On Thu, Apr 13, 2017 at 02:04:21PM -0700, Stefano Stabellini wrote: > The following commit: > > commit 815dd18788fe0d41899f51b91d0560279cf16b0d > Author: Bart Van Assche <[email protected]> > Date: Fri Jan 20 13:04:04 2017 -0800 > > treewide: Consolidate get_dma_ops() implementations > > rearranges get_dma_ops in a way that xen_dma_ops are not returned when > running on Xen anymore, dev->dma_ops is returned instead (see > arch/arm/include/asm/dma-mapping.h:get_arch_dma_ops and > include/linux/dma-mapping.h:get_dma_ops). > > Fix the problem by storing dev->dma_ops in dev_archdata, and setting > dev->dma_ops to xen_dma_ops. This way, xen_dma_ops is returned naturally > by get_dma_ops. The Xen code can retrieve the original dev->dma_ops from > dev_archdata when needed. It also allows us to remove __generic_dma_ops > from common headers. > > Signed-off-by: Stefano Stabellini <[email protected]> > Tested-by: Julien Grall <[email protected]> > Suggested-by: Catalin Marinas <[email protected]> > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: [email protected] > CC: Julien Grall <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>

