On Sun, Dec 11, 2016 at 09:03:49PM +0100, Hauke Mehrtens wrote: > This callback checks if the transfer really finished. This allows a > driver to directly call the completion list in the irq handler and it > does not have to bushy wait till the hardware is really finished in the > IRQ handler. This is needed for the Lantiq driver. This is really hard to understand and does not seem like a good interface, it's going to be confusing for anyone who doesn't have hardware which is broken in whatever way your hardware is broken and it sounds like it's misnamed for your hardware since my guess is that you actually want to wait for something in the function rather than just check to see if the transfer completed. Why not just have your interrupt handler schedule something on a workqueue to check whatever it is needs checking here?
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