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i2c: move ACPI helpers into the core

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This follows what has already been done for the DeviceTree helpers. Move
the ACPI helpers from drivers/acpi/acpi_i2c.c to the I2C core and update
documentation accordingly.

This also solves a problem reported by Jerry Snitselaar that we can't build
the ACPI I2C helpers as a module.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Mika Westerberg 2013-08-21 17:28:23 +03:00 • committed by Wolfram Sang
parent 687b81d083
commit 55e71edb81
7 changed files with 94 additions and 129 deletions
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6
include/linux/i2c.h
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@ -564,10 +564,4 @@ static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node
}
#endif /* CONFIG_OF */
#if IS_ENABLED(CONFIG_ACPI_I2C)
extern void acpi_i2c_register_devices(struct i2c_adapter *adap);
#else
static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) {}
#endif
#endif /* _LINUX_I2C_H */