linux/drivers/firmware/arm_ffa/common.h
Sudeep Holla 18c250bd7e firmware: arm_ffa: Split bus and driver into distinct modules
Make the FF-A bus on its own as a distinct module initialized at
subsys_initcall level when builtin.

Keep the FF-A driver core stack, together with any configured transport,
in a different module initialized as module_init level.

FF-A drivers initialization is now changed to module_init level.

Acked-by: Sebastian Ene <sebastianene@google.com>
Link: https://lore.kernel.org/r/20240515094028.1947976-2-sudeep.holla@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-05-29 23:23:25 +01:00

30 lines
651 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2021 ARM Ltd.
*/
#ifndef _FFA_COMMON_H
#define _FFA_COMMON_H
#include <linux/arm_ffa.h>
#include <linux/arm-smccc.h>
#include <linux/err.h>
typedef struct arm_smccc_1_2_regs ffa_value_t;
typedef void (ffa_fn)(ffa_value_t, ffa_value_t *);
bool ffa_device_is_valid(struct ffa_device *ffa_dev);
void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid);
#ifdef CONFIG_ARM_FFA_SMCCC
int __init ffa_transport_init(ffa_fn **invoke_ffa_fn);
#else
static inline int __init ffa_transport_init(ffa_fn **invoke_ffa_fn)
{
return -EOPNOTSUPP;
}
#endif
#endif /* _FFA_COMMON_H */