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Commit fb687d73 authored by Jean Delvare's avatar Jean Delvare Committed by Greg Kroah-Hartman
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[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: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d564baee

Documentation/i2c/writing-clients

+3 −7
Original line number Diff line number Diff line
@@ -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

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.





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