i2c: dev: Define pr_fmt() and drop duplication substrings

Define pr_fmt() to print module name as prefix and at the same time
drop duplication substrings in the messages.

While at it, convert printk(<LEVEL>) to pr_<level>().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-07-12 17:23:22 +03:00 committed by Wolfram Sang
parent 85888376a8
commit 295e0e7be7

View File

@ -14,6 +14,8 @@
/* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/cdev.h>
#include <linux/compat.h>
#include <linux/device.h>
@ -68,8 +70,7 @@ static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)
struct i2c_dev *i2c_dev;
if (adap->nr >= I2C_MINORS) {
printk(KERN_ERR "i2c-dev: Out of device minors (%d)\n",
adap->nr);
pr_err("Out of device minors (%d)\n", adap->nr);
return ERR_PTR(-ENODEV);
}
@ -145,8 +146,7 @@ static ssize_t i2cdev_read(struct file *file, char __user *buf, size_t count,
if (tmp == NULL)
return -ENOMEM;
pr_debug("i2c-dev: i2c-%d reading %zu bytes.\n",
iminor(file_inode(file)), count);
pr_debug("i2c-%d reading %zu bytes.\n", iminor(file_inode(file)), count);
ret = i2c_master_recv(client, tmp, count);
if (ret >= 0)
@ -169,8 +169,7 @@ static ssize_t i2cdev_write(struct file *file, const char __user *buf,
if (IS_ERR(tmp))
return PTR_ERR(tmp);
pr_debug("i2c-dev: i2c-%d writing %zu bytes.\n",
iminor(file_inode(file)), count);
pr_debug("i2c-%d writing %zu bytes.\n", iminor(file_inode(file)), count);
ret = i2c_master_send(client, tmp, count);
kfree(tmp);
@ -673,8 +672,7 @@ static int i2cdev_attach_adapter(struct device *dev, void *dummy)
return res;
}
pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
adap->name, adap->nr);
pr_debug("adapter [%s] registered as minor %d\n", adap->name, adap->nr);
return 0;
}
@ -693,7 +691,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
put_i2c_dev(i2c_dev, true);
pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
pr_debug("adapter [%s] unregistered\n", adap->name);
return 0;
}
@ -726,7 +724,7 @@ static int __init i2c_dev_init(void)
{
int res;
printk(KERN_INFO "i2c /dev entries driver\n");
pr_info("i2c /dev entries driver\n");
res = register_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS, "i2c");
if (res)
@ -754,7 +752,7 @@ out_unreg_class:
out_unreg_chrdev:
unregister_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS);
out:
printk(KERN_ERR "%s: Driver Initialisation failed\n", __FILE__);
pr_err("Driver Initialisation failed\n");
return res;
}