powerpc/pasemi: Use dma_zalloc_coherent()

Replace dma_alloc_coherent() + memset() with dma_zalloc_coherent().

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Sabyasachi Gupta 2018-11-05 08:58:23 +05:30 • committed by Michael Ellerman
commit c3d6a64bd1