551199aca1c3 ("lib/dma-virt: Add dma_virt_ops") 7844572c6339 ("lib/dma-noop: Only build dma_noop_ops for s390 and m32r") 5299709d0a87 ("treewide: Constify most dma_map_ops structures") 2ec4584eb89b ("Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux")