s390: add cma support

In order to make the cma infrastructure usable we need to add a small
architecture backend which calls dma_contiguous_reserve.
Otherwise we would end up with the cma allocator enabled, but no pool
where memory can be allocated from.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2016-11-14 13:57:03 +01:00
committed by Martin Schwidefsky
parent 1e16b09666
commit e1231b0e48
3 changed files with 4 additions and 2 deletions

View File

@@ -1,6 +1,5 @@
generic-y += clkdev.h
generic-y += dma-contiguous.h
generic-y += export.h
generic-y += irq_work.h
generic-y += mcs_spinlock.h