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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-03-13 09:15:56 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-03-28 08:45:11 +0100 |
| commit | 57eb30b265e1879b0cf3b0507066fb3b67a4195b (patch) | |
| tree | 3360dd3cb9c6ecbd56819c022cf86f42a463d96c | |
| parent | c9b67dc0f3b3d1127674c30cfbae52b4166d71d6 (diff) | |
| download | barebox-57eb30b265e1879b0cf3b0507066fb3b67a4195b.tar.gz barebox-57eb30b265e1879b0cf3b0507066fb3b67a4195b.tar.xz | |
i2c: implement of_find_i2c_adapter_by_node
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/i2c/i2c.c | 11 | ||||
| -rw-r--r-- | include/i2c/i2c.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/i2c.c b/drivers/i2c/i2c.c index e289a3569b..9873957015 100644 --- a/drivers/i2c/i2c.c +++ b/drivers/i2c/i2c.c @@ -405,6 +405,17 @@ struct i2c_adapter *i2c_get_adapter(int busnum) return NULL; } +struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) +{ + struct i2c_adapter *adap; + + list_for_each_entry(adap, &adapter_list, list) + if (adap->dev.device_node == node) + return adap; + + return NULL; +} + /** * i2c_add_numbered_adapter - declare i2c adapter, use static bus number * @adapter: the adapter to register (with adap->nr initialized) diff --git a/include/i2c/i2c.h b/include/i2c/i2c.h index 81e5daa200..f89fefbb27 100644 --- a/include/i2c/i2c.h +++ b/include/i2c/i2c.h @@ -133,6 +133,7 @@ static inline int i2c_register_board_info(int busnum, #endif extern int i2c_add_numbered_adapter(struct i2c_adapter *adapter); struct i2c_adapter *i2c_get_adapter(int busnum); +struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node); /* For devices that use several addresses, use i2c_new_dummy() to make * client handles for the extra addresses. |