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[PATCH] i2c: Drop i2c_driver.flags, 2 of 3

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Just about every i2c chip driver sets the I2C_DF_NOTIFY flag, so we
can simply make it the default and drop the flag. If any driver really
doesn't want to be notified when i2c adapters are added, that driver
can simply omit to set .attach_adapter. This approach is also more
robust as it prevents accidental NULL pointer dereferences.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare 2005-11-26 20:28:06 +01:00 • committed by Greg Kroah-Hartman
parent ff179c8cf5
commit 8a9947552d
91 changed files with 5 additions and 95 deletions
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include/linux/i2c.h
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@ -251,7 +251,6 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
}
/*flags for the driver struct: */
#define I2C_DF_NOTIFY 0x01 /* notify on bus (de/a)ttaches */
/*flags for the client struct: */
#define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */