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path: root/drivers/s390/virtio
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Diffstat (limited to 'drivers/s390/virtio')
-rw-r--r--drivers/s390/virtio/virtio_ccw.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 6a3076881321..f995798bb025 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -66,7 +66,6 @@ struct virtio_ccw_device {
bool device_lost;
unsigned int config_ready;
void *airq_info;
- u64 dma_mask;
};
struct vq_info_block_legacy {
@@ -1255,16 +1254,7 @@ static int virtio_ccw_online(struct ccw_device *cdev)
ret = -ENOMEM;
goto out_free;
}
-
vcdev->vdev.dev.parent = &cdev->dev;
- cdev->dev.dma_mask = &vcdev->dma_mask;
- /* we are fine with common virtio infrastructure using 64 bit DMA */
- ret = dma_set_mask_and_coherent(&cdev->dev, DMA_BIT_MASK(64));
- if (ret) {
- dev_warn(&cdev->dev, "Failed to enable 64-bit DMA.\n");
- goto out_free;
- }
-
vcdev->config_block = kzalloc(sizeof(*vcdev->config_block),
GFP_DMA | GFP_KERNEL);
if (!vcdev->config_block) {