| Message ID | 1439363150-8661-27-git-send-email-hch@lst.de (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c index 0b77ddb..94ed052 100644 --- a/arch/openrisc/kernel/dma.c +++ b/arch/openrisc/kernel/dma.c @@ -184,8 +184,13 @@ or1k_map_sg(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) { - s->dma_address = or1k_map_page(dev, sg_page(s), s->offset, - s->length, dir, NULL); + if (sg_has_page(s)) { + s->dma_address = or1k_map_page(dev, sg_page(s), + s->offset, s->length, dir, + NULL); + } else { + s->dma_address = sg_phys(s); + } } return nents;
Make all cache invalidation conditional on sg_has_page() and use sg_phys to get the physical address directly. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/openrisc/kernel/dma.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)