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media: v4l2-dev: use pr_foo() for printing messages

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Instead of using printk() directly, use the pr_foo()
macros.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2018-04-05 06:34:39 -04:00 committed by Mauro Carvalho Chehab
parent fd32d53496
commit baa057e29b
1 changed files with 26 additions and 19 deletions
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45
drivers/media/v4l2-core/v4l2-dev.c
View File

@ -16,6 +16,8 @@
* - Added procfs support
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
@ -34,6 +36,12 @@
#define VIDEO_NUM_DEVICES 256
#define VIDEO_NAME "video4linux"
#define dprintk(fmt, arg...) do { \
printk(KERN_DEBUG pr_fmt("%s: " fmt), \
__func__, ##arg); \
} while (0)
/*
* sysfs stuff
*/
@ -309,7 +317,7 @@ static ssize_t v4l2_read(struct file *filp, char __user *buf,
ret = vdev->fops->read(filp, buf, sz, off);
if ((vdev->dev_debug & V4L2_DEV_DEBUG_FOP) &&
(vdev->dev_debug & V4L2_DEV_DEBUG_STREAMING))
printk(KERN_DEBUG "%s: read: %zd (%d)\n",
dprintk("%s: read: %zd (%d)\n",
video_device_node_name(vdev), sz, ret);
return ret;
}
@ -326,7 +334,7 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf,
ret = vdev->fops->write(filp, buf, sz, off);
if ((vdev->dev_debug & V4L2_DEV_DEBUG_FOP) &&
(vdev->dev_debug & V4L2_DEV_DEBUG_STREAMING))
printk(KERN_DEBUG "%s: write: %zd (%d)\n",
dprintk("%s: write: %zd (%d)\n",
video_device_node_name(vdev), sz, ret);
return ret;
}
@ -341,7 +349,7 @@ static __poll_t v4l2_poll(struct file *filp, struct poll_table_struct *poll)
if (video_is_registered(vdev))
res = vdev->fops->poll(filp, poll);
if (vdev->dev_debug & V4L2_DEV_DEBUG_POLL)
printk(KERN_DEBUG "%s: poll: %08x\n",
dprintk("%s: poll: %08x\n",
video_device_node_name(vdev), res);
return res;
}
@ -382,7 +390,7 @@ static unsigned long v4l2_get_unmapped_area(struct file *filp,
return -ENODEV;
ret = vdev->fops->get_unmapped_area(filp, addr, len, pgoff, flags);
if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: get_unmapped_area (%d)\n",
dprintk("%s: get_unmapped_area (%d)\n",
video_device_node_name(vdev), ret);
return ret;
}
@ -398,7 +406,7 @@ static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm)
if (video_is_registered(vdev))
ret = vdev->fops->mmap(filp, vm);
if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: mmap (%d)\n",
dprintk("%s: mmap (%d)\n",
video_device_node_name(vdev), ret);
return ret;
}
@ -428,7 +436,7 @@ static int v4l2_open(struct inode *inode, struct file *filp)
}
if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: open (%d)\n",
dprintk("%s: open (%d)\n",
video_device_node_name(vdev), ret);
/* decrease the refcount in case of an error */
if (ret)
@ -445,7 +453,7 @@ static int v4l2_release(struct inode *inode, struct file *filp)
if (vdev->fops->release)
ret = vdev->fops->release(filp);
if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: release\n",
dprintk("%s: release\n",
video_device_node_name(vdev));
/* decrease the refcount unconditionally since the release()
@ -786,8 +794,7 @@ static int video_register_media_controller(struct video_device *vdev, int type)
ret = media_device_register_entity(vdev->v4l2_dev->mdev,
&vdev->entity);
if (ret < 0) {
printk(KERN_WARNING
"%s: media_device_register_entity failed\n",
pr_warn("%s: media_device_register_entity failed\n",
__func__);
return ret;
}
@ -869,7 +876,7 @@ int __video_register_device(struct video_device *vdev,
name_base = "v4l-touch";
break;
default:
printk(KERN_ERR "%s called with unknown type: %d\n",
pr_err("%s called with unknown type: %d\n",
__func__, type);
return -EINVAL;
}
@ -918,7 +925,7 @@ int __video_register_device(struct video_device *vdev,
if (nr == minor_cnt)
nr = devnode_find(vdev, 0, minor_cnt);
if (nr == minor_cnt) {
printk(KERN_ERR "could not get a free device node number\n");
pr_err("could not get a free device node number\n");
mutex_unlock(&videodev_lock);
return -ENFILE;
}
@ -933,7 +940,7 @@ int __video_register_device(struct video_device *vdev,
break;
if (i == VIDEO_NUM_DEVICES) {
mutex_unlock(&videodev_lock);
printk(KERN_ERR "could not get a free minor\n");
pr_err("could not get a free minor\n");
return -ENFILE;
}
#endif
@ -943,7 +950,7 @@ int __video_register_device(struct video_device *vdev,
/* Should not happen since we thought this minor was free */
if (WARN_ON(video_device[vdev->minor])) {
mutex_unlock(&videodev_lock);
printk(KERN_ERR "video_device not empty!\n");
pr_err("video_device not empty!\n");
return -ENFILE;
}
devnode_set(vdev);
@ -964,7 +971,7 @@ int __video_register_device(struct video_device *vdev,
vdev->cdev->owner = owner;
ret = cdev_add(vdev->cdev, MKDEV(VIDEO_MAJOR, vdev->minor), 1);
if (ret < 0) {
printk(KERN_ERR "%s: cdev_add failed\n", __func__);
pr_err("%s: cdev_add failed\n", __func__);
kfree(vdev->cdev);
vdev->cdev = NULL;
goto cleanup;
@ -977,7 +984,7 @@ int __video_register_device(struct video_device *vdev,
dev_set_name(&vdev->dev, "%s%d", name_base, vdev->num);
ret = device_register(&vdev->dev);
if (ret < 0) {
printk(KERN_ERR "%s: device_register failed\n", __func__);
pr_err("%s: device_register failed\n", __func__);
goto cleanup;
}
/* Register the release callback that will be called when the last
@ -985,7 +992,7 @@ int __video_register_device(struct video_device *vdev,
vdev->dev.release = v4l2_device_release;
if (nr != -1 && nr != vdev->num && warn_if_nr_in_use)
printk(KERN_WARNING "%s: requested %s%d, got %s\n", __func__,
pr_warn("%s: requested %s%d, got %s\n", __func__,
name_base, nr, video_device_node_name(vdev));
/* Increase v4l2_device refcount */
@ -1043,10 +1050,10 @@ static int __init videodev_init(void)
dev_t dev = MKDEV(VIDEO_MAJOR, 0);
int ret;
printk(KERN_INFO "Linux video capture interface: v2.00\n");
pr_info("Linux video capture interface: v2.00\n");
ret = register_chrdev_region(dev, VIDEO_NUM_DEVICES, VIDEO_NAME);
if (ret < 0) {
printk(KERN_WARNING "videodev: unable to get major %d\n",
pr_warn("videodev: unable to get major %d\n",
VIDEO_MAJOR);
return ret;
}
@ -1054,7 +1061,7 @@ static int __init videodev_init(void)
ret = class_register(&video_class);
if (ret < 0) {
unregister_chrdev_region(dev, VIDEO_NUM_DEVICES);
printk(KERN_WARNING "video_dev: class_register failed\n");
pr_warn("video_dev: class_register failed\n");
return -EIO;
}