AR71XX_RESET_REG_MISC_INT_STATUS
__raw_writel(0, base + AR71XX_RESET_REG_MISC_INT_STATUS);
pending = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS) &
t = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS);
__raw_writel(t & ~BIT(irq), base + AR71XX_RESET_REG_MISC_INT_STATUS);
__raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS);