Messages in this thread Patch in this message | | | Subject | Re: [PATCH] i2c driver changes for 2.5.65 | From | Greg KH <> | Date | Thu, 20 Mar 2003 14:32 -0800 |
| |
ChangeSet 1.1143.1.16, 2003/03/20 12:07:55-08:00, greg@kroah.com
i2c: add initial driver model support for i2c drivers.
drivers/i2c/i2c-core.c | 22 ++++++++++++++++++++++ include/linux/i2c.h | 3 +++ 2 files changed, 25 insertions(+)
diff -Nru a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c --- a/drivers/i2c/i2c-core.c Thu Mar 20 12:52:43 2003 +++ b/drivers/i2c/i2c-core.c Thu Mar 20 12:52:43 2003 @@ -53,6 +53,16 @@ #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 @@ 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 */ @@ -235,6 +255,8 @@ res = -ENODEV; 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 diff -Nru a/include/linux/i2c.h b/include/linux/i2c.h --- a/include/linux/i2c.h Thu Mar 20 12:52:43 2003 +++ b/include/linux/i2c.h Thu Mar 20 12:52:43 2003 @@ -143,7 +143,10 @@ * 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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |