/* SPDX-License-Identifier: GPL-2.0-only *//* * PCC (Platform Communications Channel) methods */ #ifndef _PCC_H#define _PCC_H #include <linux/mailbox_controller.h>#include <linux/mailbox_client.h> #define MAX_PCC_SUBSPACES	256#ifdef CONFIG_PCCextern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,						  int subspace_id);extern void pcc_mbox_free_channel(struct mbox_chan *chan);#elsestatic inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,							 int subspace_id){	return ERR_PTR(-ENODEV);}static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { }#endif #endif /* _PCC_H */