Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2022 Rockchip Electronics Co., Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef __SOC_ROCKCHIP_MAILBOX_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define __SOC_ROCKCHIP_MAILBOX_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct mbox_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct rockchip_mbox_msg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	u32 cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	u32 data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #if IS_REACHABLE(CONFIG_ROCKCHIP_MBOX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int rockchip_mbox_read_msg(struct mbox_chan *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 			   struct rockchip_mbox_msg *msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static inline int rockchip_mbox_read_msg(struct mbox_chan *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 					 struct rockchip_mbox_msg *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #endif /* __SOC_ROCKCHIP_MAILBOX_H__ */