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| author | Phil Reid <preid@electromag.com.au> | 2017-08-24 17:31:03 +0800 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-10-28 23:42:47 +0200 |
| commit | 69d17246ab255dda8e71c8d65396b4aa6121b7ad (patch) | |
| tree | 9ed40351baed0773b7152f1b69996a454ef3b7c3 /include/linux/i2c-smbus.h | |
| parent | 3c0a60bee1d157d4ed9ae6a9727d508158d002c7 (diff) | |
| download | lwn-69d17246ab255dda8e71c8d65396b4aa6121b7ad.tar.gz lwn-69d17246ab255dda8e71c8d65396b4aa6121b7ad.zip | |
i2c: i2c-smbus: add of_i2c_setup_smbus_alert
This commit adds of_i2c_setup_smbus_alert which allows the smbalert
driver to be attached to an i2c adapter via the device tree.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'include/linux/i2c-smbus.h')
| -rw-r--r-- | include/linux/i2c-smbus.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/i2c-smbus.h b/include/linux/i2c-smbus.h index 19efbd14e812..fb0e040b1abb 100644 --- a/include/linux/i2c-smbus.h +++ b/include/linux/i2c-smbus.h @@ -49,4 +49,13 @@ struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter, struct i2c_smbus_alert_setup *setup); int i2c_handle_smbus_alert(struct i2c_client *ara); +#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_OF) +int of_i2c_setup_smbus_alert(struct i2c_adapter *adap); +#else +static inline int of_i2c_setup_smbus_alert(struct i2c_adapter *adap) +{ + return 0; +} +#endif + #endif /* _LINUX_I2C_SMBUS_H */ |