Report amount of pending data when a transfer stops due to errors.

Report if DMA was used to transfer data and print the status code.
Reviewed-by: NKrzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: NŁukasz Stelmach <l.stelmach@samsung.com>
Link: https://lore.kernel.org/r/20201002122243.26849-5-l.stelmach@samsung.comSigned-off-by: NMark Brown <broonie@kernel.org>