On Tue, Oct 27, 2015 at 11:48:51PM +0100, Christian Borntraeger wrote: > @@ -1093,6 +1094,7 @@ static void virtio_ccw_auto_online(void *data, async_cookie_t cookie) > struct ccw_device *cdev = data; > int ret; > > + cdev->dev.archdata.dma_ops = &dma_noop_ops; > ret = ccw_device_set_online(cdev); > if (ret) > dev_warn(&cdev->dev, "Failed to set online: %d\n", ret); Hmm, drivers usually don't deal with setting the dma_ops for their devices, as they depend on the platform and not so much on the device itself. Can you do this special-case handling from device independent platform code, where you also setup dma_ops for other devices? Joerg -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
