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i2c: Driver IDs are optional

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Document the fact that I2C driver IDs are optional.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2008-01-14 21:53:31 +01:00 committed by Jean Delvare
parent 96acafe05f
commit f9dd0194ff
1 changed files with 4 additions and 0 deletions
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4
include/linux/i2c-id.h
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@ -23,6 +23,10 @@
#ifndef LINUX_I2C_ID_H
#define LINUX_I2C_ID_H
/* Please note that I2C driver IDs are optional. They are only needed if a
legacy chip driver needs to identify a bus or a bus driver needs to
identify a legacy client. If you don't need them, just don't set them. */
/*
* ---- Driver types -----------------------------------------------------
*/