145 	int error;  in bcm_kp_start()  local
148 		error = clk_prepare_enable(kp->clk);  in bcm_kp_start()
149 		if (error)  in bcm_kp_start()
150 			return error;  in bcm_kp_start()
208 	int error;  in bcm_kp_matrix_key_parse_dt()  local
216 	error = matrix_keypad_parse_of_params(dev, &kp->n_rows, &kp->n_cols);  in bcm_kp_matrix_key_parse_dt()
217 	if (error) {  in bcm_kp_matrix_key_parse_dt()
219 		return error;  in bcm_kp_matrix_key_parse_dt()
322 	int error;  in bcm_kp_probe()  local
357 	error = bcm_kp_matrix_key_parse_dt(kp);  in bcm_kp_probe()
358 	if (error)  in bcm_kp_probe()
359 		return error;  in bcm_kp_probe()
361 	error = matrix_keypad_build_keymap(NULL, NULL,  in bcm_kp_probe()
364 	if (error) {  in bcm_kp_probe()
366 		return error;  in bcm_kp_probe()
383 		error = PTR_ERR(kp->clk);  in bcm_kp_probe()
384 		if (error != -ENOENT) {  in bcm_kp_probe()
385 			if (error != -EPROBE_DEFER)  in bcm_kp_probe()
387 			return error;  in bcm_kp_probe()
396 		error = of_property_read_u32(pdev->dev.of_node,  in bcm_kp_probe()
398 		if (error < 0)  in bcm_kp_probe()
405 		error = clk_set_rate(kp->clk, actual_rate);  in bcm_kp_probe()
406 		if (error)  in bcm_kp_probe()
407 			return error;  in bcm_kp_probe()
409 		error = clk_prepare_enable(kp->clk);  in bcm_kp_probe()
410 		if (error)  in bcm_kp_probe()
411 			return error;  in bcm_kp_probe()
423 	error = devm_request_threaded_irq(&pdev->dev, kp->irq,  in bcm_kp_probe()
426 	if (error) {  in bcm_kp_probe()
428 		return error;  in bcm_kp_probe()
431 	error = input_register_device(input_dev);  in bcm_kp_probe()
432 	if (error) {  in bcm_kp_probe()
434 		return error;  in bcm_kp_probe()