diff options
Diffstat (limited to 'drivers/staging/greybus/greybus_protocols.h')
| -rw-r--r-- | drivers/staging/greybus/greybus_protocols.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h index cd64ac84dad2..6b192924a566 100644 --- a/drivers/staging/greybus/greybus_protocols.h +++ b/drivers/staging/greybus/greybus_protocols.h @@ -1053,8 +1053,14 @@ struct gb_uart_serial_state_request { #define GB_LOOPBACK_TYPE_TRANSFER 0x03 #define GB_LOOPBACK_TYPE_SINK 0x04 +/* + * Loopback request/response header format should be identical + * to simplify bandwidth and data movement analysis. + */ struct gb_loopback_transfer_request { __le32 len; + __le32 reserved0; + __le32 reserved1; __u8 data[0]; } __packed; |