[PATCH] I2C: inline i2c_adapter_id
We could inline i2c_adapter_id, as it is really, really short. Doing
so saves a few bytes both in i2c-core and in the drivers using this
function.
before after diff
drivers/hwmon/adm1026.ko 41344 41305 -39
drivers/hwmon/asb100.ko 27325 27246 -79
drivers/hwmon/gl518sm.ko 20824 20785 -39
drivers/hwmon/it87.ko 26419 26380 -39
drivers/hwmon/lm78.ko 21424 21385 -39
drivers/hwmon/lm85.ko 41034 40939 -95
drivers/hwmon/w83781d.ko 39561 39514 -47
drivers/hwmon/w83792d.ko 32979 32932 -47
drivers/i2c/i2c-core.ko 24708 24531 -177
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index da4faa0..ad1c0fb 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -364,10 +364,6 @@
*/
extern int i2c_control(struct i2c_client *,unsigned int, unsigned long);
-/* This call returns a unique low identifier for each registered adapter,
- * or -1 if the adapter was not registered.
- */
-extern int i2c_adapter_id(struct i2c_adapter *adap);
extern struct i2c_adapter* i2c_get_adapter(int id);
extern void i2c_put_adapter(struct i2c_adapter *adap);
@@ -384,6 +380,12 @@
return (func & i2c_get_functionality(adap)) == func;
}
+/* Return id number for a specific adapter */
+static inline int i2c_adapter_id(struct i2c_adapter *adap)
+{
+ return adap->nr;
+}
+
/*
* I2C Message - used for pure i2c transaction, also from /dev interface
*/