plat-k3: drivers: Add some trace message for TI-SCI calls

These could be good for debugging tracing of TI-SCI messages Acked-by: Etienne Carriere <[email protected]> Signed-off-by: Manorit Chawdhry <[email protected]>
OP-TEE · Dec 12, 2024 · 7f0d864 · 7f0d864
1 parent 9041267
commit 7f0d864
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/core/arch/arm/plat-k3/drivers/ti_sci.c b/core/arch/arm/plat-k3/drivers/ti_sci.c
@@ -109,6 +109,9 @@ static int ti_sci_do_xfer(struct ti_sci_xfer *xfer)
 		goto unlock;
 	}
 
+	FMSG("Sending %"PRIx16" with seq %"PRIu8" host %"PRIu8,
+	     txhdr->type, txhdr->seq, txhdr->host);
+
 	/* Get the response */
 	for (; retry > 0; retry--) {
 		/* Receive the response */
@@ -134,8 +137,12 @@ static int ti_sci_do_xfer(struct ti_sci_xfer *xfer)
 	if (!(rxhdr->flags & TI_SCI_FLAG_RESP_GENERIC_ACK)) {
 		DMSG("Message not acknowledged");
 		ret = TEE_ERROR_ACCESS_DENIED;
+		goto unlock;
 	}
 
+	FMSG("Receive %"PRIx16" with seq %"PRIu8" host %"PRIu8,
+	     rxhdr->type, rxhdr->seq, rxhdr->host);
+
 unlock:
 	mutex_unlock(&ti_sci_mutex_lock);
 	return ret;