dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

i2c: Make i2c_register_board_info() a NOP when CONFIG_I2C_BOARDINFO=n 

Don't require platform code to be #ifdeffed according to whether
I2C is enabled or not ... if it's not enabled, let GCC compile out
all I2C device declarations.  (Issue noted on an NSLU2 build that
didn't configure I2C.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
David Brownell 2008-02-24 20:03:42 +01:00 committed by Jean Delvare
parent 104cb574fe
commit 263867631e
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
include/linux/i2c.h
View File

@ -271,9 +271,16 @@ extern void i2c_unregister_device(struct i2c_client *);
* This is done at arch_initcall time, before declaring any i2c adapters.
* Modules for add-on boards must use other calls.
*/
#ifdef CONFIG_I2C_BOARDINFO
extern int
i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n);
#else
static inline int
i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n)
{
return 0;
}
#endif
/*
* The following structs are for those who like to implement new bus drivers: