i2c: Export the i2c_bus_type symbol

Export the root of the i2c bus so that PowerPC device tree code can iterate over devices on the i2c bus. Signed-off-by: Jon Smirl <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
mna · Jul 14, 2008 · e9ca9eb · e9ca9eb
1 parent f09f71b
commit e9ca9eb
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diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
@@ -201,7 +201,7 @@ static struct device_attribute i2c_dev_attrs[] = {
 	{ },
 };
 
-static struct bus_type i2c_bus_type = {
+struct bus_type i2c_bus_type = {
 	.name		= "i2c",
 	.dev_attrs	= i2c_dev_attrs,
 	.match		= i2c_device_match,
@@ -212,6 +212,7 @@ static struct bus_type i2c_bus_type = {
 	.suspend	= i2c_device_suspend,
 	.resume		= i2c_device_resume,
 };
+EXPORT_SYMBOL_GPL(i2c_bus_type);
 
 
 /**

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
@@ -35,6 +35,8 @@
 #include <linux/sched.h>	/* for completion */
 #include <linux/mutex.h>
 
+extern struct bus_type i2c_bus_type;
+
 /* --- General options ------------------------------------------------	*/
 
 struct i2c_msg;