ssb_chipco_gpio_control
ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
EXPORT_SYMBOL(ssb_chipco_gpio_control);
ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0);
res = ssb_chipco_gpio_control(&bus->chipco, mask, value);
u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value);