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
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