/* 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_PCC extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, int subspace_id); extern void pcc_mbox_free_channel(struct mbox_chan *chan); #else static 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 */