[PATCH v1 3/6] firmware: arm_scmi: Use max-rx-timeout-ms from devicetree

[Cristian Marussi]

Override default maximum RX timeout with the value picked from the
devicetree, when provided.

Suggested-by: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Cristian Marussi <cristian.marussi at arm.com>
---
 drivers/firmware/arm_scmi/driver.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 332cd5207bbc..e7dab0eea540 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -2964,6 +2964,7 @@ static int scmi_debugfs_raw_mode_setup(struct scmi_info *info)
 static const struct scmi_desc *scmi_transport_setup(struct device *dev)
 {
 	struct scmi_transport *trans;
+	int ret;
 
 	trans = dev_get_platdata(dev);
 	if (!trans || !trans->desc || !trans->supplier || !trans->core_ops)
@@ -2980,6 +2981,14 @@ static const struct scmi_desc *scmi_transport_setup(struct device *dev)
 
 	dev_info(dev, "Using %s\n", dev_driver_string(trans->supplier));
 
+	ret = of_property_read_u32(dev->of_node, "max-rx-timeout-ms",
+				   &trans->desc->max_rx_timeout_ms);
+	if (ret && ret != -EINVAL)
+		dev_err(dev, "Malformed max-rx-timeout-ms DT property.\n");
+
+	dev_info(dev, "SCMI max-rx-timeout: %dms\n",
+		 trans->desc->max_rx_timeout_ms);
+
 	return trans->desc;
 }
 
-- 
2.45.2