IPROC_GPIO_CCA_INT_EDGE
event_pol = readl_relaxed(chip->base + IPROC_GPIO_CCA_INT_EDGE);
writel_relaxed(event_pol, chip->base + IPROC_GPIO_CCA_INT_EDGE);
event_pol = readl_relaxed(chip->base + IPROC_GPIO_CCA_INT_EDGE);
writel_relaxed(event_pol, chip->base + IPROC_GPIO_CCA_INT_EDGE);