38 static int mantis_i2c_read(struct mantis_pci *mantis, const struct i2c_msg *msg)  in mantis_i2c_read()  argument
84 static int mantis_i2c_write(struct mantis_pci *mantis, const struct i2c_msg *msg)  in mantis_i2c_write()  argument
132 	struct mantis_pci *mantis;  in mantis_i2c_xfer()  local
135 	mantis = i2c_get_adapdata(adapter);  in mantis_i2c_xfer()
136 	BUG_ON(!mantis);  in mantis_i2c_xfer()
137 	config = mantis->hwconfig;  in mantis_i2c_xfer()
141 	mutex_lock(&mantis->i2c_lock);  in mantis_i2c_xfer()
190 				ret = mantis_i2c_read(mantis, &msgs[i]);  in mantis_i2c_xfer()
192 				ret = mantis_i2c_write(mantis, &msgs[i]);  in mantis_i2c_xfer()
201 	mutex_unlock(&mantis->i2c_lock);  in mantis_i2c_xfer()
206 	mutex_unlock(&mantis->i2c_lock);  in mantis_i2c_xfer()
220 int mantis_i2c_init(struct mantis_pci *mantis)  in mantis_i2c_init()  argument
223 	struct i2c_adapter *i2c_adapter = &mantis->adapter;  in mantis_i2c_init()
224 	struct pci_dev *pdev		= mantis->pdev;  in mantis_i2c_init()
226 	init_waitqueue_head(&mantis->i2c_wq);  in mantis_i2c_init()
227 	mutex_init(&mantis->i2c_lock);  in mantis_i2c_init()
229 	i2c_set_adapdata(i2c_adapter, mantis);  in mantis_i2c_init()
238 	mantis->i2c_rc		= i2c_add_adapter(i2c_adapter);  in mantis_i2c_init()
239 	if (mantis->i2c_rc < 0)  in mantis_i2c_init()
240 		return mantis->i2c_rc;  in mantis_i2c_init()
248 	mantis_mask_ints(mantis, MANTIS_INT_I2CDONE);  in mantis_i2c_init()
254 int mantis_i2c_exit(struct mantis_pci *mantis)  in mantis_i2c_exit()  argument
257 	mantis_mask_ints(mantis, MANTIS_INT_I2CDONE);  in mantis_i2c_exit()
260 	i2c_del_adapter(&mantis->adapter);  in mantis_i2c_exit()