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i2c/writing-clients: Mention module_i2c_driver() 

Based on a previous patch from Peter Meerwald.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Peter Meerwald <p.meerwald@bct-electronic.com>
This commit is contained in:
Jean Delvare 2012-07-24 14:13:57 +02:00 committed by Jean Delvare
parent 2a2f7404a1
commit 9cd3f2e849
1 changed files with 15 additions and 8 deletions
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23
Documentation/i2c/writing-clients
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@ -245,11 +245,26 @@ static int __init foo_init(void)
{
return i2c_add_driver(&foo_driver);
}
module_init(foo_init);
static void __exit foo_cleanup(void)
{
i2c_del_driver(&foo_driver);
}
module_exit(foo_cleanup);
The module_i2c_driver() macro can be used to reduce above code.
module_i2c_driver(foo_driver);
Note that some functions are marked by `__init'. These functions can
be removed after kernel booting (or module loading) is completed.
Likewise, functions marked by `__exit' are dropped by the compiler when
the code is built into the kernel, as they would never be called.
Driver Information
==================
/* Substitute your own name and email address */
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>"
@ -258,14 +273,6 @@ MODULE_DESCRIPTION("Driver for Barf Inc. Foo I2C devices");
/* a few non-GPL license types are also allowed */
MODULE_LICENSE("GPL");
module_init(foo_init);
module_exit(foo_cleanup);
Note that some functions are marked by `__init'. These functions can
be removed after kernel booting (or module loading) is completed.
Likewise, functions marked by `__exit' are dropped by the compiler when
the code is built into the kernel, as they would never be called.
Power Management
================