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Message-ID: <20220705152609.GA2440144@p14s>
Date:   Tue, 5 Jul 2022 09:26:09 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        Rob Herring <robh@...nel.org>, Christoph Hellwig <hch@....de>,
        Stefano Stabellini <stefanos@...inx.com>,
        Bruce Ashfield <bruce.ashfield@...inx.com>
Subject: Re: [PATCH v6 2/4] remoteproc: core: Introduce rproc_add_rvdev
 function

On Fri, Jun 03, 2022 at 06:31:56PM +0200, Arnaud Pouliquen wrote:
> The rproc structure contains a list of registered rproc_vdev structure.
> To be able to move the management of the rproc_vdev structure in
> remoteproc_virtio.c (i.e rproc_rvdev_add_device and
> rproc_rvdev_remove_device functions), introduce the rproc_add_rvdev

Function rproc_rvdev_remove_device() no longer exists and shouldn't be part of
this changelog.

> and rproc_remove_rvdev functions.
> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> ---
> Updates vs previous revision (based on Mathieu Poirier's comments):
> - Fix function name in commit message and add Mathieu's Reviewed-by.
> ---
>  drivers/remoteproc/remoteproc_core.c | 16 ++++++++++++++--
>  1 file changed, 14 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index c438c32f7f0d..86147efc0aad 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -484,6 +484,18 @@ static int copy_dma_range_map(struct device *to, struct device *from)
>  	return 0;
>  }
>  
> +static void rproc_add_rvdev(struct rproc *rproc, struct rproc_vdev *rvdev)
> +{
> +	if (rvdev && rproc)
> +		list_add_tail(&rvdev->node, &rproc->rvdevs);
> +}
> +
> +static void rproc_remove_rvdev(struct rproc_vdev *rvdev)
> +{
> +	if (rvdev)
> +		list_del(&rvdev->node);
> +}
> +
>  static struct rproc_vdev *
>  rproc_rvdev_add_device(struct rproc *rproc, struct rproc_vdev_data *rvdev_data)
>  {
> @@ -547,7 +559,7 @@ rproc_rvdev_add_device(struct rproc *rproc, struct rproc_vdev_data *rvdev_data)
>  			goto unwind_vring_allocations;
>  	}
>  
> -	list_add_tail(&rvdev->node, &rproc->rvdevs);
> +	rproc_add_rvdev(rproc, rvdev);
>  
>  	rvdev->subdev.start = rproc_vdev_do_start;
>  	rvdev->subdev.stop = rproc_vdev_do_stop;
> @@ -577,7 +589,7 @@ void rproc_vdev_release(struct kref *ref)
>  	}
>  
>  	rproc_remove_subdev(rproc, &rvdev->subdev);
> -	list_del(&rvdev->node);
> +	rproc_remove_rvdev(rvdev);
>  	device_unregister(&rvdev->dev);
>  }
>  
> -- 
> 2.24.3
> 

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