On Fri, 2007-08-10 at 14:54 +0100, Alan Cox wrote: > > > Ok so we do in fact need some kind of proper way to ask if a device is > > > DMA capable ? > > > > Right now it seems to be (dev->dma_mask != NULL) > > I'll follow that path for now then Not in non platform code, please ... somewhere on the Janitor's list is moving the dma_mask from the bus specific devices into the generic device ... when that happens this quantity will become u64 and they won't know what to do with the NULL check. Even today, it's wrong for this to be NULL. It's a bug somewhere in the pcmcia layer. What should happen is that there should be a u64 dma_mask somewhere in struct pcmcia_device where this should be pointing. James - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
