_tx_state that it might also be valid for DMA_SUCCESS. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html