diff --git a/drivers/firmware/arm_scmi/pinctrl.c b/drivers/firmware/arm_scmi/pinctrl.c
index a020e23d7c49..42cb1aef1fe1 100644
--- a/drivers/firmware/arm_scmi/pinctrl.c
+++ b/drivers/firmware/arm_scmi/pinctrl.c
@@ -578,6 +578,8 @@ static int scmi_pinctrl_request_free(const struct scmi_protocol_handle *ph,
 	tx->flags = cpu_to_le32(type);
 
 	ret = ph->xops->do_xfer(ph, t);
+	if (ret == -EOPNOTSUPP)
+		ret = 0;
 	ph->xops->xfer_put(ph, t);
 
 	return ret;