From f9dd0194ff23d612e463be764d73da7825da4aa1 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Mon, 14 Jan 2008 21:53:31 +0100 Subject: [PATCH] i2c: Driver IDs are optional Document the fact that I2C driver IDs are optional. Signed-off-by: Jean Delvare --- include/linux/i2c-id.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 88c81403eb..e18017d457 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -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 ----------------------------------------------------- */ -- 2.39.5