INTC0_INTMX_IER
ier = readl(intc0->base + INTC0_INTMX_IER + bank * INTC0_INTMX_BANK_SIZE) & ~BIT(bit);
writel(ier, intc0->base + INTC0_INTMX_IER + bank * INTC0_INTMX_BANK_SIZE);
ier = readl(intc0->base + INTC0_INTMX_IER + bank * INTC0_INTMX_BANK_SIZE) | BIT(bit);
writel(ier, intc0->base + INTC0_INTMX_IER + bank * INTC0_INTMX_BANK_SIZE);
writel(0, intc0->base + INTC0_INTMX_IER + (INTC0_INTMX_BANK_SIZE * i));