diff options
| author | Axel Haslam <ahaslam@baylibre.com> | 2016-02-10 14:19:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-02-16 19:24:23 -0800 |
| commit | b59281ac077414d879e66798f8e44eb976967814 (patch) | |
| tree | 06045af06a7cfe88b6f1d719311ce16e7016b2a5 /drivers/staging/greybus/greybus_protocols.h | |
| parent | ee97e24ac63510c5836ac71ce88c9f61e265ee84 (diff) | |
greybus: loopback: Add reserved fields to transfer request
All loopback transfer operations should have an identical header
format in order to facilitate bandwidth and data movement analysis.
Suggested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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; |