9a8805bb80
Factor the fifo half-full handling out of the interrupt function to reduce the indent level of the code. Tidy up the factored out code. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>