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| author | Sudeep Holla <sudeep.holla@arm.com> | 2021-05-21 16:10:31 +0100 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2021-05-26 22:36:46 +0100 |
| commit | 714be77e976a4b013b935b3223b2ef68856084d0 (patch) | |
| tree | dcfb7f96f004a372444039df7b9f2c9dc789892b /drivers/firmware/arm_ffa/common.h | |
| parent | 3bbfe9871005f38df2955b2e125933edf1d2feef (diff) | |
| download | linux-714be77e976a4b013b935b3223b2ef68856084d0.tar.gz linux-714be77e976a4b013b935b3223b2ef68856084d0.tar.bz2 linux-714be77e976a4b013b935b3223b2ef68856084d0.zip | |
firmware: arm_ffa: Add support for SMCCC as transport to FFA driver
There are requests to keep the transport separate in order to allow
other possible transports like virtio. So let us keep the SMCCC transport
specific routines abstracted.
It is kept simple for now. Once we add another transport, we can develop
better abstraction.
Link: https://lore.kernel.org/r/20210521151033.181846-4-sudeep.holla@arm.com
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_ffa/common.h')
| -rw-r--r-- | drivers/firmware/arm_ffa/common.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firmware/arm_ffa/common.h b/drivers/firmware/arm_ffa/common.h index 2d3a32f67d5d..f24754a59f47 100644 --- a/drivers/firmware/arm_ffa/common.h +++ b/drivers/firmware/arm_ffa/common.h @@ -16,9 +16,13 @@ typedef void (ffa_fn)(ffa_value_t, ffa_value_t *); int arm_ffa_bus_init(void); void arm_ffa_bus_exit(void); +#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 */ |