Re: [PATCH v3 3/6] rpmsg: Update rpmsg_chrdev_register_device function

From: Mathieu Poirier
Date: Tue May 04 2021 - 12:15:04 EST


On Thu, Apr 29, 2021 at 03:55:04PM +0200, Arnaud Pouliquen wrote:
> The rpmsg_chrdev driver has been replaced by the rpmsg_ctrl driver
> for the /dev/rpmsg_ctrlX devices management. The reference for the
> driver override is now the rpmsg_ctrl.
>
> Update the rpmsg_chrdev_register_device function to reflect the update,
> and rename the function to use the rpmsg_ctrldev prefix.
>
> The platform drivers are updated accordingly.
>
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> ---
> drivers/rpmsg/qcom_glink_native.c | 2 +-
> drivers/rpmsg/qcom_smd.c | 2 +-
> drivers/rpmsg/rpmsg_ctrl.c | 2 +-
> drivers/rpmsg/rpmsg_internal.h | 8 ++++----
> drivers/rpmsg/virtio_rpmsg_bus.c | 2 +-
> 5 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
> index 05533c71b10e..7d7e809800ec 100644
> --- a/drivers/rpmsg/qcom_glink_native.c
> +++ b/drivers/rpmsg/qcom_glink_native.c
> @@ -1642,7 +1642,7 @@ 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_ctrldev_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 8da1b5cb31b3..d223e438d17c 100644
> --- a/drivers/rpmsg/qcom_smd.c
> +++ b/drivers/rpmsg/qcom_smd.c
> @@ -1113,7 +1113,7 @@ 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_ctrldev_register_device(&qsdev->rpdev);
> }
>
> /*
> diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c
> index 6b4d705b2dfd..6749e26b68fc 100644
> --- a/drivers/rpmsg/rpmsg_ctrl.c
> +++ b/drivers/rpmsg/rpmsg_ctrl.c
> @@ -173,7 +173,7 @@ static struct rpmsg_driver rpmsg_ctrldev_driver = {
> .probe = rpmsg_ctrldev_probe,
> .remove = rpmsg_ctrldev_remove,
> .drv = {
> - .name = "rpmsg_chrdev",
> + .name = "rpmsg_ctrl",
> },
> };
>
> diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
> index a76c344253bf..8c500a8f29aa 100644
> --- a/drivers/rpmsg/rpmsg_internal.h
> +++ b/drivers/rpmsg/rpmsg_internal.h
> @@ -82,16 +82,16 @@ 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

rpmsg_ctrldev_register_device()

> * @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_ctrldev_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";
>
> return rpmsg_register_device(rpdev);
> }
> diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
> index 8e49a3bacfc7..e42234a3e2ab 100644
> --- a/drivers/rpmsg/virtio_rpmsg_bus.c
> +++ b/drivers/rpmsg/virtio_rpmsg_bus.c
> @@ -840,7 +840,7 @@ static struct rpmsg_device *rpmsg_virtio_add_ctrl_dev(struct virtio_device *vdev
> rpdev_ctrl->dev.release = virtio_rpmsg_release_device;
> rpdev_ctrl->little_endian = virtio_is_little_endian(vrp->vdev);
>
> - err = rpmsg_chrdev_register_device(rpdev_ctrl);
> + err = rpmsg_ctrldev_register_device(rpdev_ctrl);
> if (err) {
> kfree(vch);
> return ERR_PTR(err);
> --
> 2.17.1
>