diff options
Diffstat (limited to 'drivers/of/of_i2c.c')
| -rw-r--r-- | drivers/of/of_i2c.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c index 068488717f6..1e173f35767 100644 --- a/drivers/of/of_i2c.c +++ b/drivers/of/of_i2c.c @@ -94,4 +94,18 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) } EXPORT_SYMBOL(of_find_i2c_device_by_node); +/* must call put_device() when done with returned i2c_adapter device */ +struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) +{ + struct device *dev; + + dev = bus_find_device(&i2c_bus_type, NULL, node, + of_dev_node_match); + if (!dev) + return NULL; + + return i2c_verify_adapter(dev); +} +EXPORT_SYMBOL(of_find_i2c_adapter_by_node); + MODULE_LICENSE("GPL"); |