TIMER_IRQSTAT_REG
reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
stat = bcm_timer_readl(TIMER_IRQSTAT_REG);
bcm_timer_writel(stat, TIMER_IRQSTAT_REG);
reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
bcm_timer_writel(reg, TIMER_IRQSTAT_REG);