On Mon, 2015-03-09 at 20:11 +0900, Tomasz Figa wrote: <...> > > +/* > > + * pimudev is a global var for dma_alloc_coherent. > > + * It is not accepatable, we will delete it if "domain_alloc" is enabled > > + */ > > +static struct device *pimudev; > > This is indeed not acceptable. Could you replace dma_alloc_coherent() > with something that doesn't require device pointer, e.g. > alloc_pages()? (Although that would require you to handle cache > maintenance in the driver, due to cached memory allocated.) I need to > think about a better solution for this. Hi, For 2nd level page table, we use cached memory now. Currently we are using __dma_flush_range to flush the cache, which is also unacceptable. For proper cache management, we'll need to use dma_map_single or dma_sync_*, which still need a deivce*. Joe.C -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
