brcmstb_gpio_hwirq_to_offset
u32 mask = BIT(brcmstb_gpio_hwirq_to_offset(hwirq, bank));
u32 mask = BIT(brcmstb_gpio_hwirq_to_offset(d->hwirq, bank));
u32 mask = BIT(brcmstb_gpio_hwirq_to_offset(d->hwirq, bank));
u32 mask = BIT(brcmstb_gpio_hwirq_to_offset(d->hwirq, bank));