Commit 5b648a98 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] dma_sync_sg_for_cpu is a no-op except for non-coherent R10000s. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 47d7c44b

arch/mips/mm/dma-default.c

+1 −1
Original line number Diff line number Diff line
@@ -295,7 +295,7 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, 


	/* Make sure that gcc doesn't leave the empty loop body.  */

	for (i = 0; i < nelems; i++, sg++) {

		if (!plat_device_is_coherent(dev))

		if (cpu_is_noncoherent_r10000(dev))

			__dma_sync((unsigned long)page_address(sg->page),

			           sg->length, direction);

		plat_unmap_dma_mem(sg->dma_address);