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i2c: i2c_adapter devices need no driver
Kill i2c_adapter_driver as it doesn't make sense and it prevents further i2c-core cleanups. i2c_adapter devices are virtual devices (ex-class devices) and as such they don't need a driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>
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parent
fccb56e4d8
commit
b31366f439
3 changed files with 1 additions and 15 deletions
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@ -139,7 +139,6 @@ static int __init i2c_isa_init(void)
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isa_adapter.nr = ANY_I2C_ISA_BUS;
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isa_adapter.dev.parent = &platform_bus;
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sprintf(isa_adapter.dev.bus_id, "i2c-%d", isa_adapter.nr);
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isa_adapter.dev.driver = &i2c_adapter_driver;
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isa_adapter.dev.release = &i2c_adapter_dev_release;
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isa_adapter.dev.class = &i2c_adapter_class;
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err = device_register(&isa_adapter.dev);
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@ -113,12 +113,6 @@ void i2c_adapter_dev_release(struct device *dev)
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complete(&adap->dev_released);
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}
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struct device_driver i2c_adapter_driver = {
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.owner = THIS_MODULE,
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.name = "i2c_adapter",
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.bus = &i2c_bus_type,
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};
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/* ------------------------------------------------------------------------- */
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/* I2C bus adapters -- one roots each I2C or SMBUS segment */
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@ -202,7 +196,6 @@ int i2c_add_adapter(struct i2c_adapter *adap)
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"physical device\n", adap->name);
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}
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sprintf(adap->dev.bus_id, "i2c-%d", adap->nr);
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adap->dev.driver = &i2c_adapter_driver;
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adap->dev.release = &i2c_adapter_dev_release;
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adap->dev.class = &i2c_adapter_class;
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res = device_register(&adap->dev);
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@ -575,9 +568,6 @@ static int __init i2c_init(void)
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int retval;
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retval = bus_register(&i2c_bus_type);
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if (retval)
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return retval;
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retval = driver_register(&i2c_adapter_driver);
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if (retval)
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return retval;
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return class_register(&i2c_adapter_class);
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@ -586,7 +576,6 @@ static int __init i2c_init(void)
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static void __exit i2c_exit(void)
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{
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class_unregister(&i2c_adapter_class);
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driver_unregister(&i2c_adapter_driver);
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bus_unregister(&i2c_bus_type);
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}
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@ -1174,9 +1163,8 @@ s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags,
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}
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/* Next four are needed by i2c-isa */
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/* Next three are needed by i2c-isa */
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EXPORT_SYMBOL_GPL(i2c_adapter_dev_release);
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EXPORT_SYMBOL_GPL(i2c_adapter_driver);
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EXPORT_SYMBOL_GPL(i2c_adapter_class);
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EXPORT_SYMBOL_GPL(i2c_bus_type);
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@ -38,7 +38,6 @@
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/* --- For i2c-isa ---------------------------------------------------- */
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extern void i2c_adapter_dev_release(struct device *dev);
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extern struct device_driver i2c_adapter_driver;
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extern struct class i2c_adapter_class;
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extern struct bus_type i2c_bus_type;
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