Re: [PATCH 14/16] virtio_rpmsg_bus: use simplified virtqueue accessors.

From: Wanlong Gao
Date: Wed Feb 20 2013 - 06:11:32 EST


On 02/19/2013 03:56 PM, Rusty Russell wrote:
> We never add buffers with input and output parts, so use the new accessors.
>
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

Reviewed-by: Wanlong Gao <gaowanlong@xxxxxxxxxxxxxx>

> ---
> drivers/rpmsg/virtio_rpmsg_bus.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
> index f1e3239..d9897d1 100644
> --- a/drivers/rpmsg/virtio_rpmsg_bus.c
> +++ b/drivers/rpmsg/virtio_rpmsg_bus.c
> @@ -763,14 +763,14 @@ int rpmsg_send_offchannel_raw(struct rpmsg_channel *rpdev, u32 src, u32 dst,
> mutex_lock(&vrp->tx_lock);
>
> /* add message to the remote processor's virtqueue */
> - err = virtqueue_add_buf(vrp->svq, &sg, 1, 0, msg, GFP_KERNEL);
> + err = virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL);
> if (err) {
> /*
> * need to reclaim the buffer here, otherwise it's lost
> * (memory won't leak, but rpmsg won't use it again for TX).
> * this will wait for a buffer management overhaul.
> */
> - dev_err(dev, "virtqueue_add_buf failed: %d\n", err);
> + dev_err(dev, "virtqueue_add_outbuf failed: %d\n", err);
> goto out;
> }
>
> @@ -845,7 +845,7 @@ static void rpmsg_recv_done(struct virtqueue *rvq)
> sg_init_one(&sg, msg, RPMSG_BUF_SIZE);
>
> /* add the buffer back to the remote processor's virtqueue */
> - err = virtqueue_add_buf(vrp->rvq, &sg, 0, 1, msg, GFP_KERNEL);
> + err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, msg, GFP_KERNEL);
> if (err < 0) {
> dev_err(dev, "failed to add a virtqueue buffer: %d\n", err);
> return;
> @@ -976,7 +976,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
>
> sg_init_one(&sg, cpu_addr, RPMSG_BUF_SIZE);
>
> - err = virtqueue_add_buf(vrp->rvq, &sg, 0, 1, cpu_addr,
> + err = virtqueue_add_inbuf(vrp->rvq, &sg, 1, cpu_addr,
> GFP_KERNEL);
> WARN_ON(err); /* sanity check; this can't really happen */
> }
>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/