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>

1 files changed, 17 insertions, 21 deletions

diff --git a/kernel/ethosu_buffer.c b/kernel/ethosu_buffer.c
index 7a49b39..07c8033 100644
--- a/kernel/ethosu_buffer.c
+++ b/kernel/ethosu_buffer.c
@@ -1,5 +1,6 @@
 /*
- * Copyright 2020-2023 Arm Limited and/or its affiliates
+ * SPDX-FileCopyrightText: Copyright 2020-2023 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
  */
 
 /****************************************************************************
@@ -73,7 +73,7 @@ static void ethosu_buffer_destroy(struct kref *kref)
 		container_of(kref, struct ethosu_buffer, kref);
 	struct device *dev = buf->dev;
 
-	dev_info(dev, "Buffer destroy. buf=0x%pK", buf);
+	dev_dbg(dev, "Buffer destroy. buf=0x%pK", buf);
 
 	memset(buf->cpu_addr, 0, buf->capacity);
 	dma_free_coherent(dev, buf->capacity, buf->cpu_addr,
@@ -89,8 +89,8 @@ static int ethosu_buffer_release(struct inode *inode,
 	struct ethosu_buffer *buf = file->private_data;
 	struct device *dev = buf->dev;
 
-	dev_info(dev, "Buffer release. file=0x%pK, buf=0x%pK\n",
-		 file, buf);
+	dev_dbg(dev, "Buffer release. file=0x%pK, buf=0x%pK\n",
+		file, buf);
 
 	ethosu_buffer_put(buf);
 
@@ -104,8 +104,8 @@ static int ethosu_buffer_mmap(struct file *file,
 	struct device *dev = buf->dev;
 	int ret;
 
-	dev_info(dev, "Buffer mmap. file=0x%pK, buf=0x%pK\n",
-		 file, buf);
+	dev_dbg(dev, "Buffer mmap. file=0x%pK, buf=0x%pK\n",
+		file, buf);
 
 	ret = dma_mmap_coherent(dev, vma, buf->cpu_addr,
 				buf->dma_addr, buf->capacity);
@@ -126,10 +126,6 @@ static long ethosu_buffer_ioctl(struct file *file,
 	if (ret)
 		return ret;
 
-	dev_info(dev,
-		 "Buffer ioctl. file=0x%pK, buf=0x%pK, cmd=0x%x, arg=%lu\n",
-		 file, buf, cmd, arg);
-
 	switch (cmd) {
 	case ETHOSU_IOCTL_BUFFER_SET: {
 		struct ethosu_uapi_buffer uapi;
@@ -139,9 +135,9 @@ static long ethosu_buffer_ioctl(struct file *file,
 			break;
 		}
 
-		dev_info(dev,
-			 "Buffer ioctl: Buffer set. size=%u, offset=%u\n",
-			 uapi.size, uapi.offset);
+		dev_dbg(dev,
+			"Buffer ioctl: Buffer set. size=%u, offset=%u\n",
+			uapi.size, uapi.offset);
 
 		ret = ethosu_buffer_resize(buf, uapi.size, uapi.offset);
 		break;
@@ -152,9 +148,9 @@ static long ethosu_buffer_ioctl(struct file *file,
 		uapi.size = buf->size;
 		uapi.offset = buf->offset;
 
-		dev_info(dev,
-			 "Buffer ioctl: Buffer get. size=%u, offset=%u\n",
-			 uapi.size, uapi.offset);
+		dev_dbg(dev,
+			"Buffer ioctl: Buffer get. size=%u, offset=%u\n",
+			uapi.size, uapi.offset);
 
 		if (copy_to_user(udata, &uapi, sizeof(uapi))) {
 			ret = -EFAULT;
@@ -209,10 +205,10 @@ int ethosu_buffer_create(struct device *dev,
 	buf->file = fget(ret);
 	fput(buf->file);
 
-	dev_info(dev,
-		 "Buffer create. file=0x%pK, fd=%d, buf=0x%pK, capacity=%zu, cpu_addr=0x%pK, dma_addr=0x%llx, phys_addr=0x%llx\n",
-		 buf->file, ret, buf, capacity, buf->cpu_addr, buf->dma_addr,
-		 virt_to_phys(buf->cpu_addr));
+	dev_dbg(dev,
+		"Buffer create. file=0x%pK, fd=%d, buf=0x%pK, capacity=%zu, cpu_addr=0x%pK, dma_addr=0x%llx, phys_addr=0x%llx\n",
+		buf->file, ret, buf, capacity, buf->cpu_addr, buf->dma_addr,
+		virt_to_phys(buf->cpu_addr));
 
 	return ret;