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