MFC hardware is known to trash random memory if one tries to use a
buffer which has lower DMA addresses than the configured DMA base
address. This patch adds a check for this case and proper error
handling.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Acked-by: NKamil Debski <kamil@wypas.org>
[s.nawrocki@samsung.com: fixed typo (addres -> address]
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>