148 	struct lm75_unit *unitp;  in lm75_open()  local
158 	unitp = (struct lm75_unit *)  in lm75_open()
161 	if (unitp == NULL) {  in lm75_open()
169 	mutex_enter(&unitp->lm75_mutex);  in lm75_open()
172 		if (unitp->lm75_oflag != 0) {  in lm75_open()
175 			unitp->lm75_oflag = FEXCL;  in lm75_open()
178 		if (unitp->lm75_oflag == FEXCL) {  in lm75_open()
181 			unitp->lm75_oflag = FOPEN;  in lm75_open()
185 	mutex_exit(&unitp->lm75_mutex);  in lm75_open()
195 	struct lm75_unit *unitp;  in lm75_close()  local
204 	unitp = (struct lm75_unit *)  in lm75_close()
207 	if (unitp == NULL) {  in lm75_close()
211 	mutex_enter(&unitp->lm75_mutex);  in lm75_close()
213 	unitp->lm75_oflag = 0;  in lm75_close()
215 	mutex_exit(&unitp->lm75_mutex);  in lm75_close()
220 lm75_get16(intptr_t arg, int reg, struct lm75_unit *unitp, int mode)  in lm75_get16()  argument
227 	(void) i2c_transfer_alloc(unitp->lm75_hdl, &i2c_tran_pointer,  in lm75_get16()
231 		    "i2c_tran_pointer not allocated\n", unitp->lm75_name));  in lm75_get16()
238 	err = i2c_transfer(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_get16()
241 		    "i2c_transfer routine\n", unitp->lm75_name));  in lm75_get16()
242 		i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_get16()
247 	    unitp->lm75_name, i2c_tran_pointer->i2c_rbuf[0],  in lm75_get16()
265 		    "ddi_copyout routine\n", unitp->lm75_name));  in lm75_get16()
268 	i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_get16()
273 lm75_set16(intptr_t arg, int reg, struct lm75_unit *unitp, int mode)  in lm75_set16()  argument
282 		    "ddi_copyin routine\n", unitp->lm75_name));  in lm75_set16()
286 	(void) i2c_transfer_alloc(unitp->lm75_hdl, &i2c_tran_pointer,  in lm75_set16()
290 		    "i2c_tran_pointer not allocated\n", unitp->lm75_name));  in lm75_set16()
309 	err = i2c_transfer(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_set16()
310 	i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_set16()
320 	struct lm75_unit	*unitp;  in lm75_ioctl()  local
333 	unitp = (struct lm75_unit *)  in lm75_ioctl()
336 	if (unitp == NULL) {  in lm75_ioctl()
342 	mutex_enter(&unitp->lm75_mutex);  in lm75_ioctl()
346 		err = lm75_get16(arg, LM75_TEMPERATURE_REG, unitp, mode);  in lm75_ioctl()
350 		err = lm75_get16(arg, LM75_HYST_REG, unitp, mode);  in lm75_ioctl()
354 		err = lm75_set16(arg, LM75_HYST_REG, unitp, mode);  in lm75_ioctl()
358 		err = lm75_get16(arg, LM75_OVERTEMP_REG, unitp, mode);  in lm75_ioctl()
362 		err = lm75_set16(arg, LM75_OVERTEMP_REG, unitp, mode);  in lm75_ioctl()
366 		(void) i2c_transfer_alloc(unitp->lm75_hdl, &i2c_tran_pointer,  in lm75_ioctl()
371 			    unitp->lm75_name));  in lm75_ioctl()
378 		err = i2c_transfer(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_ioctl()
382 			    unitp->lm75_name));  in lm75_ioctl()
383 			i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_ioctl()
391 			    unitp->lm75_name));  in lm75_ioctl()
394 		i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_ioctl()
402 			    unitp->lm75_name));  in lm75_ioctl()
406 		(void) i2c_transfer_alloc(unitp->lm75_hdl, &i2c_tran_pointer,  in lm75_ioctl()
411 			    unitp->lm75_name));  in lm75_ioctl()
419 		err = i2c_transfer(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_ioctl()
420 		i2c_transfer_free(unitp->lm75_hdl, i2c_tran_pointer);  in lm75_ioctl()
425 		    unitp->lm75_name, cmd));  in lm75_ioctl()
429 	mutex_exit(&unitp->lm75_mutex);  in lm75_ioctl()
462 	struct lm75_unit *unitp;  in lm75_do_attach()  local
473 	unitp = ddi_get_soft_state(lm75soft_statep, instance);  in lm75_do_attach()
475 	if (unitp == NULL) {  in lm75_do_attach()
480 	(void) snprintf(unitp->lm75_name, sizeof (unitp->lm75_name),  in lm75_do_attach()
486 		    "%s\n", unitp->lm75_name, "lm75");  in lm75_do_attach()
492 	if (i2c_client_register(dip, &unitp->lm75_hdl) != I2C_SUCCESS) {  in lm75_do_attach()
499 	mutex_init(&unitp->lm75_mutex, NULL, MUTEX_DRIVER, NULL);  in lm75_do_attach()
523 	struct lm75_unit *unitp;  in lm75_do_detach()  local
528 	unitp = ddi_get_soft_state(lm75soft_statep, instance);  in lm75_do_detach()
530 	if (unitp == NULL) {  in lm75_do_detach()
535 	i2c_client_unregister(unitp->lm75_hdl);  in lm75_do_detach()
539 	mutex_destroy(&unitp->lm75_mutex);  in lm75_do_detach()