The current code acknowledged interrupts *after* polling.
This is the wrong way around, and could cause an interrupt to
be missed.
This is not likely to be fatal as another packet, and so another
interrupt, should come along soon. But maybe it is causing
problems, so let's fix it anyway.
Signed-off-by: NeilBrown <neil@brown.name>
(Note that this matches the upstream driver.)
Signed-off-by: Rosen Penev <rosenp@gmail.com>
e2fe53f6e7