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i2c: Add nop fwnode operations

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Add nop variants of i2c_find_device_by_fwnode(),
i2c_find_adapter_by_fwnode() and i2c_get_adapter_by_fwnode() for use
without CONFIG_I2C.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
This commit is contained in:
Sakari Ailus 2024-06-14 11:14:18 +03:00 committed by Wolfram Sang
parent 6ba59ff422
commit 1cbf347288
1 changed files with 22 additions and 2 deletions
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24
include/linux/i2c.h
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@ -960,8 +960,6 @@ int i2c_handle_smbus_host_notify(struct i2c_adapter *adap, unsigned short addr);
#define builtin_i2c_driver(__i2c_driver) \
builtin_driver(__i2c_driver, i2c_add_driver)
#endif /* I2C */
/* must call put_device() when done with returned i2c_client device */
struct i2c_client *i2c_find_device_by_fwnode(struct fwnode_handle *fwnode);
@ -971,6 +969,28 @@ struct i2c_adapter *i2c_find_adapter_by_fwnode(struct fwnode_handle *fwnode);
/* must call i2c_put_adapter() when done with returned i2c_adapter device */
struct i2c_adapter *i2c_get_adapter_by_fwnode(struct fwnode_handle *fwnode);
#else /* I2C */
static inline struct i2c_client *
i2c_find_device_by_fwnode(struct fwnode_handle *fwnode)
{
return NULL;
}
static inline struct i2c_adapter *
i2c_find_adapter_by_fwnode(struct fwnode_handle *fwnode)
{
return NULL;
}
static inline struct i2c_adapter *
i2c_get_adapter_by_fwnode(struct fwnode_handle *fwnode)
{
return NULL;
}
#endif /* !I2C */
#if IS_ENABLED(CONFIG_OF)
/* must call put_device() when done with returned i2c_client device */
static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)