linux-kernel - Re: [PATCH V3] remoteproc: imx_rproc: iterate all notifiyids in rx callback

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Date:   Thu, 29 Jun 2023 10:33:51 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     andersson@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        daniel.baluta@....com, iuliana.prodan@....com,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V3] remoteproc: imx_rproc: iterate all notifiyids in rx callback

On Thu, 29 Jun 2023 at 03:28, Peng Fan (OSS) <peng.fan@....nxp.com> wrote:
>
> From: Peng Fan <peng.fan@....com>
>
> The current code only supports one vdev and a single callback,
> but there are cases need more vdevs. So iterate all notifyids to
> support more vdevs with the single callback.
>

Much better - I'll pick this up when rc2 comes out.

Thanks,
Mathieu

> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>
> V3:
>  Drop debug message in callback
>
> V2:
>  Update commit log
>
>  drivers/remoteproc/imx_rproc.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index f9874fc5a80f..986d3db81596 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -725,13 +725,22 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
>         return 0;
>  }
>
> +static int imx_rproc_notified_idr_cb(int id, void *ptr, void *data)
> +{
> +       struct rproc *rproc = data;
> +
> +       rproc_vq_interrupt(rproc, id);
> +
> +       return 0;
> +}
> +
>  static void imx_rproc_vq_work(struct work_struct *work)
>  {
>         struct imx_rproc *priv = container_of(work, struct imx_rproc,
>                                               rproc_work);
> +       struct rproc *rproc = priv->rproc;
>
> -       rproc_vq_interrupt(priv->rproc, 0);
> -       rproc_vq_interrupt(priv->rproc, 1);
> +       idr_for_each(&rproc->notifyids, imx_rproc_notified_idr_cb, rproc);
>  }
>
>  static void imx_rproc_rx_callback(struct mbox_client *cl, void *msg)
> --
> 2.37.1
>