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Kirill Smelkov
linux
Commits
64007dd6
Commit
64007dd6
authored
21 years ago
by
Greg Kroah-Hartman
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i2c: add initial driver model support for i2c drivers.
parent
89563a9e
Changes
2
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2 changed files
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25 additions
and
0 deletions
+25
-0
drivers/i2c/i2c-core.c
drivers/i2c/i2c-core.c
+22
-0
include/linux/i2c.h
include/linux/i2c.h
+3
-0
No files found.
drivers/i2c/i2c-core.c
View file @
64007dd6
...
...
@@ -53,6 +53,16 @@ static void i2cproc_remove(int bus);
#endif
/* CONFIG_PROC_FS */
int
i2c_device_probe
(
struct
device
*
dev
)
{
return
-
ENODEV
;
}
int
i2c_device_remove
(
struct
device
*
dev
)
{
return
0
;
}
/* ---------------------------------------------------
* registering functions
* ---------------------------------------------------
...
...
@@ -204,6 +214,16 @@ int i2c_add_driver(struct i2c_driver *driver)
drivers
[
i
]
=
driver
;
DEB
(
printk
(
KERN_DEBUG
"i2c-core.o: driver %s registered.
\n
"
,
driver
->
name
));
/* add the driver to the list of i2c drivers in the driver core */
driver
->
driver
.
name
=
driver
->
name
;
driver
->
driver
.
bus
=
&
i2c_bus_type
;
driver
->
driver
.
probe
=
i2c_device_probe
;
driver
->
driver
.
remove
=
i2c_device_remove
;
res
=
driver_register
(
&
driver
->
driver
);
if
(
res
)
goto
out_unlock
;
/* now look for instances of driver on our adapters
*/
...
...
@@ -236,6 +256,8 @@ int i2c_del_driver(struct i2c_driver *driver)
goto
out_unlock
;
}
driver_unregister
(
&
driver
->
driver
);
/* Have a look at each adapter, if clients of this driver are still
* attached. If so, detach them to be able to kill the driver
* afterwards.
...
...
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include/linux/i2c.h
View file @
64007dd6
...
...
@@ -143,7 +143,10 @@ struct i2c_driver {
* with the device.
*/
int
(
*
command
)(
struct
i2c_client
*
client
,
unsigned
int
cmd
,
void
*
arg
);
struct
device_driver
driver
;
};
#define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
extern
struct
bus_type
i2c_bus_type
;
...
...
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