From: Caesar Wang <w...@rock-chips.com> Date: Fri, 6 May 2016 20:19:16 +0800
> Doing tx_clean() inside poll() may scramble the tx ring buffer if > tx() is running. This will cause tx to stop working, which can be > reproduced by simultaneously downloading two large files at high speed. > > Moving tx_clean() into tx() will prevent this. And tx interrupt is no > longer needed now. TX completion work is always recommended to be done in the ->poll() handler. Fix the race or whatever bug there is rather than working around it, and regressing the driver, by handling TX completion in the interrupt handler. Thanks.
