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path: root/drivers/char/virtio_console.c
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Diffstat (limited to 'drivers/char/virtio_console.c')
-rw-r--r--drivers/char/virtio_console.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 58684e4a0814..c74dacfa6795 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -188,6 +188,9 @@ static void hvc_handle_input(struct virtqueue *vq)
188 * Finally we put our input buffer in the input queue, ready to receive. */ 188 * Finally we put our input buffer in the input queue, ready to receive. */
189static int __devinit virtcons_probe(struct virtio_device *dev) 189static int __devinit virtcons_probe(struct virtio_device *dev)
190{ 190{
191 vq_callback_t *callbacks[] = { hvc_handle_input, NULL};
192 const char *names[] = { "input", "output" };
193 struct virtqueue *vqs[2];
191 int err; 194 int err;
192 195
193 vdev = dev; 196 vdev = dev;
@@ -199,20 +202,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev)
199 goto fail; 202 goto fail;
200 } 203 }
201 204
202 /* Find the input queue. */ 205 /* Find the queues. */
203 /* FIXME: This is why we want to wean off hvc: we do nothing 206 /* FIXME: This is why we want to wean off hvc: we do nothing
204 * when input comes in. */ 207 * when input comes in. */
205 in_vq = vdev->config->find_vq(vdev, 0, hvc_handle_input, "input"); 208 err = vdev->config->find_vqs(vdev, 2, vqs, callbacks, names);
206 if (IS_ERR(in_vq)) { 209 if (err)
207 err = PTR_ERR(in_vq);
208 goto free; 210 goto free;
209 }
210 211
211 out_vq = vdev->config->find_vq(vdev, 1, NULL, "output"); 212 in_vq = vqs[0];
212 if (IS_ERR(out_vq)) { 213 out_vq = vqs[1];
213 err = PTR_ERR(out_vq);
214 goto free_in_vq;
215 }
216 214
217 /* Start using the new console output. */ 215 /* Start using the new console output. */
218 virtio_cons.get_chars = get_chars; 216 virtio_cons.get_chars = get_chars;
@@ -233,17 +231,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev)
233 hvc = hvc_alloc(0, 0, &virtio_cons, PAGE_SIZE); 231 hvc = hvc_alloc(0, 0, &virtio_cons, PAGE_SIZE);
234 if (IS_ERR(hvc)) { 232 if (IS_ERR(hvc)) {
235 err = PTR_ERR(hvc); 233 err = PTR_ERR(hvc);
236 goto free_out_vq; 234 goto free_vqs;
237 } 235 }
238 236
239 /* Register the input buffer the first time. */ 237 /* Register the input buffer the first time. */
240 add_inbuf(); 238 add_inbuf();
241 return 0; 239 return 0;
242 240
243free_out_vq: 241free_vqs:
244 vdev->config->del_vq(out_vq); 242 vdev->config->del_vqs(vdev);
245free_in_vq:
246 vdev->config->del_vq(in_vq);
247free: 243free:
248 kfree(inbuf); 244 kfree(inbuf);
249fail: 245fail: