mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-16 23:45:31 +08:00
69265bc12b
To prepare the split of the code related to the control (ctrldev) and the endpoint (eptdev) devices in 2 separate files: - Rename and export the functions in rpmsg_char.h. - Suppress the dependency with the rpmsg_ctrldev struct in the rpmsg_eptdev_create function. Suggested-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220124102524.295783-2-arnaud.pouliquen@foss.st.com
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2022, STMicroelectronics
|
|
*/
|
|
|
|
#ifndef __RPMSG_CHRDEV_H__
|
|
#define __RPMSG_CHRDEV_H__
|
|
|
|
#if IS_ENABLED(CONFIG_RPMSG_CHAR)
|
|
/**
|
|
* rpmsg_chrdev_eptdev_create() - register char device based on an endpoint
|
|
* @rpdev: prepared rpdev to be used for creating endpoints
|
|
* @parent: parent device
|
|
* @chinfo: associated endpoint channel information.
|
|
*
|
|
* This function create a new rpmsg char endpoint device to instantiate a new
|
|
* endpoint based on chinfo information.
|
|
*/
|
|
int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent,
|
|
struct rpmsg_channel_info chinfo);
|
|
|
|
/**
|
|
* rpmsg_chrdev_eptdev_destroy() - destroy created char device endpoint.
|
|
* @data: private data associated to the endpoint device
|
|
*
|
|
* This function destroys a rpmsg char endpoint device created by the RPMSG_DESTROY_EPT_IOCTL
|
|
* control.
|
|
*/
|
|
int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data);
|
|
|
|
#else /*IS_ENABLED(CONFIG_RPMSG_CHAR) */
|
|
|
|
static inline int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent,
|
|
struct rpmsg_channel_info chinfo)
|
|
{
|
|
return -ENXIO;
|
|
}
|
|
|
|
static inline int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data)
|
|
{
|
|
return -ENXIO;
|
|
}
|
|
|
|
#endif /*IS_ENABLED(CONFIG_RPMSG_CHAR) */
|
|
|
|
#endif /*__RPMSG_CHRDEV_H__ */
|