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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 15:25:08 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 15:25:08 -0800 |
commit | 0feb9bfcfa3f9bf67a4a1e3f2608700ad73f92ed (patch) | |
tree | 22c71657387b42787bc070502899a881ed909f39 /Documentation/i2c/writing-clients | |
parent | d8d8f6a4fd635dcc9e4f946394c1fbde85eeab66 (diff) | |
parent | ccf18968b1bbc2fb117190a1984ac2a826dac228 (diff) | |
download | lwn-0feb9bfcfa3f9bf67a4a1e3f2608700ad73f92ed.tar.gz lwn-0feb9bfcfa3f9bf67a4a1e3f2608700ad73f92ed.zip |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6
Diffstat (limited to 'Documentation/i2c/writing-clients')
-rw-r--r-- | Documentation/i2c/writing-clients | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index d19993cc0604..3a057c8e5507 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -25,9 +25,9 @@ routines, a client structure specific information like the actual I2C address. static struct i2c_driver foo_driver = { - .owner = THIS_MODULE, - .name = "Foo version 2.3 driver", - .flags = I2C_DF_NOTIFY, + .driver = { + .name = "foo", + }, .attach_adapter = &foo_attach_adapter, .detach_client = &foo_detach_client, .command = &foo_command /* may be NULL */ @@ -36,10 +36,6 @@ static struct i2c_driver foo_driver = { The name field must match the driver name, including the case. It must not contain spaces, and may be up to 31 characters long. -Don't worry about the flags field; just put I2C_DF_NOTIFY into it. This -means that your driver will be notified when new adapters are found. -This is almost always what you want. - All other fields are for call-back functions which will be explained below. @@ -496,17 +492,13 @@ Note that some functions are marked by `__init', and some data structures by `__init_data'. Hose functions and structures can be removed after kernel booting (or module loading) is completed. + Command function ================ A generic ioctl-like function call back is supported. You will seldom -need this. You may even set it to NULL. - - /* No commands defined */ - int foo_command(struct i2c_client *client, unsigned int cmd, void *arg) - { - return 0; - } +need this, and its use is deprecated anyway, so newer design should not +use it. Set it to NULL. Sending and receiving |