81 	int ret = 0, i;  in rpu_validate_addr()  local
90 		ret = validate_addr_blk(start_addr, end_addr, i, hl_flag, &selected_blk);  in rpu_validate_addr()
91 		if (!ret) {  in rpu_validate_addr()
96 	if (ret) {  in rpu_validate_addr()
113 	int ret;  in rpu_irq_config()  local
120 	ret = gpio_pin_configure_dt(&host_irq_spec, GPIO_INPUT);  in rpu_irq_config()
121 	if (ret) {  in rpu_irq_config()
126 	ret = gpio_pin_interrupt_configure_dt(&host_irq_spec,  in rpu_irq_config()
128 	if (ret) {  in rpu_irq_config()
138 	ret = gpio_add_callback(host_irq_spec.port, irq_callback_data);  in rpu_irq_config()
139 	if (ret) {  in rpu_irq_config()
148 	return ret;  in rpu_irq_config()
153 	int ret;  in rpu_irq_remove()  local
155 	ret = gpio_pin_configure_dt(&host_irq_spec, GPIO_DISCONNECTED);  in rpu_irq_remove()
156 	if (ret) {  in rpu_irq_remove()
161 	ret = gpio_remove_callback(host_irq_spec.port, irq_callback_data);  in rpu_irq_remove()
162 	if (ret) {  in rpu_irq_remove()
169 	return ret;  in rpu_irq_remove()
174 	int ret;  in rpu_gpio_config()  local
186 	ret = gpio_pin_configure_dt(&bucken_spec, (GPIO_OUTPUT | NRF_GPIO_DRIVE_H0H1));  in rpu_gpio_config()
187 	if (ret) {  in rpu_gpio_config()
189 		return ret;  in rpu_gpio_config()
192 	ret = gpio_pin_configure_dt(&iovdd_ctrl_spec, GPIO_OUTPUT);  in rpu_gpio_config()
193 	if (ret) {  in rpu_gpio_config()
196 		return ret;  in rpu_gpio_config()
206 	int ret;  in rpu_gpio_remove()  local
208 	ret = gpio_pin_configure_dt(&bucken_spec, GPIO_DISCONNECTED);  in rpu_gpio_remove()
209 	if (ret) {  in rpu_gpio_remove()
211 		return ret;  in rpu_gpio_remove()
214 	ret = gpio_pin_configure_dt(&iovdd_ctrl_spec, GPIO_DISCONNECTED);  in rpu_gpio_remove()
215 	if (ret) {  in rpu_gpio_remove()
217 		return ret;  in rpu_gpio_remove()
221 	return ret;  in rpu_gpio_remove()
226 	int ret;  in rpu_pwron()  local
228 	ret = gpio_pin_set_dt(&bucken_spec, 1);  in rpu_pwron()
229 	if (ret) {  in rpu_pwron()
231 		return ret;  in rpu_pwron()
236 	ret = gpio_pin_set_dt(&iovdd_ctrl_spec, 1);  in rpu_pwron()
237 	if (ret) {  in rpu_pwron()
240 		return ret;  in rpu_pwron()
256 	return ret;  in rpu_pwron()
261 	int ret;  in rpu_pwroff()  local
263 	ret = gpio_pin_set_dt(&bucken_spec, 0); /* BUCKEN = 0 */  in rpu_pwroff()
264 	if (ret) {  in rpu_pwroff()
266 		return ret;  in rpu_pwroff()
269 	ret = gpio_pin_set_dt(&iovdd_ctrl_spec, 0); /* IOVDD CNTRL = 0 */  in rpu_pwroff()
270 	if (ret) {  in rpu_pwroff()
272 		return ret;  in rpu_pwroff()
275 	return ret;  in rpu_pwroff()
315 	int ret;  in rpu_wakeup()  local
317 	ret = rpu_wrsr2(1);  in rpu_wakeup()
318 	if (ret) {  in rpu_wakeup()
320 		return ret;  in rpu_wakeup()
323 	ret = rpu_rdsr2();  in rpu_wakeup()
324 	if (ret < 0) {  in rpu_wakeup()
326 		return ret;  in rpu_wakeup()
329 	ret = rpu_rdsr1();  in rpu_wakeup()
330 	if (ret < 0) {  in rpu_wakeup()
332 		return ret;  in rpu_wakeup()
345 	int ret;  in rpu_get_sleep_stats()  local
347 	ret = rpu_wakeup();  in rpu_get_sleep_stats()
348 	if (ret) {  in rpu_get_sleep_stats()
353 	ret = rpu_read(addr, buff, wrd_len * 4);  in rpu_get_sleep_stats()
354 	if (ret) {  in rpu_get_sleep_stats()
359 	ret = rpu_sleep();  in rpu_get_sleep_stats()
360 	if (ret) {  in rpu_get_sleep_stats()
368 	int ret;  in rpu_wrsr2()  local
371 	ret = qspi_cmd_wakeup_rpu(&qspi_perip, data);  in rpu_wrsr2()
373 	ret = spim_cmd_rpu_wakeup_fn(data);  in rpu_wrsr2()
377 	return ret;  in rpu_wrsr2()
413 	int ret;  in rpu_validate_comms()  local
416 	ret = rpu_read(0x0005C, &rpu_test, 4);  in rpu_validate_comms()
417 	if (ret) {  in rpu_validate_comms()
419 		return ret;  in rpu_validate_comms()
435 	int ret;  in rpu_init()  local
440 	ret = rpu_gpio_config();  in rpu_init()
441 	if (ret) {  in rpu_init()
446 	ret = sr_gpio_config();  in rpu_init()
447 	if (ret) {  in rpu_init()
451 	ret = rpu_pwron();  in rpu_init()
452 	if (ret) {  in rpu_init()
469 	return ret;  in rpu_init()
474 	int ret;  in rpu_enable()  local
476 	ret = rpu_wakeup();  in rpu_enable()
477 	if (ret) {  in rpu_enable()
481 	ret = rpu_clks_on();  in rpu_enable()
482 	if (ret) {  in rpu_enable()
491 	ret = rpu_validate_comms();  in rpu_enable()
492 	if (ret) {  in rpu_enable()
499 	return ret;  in rpu_enable()
504 	int ret;  in rpu_disable()  local
506 	ret = rpu_pwroff();  in rpu_disable()
507 	if (ret) {  in rpu_disable()
510 	ret = rpu_gpio_remove();  in rpu_disable()
511 	if (ret) {  in rpu_disable()
516 	ret = sr_gpio_remove();  in rpu_disable()
517 	if (ret) {  in rpu_disable()
525 	return ret;  in rpu_disable()