Hi Sjur,
On Thu, Sep 13, 2012 at 9:03 PM, <sjur.brandel...@stericsson.com> wrote:
> From: Sjur Brændeland <sjur.brandel...@stericsson.com>
>
> Some of the rproc drivers needs to know the range
> of the notification IDs used for notifying the device.
> Export a variable in struct rproc holding the
> largest allocated notification id.
>
> Signed-off-by: Sjur Brændeland <sjur.brandel...@stericsson.com>
> ---
...
> void rproc_free_vring(struct rproc_vring *rvring)
> {
> + int i, maxid = 0;
> + struct rproc_vdev *rvdev, *tmp;
> int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
> struct rproc *rproc = rvring->rvdev->rproc;
>
> dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma);
> idr_remove(&rproc->notifyids, rvring->notifyid);
> +
> + /* Iterate over the new set of rings to find the largest id */
> + rvring->notifyid = 0;
> + list_for_each_entry_safe(rvdev, tmp, &rproc->rvdevs, node)
Why do you need the safe variant here ?
> + for (i = 0; i < RVDEV_NUM_VRINGS; i++)
Maybe instead of two nested loops, just use idr_for_each ?
Thanks,
Ohad.
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