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linux
i2c: Driver IDs are optional
Document the fact that I2C driver IDs are optional.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
authored by Jean Delvare and committed by Jean Delvare f9dd0194 96acafe0
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include/linux/i2c-id.h
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include/linux/i2c-id.h
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#ifndef LINUX_I2C_ID_H
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#define LINUX_I2C_ID_H
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/* Please note that I2C driver IDs are optional. They are only needed if a
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legacy chip driver needs to identify a bus or a bus driver needs to
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identify a legacy client. If you don't need them, just don't set them. */
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/*
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* ---- Driver types -----------------------------------------------------
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*/