Re: [PATCH v5 07/16] rpmsg: update rpmsg_chrdev_register_device function

From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
	Ohad Ben-Cohen <ohad@wizery.com>, Andy Gross <agross@kernel.org>,
	linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v5 07/16] rpmsg: update rpmsg_chrdev_register_device function
Date: Wed, 3 Mar 2021 10:01:30 -0700	[thread overview]
Message-ID: <20210303170130.GC3817330@xps15> (raw)
In-Reply-To: <20210219111501.14261-8-arnaud.pouliquen@foss.st.com>

On Fri, Feb 19, 2021 at 12:14:52PM +0100, Arnaud Pouliquen wrote:
> As driver is now the rpmsg_ioctl, rename the function.
> In addition, initialize the rpdev addresses to RPMSG_ADDR_ANY as not
> defined.

This patch works but the changelog needs a rework.  The title reflects the
essence of changes but the text of the changelog doesn't.

> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
> ---
>  drivers/rpmsg/qcom_glink_native.c |  2 +-
>  drivers/rpmsg/qcom_smd.c          |  2 +-
>  drivers/rpmsg/rpmsg_ctrl.c        |  2 +-
>  drivers/rpmsg/rpmsg_internal.h    | 10 ++++++----
>  4 files changed, 9 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
> index 27a05167c18c..d4e4dd482614 100644
> --- a/drivers/rpmsg/qcom_glink_native.c
> +++ b/drivers/rpmsg/qcom_glink_native.c
> @@ -1625,7 +1625,7 @@ static int qcom_glink_create_chrdev(struct qcom_glink *glink)
>  	rpdev->dev.parent = glink->dev;
>  	rpdev->dev.release = qcom_glink_device_release;
>  
> -	return rpmsg_chrdev_register_device(rpdev);
> +	return rpmsg_ctrl_register_device(rpdev);
>  }
>  
>  struct qcom_glink *qcom_glink_native_probe(struct device *dev,
> diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
> index 19903de6268d..40a1c415c775 100644
> --- a/drivers/rpmsg/qcom_smd.c
> +++ b/drivers/rpmsg/qcom_smd.c
> @@ -1097,7 +1097,7 @@ static int qcom_smd_create_chrdev(struct qcom_smd_edge *edge)
>  	qsdev->rpdev.dev.parent = &edge->dev;
>  	qsdev->rpdev.dev.release = qcom_smd_release_device;
>  
> -	return rpmsg_chrdev_register_device(&qsdev->rpdev);
> +	return rpmsg_ctrl_register_device(&qsdev->rpdev);
>  }
>  
>  /*
> diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c
> index fa05b67d24da..2e43b4096aa8 100644
> --- a/drivers/rpmsg/rpmsg_ctrl.c
> +++ b/drivers/rpmsg/rpmsg_ctrl.c
> @@ -180,7 +180,7 @@ static struct rpmsg_driver rpmsg_ctrl_driver = {
>  	.probe = rpmsg_ctrl_probe,
>  	.remove = rpmsg_ctrl_remove,
>  	.drv = {
> -		.name = "rpmsg_chrdev",
> +		.name = KBUILD_MODNAME,
>  	},
>  };
>  
> diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
> index a76c344253bf..7428f4465d17 100644
> --- a/drivers/rpmsg/rpmsg_internal.h
> +++ b/drivers/rpmsg/rpmsg_internal.h
> @@ -82,16 +82,18 @@ struct rpmsg_device *rpmsg_create_channel(struct rpmsg_device *rpdev,
>  int rpmsg_release_channel(struct rpmsg_device *rpdev,
>  			  struct rpmsg_channel_info *chinfo);
>  /**
> - * rpmsg_chrdev_register_device() - register chrdev device based on rpdev
> + * rpmsg_ctrl_register_device() - register a char device for control based on rpdev
>   * @rpdev:	prepared rpdev to be used for creating endpoints
>   *
>   * This function wraps rpmsg_register_device() preparing the rpdev for use as
>   * basis for the rpmsg chrdev.
>   */
> -static inline int rpmsg_chrdev_register_device(struct rpmsg_device *rpdev)
> +static inline int rpmsg_ctrl_register_device(struct rpmsg_device *rpdev)
>  {
> -	strcpy(rpdev->id.name, "rpmsg_chrdev");
> -	rpdev->driver_override = "rpmsg_chrdev";
> +	strcpy(rpdev->id.name, "rpmsg_ctrl");
> +	rpdev->driver_override = "rpmsg_ctrl";
> +	rpdev->src = RPMSG_ADDR_ANY;
> +	rpdev->dst = RPMSG_ADDR_ANY;
>  
>  	return rpmsg_register_device(rpdev);
>  }
> -- 
> 2.17.1
> 