diff options
Diffstat (limited to 'drivers/firewire/core.h')
| -rw-r--r-- | drivers/firewire/core.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h index 78c99f1d27fa..eafa4eaae737 100644 --- a/drivers/firewire/core.h +++ b/drivers/firewire/core.h @@ -257,4 +257,10 @@ static inline bool is_ping_packet(u32 *data) return (data[0] & 0xc0ffffff) == 0 && ~data[0] == data[1]; } +static inline bool is_in_fcp_region(u64 offset, size_t length) +{ + return offset >= (CSR_REGISTER_BASE | CSR_FCP_COMMAND) && + offset + length <= (CSR_REGISTER_BASE | CSR_FCP_END); +} + #endif /* _FIREWIRE_CORE_H */ |