pin_request
.pin_request = scmi_pinctrl_pin_request,
return pinctrl_ops->pin_request(pmx->ph, offset);
ret = pin_request(pctldev, pin, owner, range);
ret = pin_request(pctldev, pins[i], setting->dev_name, NULL);
int (*pin_request)(const struct scmi_protocol_handle *ph, u32 pin);