linux-kernel - Re: [PATCH 0/6] rpmsg: enable the use of the rpmsg

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Message-ID: <20210315161613.GA1339147@xps15>
Date:   Mon, 15 Mar 2021 10:16:13 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Andy Gross <agross@...nel.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 0/6] rpmsg: enable the use of the rpmsg_char device for
 the Virtio backend

On Thu, Mar 11, 2021 at 03:04:07PM +0100, Arnaud Pouliquen wrote:
> This series is the first step in the division of the series: 
> "Introduce a generic IOCTL interface for RPMsg channels management"[1]
> 
> The main goal here is to enable the RPMsg char interface for
> the virtio RPMsg backend. 
> 
> In addition some patches have been includes in order to document the
> interface and rename the rpmsg_char_init function.
> 
> It also includes Mathieu Poirier's comments made on [1]
> 
> Patchsets that should be the next steps:
>  - Extract the control part of the char dev and create the rpmsg_ctrl.c
>    file
>  - Introduce the RPMSG_CREATE_DEV_IOCTL IOCTL to instantiate RPMsg devices
> 
> 
> [1]: https://patchwork.kernel.org/project/linux-remoteproc/list/?series=435523
> 
> Arnaud Pouliquen (6):
>   rpmsg: char: Rename rpmsg_char_init to rpmsg_chrdev_init
>   rpmsg: Move RPMSG_ADDR_ANY in user API
>   rpmsg: Add short description of the IOCTL defined in UAPI.
>   rpmsg: char: Use rpmsg_sendto to specify the message destination
>     address
>   rpmsg: virtio: Register the rpmsg_char device
>   rpmsg: char: Return an error if device already open
> 
>  drivers/rpmsg/qcom_glink_native.c | 16 ++++++++
>  drivers/rpmsg/qcom_smd.c          | 16 ++++++++
>  drivers/rpmsg/rpmsg_char.c        | 11 ++++--
>  drivers/rpmsg/virtio_rpmsg_bus.c  | 62 ++++++++++++++++++++++++++++---
>  include/linux/rpmsg.h             |  3 +-
>  include/uapi/linux/rpmsg.h        | 13 ++++++-
>  6 files changed, 108 insertions(+), 13 deletions(-)

Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>

> 
> -- 
> 2.17.1
>