1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * PCC (Platform Communications Channel) methods
 
 
 
 
 
 4 */
 5
 6#ifndef _PCC_H
 7#define _PCC_H
 8
 9#include <linux/mailbox_controller.h>
10#include <linux/mailbox_client.h>
11
12#define MAX_PCC_SUBSPACES	256
13#ifdef CONFIG_PCC
14extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
15						  int subspace_id);
16extern void pcc_mbox_free_channel(struct mbox_chan *chan);
17#else
18static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
19							 int subspace_id)
20{
21	return ERR_PTR(-ENODEV);
22}
23static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { }
24#endif
25
26#endif /* _PCC_H */

 
 1/*
 2 * PCC (Platform Communications Channel) methods
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public License
 6 * as published by the Free Software Foundation; version 2
 7 * of the License.
 8 */
 9
10#ifndef _PCC_H
11#define _PCC_H
12
13#include <linux/mailbox_controller.h>
14#include <linux/mailbox_client.h>
15
 
16#ifdef CONFIG_PCC
17extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
18						  int subspace_id);
19extern void pcc_mbox_free_channel(struct mbox_chan *chan);
20#else
21static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
22							 int subspace_id)
23{
24	return ERR_PTR(-ENODEV);
25}
26static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { }
27#endif
28
29#endif /* _PCC_H */