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i2c: rework kernel config I2C_ACPI

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Commit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI
config) adds a new kernel config I2C_ACPI and make I2C core built in
when the config is selected. This is wrong because distributions
etc generally compile I2C as a module and the commit broken that.
This patch is to rename I2C_ACPI to ACPI_I2C_OPREGION. New config
only controls ACPI I2C operation region code and depends on I2C=y.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[wsa: removed unrelated change for Kconfig]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Lan Tianyu 2014-08-15 13:38:59 +08:00 • committed by Wolfram Sang
commit 366047515c
4 changed files with 17 additions and 14 deletions
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12
include/linux/i2c.h
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@ -577,16 +577,20 @@ static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node
}
#endif /* CONFIG_OF */
#ifdef CONFIG_I2C_ACPI
int acpi_i2c_install_space_handler(struct i2c_adapter *adapter);
void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter);
#ifdef CONFIG_ACPI
void acpi_i2c_register_devices(struct i2c_adapter *adap);
#else
static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) { }
#endif /* CONFIG_ACPI */
#ifdef CONFIG_ACPI_I2C_OPREGION
int acpi_i2c_install_space_handler(struct i2c_adapter *adapter);
void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter);
#else
static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
{ }
static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
{ return 0; }
#endif
#endif /* CONFIG_ACPI_I2C_OPREGION */
#endif /* _LINUX_I2C_H */