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authorJean Delvare2007-05-01 23:26:28 +0200
committerJean Delvare2007-05-01 23:26:28 +0200
commitb31366f4394f7b1e8e1726ba049f294934db4495 (patch)
treebd9a676864adaac9026ed36ce7398d15418ea47b
parentfccb56e4d82132ac15359efc9e419371e4533437 (diff)
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>
-rw-r--r--drivers/i2c/busses/i2c-isa.c1
-rw-r--r--drivers/i2c/i2c-core.c14
-rw-r--r--include/linux/i2c.h1
3 files changed, 1 insertions, 15 deletions
diff --git a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c
index a2e75bc9178b..745830bb8e2b 100644
--- a/drivers/i2c/busses/i2c-isa.c
+++ b/drivers/i2c/busses/i2c-isa.c
@@ -139,7 +139,6 @@ static int __init i2c_isa_init(void)
isa_adapter.nr = ANY_I2C_ISA_BUS;
isa_adapter.dev.parent = &platform_bus;
sprintf(isa_adapter.dev.bus_id, "i2c-%d", isa_adapter.nr);
- isa_adapter.dev.driver = &i2c_adapter_driver;
isa_adapter.dev.release = &i2c_adapter_dev_release;
isa_adapter.dev.class = &i2c_adapter_class;
err = device_register(&isa_adapter.dev);
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 40a744d73e8c..8dca4848ad92 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -113,12 +113,6 @@ void i2c_adapter_dev_release(struct device *dev)
complete(&adap->dev_released);
}
-struct device_driver i2c_adapter_driver = {
- .owner = THIS_MODULE,
- .name = "i2c_adapter",
- .bus = &i2c_bus_type,
-};
-
/* ------------------------------------------------------------------------- */
/* I2C bus adapters -- one roots each I2C or SMBUS segment */
@@ -202,7 +196,6 @@ int i2c_add_adapter(struct i2c_adapter *adap)
"physical device\n", adap->name);
}
sprintf(adap->dev.bus_id, "i2c-%d", adap->nr);
- adap->dev.driver = &i2c_adapter_driver;
adap->dev.release = &i2c_adapter_dev_release;
adap->dev.class = &i2c_adapter_class;
res = device_register(&adap->dev);
@@ -577,16 +570,12 @@ static int __init i2c_init(void)
retval = bus_register(&i2c_bus_type);
if (retval)
return retval;
- retval = driver_register(&i2c_adapter_driver);
- if (retval)
- return retval;
return class_register(&i2c_adapter_class);
}
static void __exit i2c_exit(void)
{
class_unregister(&i2c_adapter_class);
- driver_unregister(&i2c_adapter_driver);
bus_unregister(&i2c_bus_type);
}
@@ -1174,9 +1163,8 @@ s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags,
}
-/* Next four are needed by i2c-isa */
+/* Next three are needed by i2c-isa */
EXPORT_SYMBOL_GPL(i2c_adapter_dev_release);
-EXPORT_SYMBOL_GPL(i2c_adapter_driver);
EXPORT_SYMBOL_GPL(i2c_adapter_class);
EXPORT_SYMBOL_GPL(i2c_bus_type);
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 7a59dc656657..47c2a1907372 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -38,7 +38,6 @@
/* --- For i2c-isa ---------------------------------------------------- */
extern void i2c_adapter_dev_release(struct device *dev);
-extern struct device_driver i2c_adapter_driver;
extern struct class i2c_adapter_class;
extern struct bus_type i2c_bus_type;