[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 at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
commit fb687d73fa7685ffeed1a6b24fadb5f4db817783
tree 2e45a80aca89daa28ba27092175d860252a905f8
parent d564baee2984098c73fd0e55bc5c8a890878ef3b
author Jean Delvare <khali at linux-fr.org> Sun, 18 Dec 2005 16:51:55 +0100
committer Greg Kroah-Hartman <gregkh at suse.de> Thu, 05 Jan 2006 22:16:26 -0800
Documentation/i2c/writing-clients | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index 27c425a..3a057c8 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -492,17 +492,13 @@ Note that some functions are marked by `
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
