Marvell Yukon II (msk driver) polling support

[YongHyeon PYUN]

On Mon, May 30, 2016 at 03:59:12PM +0300, ?????????? via freebsd-drivers wrote:
> Do I understand correctly, that I need to move msk_intr_gmac() to
> polling loop?
> 

Since polling(4) does not rely on interrupts, you have to
periodically check all possible status change in the loop.
Most polling-enabled drivers do that when the callback is called
with POLL_AND_CHECK_STATUS poll_cmd.