diff options
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r-- | drivers/i2c/i2c-core.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 21fe1406c8b..40a744d73e8 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c | |||
@@ -123,28 +123,9 @@ struct device_driver i2c_adapter_driver = { | |||
123 | 123 | ||
124 | /* I2C bus adapters -- one roots each I2C or SMBUS segment */ | 124 | /* I2C bus adapters -- one roots each I2C or SMBUS segment */ |
125 | 125 | ||
126 | static void i2c_adapter_class_dev_release(struct class_device *dev) | ||
127 | { | ||
128 | struct i2c_adapter *adap = class_dev_to_i2c_adapter(dev); | ||
129 | complete(&adap->class_dev_released); | ||
130 | } | ||
131 | |||
132 | static ssize_t i2c_adapter_show_name(struct class_device *cdev, char *buf) | ||
133 | { | ||
134 | struct i2c_adapter *adap = class_dev_to_i2c_adapter(cdev); | ||
135 | return sprintf(buf, "%s\n", adap->name); | ||
136 | } | ||
137 | |||
138 | static struct class_device_attribute i2c_adapter_attrs[] = { | ||
139 | __ATTR(name, S_IRUGO, i2c_adapter_show_name, NULL), | ||
140 | { }, | ||
141 | }; | ||
142 | |||
143 | struct class i2c_adapter_class = { | 126 | struct class i2c_adapter_class = { |
144 | .owner = THIS_MODULE, | 127 | .owner = THIS_MODULE, |
145 | .name = "i2c-adapter", | 128 | .name = "i2c-adapter", |
146 | .class_dev_attrs = i2c_adapter_attrs, | ||
147 | .release = &i2c_adapter_class_dev_release, | ||
148 | }; | 129 | }; |
149 | 130 | ||
150 | static ssize_t show_adapter_name(struct device *dev, struct device_attribute *attr, char *buf) | 131 | static ssize_t show_adapter_name(struct device *dev, struct device_attribute *attr, char *buf) |
@@ -223,6 +204,7 @@ int i2c_add_adapter(struct i2c_adapter *adap) | |||
223 | sprintf(adap->dev.bus_id, "i2c-%d", adap->nr); | 204 | sprintf(adap->dev.bus_id, "i2c-%d", adap->nr); |
224 | adap->dev.driver = &i2c_adapter_driver; | 205 | adap->dev.driver = &i2c_adapter_driver; |
225 | adap->dev.release = &i2c_adapter_dev_release; | 206 | adap->dev.release = &i2c_adapter_dev_release; |
207 | adap->dev.class = &i2c_adapter_class; | ||
226 | res = device_register(&adap->dev); | 208 | res = device_register(&adap->dev); |
227 | if (res) | 209 | if (res) |
228 | goto out_list; | 210 | goto out_list; |
@@ -230,15 +212,6 @@ int i2c_add_adapter(struct i2c_adapter *adap) | |||
230 | if (res) | 212 | if (res) |
231 | goto out_unregister; | 213 | goto out_unregister; |
232 | 214 | ||
233 | /* Add this adapter to the i2c_adapter class */ | ||
234 | memset(&adap->class_dev, 0x00, sizeof(struct class_device)); | ||
235 | adap->class_dev.dev = &adap->dev; | ||
236 | adap->class_dev.class = &i2c_adapter_class; | ||
237 | strlcpy(adap->class_dev.class_id, adap->dev.bus_id, BUS_ID_SIZE); | ||
238 | res = class_device_register(&adap->class_dev); | ||
239 | if (res) | ||
240 | goto out_remove_name; | ||
241 | |||
242 | dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name); | 215 | dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name); |
243 | 216 | ||
244 | /* inform drivers of new adapters */ | 217 | /* inform drivers of new adapters */ |
@@ -253,8 +226,6 @@ out_unlock: | |||
253 | mutex_unlock(&core_lists); | 226 | mutex_unlock(&core_lists); |
254 | return res; | 227 | return res; |
255 | 228 | ||
256 | out_remove_name: | ||
257 | device_remove_file(&adap->dev, &dev_attr_name); | ||
258 | out_unregister: | 229 | out_unregister: |
259 | init_completion(&adap->dev_released); /* Needed? */ | 230 | init_completion(&adap->dev_released); /* Needed? */ |
260 | device_unregister(&adap->dev); | 231 | device_unregister(&adap->dev); |
@@ -314,15 +285,12 @@ int i2c_del_adapter(struct i2c_adapter *adap) | |||
314 | 285 | ||
315 | /* clean up the sysfs representation */ | 286 | /* clean up the sysfs representation */ |
316 | init_completion(&adap->dev_released); | 287 | init_completion(&adap->dev_released); |
317 | init_completion(&adap->class_dev_released); | ||
318 | class_device_unregister(&adap->class_dev); | ||
319 | device_remove_file(&adap->dev, &dev_attr_name); | 288 | device_remove_file(&adap->dev, &dev_attr_name); |
320 | device_unregister(&adap->dev); | 289 | device_unregister(&adap->dev); |
321 | list_del(&adap->list); | 290 | list_del(&adap->list); |
322 | 291 | ||
323 | /* wait for sysfs to drop all references */ | 292 | /* wait for sysfs to drop all references */ |
324 | wait_for_completion(&adap->dev_released); | 293 | wait_for_completion(&adap->dev_released); |
325 | wait_for_completion(&adap->class_dev_released); | ||
326 | 294 | ||
327 | /* free dynamically allocated bus id */ | 295 | /* free dynamically allocated bus id */ |
328 | idr_remove(&i2c_adapter_idr, adap->nr); | 296 | idr_remove(&i2c_adapter_idr, adap->nr); |