On Thu, Jun 27, 2024 at 04:53:07PM -0700, Daisuke Nojiri wrote: > Consolidate struct ec_response_get_next_event_v*. > > Let X->Y indicate kernel X sending EC_CMD_GET_NEXT_EVENT to FW Y. > > Old->New: > Existing kernels send a smaller container (e.g. > ec_response_get_next_data) which may or may not fit the last few > bytes. The FW copies as many bytes as possible to the container. The > kernel processes as many leading bytes as it can understand. > > New->Old: > New kernels send a bigger container. Existing FW copies as many bytes > as it wants, leaving the last few bytes empty. The kernel knows it > didn't receive full size data from the returned data length. > > Signed-off-by: Daisuke Nojiri <dnojiri@xxxxxxxxxxxx> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Thanks. -- Dmitry
