This function creates userspace mapping for the DMA-coherent memory.
Signed-off-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: NOleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com>
Signed-off-by: NAndrii Anisov <andrii_anisov@epam.com>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad@kernel.org>