struct rpmsg_endpoint *ept;
struct completion comp;
+ struct completion ind_comp;
struct completion shutdown_comp;
struct mutex lock;
}
#define SSCTL_SHUTDOWN_REQ 0x21
+#define SSCTL_SHUTDOWN_READY_IND 0x21
#define SSCTL_SUBSYS_EVENT_REQ 0x23
#define SSCTL_MAX_MSG_LEN 7
{}
};
+static struct qmi_elem_info ssctl_shutdown_ind_ei[] = {
+ {}
+};
+
+static void sysmon_ind_cb(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
+ struct qmi_txn *txn, const void *data)
+{
+ struct qcom_sysmon *sysmon = container_of(qmi, struct qcom_sysmon, qmi);
+
+ complete(&sysmon->ind_comp);
+}
+
+static struct qmi_msg_handler qmi_indication_handler[] = {
+ {
+ .type = QMI_INDICATION,
+ .msg_id = SSCTL_SHUTDOWN_READY_IND,
+ .ei = ssctl_shutdown_ind_ei,
+ .decoded_size = 0,
+ .fn = sysmon_ind_cb
+ },
+ {}
+};
+
/**
* ssctl_request_shutdown() - request shutdown via SSCTL QMI service
* @sysmon: sysmon context
struct qmi_txn txn;
int ret;
+ reinit_completion(&sysmon->ind_comp);
+ reinit_completion(&sysmon->shutdown_comp);
ret = qmi_txn_init(&sysmon->qmi, &txn, ssctl_shutdown_resp_ei, &resp);
if (ret < 0) {
dev_err(sysmon->dev, "failed to allocate QMI txn\n");
dev_err(sysmon->dev, "shutdown request failed\n");
else
dev_dbg(sysmon->dev, "shutdown request completed\n");
+
+ if (sysmon->shutdown_irq > 0) {
+ ret = wait_for_completion_timeout(&sysmon->shutdown_comp,
+ 10 * HZ);
+ if (!ret) {
+ ret = try_wait_for_completion(&sysmon->ind_comp);
+ if (!ret)
+ dev_err(sysmon->dev,
+ "timeout waiting for shutdown ack\n");
+ }
+ }
}
/**
sysmon->ssctl_instance = ssctl_instance;
init_completion(&sysmon->comp);
+ init_completion(&sysmon->ind_comp);
init_completion(&sysmon->shutdown_comp);
mutex_init(&sysmon->lock);
}
}
- ret = qmi_handle_init(&sysmon->qmi, SSCTL_MAX_MSG_LEN, &ssctl_ops, NULL);
+ ret = qmi_handle_init(&sysmon->qmi, SSCTL_MAX_MSG_LEN, &ssctl_ops,
+ qmi_indication_handler);
if (ret < 0) {
dev_err(sysmon->dev, "failed to initialize qmi handle\n");
kfree(sysmon);