* implementation version and (sub-)vendor identification.
* @handle: Instance of SCMI handle to send to clients
* @tx_minfo: Universal Transmit Message management info
+ * @rx_minfo: Universal Receive Message management info
* @tx_idr: IDR object to map protocol id to Tx channel info pointer
* @rx_idr: IDR object to map protocol id to Rx channel info pointer
* @protocols_imp: List of protocols implemented, currently maximum of
struct scmi_revision_info version;
struct scmi_handle handle;
struct scmi_xfers_info tx_minfo;
+ struct scmi_xfers_info rx_minfo;
struct idr tx_idr;
struct idr rx_idr;
u8 *protocols_imp;
return 0;
}
-static int scmi_xfer_info_init(struct scmi_info *sinfo)
+static int __scmi_xfer_info_init(struct scmi_info *sinfo,
+ struct scmi_xfers_info *info)
{
int i;
struct scmi_xfer *xfer;
struct device *dev = sinfo->dev;
const struct scmi_desc *desc = sinfo->desc;
- struct scmi_xfers_info *info = &sinfo->tx_minfo;
/* Pre-allocated messages, no more than what hdr.seq can support */
if (WARN_ON(desc->max_msg >= MSG_TOKEN_MAX)) {
return 0;
}
+static int scmi_xfer_info_init(struct scmi_info *sinfo)
+{
+ int ret = __scmi_xfer_info_init(sinfo, &sinfo->tx_minfo);
+
+ if (!ret && idr_find(&sinfo->rx_idr, SCMI_PROTOCOL_BASE))
+ ret = __scmi_xfer_info_init(sinfo, &sinfo->rx_minfo);
+
+ return ret;
+}
+
static int scmi_chan_setup(struct scmi_info *info, struct device *dev,
int prot_id, bool tx)
{
info->desc = desc;
INIT_LIST_HEAD(&info->node);
- ret = scmi_xfer_info_init(info);
- if (ret)
- return ret;
-
platform_set_drvdata(pdev, info);
idr_init(&info->tx_idr);
idr_init(&info->rx_idr);
if (ret)
return ret;
+ ret = scmi_xfer_info_init(info);
+ if (ret)
+ return ret;
+
ret = scmi_base_protocol_init(handle);
if (ret) {
dev_err(dev, "unable to communicate with SCMI(%d)\n", ret);