diff --git a/CHANGELOG.md b/CHANGELOG.md
index c93bf94..87626ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 ### Changed
 
 1. pdr: Allow record_handle to be NULL for pldm_pdr_add_check()
+2. transport: pldm_transport_poll(): Adjust return value semantics
 
 ### Deprecated
 
diff --git a/include/libpldm/transport.h b/include/libpldm/transport.h
index 7127335..bea0436 100644
--- a/include/libpldm/transport.h
+++ b/include/libpldm/transport.h
@@ -23,10 +23,10 @@
  *            Specifying a timeout value of zero yields an immediate return.
  *            Specifying a negative value means an indefinite timeout.
  *
- * @return pldm_requester_rc_t (errno may be set)
+ * @return 0 if a timeout occurs, 1 if the transport becomes ready, PLDM_REQUESTER_INVALID_SETUP if
+ * 	   transport is NULL, or PLDM_REQUESTER_POLL_FAIL on failure.
  */
-pldm_requester_rc_t pldm_transport_poll(struct pldm_transport *transport,
-					int timeout);
+int pldm_transport_poll(struct pldm_transport *transport, int timeout);
 
 /**
  * @brief Asynchronously send a PLDM message. Control is immediately returned to
diff --git a/src/transport/transport.c b/src/transport/transport.c
index dd9a4bd..919cc61 100644
--- a/src/transport/transport.c
+++ b/src/transport/transport.c
@@ -30,16 +30,17 @@
 #endif
 
 LIBPLDM_ABI_TESTING
-pldm_requester_rc_t pldm_transport_poll(struct pldm_transport *transport,
-					int timeout)
+int pldm_transport_poll(struct pldm_transport *transport, int timeout)
 {
 	struct pollfd pollfd;
 	int rc = 0;
 	if (!transport) {
 		return PLDM_REQUESTER_INVALID_SETUP;
 	}
+
+	/* If polling isn't supported then always indicate the transport is ready */
 	if (!transport->init_pollfd) {
-		return PLDM_REQUESTER_SUCCESS;
+		return 1;
 	}
 
 	rc = transport->init_pollfd(transport, &pollfd);
@@ -52,7 +53,8 @@
 		return PLDM_REQUESTER_POLL_FAIL;
 	}
 
-	return PLDM_REQUESTER_SUCCESS;
+	/* rc is 0 if poll(2) times out, or 1 if pollfd becomes active. */
+	return rc;
 }
 
 LIBPLDM_ABI_TESTING
@@ -185,10 +187,10 @@
 	do {
 		timersub(&end, &now, &remaining);
 		/* 0 <= `timeval_to_msec()` <= 4800, and 4800 < INT_MAX */
-		rc = pldm_transport_poll(transport,
-					 (int)(timeval_to_msec(&remaining)));
-		if (rc != PLDM_REQUESTER_SUCCESS) {
-			return rc;
+		ret = pldm_transport_poll(transport,
+					  (int)(timeval_to_msec(&remaining)));
+		if (ret <= 0) {
+			break;
 		}
 
 		rc = pldm_transport_recv_msg(transport, tid, pldm_resp_msg,