[PATCH] i2c: update i2c_driver.command documentation

Document i2c_driver.command as being deprecated, and don't suggest an
empty implementation of this callback as it doesn't make any sense.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare 2005-12-18 16:51:55 +01:00 committed by Greg Kroah-Hartman
parent d564baee29
commit fb687d73fa

View File

@ -492,17 +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 by `__init_data'. Hose functions and structures can be removed after
kernel booting (or module loading) is completed. kernel booting (or module loading) is completed.
Command function Command function
================ ================
A generic ioctl-like function call back is supported. You will seldom A generic ioctl-like function call back is supported. You will seldom
need this. You may even set it to NULL. need this, and its use is deprecated anyway, so newer design should not
use it. Set it to NULL.
/* No commands defined */
int foo_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
return 0;
}
Sending and receiving Sending and receiving