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| author |   Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-07-13 15:51:31 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-07-13 15:51:31 -0400 |
| commit | d5bfbad214369f543958a1c6c55fa805e3f14976 (patch) | |
| tree | 259bcb334acf9607d590721a5a5d3727b3dda769 /drivers/firmware/arm_ffa/common.h | |
| parent | drm/i915/display/xelpd: Extend Wa_14011508470 (diff) | |
| parent | Linux 5.14-rc1 (diff) | |
| download | linux-dev-d5bfbad214369f543958a1c6c55fa805e3f14976.tar.xz linux-dev-d5bfbad214369f543958a1c6c55fa805e3f14976.zip | |
Merge drm/drm-next into drm-intel-next
Catching up with 5.14-rc1
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/firmware/arm_ffa/common.h')
| -rw-r--r-- | drivers/firmware/arm_ffa/common.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/firmware/arm_ffa/common.h b/drivers/firmware/arm_ffa/common.h new file mode 100644 index 000000000000..d6eccf1fd3f6 --- /dev/null +++ b/drivers/firmware/arm_ffa/common.h @@ -0,0 +1,31 @@ +/* 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 *); + +int arm_ffa_bus_init(void); +void arm_ffa_bus_exit(void); +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 */ |