diff options
Diffstat (limited to 'drivers/platform/surface/aggregator/ssh_request_layer.c')
| -rw-r--r-- | drivers/platform/surface/aggregator/ssh_request_layer.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c index f5565570f16c..90634dcacabf 100644 --- a/drivers/platform/surface/aggregator/ssh_request_layer.c +++ b/drivers/platform/surface/aggregator/ssh_request_layer.c @@ -916,6 +916,21 @@ static void ssh_rtl_rx_command(struct ssh_ptl *p, const struct ssam_span *data) if (sshp_parse_command(dev, data, &command, &command_data)) return; + /* + * Check if the message was intended for us. If not, drop it. + * + * Note: We will need to change this to handle debug messages. On newer + * generation devices, these seem to be sent to SSAM_SSH_TID_DEBUG. We + * as host can still receive them as they can be forwarded via an + * override option on SAM, but doing so does not change the target ID + * to SSAM_SSH_TID_HOST. + */ + if (command->tid != SSAM_SSH_TID_HOST) { + rtl_warn(rtl, "rtl: dropping message not intended for us (tid = %#04x)\n", + command->tid); + return; + } + if (ssh_rqid_is_event(get_unaligned_le16(&command->rqid))) ssh_rtl_rx_event(rtl, command, &command_data); else |