GPIO_DATA_IN_OFF
return ochip->base + GPIO_DATA_IN_OFF;
regmap_read(mvchip->regs, GPIO_DATA_IN_OFF + mvchip->offset,
GPIO_DATA_IN_OFF + mvchip->offset, &data_in);
regmap_read(mvchip->regs, GPIO_DATA_IN_OFF + mvchip->offset, &data_in);
regmap_read(mvchip->regs, GPIO_DATA_IN_OFF + mvchip->offset, &data_in);