Decrease log verbosity in the kernel modules

Changed several logs level from info to dbg and removed redundant or
uninformative logging in order to reduce verbosity of the kernel
modules.

Change-Id: Ie9ff7f3ae6478007ea58547380b3ddfef5d280b4
Signed-off-by: Ledion Daja <ledion.daja@arm.com>
diff --git a/kernel/ethosu_network.c b/kernel/ethosu_network.c
index dc641c5..94354ed 100644
--- a/kernel/ethosu_network.c
+++ b/kernel/ethosu_network.c
@@ -1,5 +1,6 @@
 /*
- * Copyright 2020,2022-2023 Arm Limited and/or its affiliates
+ * SPDX-FileCopyrightText: Copyright 2020,2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ * SPDX-License-Identifier: GPL-2.0-only
  *
  * This program is free software and is provided to you under the terms of the
  * GNU General Public License version 2 as published by the Free Software
@@ -15,7 +16,6 @@
  * along with this program; if not, you can access it online at
  * http://www.gnu.org/licenses/gpl-2.0.html.
  *
- * SPDX-License-Identifier: GPL-2.0-only
  */
 
 /****************************************************************************
@@ -69,7 +69,7 @@
 		container_of(kref, struct ethosu_network, kref);
 	struct device *dev = net->dev;
 
-	dev_info(dev, "Network destroy. net=0x%pK\n", net);
+	dev_dbg(dev, "Network destroy. net=0x%pK\n", net);
 
 	if (net->buf != NULL)
 		ethosu_buffer_put(net->buf);
@@ -84,8 +84,8 @@
 	struct ethosu_network *net = file->private_data;
 	struct device *dev = net->dev;
 
-	dev_info(dev, "Network release. file=0x%pK, net=0x%pK\n",
-		 file, net);
+	dev_dbg(dev, "Network release. file=0x%pK, net=0x%pK\n",
+		file, net);
 
 	ethosu_network_put(net);
 
@@ -105,15 +105,11 @@
 	if (ret)
 		return ret;
 
-	dev_info(dev,
-		 "Network ioctl: file=0x%pK, net=0x%pK, cmd=0x%x, arg=0x%lx\n",
-		 file, net, cmd, arg);
-
 	switch (cmd) {
 	case ETHOSU_IOCTL_NETWORK_INFO: {
 		struct ethosu_uapi_network_info uapi = { 0 };
 
-		dev_info(dev, "Network ioctl: Network info. net=0x%pK\n", net);
+		dev_dbg(dev, "Network ioctl: Network info. net=0x%pK\n", net);
 
 		ret = ethosu_network_info_request(dev, net->mailbox, net,
 						  &uapi);
@@ -131,9 +127,9 @@
 			break;
 		}
 
-		dev_info(dev,
-			 "Network ioctl: Inference. ifm_fd=%u, ofm_fd=%u\n",
-			 uapi.ifm_fd[0], uapi.ofm_fd[0]);
+		dev_dbg(dev,
+			"Network ioctl: Inference. ifm_fd=%u, ofm_fd=%u\n",
+			uapi.ifm_fd[0], uapi.ofm_fd[0]);
 
 		ret = ethosu_inference_create(dev, net->mailbox, net, &uapi);
 		break;
@@ -185,9 +181,9 @@
 	net->file = fget(ret);
 	fput(net->file);
 
-	dev_info(dev,
-		 "Network create. file=0x%pK, fd=%d, net=0x%pK, buf=0x%pK, index=%u",
-		 net->file, ret, net, net->buf, net->index);
+	dev_dbg(dev,
+		"Network create. file=0x%pK, fd=%d, net=0x%pK, buf=0x%pK, index=%u",
+		net->file, ret, net, net->buf, net->index);
 
 	return ret;