提交 0dc9a32d 编写于 作者: G Greg Kroah-Hartman

[PATCH] I2C: remove devfs support from i2c-dev driver

as devfs is gone, this isn't needed anymore.
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 b890a07f
......@@ -26,15 +26,11 @@
/* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */
/* The devfs code is contributed by Philipp Matthias Hahn
<pmhahn@titan.lahn.de> */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
......@@ -431,8 +427,6 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)
if (IS_ERR(i2c_dev))
return PTR_ERR(i2c_dev);
devfs_mk_cdev(MKDEV(I2C_MAJOR, i2c_dev->minor),
S_IFCHR|S_IRUSR|S_IWUSR, "i2c/%d", i2c_dev->minor);
pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
adap->name, i2c_dev->minor);
......@@ -465,7 +459,6 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
return -ENODEV;
init_completion(&i2c_dev->released);
devfs_remove("i2c/%d", i2c_dev->minor);
return_i2c_dev(i2c_dev);
class_device_unregister(&i2c_dev->class_dev);
wait_for_completion(&i2c_dev->released);
......@@ -521,8 +514,6 @@ static int __init i2c_dev_init(void)
if (res)
goto out_unreg_class;
devfs_mk_dir("i2c");
return 0;
out_unreg_class:
......@@ -538,7 +529,6 @@ static void __exit i2c_dev_exit(void)
{
i2c_del_driver(&i2cdev_driver);
class_unregister(&i2c_dev_class);
devfs_remove("i2c");
unregister_chrdev(I2C_MAJOR,"i2c");
}
......
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