Commit c60bf3eb authored by Robin Murphy's avatar Robin Murphy Committed by Rob Herring
Browse files

of: address: Follow DMA parent for "dma-coherent" 



Much like for address translation, when checking for DMA coherence we
should be sure to walk up the DMA hierarchy, rather than the MMIO one,
now that we can accommodate them being different.

Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Tested-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 862ab557

drivers/of/address.c

+1 −1
Original line number Diff line number Diff line
@@ -999,7 +999,7 @@ bool of_dma_is_coherent(struct device_node *np) 
			of_node_put(node);

			return true;

		}

		node = of_get_next_parent(node);

		node = of_get_next_dma_parent(node);

	}

	of_node_put(node);

	return false;